/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 X --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 19:49:23,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 19:49:23,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 19:49:23,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-04 19:49:23,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 19:49:23,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 19:49:23,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 19:49:23,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 19:49:23,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 19:49:23,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 19:49:23,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 19:49:23,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 19:49:23,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 19:49:23,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 19:49:23,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 19:49:23,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 19:49:23,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-04 19:49:23,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 19:49:23,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 19:49:23,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 19:49:23,987 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 19:49:24,022 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 19:49:24,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 19:49:24,023 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 19:49:24,023 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 19:49:24,024 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 19:49:24,024 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 19:49:24,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 19:49:24,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 19:49:24,025 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 19:49:24,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 19:49:24,026 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 19:49:24,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 19:49:24,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 19:49:24,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 19:49:24,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 19:49:24,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 19:49:24,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 19:49:24,027 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 19:49:24,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 19:49:24,027 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 19:49:24,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 19:49:24,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 19:49:24,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 19:49:24,028 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 19:49:24,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 19:49:24,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 19:49:24,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 19:49:24,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 19:49:24,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 19:49:24,029 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 19:49:24,029 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 19:49:24,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 19:49:24,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 19:49:24,030 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 19:49:24,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 19:49:24,030 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 19:49:24,030 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 19:49:24,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 19:49:24,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 19:49:24,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 19:49:24,284 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 19:49:24,290 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 19:49:24,291 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2023-05-04 19:49:24,342 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1075eb1d9/3d939b35ff4d4d939f3b2cb4baf0d437/FLAG5f6523a38 [2023-05-04 19:49:24,857 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 19:49:24,857 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2023-05-04 19:49:24,878 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1075eb1d9/3d939b35ff4d4d939f3b2cb4baf0d437/FLAG5f6523a38 [2023-05-04 19:49:25,319 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1075eb1d9/3d939b35ff4d4d939f3b2cb4baf0d437 [2023-05-04 19:49:25,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 19:49:25,322 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 19:49:25,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 19:49:25,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 19:49:25,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 19:49:25,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:49:25" (1/1) ... [2023-05-04 19:49:25,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@501c4caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:25, skipping insertion in model container [2023-05-04 19:49:25,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:49:25" (1/1) ... [2023-05-04 19:49:25,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 19:49:25,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 19:49:25,929 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-complex/elimination_backoff_stack.i[63494,63507] [2023-05-04 19:49:25,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 19:49:25,958 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 19:49:26,019 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-complex/elimination_backoff_stack.i[63494,63507] [2023-05-04 19:49:26,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 19:49:26,127 INFO L208 MainTranslator]: Completed translation [2023-05-04 19:49:26,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:26 WrapperNode [2023-05-04 19:49:26,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 19:49:26,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 19:49:26,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 19:49:26,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 19:49:26,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:26" (1/1) ... [2023-05-04 19:49:26,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:26" (1/1) ... [2023-05-04 19:49:26,305 INFO L138 Inliner]: procedures = 397, calls = 214, calls flagged for inlining = 52, calls inlined = 211, statements flattened = 3713 [2023-05-04 19:49:26,306 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 19:49:26,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 19:49:26,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 19:49:26,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 19:49:26,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:26" (1/1) ... [2023-05-04 19:49:26,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:26" (1/1) ... [2023-05-04 19:49:26,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:26" (1/1) ... [2023-05-04 19:49:26,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:26" (1/1) ... [2023-05-04 19:49:26,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:26" (1/1) ... [2023-05-04 19:49:26,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:26" (1/1) ... [2023-05-04 19:49:26,470 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:26" (1/1) ... [2023-05-04 19:49:26,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:26" (1/1) ... [2023-05-04 19:49:26,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 19:49:26,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 19:49:26,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 19:49:26,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 19:49:26,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:26" (1/1) ... [2023-05-04 19:49:26,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 19:49:26,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:49:26,544 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 19:49:26,568 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 19:49:26,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 19:49:26,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 19:49:26,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 19:49:26,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 19:49:26,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 19:49:26,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-05-04 19:49:26,594 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-05-04 19:49:26,594 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-05-04 19:49:26,594 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-05-04 19:49:26,594 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-05-04 19:49:26,594 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-05-04 19:49:26,594 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-05-04 19:49:26,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 19:49:26,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 19:49:26,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 19:49:26,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-05-04 19:49:26,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-05-04 19:49:26,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 19:49:26,595 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-05-04 19:49:26,595 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-05-04 19:49:26,595 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-05-04 19:49:26,595 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-05-04 19:49:26,595 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-05-04 19:49:26,595 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-05-04 19:49:26,595 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-05-04 19:49:26,596 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-05-04 19:49:26,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 19:49:26,599 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 19:49:27,049 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 19:49:27,054 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 19:49:29,966 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 19:49:32,412 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 19:49:32,412 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-04 19:49:32,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:49:32 BoogieIcfgContainer [2023-05-04 19:49:32,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 19:49:32,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 19:49:32,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 19:49:32,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 19:49:32,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 07:49:25" (1/3) ... [2023-05-04 19:49:32,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@598a7c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:49:32, skipping insertion in model container [2023-05-04 19:49:32,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:26" (2/3) ... [2023-05-04 19:49:32,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@598a7c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:49:32, skipping insertion in model container [2023-05-04 19:49:32,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:49:32" (3/3) ... [2023-05-04 19:49:32,426 INFO L112 eAbstractionObserver]: Analyzing ICFG elimination_backoff_stack.i [2023-05-04 19:49:32,437 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 19:49:32,446 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 19:49:32,446 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-05-04 19:49:32,446 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 19:49:33,287 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-04 19:49:33,361 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 19:49:33,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 19:49:33,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:49:33,364 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 19:49:33,365 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 19:49:33,392 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 19:49:33,425 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == instrPop3Thread1of1ForFork6 ======== [2023-05-04 19:49:33,430 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;@4ef9a3a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 19:49:33,430 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-04 19:51:08,176 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 19:51:08,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:51:08,182 INFO L85 PathProgramCache]: Analyzing trace with hash 695517848, now seen corresponding path program 1 times [2023-05-04 19:51:08,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:51:08,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258713698] [2023-05-04 19:51:08,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:51:08,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:51:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:51:09,017 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 19:51:09,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:51:09,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258713698] [2023-05-04 19:51:09,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258713698] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:51:09,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:51:09,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 19:51:09,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6353382] [2023-05-04 19:51:09,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:51:09,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 19:51:09,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:51:09,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 19:51:09,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 19:51:09,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:51:09,056 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:51:09,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 64.25) internal successors, (257), 4 states have internal predecessors, (257), 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 19:51:09,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:51:09,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 19:51:09,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 19:51:09,250 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 19:51:09,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:51:09,251 INFO L85 PathProgramCache]: Analyzing trace with hash 591297637, now seen corresponding path program 1 times [2023-05-04 19:51:09,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:51:09,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732706338] [2023-05-04 19:51:09,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:51:09,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:51:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:51:09,643 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 19:51:09,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:51:09,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732706338] [2023-05-04 19:51:09,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732706338] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:51:09,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:51:09,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 19:51:09,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584151839] [2023-05-04 19:51:09,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:51:09,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 19:51:09,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:51:09,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 19:51:09,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 19:51:09,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:51:09,649 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:51:09,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.75) internal successors, (251), 4 states have internal predecessors, (251), 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 19:51:09,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 19:51:09,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-05-04 20:03:40,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 20:03:40,284 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2023-05-04 20:03:40,286 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-05-04 20:03:40,303 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2023-05-04 20:03:40,305 INFO L307 ceAbstractionStarter]: Result for error location instrPop3Thread1of1ForFork6 was TIMEOUT (1/8) [2023-05-04 20:03:40,306 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 20:03:40,307 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 20:03:40,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 08:03:40 BasicIcfg [2023-05-04 20:03:40,309 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 20:03:40,310 INFO L158 Benchmark]: Toolchain (without parser) took 854987.54ms. Allocated memory was 201.3MB in the beginning and 825.2MB in the end (delta: 623.9MB). Free memory was 165.4MB in the beginning and 311.7MB in the end (delta: -146.3MB). Peak memory consumption was 919.8MB. Max. memory is 8.0GB. [2023-05-04 20:03:40,310 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 201.3MB. Free memory is still 156.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 20:03:40,311 INFO L158 Benchmark]: CACSL2BoogieTranslator took 803.17ms. Allocated memory was 201.3MB in the beginning and 305.1MB in the end (delta: 103.8MB). Free memory was 165.2MB in the beginning and 237.1MB in the end (delta: -71.9MB). Peak memory consumption was 34.2MB. Max. memory is 8.0GB. [2023-05-04 20:03:40,311 INFO L158 Benchmark]: Boogie Procedure Inliner took 176.62ms. Allocated memory is still 305.1MB. Free memory was 237.1MB in the beginning and 218.7MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-05-04 20:03:40,312 INFO L158 Benchmark]: Boogie Preprocessor took 207.78ms. Allocated memory is still 305.1MB. Free memory was 218.7MB in the beginning and 256.7MB in the end (delta: -38.0MB). Peak memory consumption was 17.3MB. Max. memory is 8.0GB. [2023-05-04 20:03:40,312 INFO L158 Benchmark]: RCFGBuilder took 5902.23ms. Allocated memory was 305.1MB in the beginning and 459.3MB in the end (delta: 154.1MB). Free memory was 256.7MB in the beginning and 227.6MB in the end (delta: 29.1MB). Peak memory consumption was 278.2MB. Max. memory is 8.0GB. [2023-05-04 20:03:40,313 INFO L158 Benchmark]: TraceAbstraction took 847889.47ms. Allocated memory was 459.3MB in the beginning and 825.2MB in the end (delta: 366.0MB). Free memory was 226.5MB in the beginning and 311.7MB in the end (delta: -85.2MB). Peak memory consumption was 723.2MB. Max. memory is 8.0GB. [2023-05-04 20:03:40,315 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 20:03:40,315 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 20:03:40,315 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 201.3MB. Free memory is still 156.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 803.17ms. Allocated memory was 201.3MB in the beginning and 305.1MB in the end (delta: 103.8MB). Free memory was 165.2MB in the beginning and 237.1MB in the end (delta: -71.9MB). Peak memory consumption was 34.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 176.62ms. Allocated memory is still 305.1MB. Free memory was 237.1MB in the beginning and 218.7MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 207.78ms. Allocated memory is still 305.1MB. Free memory was 218.7MB in the beginning and 256.7MB in the end (delta: -38.0MB). Peak memory consumption was 17.3MB. Max. memory is 8.0GB. * RCFGBuilder took 5902.23ms. Allocated memory was 305.1MB in the beginning and 459.3MB in the end (delta: 154.1MB). Free memory was 256.7MB in the beginning and 227.6MB in the end (delta: 29.1MB). Peak memory consumption was 278.2MB. Max. memory is 8.0GB. * TraceAbstraction took 847889.47ms. Allocated memory was 459.3MB in the beginning and 825.2MB in the end (delta: 366.0MB). Free memory was 226.5MB in the beginning and 311.7MB in the end (delta: -85.2MB). Peak memory consumption was 723.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1074801, independent: 1065627, independent conditional: 219092, independent unconditional: 846535, dependent: 3769, dependent conditional: 3017, dependent unconditional: 752, unknown: 5405, unknown conditional: 4550, unknown unconditional: 855] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1074432, independent: 1065627, independent conditional: 219092, independent unconditional: 846535, dependent: 3400, dependent conditional: 2648, dependent unconditional: 752, unknown: 5405, unknown conditional: 4550, unknown unconditional: 855] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1074432, independent: 1065627, independent conditional: 219092, independent unconditional: 846535, dependent: 3400, dependent conditional: 2648, dependent unconditional: 752, unknown: 5405, unknown conditional: 4550, unknown unconditional: 855] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1082194, independent: 1065627, independent conditional: 0, independent unconditional: 1065627, dependent: 6292, dependent conditional: 2892, dependent unconditional: 3400, unknown: 10275, unknown conditional: 4870, unknown unconditional: 5405] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1082194, independent: 1065627, independent conditional: 0, independent unconditional: 1065627, dependent: 6292, dependent conditional: 0, dependent unconditional: 6292, unknown: 10275, unknown conditional: 0, unknown unconditional: 10275] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1082194, independent: 1065627, independent conditional: 0, independent unconditional: 1065627, dependent: 6292, dependent conditional: 0, dependent unconditional: 6292, unknown: 10275, unknown conditional: 0, unknown unconditional: 10275] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 848213, independent: 846535, independent conditional: 0, independent unconditional: 846535, dependent: 767, dependent conditional: 0, dependent unconditional: 767, unknown: 911, unknown conditional: 0, unknown unconditional: 911] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 848213, independent: 846485, independent conditional: 0, independent unconditional: 846485, dependent: 1728, dependent conditional: 0, dependent unconditional: 1728, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1728, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 767, dependent conditional: 0, dependent unconditional: 767, unknown: 911, unknown conditional: 0, unknown unconditional: 911] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1728, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 767, dependent conditional: 0, dependent unconditional: 767, unknown: 911, unknown conditional: 0, unknown unconditional: 911] , SemanticIndependenceRelation.Query Time [ms]: [ total: 831691, independent: 1552, independent conditional: 0, independent unconditional: 1552, dependent: 16925, dependent conditional: 0, dependent unconditional: 16925, unknown: 813214, unknown conditional: 0, unknown unconditional: 813214] , Protected Queries: 0 ], Cache Queries: [ total: 1082194, independent: 219092, independent conditional: 0, independent unconditional: 219092, dependent: 5525, dependent conditional: 0, dependent unconditional: 5525, unknown: 857577, unknown conditional: 0, unknown unconditional: 857577] , Statistics on independence cache: Total cache size (in pairs): 847302, Positive cache size: 846535, Positive conditional cache size: 0, Positive unconditional cache size: 846535, Negative cache size: 767, Negative conditional cache size: 0, Negative unconditional cache size: 767, Unknown cache size: 911, Unknown conditional cache size: 0, Unknown unconditional cache size: 911, Eliminated conditions: 7762, Maximal queried relation: 2, Independence queries for same thread: 369 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 832.2s, Number of persistent set computation: 59314, Number of trivial persistent sets: 19581, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 848142, independent: 846535, independent conditional: 0, independent unconditional: 846535, dependent: 752, dependent conditional: 0, dependent unconditional: 752, unknown: 855, unknown conditional: 0, unknown unconditional: 855] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1074801, independent: 1065627, independent conditional: 219092, independent unconditional: 846535, dependent: 3769, dependent conditional: 3017, dependent unconditional: 752, unknown: 5405, unknown conditional: 4550, unknown unconditional: 855] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1074432, independent: 1065627, independent conditional: 219092, independent unconditional: 846535, dependent: 3400, dependent conditional: 2648, dependent unconditional: 752, unknown: 5405, unknown conditional: 4550, unknown unconditional: 855] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1074432, independent: 1065627, independent conditional: 219092, independent unconditional: 846535, dependent: 3400, dependent conditional: 2648, dependent unconditional: 752, unknown: 5405, unknown conditional: 4550, unknown unconditional: 855] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1082194, independent: 1065627, independent conditional: 0, independent unconditional: 1065627, dependent: 6292, dependent conditional: 2892, dependent unconditional: 3400, unknown: 10275, unknown conditional: 4870, unknown unconditional: 5405] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1082194, independent: 1065627, independent conditional: 0, independent unconditional: 1065627, dependent: 6292, dependent conditional: 0, dependent unconditional: 6292, unknown: 10275, unknown conditional: 0, unknown unconditional: 10275] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1082194, independent: 1065627, independent conditional: 0, independent unconditional: 1065627, dependent: 6292, dependent conditional: 0, dependent unconditional: 6292, unknown: 10275, unknown conditional: 0, unknown unconditional: 10275] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 848213, independent: 846535, independent conditional: 0, independent unconditional: 846535, dependent: 767, dependent conditional: 0, dependent unconditional: 767, unknown: 911, unknown conditional: 0, unknown unconditional: 911] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 848213, independent: 846485, independent conditional: 0, independent unconditional: 846485, dependent: 1728, dependent conditional: 0, dependent unconditional: 1728, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1728, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 767, dependent conditional: 0, dependent unconditional: 767, unknown: 911, unknown conditional: 0, unknown unconditional: 911] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1728, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 767, dependent conditional: 0, dependent unconditional: 767, unknown: 911, unknown conditional: 0, unknown unconditional: 911] , SemanticIndependenceRelation.Query Time [ms]: [ total: 831691, independent: 1552, independent conditional: 0, independent unconditional: 1552, dependent: 16925, dependent conditional: 0, dependent unconditional: 16925, unknown: 813214, unknown conditional: 0, unknown unconditional: 813214] , Protected Queries: 0 ], Cache Queries: [ total: 1082194, independent: 219092, independent conditional: 0, independent unconditional: 219092, dependent: 5525, dependent conditional: 0, dependent unconditional: 5525, unknown: 857577, unknown conditional: 0, unknown unconditional: 857577] , Statistics on independence cache: Total cache size (in pairs): 847302, Positive cache size: 846535, Positive conditional cache size: 0, Positive unconditional cache size: 846535, Negative cache size: 767, Negative conditional cache size: 0, Negative unconditional cache size: 767, Unknown cache size: 911, Unknown conditional cache size: 0, Unknown unconditional cache size: 911, Eliminated conditions: 7762, Maximal queried relation: 2, Independence queries for same thread: 369 - TimeoutResultAtElement [Line: 1539]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: instrPop3Thread1of1ForFork6 with 1 thread instances CFG has 15 procedures, 4733 locations, 21 error locations. Started 1 CEGAR loops. OverallTime: 847.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 845.6s, 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: 9, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 508 NumberOfCodeBlocks, 508 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 506 ConstructedInterpolants, 0 QuantifiedInterpolants, 520 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 could not prove your program: Timeout Completed graceful shutdown