/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-32214ab [2023-05-20 16:00:39,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 16:00:39,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 16:00:39,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 16:00:39,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 16:00:39,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 16:00:39,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 16:00:39,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 16:00:39,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 16:00:39,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 16:00:39,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 16:00:39,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 16:00:39,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 16:00:39,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 16:00:39,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 16:00:39,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 16:00:39,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 16:00:39,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 16:00:39,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 16:00:39,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 16:00:39,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 16:00:39,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 16:00:39,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 16:00:39,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 16:00:39,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 16:00:39,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 16:00:39,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 16:00:39,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 16:00:39,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 16:00:39,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2023-05-20 16:00:39,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 16:00:39,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 16:00:39,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 16:00:39,969 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 16:00:39,991 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 16:00:39,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 16:00:39,991 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 16:00:39,991 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 16:00:39,992 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 16:00:39,992 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 16:00:39,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 16:00:39,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 16:00:39,993 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 16:00:39,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 16:00:39,993 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 16:00:39,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 16:00:39,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 16:00:39,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 16:00:39,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 16:00:39,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 16:00:39,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 16:00:39,994 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 16:00:39,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 16:00:39,994 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 16:00:39,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 16:00:39,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 16:00:39,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 16:00:39,995 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 16:00:39,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 16:00:39,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 16:00:39,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 16:00:39,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 16:00:39,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 16:00:39,995 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 16:00:39,995 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 16:00:39,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 16:00:39,996 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 16:00:39,996 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 16:00:39,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 16:00:39,996 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 16:00:39,996 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-20 16:00:40,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 16:00:40,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 16:00:40,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 16:00:40,221 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 16:00:40,221 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 16:00:40,222 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2023-05-20 16:00:40,291 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/203c52f5c/a7ae962347a24226b314c50d25c33a96/FLAG0e9d6bf78 [2023-05-20 16:00:40,739 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 16:00:40,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2023-05-20 16:00:40,763 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/203c52f5c/a7ae962347a24226b314c50d25c33a96/FLAG0e9d6bf78 [2023-05-20 16:00:41,085 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/203c52f5c/a7ae962347a24226b314c50d25c33a96 [2023-05-20 16:00:41,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 16:00:41,087 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 16:00:41,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 16:00:41,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 16:00:41,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 16:00:41,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:00:41" (1/1) ... [2023-05-20 16:00:41,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3362a51b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:41, skipping insertion in model container [2023-05-20 16:00:41,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:00:41" (1/1) ... [2023-05-20 16:00:41,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 16:00:41,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 16:00:41,701 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] [2023-05-20 16:00:41,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 16:00:41,722 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 16:00:41,771 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] [2023-05-20 16:00:41,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 16:00:41,861 INFO L208 MainTranslator]: Completed translation [2023-05-20 16:00:41,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:41 WrapperNode [2023-05-20 16:00:41,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 16:00:41,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 16:00:41,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 16:00:41,863 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 16:00:41,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:41" (1/1) ... [2023-05-20 16:00:41,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:41" (1/1) ... [2023-05-20 16:00:42,011 INFO L138 Inliner]: procedures = 397, calls = 214, calls flagged for inlining = 52, calls inlined = 211, statements flattened = 3713 [2023-05-20 16:00:42,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 16:00:42,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 16:00:42,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 16:00:42,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 16:00:42,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:41" (1/1) ... [2023-05-20 16:00:42,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:41" (1/1) ... [2023-05-20 16:00:42,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:41" (1/1) ... [2023-05-20 16:00:42,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:41" (1/1) ... [2023-05-20 16:00:42,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:41" (1/1) ... [2023-05-20 16:00:42,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:41" (1/1) ... [2023-05-20 16:00:42,247 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:41" (1/1) ... [2023-05-20 16:00:42,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:41" (1/1) ... [2023-05-20 16:00:42,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 16:00:42,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 16:00:42,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 16:00:42,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 16:00:42,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:41" (1/1) ... [2023-05-20 16:00:42,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 16:00:42,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:00:42,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-20 16:00:42,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-20 16:00:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 16:00:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 16:00:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 16:00:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 16:00:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 16:00:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-05-20 16:00:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-05-20 16:00:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-05-20 16:00:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-05-20 16:00:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-05-20 16:00:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-05-20 16:00:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-05-20 16:00:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 16:00:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 16:00:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 16:00:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-05-20 16:00:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-05-20 16:00:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 16:00:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-05-20 16:00:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-05-20 16:00:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-05-20 16:00:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-05-20 16:00:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-05-20 16:00:42,449 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-05-20 16:00:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-05-20 16:00:42,449 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-05-20 16:00:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 16:00:42,451 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 16:00:42,834 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 16:00:42,836 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 16:00:45,199 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 16:00:46,813 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 16:00:46,814 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-20 16:00:46,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:00:46 BoogieIcfgContainer [2023-05-20 16:00:46,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 16:00:46,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 16:00:46,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 16:00:46,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 16:00:46,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 04:00:41" (1/3) ... [2023-05-20 16:00:46,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa01da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:00:46, skipping insertion in model container [2023-05-20 16:00:46,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:41" (2/3) ... [2023-05-20 16:00:46,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa01da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:00:46, skipping insertion in model container [2023-05-20 16:00:46,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:00:46" (3/3) ... [2023-05-20 16:00:46,823 INFO L112 eAbstractionObserver]: Analyzing ICFG elimination_backoff_stack.i [2023-05-20 16:00:46,829 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 16:00:46,836 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 16:00:46,836 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-05-20 16:00:46,836 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 16:00:47,379 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-20 16:00:47,429 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 16:00:47,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 16:00:47,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:00:47,431 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 16:00:47,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-20 16:00:47,480 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 16:00:47,504 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == instrPop3Thread1of1ForFork6 ======== [2023-05-20 16:00:47,508 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;@688ad1d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 16:00:47,508 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-20 16:02:22,350 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 16:02:22,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:02:22,356 INFO L85 PathProgramCache]: Analyzing trace with hash 695517848, now seen corresponding path program 1 times [2023-05-20 16:02:22,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:02:22,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903167226] [2023-05-20 16:02:22,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:02:22,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:02:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:02:23,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 16:02:23,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:02:23,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903167226] [2023-05-20 16:02:23,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903167226] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:02:23,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:02:23,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-20 16:02:23,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992074459] [2023-05-20 16:02:23,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:02:23,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-20 16:02:23,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:02:23,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-20 16:02:23,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-20 16:02:23,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:02:23,152 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:02:23,153 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) [2023-05-20 16:02:23,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:02:23,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:02:23,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 16:02:23,275 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 16:02:23,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:02:23,275 INFO L85 PathProgramCache]: Analyzing trace with hash 591297637, now seen corresponding path program 1 times [2023-05-20 16:02:23,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:02:23,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427149034] [2023-05-20 16:02:23,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:02:23,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:02:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:02:23,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 16:02:23,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:02:23,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427149034] [2023-05-20 16:02:23,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427149034] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:02:23,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:02:23,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-20 16:02:23,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140091360] [2023-05-20 16:02:23,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:02:23,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-20 16:02:23,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:02:23,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-20 16:02:23,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-20 16:02:23,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:02:23,558 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:02:23,559 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) [2023-05-20 16:02:23,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:02:23,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-05-20 16:15:06,030 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 [2023-05-20 16:15:06,030 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 [2023-05-20 16:15:07,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 16:15:07,056 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2023-05-20 16:15:07,058 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location instrPop3Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-05-20 16:15:07,077 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2023-05-20 16:15:07,092 INFO L307 ceAbstractionStarter]: Result for error location instrPop3Thread1of1ForFork6 was TIMEOUT (1/8) [2023-05-20 16:15:07,094 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 16:15:07,094 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 16:15:07,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 04:15:07 BasicIcfg [2023-05-20 16:15:07,109 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 16:15:07,110 INFO L158 Benchmark]: Toolchain (without parser) took 866022.12ms. Allocated memory was 195.0MB in the beginning and 697.3MB in the end (delta: 502.3MB). Free memory was 131.6MB in the beginning and 171.7MB in the end (delta: -40.1MB). Peak memory consumption was 836.6MB. Max. memory is 8.0GB. [2023-05-20 16:15:07,111 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 195.0MB. Free memory was 151.2MB in the beginning and 151.1MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 16:15:07,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 759.32ms. Allocated memory was 195.0MB in the beginning and 273.7MB in the end (delta: 78.6MB). Free memory was 131.3MB in the beginning and 204.4MB in the end (delta: -73.1MB). Peak memory consumption was 11.4MB. Max. memory is 8.0GB. [2023-05-20 16:15:07,115 INFO L158 Benchmark]: Boogie Procedure Inliner took 149.51ms. Allocated memory is still 273.7MB. Free memory was 204.4MB in the beginning and 186.4MB in the end (delta: 18.0MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-05-20 16:15:07,115 INFO L158 Benchmark]: Boogie Preprocessor took 270.73ms. Allocated memory is still 273.7MB. Free memory was 186.0MB in the beginning and 225.2MB in the end (delta: -39.3MB). Peak memory consumption was 17.3MB. Max. memory is 8.0GB. [2023-05-20 16:15:07,115 INFO L158 Benchmark]: RCFGBuilder took 4532.72ms. Allocated memory was 273.7MB in the beginning and 427.8MB in the end (delta: 154.1MB). Free memory was 225.2MB in the beginning and 226.3MB in the end (delta: -1.1MB). Peak memory consumption was 256.4MB. Max. memory is 8.0GB. [2023-05-20 16:15:07,116 INFO L158 Benchmark]: TraceAbstraction took 860290.43ms. Allocated memory was 427.8MB in the beginning and 697.3MB in the end (delta: 269.5MB). Free memory was 225.2MB in the beginning and 171.7MB in the end (delta: 53.5MB). Peak memory consumption was 698.4MB. Max. memory is 8.0GB. [2023-05-20 16:15:07,121 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2023-05-20 16:15:07,133 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 195.0MB. Free memory was 151.2MB in the beginning and 151.1MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 759.32ms. Allocated memory was 195.0MB in the beginning and 273.7MB in the end (delta: 78.6MB). Free memory was 131.3MB in the beginning and 204.4MB in the end (delta: -73.1MB). Peak memory consumption was 11.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 149.51ms. Allocated memory is still 273.7MB. Free memory was 204.4MB in the beginning and 186.4MB in the end (delta: 18.0MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 270.73ms. Allocated memory is still 273.7MB. Free memory was 186.0MB in the beginning and 225.2MB in the end (delta: -39.3MB). Peak memory consumption was 17.3MB. Max. memory is 8.0GB. * RCFGBuilder took 4532.72ms. Allocated memory was 273.7MB in the beginning and 427.8MB in the end (delta: 154.1MB). Free memory was 225.2MB in the beginning and 226.3MB in the end (delta: -1.1MB). Peak memory consumption was 256.4MB. Max. memory is 8.0GB. * TraceAbstraction took 860290.43ms. Allocated memory was 427.8MB in the beginning and 697.3MB in the end (delta: 269.5MB). Free memory was 225.2MB in the beginning and 171.7MB in the end (delta: 53.5MB). Peak memory consumption was 698.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1075779, independent: 1066516, independent conditional: 219883, independent unconditional: 846633, dependent: 3773, dependent conditional: 3019, dependent unconditional: 754, unknown: 5490, unknown conditional: 4617, unknown unconditional: 873] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1075410, independent: 1066516, independent conditional: 219883, independent unconditional: 846633, dependent: 3404, dependent conditional: 2650, dependent unconditional: 754, unknown: 5490, unknown conditional: 4617, unknown unconditional: 873] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1075410, independent: 1066516, independent conditional: 219883, independent unconditional: 846633, dependent: 3404, dependent conditional: 2650, dependent unconditional: 754, unknown: 5490, unknown conditional: 4617, unknown unconditional: 873] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1083253, independent: 1066516, independent conditional: 0, independent unconditional: 1066516, dependent: 6282, dependent conditional: 2878, dependent unconditional: 3404, unknown: 10455, unknown conditional: 4965, unknown unconditional: 5490] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1083253, independent: 1066516, independent conditional: 0, independent unconditional: 1066516, dependent: 6282, dependent conditional: 0, dependent unconditional: 6282, unknown: 10455, unknown conditional: 0, unknown unconditional: 10455] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1083253, independent: 1066516, independent conditional: 0, independent unconditional: 1066516, dependent: 6282, dependent conditional: 0, dependent unconditional: 6282, unknown: 10455, unknown conditional: 0, unknown unconditional: 10455] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 848331, independent: 846633, independent conditional: 0, independent unconditional: 846633, dependent: 771, dependent conditional: 0, dependent unconditional: 771, unknown: 927, unknown conditional: 0, unknown unconditional: 927] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 848331, independent: 846583, independent conditional: 0, independent unconditional: 846583, dependent: 1748, dependent conditional: 0, dependent unconditional: 1748, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1748, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 771, dependent conditional: 0, dependent unconditional: 771, unknown: 927, unknown conditional: 0, unknown unconditional: 927] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1748, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 771, dependent conditional: 0, dependent unconditional: 771, unknown: 927, unknown conditional: 0, unknown unconditional: 927] , SemanticIndependenceRelation.Query Time [ms]: [ total: 845448, independent: 1525, independent conditional: 0, independent unconditional: 1525, dependent: 16050, dependent conditional: 0, dependent unconditional: 16050, unknown: 827874, unknown conditional: 0, unknown unconditional: 827874] , Protected Queries: 0 ], Cache Queries: [ total: 1083253, independent: 219883, independent conditional: 0, independent unconditional: 219883, dependent: 5511, dependent conditional: 0, dependent unconditional: 5511, unknown: 857859, unknown conditional: 0, unknown unconditional: 857859] , Statistics on independence cache: Total cache size (in pairs): 847404, Positive cache size: 846633, Positive conditional cache size: 0, Positive unconditional cache size: 846633, Negative cache size: 771, Negative conditional cache size: 0, Negative unconditional cache size: 771, Unknown cache size: 927, Unknown conditional cache size: 0, Unknown unconditional cache size: 927, Eliminated conditions: 7843, Maximal queried relation: 2, Independence queries for same thread: 369 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 845.9s, Number of persistent set computation: 59486, Number of trivial persistent sets: 19633, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 848260, independent: 846633, independent conditional: 0, independent unconditional: 846633, dependent: 754, dependent conditional: 0, dependent unconditional: 754, unknown: 873, unknown conditional: 0, unknown unconditional: 873] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1075779, independent: 1066516, independent conditional: 219883, independent unconditional: 846633, dependent: 3773, dependent conditional: 3019, dependent unconditional: 754, unknown: 5490, unknown conditional: 4617, unknown unconditional: 873] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1075410, independent: 1066516, independent conditional: 219883, independent unconditional: 846633, dependent: 3404, dependent conditional: 2650, dependent unconditional: 754, unknown: 5490, unknown conditional: 4617, unknown unconditional: 873] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1075410, independent: 1066516, independent conditional: 219883, independent unconditional: 846633, dependent: 3404, dependent conditional: 2650, dependent unconditional: 754, unknown: 5490, unknown conditional: 4617, unknown unconditional: 873] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1083253, independent: 1066516, independent conditional: 0, independent unconditional: 1066516, dependent: 6282, dependent conditional: 2878, dependent unconditional: 3404, unknown: 10455, unknown conditional: 4965, unknown unconditional: 5490] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1083253, independent: 1066516, independent conditional: 0, independent unconditional: 1066516, dependent: 6282, dependent conditional: 0, dependent unconditional: 6282, unknown: 10455, unknown conditional: 0, unknown unconditional: 10455] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1083253, independent: 1066516, independent conditional: 0, independent unconditional: 1066516, dependent: 6282, dependent conditional: 0, dependent unconditional: 6282, unknown: 10455, unknown conditional: 0, unknown unconditional: 10455] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 848331, independent: 846633, independent conditional: 0, independent unconditional: 846633, dependent: 771, dependent conditional: 0, dependent unconditional: 771, unknown: 927, unknown conditional: 0, unknown unconditional: 927] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 848331, independent: 846583, independent conditional: 0, independent unconditional: 846583, dependent: 1748, dependent conditional: 0, dependent unconditional: 1748, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1748, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 771, dependent conditional: 0, dependent unconditional: 771, unknown: 927, unknown conditional: 0, unknown unconditional: 927] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1748, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 771, dependent conditional: 0, dependent unconditional: 771, unknown: 927, unknown conditional: 0, unknown unconditional: 927] , SemanticIndependenceRelation.Query Time [ms]: [ total: 845448, independent: 1525, independent conditional: 0, independent unconditional: 1525, dependent: 16050, dependent conditional: 0, dependent unconditional: 16050, unknown: 827874, unknown conditional: 0, unknown unconditional: 827874] , Protected Queries: 0 ], Cache Queries: [ total: 1083253, independent: 219883, independent conditional: 0, independent unconditional: 219883, dependent: 5511, dependent conditional: 0, dependent unconditional: 5511, unknown: 857859, unknown conditional: 0, unknown unconditional: 857859] , Statistics on independence cache: Total cache size (in pairs): 847404, Positive cache size: 846633, Positive conditional cache size: 0, Positive unconditional cache size: 846633, Negative cache size: 771, Negative conditional cache size: 0, Negative unconditional cache size: 771, Unknown cache size: 927, Unknown conditional cache size: 0, Unknown unconditional cache size: 927, Eliminated conditions: 7843, 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: 859.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 858.5s, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s 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