/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-21b0908 [2022-07-22 12:13:34,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:13:34,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:13:34,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-22 12:13:34,910 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf [2022-07-22 12:13:34,963 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:13:34,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:13:34,965 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:13:34,966 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:13:34,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:13:34,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:13:34,968 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:13:34,969 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 12:13:34,969 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 12:13:34,970 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 12:13:34,970 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 12:13:34,971 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 12:13:34,971 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 12:13:34,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:13:34,971 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:13:34,972 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 12:13:34,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:13:34,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:13:34,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:13:34,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 12:13:34,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 12:13:34,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 12:13:34,973 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:13:34,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:13:34,974 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 12:13:34,974 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:13:34,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 12:13:34,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:13:34,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:13:34,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:13:34,976 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:13:34,978 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 12:13:34,978 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-22 12:13:35,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:13:35,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:13:35,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:13:35,533 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:13:35,534 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:13:35,536 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i [2022-07-22 12:13:35,639 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85be0677c/bb7ca94bd6bd4725a5393bcd2e3524d7/FLAG935f808ee [2022-07-22 12:13:36,555 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:13:36,556 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/one_time_barrier_twice_2t.i [2022-07-22 12:13:36,582 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85be0677c/bb7ca94bd6bd4725a5393bcd2e3524d7/FLAG935f808ee [2022-07-22 12:13:36,742 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85be0677c/bb7ca94bd6bd4725a5393bcd2e3524d7 [2022-07-22 12:13:36,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:13:36,752 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-22 12:13:36,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:13:36,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:13:36,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:13:36,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:13:36" (1/1) ... [2022-07-22 12:13:36,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a0ae5c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:13:36, skipping insertion in model container [2022-07-22 12:13:36,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:13:36" (1/1) ... [2022-07-22 12:13:36,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:13:36,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:13:37,108 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-07-22 12:13:37,417 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-divine/one_time_barrier_twice_2t.i[30448,30461] [2022-07-22 12:13:37,431 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-divine/one_time_barrier_twice_2t.i[30811,30824] [2022-07-22 12:13:37,450 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-divine/one_time_barrier_twice_2t.i[31483,31496] [2022-07-22 12:13:37,452 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-divine/one_time_barrier_twice_2t.i[31534,31547] [2022-07-22 12:13:37,458 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-divine/one_time_barrier_twice_2t.i[31683,31696] [2022-07-22 12:13:37,461 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-divine/one_time_barrier_twice_2t.i[31760,31773] [2022-07-22 12:13:37,463 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-divine/one_time_barrier_twice_2t.i[31807,31820] [2022-07-22 12:13:37,466 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-divine/one_time_barrier_twice_2t.i[31916,31929] [2022-07-22 12:13:37,478 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-divine/one_time_barrier_twice_2t.i[32035,32048] [2022-07-22 12:13:37,479 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-divine/one_time_barrier_twice_2t.i[32083,32096] [2022-07-22 12:13:37,481 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-divine/one_time_barrier_twice_2t.i[32160,32173] [2022-07-22 12:13:37,487 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-divine/one_time_barrier_twice_2t.i[32286,32299] [2022-07-22 12:13:37,506 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-divine/one_time_barrier_twice_2t.i[32897,32910] [2022-07-22 12:13:37,512 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-divine/one_time_barrier_twice_2t.i[32974,32987] [2022-07-22 12:13:37,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:13:37,530 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:13:37,551 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-07-22 12:13:37,598 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-divine/one_time_barrier_twice_2t.i[30448,30461] [2022-07-22 12:13:37,600 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-divine/one_time_barrier_twice_2t.i[30811,30824] [2022-07-22 12:13:37,609 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-divine/one_time_barrier_twice_2t.i[31483,31496] [2022-07-22 12:13:37,612 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-divine/one_time_barrier_twice_2t.i[31534,31547] [2022-07-22 12:13:37,616 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-divine/one_time_barrier_twice_2t.i[31683,31696] [2022-07-22 12:13:37,618 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-divine/one_time_barrier_twice_2t.i[31760,31773] [2022-07-22 12:13:37,620 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-divine/one_time_barrier_twice_2t.i[31807,31820] [2022-07-22 12:13:37,625 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-divine/one_time_barrier_twice_2t.i[31916,31929] [2022-07-22 12:13:37,628 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-divine/one_time_barrier_twice_2t.i[32035,32048] [2022-07-22 12:13:37,629 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-divine/one_time_barrier_twice_2t.i[32083,32096] [2022-07-22 12:13:37,630 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-divine/one_time_barrier_twice_2t.i[32160,32173] [2022-07-22 12:13:37,634 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-divine/one_time_barrier_twice_2t.i[32286,32299] [2022-07-22 12:13:37,654 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-divine/one_time_barrier_twice_2t.i[32897,32910] [2022-07-22 12:13:37,656 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-divine/one_time_barrier_twice_2t.i[32974,32987] [2022-07-22 12:13:37,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:13:37,709 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:13:37,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:13:37 WrapperNode [2022-07-22 12:13:37,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:13:37,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:13:37,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:13:37,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:13:37,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:13:37" (1/1) ... [2022-07-22 12:13:37,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:13:37" (1/1) ... [2022-07-22 12:13:37,816 INFO L137 Inliner]: procedures = 174, calls = 73, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 469 [2022-07-22 12:13:37,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:13:37,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:13:37,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:13:37,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:13:37,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:13:37" (1/1) ... [2022-07-22 12:13:37,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:13:37" (1/1) ... [2022-07-22 12:13:37,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:13:37" (1/1) ... [2022-07-22 12:13:37,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:13:37" (1/1) ... [2022-07-22 12:13:37,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:13:37" (1/1) ... [2022-07-22 12:13:37,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:13:37" (1/1) ... [2022-07-22 12:13:37,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:13:37" (1/1) ... [2022-07-22 12:13:37,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:13:37,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:13:37,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:13:37,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:13:37,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:13:37" (1/1) ... [2022-07-22 12:13:37,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:13:37,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:13:37,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:13:37,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-22 12:13:38,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 12:13:38,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 12:13:38,001 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-07-22 12:13:38,001 INFO L130 BoogieDeclarations]: Found specification of procedure worker_fn [2022-07-22 12:13:38,001 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_fn [2022-07-22 12:13:38,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:13:38,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 12:13:38,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 12:13:38,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 12:13:38,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 12:13:38,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:13:38,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:13:38,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:13:38,004 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-22 12:13:38,149 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:13:38,151 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:13:39,117 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:13:39,137 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:13:39,138 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2022-07-22 12:13:39,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:13:39 BoogieIcfgContainer [2022-07-22 12:13:39,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:13:39,144 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 12:13:39,144 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 12:13:39,149 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 12:13:39,150 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:13:39,150 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 12:13:36" (1/3) ... [2022-07-22 12:13:39,151 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52e4cae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:13:39, skipping insertion in model container [2022-07-22 12:13:39,152 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:13:39,152 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:13:37" (2/3) ... [2022-07-22 12:13:39,152 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52e4cae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:13:39, skipping insertion in model container [2022-07-22 12:13:39,152 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:13:39,152 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:13:39" (3/3) ... [2022-07-22 12:13:39,154 INFO L322 chiAutomizerObserver]: Analyzing ICFG one_time_barrier_twice_2t.i [2022-07-22 12:13:39,368 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-07-22 12:13:39,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 454 places, 515 transitions, 1038 flow [2022-07-22 12:13:39,842 INFO L129 PetriNetUnfolder]: 96/754 cut-off events. [2022-07-22 12:13:39,842 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-07-22 12:13:39,867 INFO L84 FinitePrefix]: Finished finitePrefix Result has 760 conditions, 754 events. 96/754 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2351 event pairs, 0 based on Foata normal form. 0/656 useless extension candidates. Maximal degree in co-relation 436. Up to 4 conditions per place. [2022-07-22 12:13:39,867 INFO L82 GeneralOperation]: Start removeDead. Operand has 454 places, 515 transitions, 1038 flow [2022-07-22 12:13:39,933 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 454 places, 515 transitions, 1038 flow [2022-07-22 12:13:39,937 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-22 12:13:39,961 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 454 places, 515 transitions, 1038 flow [2022-07-22 12:13:39,970 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 454 places, 515 transitions, 1038 flow [2022-07-22 12:13:39,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 454 places, 515 transitions, 1038 flow [2022-07-22 12:13:40,232 INFO L129 PetriNetUnfolder]: 96/754 cut-off events. [2022-07-22 12:13:40,232 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-07-22 12:13:40,248 INFO L84 FinitePrefix]: Finished finitePrefix Result has 760 conditions, 754 events. 96/754 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2343 event pairs, 0 based on Foata normal form. 0/656 useless extension candidates. Maximal degree in co-relation 436. Up to 4 conditions per place. [2022-07-22 12:13:40,326 INFO L116 LiptonReduction]: Number of co-enabled transitions 94464 [2022-07-22 12:13:58,381 WARN L230 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-07-22 12:13:58,383 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.checkImplication(TransFormulaUtils.java:1152) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.performInclusionCheck(SemanticIndependenceRelation.java:197) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.containsLBool(SemanticIndependenceRelation.java:145) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:123) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.lambda$2(UnionIndependenceRelation.java:70) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.Spliterators$ArraySpliterator.tryAdvance(Spliterators.java:958) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:528) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.contains(UnionIndependenceRelation.java:70) at de.uni_freiburg.informatik.ultimate.automata.partialorder.CachedIndependenceRelation.contains(CachedIndependenceRelation.java:120) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.lambda$0(LiptonReduction.java:452) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.HashMap$KeySpliterator.tryAdvance(HashMap.java:1642) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.allMatch(ReferencePipeline.java:533) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.isLeftMover(LiptonReduction.java:452) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.sequenceRuleCheck(LiptonReduction.java:408) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.sequenceRule(LiptonReduction.java:310) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.(LiptonReduction.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.petrinetlbe.PetriNetLargeBlockEncoding.(PetriNetLargeBlockEncoding.java:133) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.PetriLbeInitialAbstractionProvider.getInitialAbstraction(PetriLbeInitialAbstractionProvider.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.PetriLbeInitialAbstractionProvider.getInitialAbstraction(PetriLbeInitialAbstractionProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.Petri2FiniteAutomatonAbstractionProvider$Lazy.getInitialAbstraction(Petri2FiniteAutomatonAbstractionProvider.java:196) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.Petri2FiniteAutomatonAbstractionProvider$Lazy.getInitialAbstraction(Petri2FiniteAutomatonAbstractionProvider.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiCegarLoopFactory.constructInitialAbstraction(BuchiCegarLoopFactory.java:187) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiCegarLoopFactory.createBuchiAutomatonCegarLoop(BuchiCegarLoopFactory.java:153) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiCegarLoopFactory.constructCegarLoop(BuchiCegarLoopFactory.java:121) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.runCegarLoops(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:331) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 59 more [2022-07-22 12:13:58,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 101 [2022-07-22 12:13:58,392 INFO L158 Benchmark]: Toolchain (without parser) took 21642.14ms. Allocated memory was 151.0MB in the beginning and 231.7MB in the end (delta: 80.7MB). Free memory was 124.1MB in the beginning and 142.3MB in the end (delta: -18.3MB). Peak memory consumption was 123.1MB. Max. memory is 8.0GB. [2022-07-22 12:13:58,392 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 151.0MB. Free memory was 121.3MB in the beginning and 120.9MB in the end (delta: 435.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-07-22 12:13:58,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 954.24ms. Allocated memory is still 151.0MB. Free memory was 123.9MB in the beginning and 100.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-07-22 12:13:58,394 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.48ms. Allocated memory is still 151.0MB. Free memory was 100.8MB in the beginning and 130.8MB in the end (delta: -30.0MB). Peak memory consumption was 5.6MB. Max. memory is 8.0GB. [2022-07-22 12:13:58,395 INFO L158 Benchmark]: Boogie Preprocessor took 63.25ms. Allocated memory is still 151.0MB. Free memory was 130.3MB in the beginning and 127.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-07-22 12:13:58,396 INFO L158 Benchmark]: RCFGBuilder took 1260.48ms. Allocated memory is still 151.0MB. Free memory was 127.1MB in the beginning and 89.4MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2022-07-22 12:13:58,397 INFO L158 Benchmark]: BuchiAutomizer took 19243.91ms. Allocated memory was 151.0MB in the beginning and 231.7MB in the end (delta: 80.7MB). Free memory was 88.8MB in the beginning and 142.3MB in the end (delta: -53.5MB). Peak memory consumption was 87.0MB. Max. memory is 8.0GB. [2022-07-22 12:13:58,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 151.0MB. Free memory was 121.3MB in the beginning and 120.9MB in the end (delta: 435.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 954.24ms. Allocated memory is still 151.0MB. Free memory was 123.9MB in the beginning and 100.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 106.48ms. Allocated memory is still 151.0MB. Free memory was 100.8MB in the beginning and 130.8MB in the end (delta: -30.0MB). Peak memory consumption was 5.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 63.25ms. Allocated memory is still 151.0MB. Free memory was 130.3MB in the beginning and 127.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1260.48ms. Allocated memory is still 151.0MB. Free memory was 127.1MB in the beginning and 89.4MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * BuchiAutomizer took 19243.91ms. Allocated memory was 151.0MB in the beginning and 231.7MB in the end (delta: 80.7MB). Free memory was 88.8MB in the beginning and 142.3MB in the end (delta: -53.5MB). Peak memory consumption was 87.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...