/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/weaver/parallel-ticket-8.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-21b0908 [2022-07-22 12:20:28,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:20:28,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:20:28,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 12:20:28,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 12:20:28,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 12:20:28,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 12:20:28,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 12:20:28,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 12:20:28,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 12:20:28,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 12:20:28,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 12:20:28,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 12:20:28,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 12:20:28,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 12:20:28,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 12:20:28,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 12:20:28,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 12:20:28,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 12:20:28,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 12:20:28,560 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 12:20:28,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 12:20:28,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 12:20:28,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 12:20:28,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 12:20:28,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-22 12:20:28,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 12:20:28,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 12:20:28,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 12:20:28,595 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 12:20:28,646 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:20:28,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:20:28,647 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:20:28,647 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:20:28,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:20:28,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:20:28,649 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:20:28,649 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 12:20:28,650 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 12:20:28,651 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 12:20:28,651 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 12:20:28,651 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 12:20:28,651 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 12:20:28,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:20:28,652 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:20:28,652 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 12:20:28,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:20:28,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:20:28,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:20:28,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 12:20:28,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 12:20:28,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 12:20:28,653 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:20:28,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:20:28,654 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 12:20:28,654 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:20:28,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 12:20:28,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:20:28,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:20:28,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:20:28,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:20:28,658 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 12:20:28,658 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-22 12:20:29,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:20:29,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:20:29,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:20:29,086 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:20:29,087 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:20:29,088 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2022-07-22 12:20:29,178 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6002baf1a/789139e270114ac9af1940207e220e0a/FLAGc2b521636 [2022-07-22 12:20:29,888 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:20:29,889 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2022-07-22 12:20:29,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6002baf1a/789139e270114ac9af1940207e220e0a/FLAGc2b521636 [2022-07-22 12:20:30,186 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6002baf1a/789139e270114ac9af1940207e220e0a [2022-07-22 12:20:30,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:20:30,196 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-22 12:20:30,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:20:30,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:20:30,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:20:30,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:20:30" (1/1) ... [2022-07-22 12:20:30,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@177fabd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:30, skipping insertion in model container [2022-07-22 12:20:30,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:20:30" (1/1) ... [2022-07-22 12:20:30,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:20:30,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:20:30,496 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c[5274,5287] [2022-07-22 12:20:30,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:20:30,528 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:20:30,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c[5274,5287] [2022-07-22 12:20:30,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:20:30,639 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:20:30,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:30 WrapperNode [2022-07-22 12:20:30,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:20:30,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:20:30,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:20:30,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:20:30,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:30" (1/1) ... [2022-07-22 12:20:30,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:30" (1/1) ... [2022-07-22 12:20:30,710 INFO L137 Inliner]: procedures = 27, calls = 130, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 347 [2022-07-22 12:20:30,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:20:30,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:20:30,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:20:30,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:20:30,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:30" (1/1) ... [2022-07-22 12:20:30,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:30" (1/1) ... [2022-07-22 12:20:30,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:30" (1/1) ... [2022-07-22 12:20:30,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:30" (1/1) ... [2022-07-22 12:20:30,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:30" (1/1) ... [2022-07-22 12:20:30,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:30" (1/1) ... [2022-07-22 12:20:30,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:30" (1/1) ... [2022-07-22 12:20:30,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:20:30,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:20:30,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:20:30,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:20:30,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:30" (1/1) ... [2022-07-22 12:20:30,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:20:30,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:20:30,825 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 12:20:30,841 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 12:20:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:20:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 12:20:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 12:20:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 12:20:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-22 12:20:30,899 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-22 12:20:30,899 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-22 12:20:30,899 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-22 12:20:30,899 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-07-22 12:20:30,899 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-07-22 12:20:30,900 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-07-22 12:20:30,900 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-07-22 12:20:30,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:20:30,900 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-07-22 12:20:30,900 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-07-22 12:20:30,900 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-07-22 12:20:30,901 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-07-22 12:20:30,901 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2022-07-22 12:20:30,901 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2022-07-22 12:20:30,901 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2022-07-22 12:20:30,901 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2022-07-22 12:20:30,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-22 12:20:30,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-22 12:20:30,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:20:30,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:20:30,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 12:20:30,905 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 12:20:31,049 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:20:31,052 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:20:31,671 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:20:31,859 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:20:31,859 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 12:20:31,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:20:31 BoogieIcfgContainer [2022-07-22 12:20:31,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:20:31,865 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 12:20:31,865 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 12:20:31,869 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 12:20:31,870 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:20:31,871 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 12:20:30" (1/3) ... [2022-07-22 12:20:31,872 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e5d464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:20:31, skipping insertion in model container [2022-07-22 12:20:31,872 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:20:31,873 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:30" (2/3) ... [2022-07-22 12:20:31,873 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e5d464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:20:31, skipping insertion in model container [2022-07-22 12:20:31,873 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:20:31,874 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:20:31" (3/3) ... [2022-07-22 12:20:31,875 INFO L322 chiAutomizerObserver]: Analyzing ICFG parallel-ticket-8.wvr.c [2022-07-22 12:20:32,002 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2022-07-22 12:20:32,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 245 places, 230 transitions, 524 flow [2022-07-22 12:20:32,153 INFO L129 PetriNetUnfolder]: 2/214 cut-off events. [2022-07-22 12:20:32,154 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-07-22 12:20:32,164 INFO L84 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 214 events. 2/214 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 103 event pairs, 0 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 166. Up to 2 conditions per place. [2022-07-22 12:20:32,167 INFO L82 GeneralOperation]: Start removeDead. Operand has 245 places, 230 transitions, 524 flow [2022-07-22 12:20:32,188 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 237 places, 214 transitions, 476 flow [2022-07-22 12:20:32,195 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-22 12:20:32,219 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 237 places, 214 transitions, 476 flow [2022-07-22 12:20:32,223 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 237 places, 214 transitions, 476 flow [2022-07-22 12:20:32,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 237 places, 214 transitions, 476 flow [2022-07-22 12:20:32,319 INFO L129 PetriNetUnfolder]: 2/214 cut-off events. [2022-07-22 12:20:32,319 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-07-22 12:20:32,320 INFO L84 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 214 events. 2/214 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 103 event pairs, 0 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 166. Up to 2 conditions per place. [2022-07-22 12:20:32,329 INFO L116 LiptonReduction]: Number of co-enabled transitions 5502 [2022-07-22 12:20:47,134 INFO L131 LiptonReduction]: Checked pairs total: 13065 [2022-07-22 12:20:47,134 INFO L133 LiptonReduction]: Total number of compositions: 176 [2022-07-22 12:20:47,177 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 12:20:47,178 INFO L301 stractBuchiCegarLoop]: Hoare is false [2022-07-22 12:20:47,178 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 12:20:47,178 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 12:20:47,178 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 12:20:47,178 INFO L305 stractBuchiCegarLoop]: Difference is false [2022-07-22 12:20:47,179 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 12:20:47,179 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 12:20:47,182 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-22 12:20:52,679 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 12:20:52,680 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-22 12:20:52,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 12:20:52 BoogieIcfgContainer [2022-07-22 12:20:52,686 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 12:20:52,690 INFO L158 Benchmark]: Toolchain (without parser) took 22495.47ms. Allocated memory was 151.0MB in the beginning and 420.5MB in the end (delta: 269.5MB). Free memory was 125.1MB in the beginning and 103.1MB in the end (delta: 22.0MB). Peak memory consumption was 337.3MB. Max. memory is 8.0GB. [2022-07-22 12:20:52,691 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 151.0MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-22 12:20:52,693 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.28ms. Allocated memory is still 151.0MB. Free memory was 124.9MB in the beginning and 112.4MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-07-22 12:20:52,694 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.34ms. Allocated memory is still 151.0MB. Free memory was 112.4MB in the beginning and 109.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-22 12:20:52,694 INFO L158 Benchmark]: Boogie Preprocessor took 58.38ms. Allocated memory is still 151.0MB. Free memory was 109.6MB in the beginning and 107.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-22 12:20:52,695 INFO L158 Benchmark]: RCFGBuilder took 1090.47ms. Allocated memory is still 151.0MB. Free memory was 107.7MB in the beginning and 114.0MB in the end (delta: -6.3MB). Peak memory consumption was 17.0MB. Max. memory is 8.0GB. [2022-07-22 12:20:52,700 INFO L158 Benchmark]: BuchiAutomizer took 20820.99ms. Allocated memory was 151.0MB in the beginning and 420.5MB in the end (delta: 269.5MB). Free memory was 114.0MB in the beginning and 103.1MB in the end (delta: 10.9MB). Peak memory consumption was 325.5MB. Max. memory is 8.0GB. [2022-07-22 12:20:52,710 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 151.0MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 443.28ms. Allocated memory is still 151.0MB. Free memory was 124.9MB in the beginning and 112.4MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 68.34ms. Allocated memory is still 151.0MB. Free memory was 112.4MB in the beginning and 109.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 58.38ms. Allocated memory is still 151.0MB. Free memory was 109.6MB in the beginning and 107.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1090.47ms. Allocated memory is still 151.0MB. Free memory was 107.7MB in the beginning and 114.0MB in the end (delta: -6.3MB). Peak memory consumption was 17.0MB. Max. memory is 8.0GB. * BuchiAutomizer took 20820.99ms. Allocated memory was 151.0MB in the beginning and 420.5MB in the end (delta: 269.5MB). Free memory was 114.0MB in the beginning and 103.1MB in the end (delta: 10.9MB). Peak memory consumption was 325.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 20.6s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 15.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.9s, 237 PlacesBefore, 75 PlacesAfterwards, 214 TransitionsBefore, 50 TransitionsAfterwards, 5502 CoEnabledTransitionPairs, 8 FixpointIterations, 94 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 176 TotalNumberOfCompositions, 13065 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7279, positive: 7068, positive conditional: 0, positive unconditional: 7068, negative: 211, negative conditional: 0, negative unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3743, positive: 3682, positive conditional: 0, positive unconditional: 3682, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3743, positive: 3538, positive conditional: 0, positive unconditional: 3538, negative: 205, negative conditional: 0, negative unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 205, positive: 144, positive conditional: 0, positive unconditional: 144, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 439, positive: 261, positive conditional: 0, positive unconditional: 261, negative: 177, negative conditional: 0, negative unconditional: 177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7279, positive: 3386, positive conditional: 0, positive unconditional: 3386, negative: 150, negative conditional: 0, negative unconditional: 150, unknown: 3743, unknown conditional: 0, unknown unconditional: 3743] , Statistics on independence cache: Total cache size (in pairs): 400, Positive cache size: 376, Positive conditional cache size: 0, Positive unconditional cache size: 376, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 RESULT: Ultimate proved your program to be correct! [2022-07-22 12:20:52,763 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...