/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/chl-file-item-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 13:49:34,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 13:49:34,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 13:49:34,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-26 13:49:34,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 13:49:34,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 13:49:34,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 13:49:34,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 13:49:34,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 13:49:34,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 13:49:34,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 13:49:34,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 13:49:34,710 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 13:49:34,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 13:49:34,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 13:49:34,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 13:49:34,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 13:49:34,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-26 13:49:34,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 13:49:34,722 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 13:49:34,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 13:49:34,728 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf [2022-07-26 13:49:34,754 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 13:49:34,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 13:49:34,755 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 13:49:34,756 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 13:49:34,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 13:49:34,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 13:49:34,757 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 13:49:34,757 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 13:49:34,757 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 13:49:34,758 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 13:49:34,758 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 13:49:34,758 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 13:49:34,758 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 13:49:34,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 13:49:34,759 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 13:49:34,759 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 13:49:34,759 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 13:49:34,759 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 13:49:34,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 13:49:34,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 13:49:34,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 13:49:34,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 13:49:34,760 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 13:49:34,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 13:49:34,760 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 13:49:34,760 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 13:49:34,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 13:49:34,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 13:49:34,761 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 13:49:34,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 13:49:34,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 13:49:34,762 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 13:49:34,762 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 13:49:34,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 13:49:34,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 13:49:34,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 13:49:34,993 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 13:49:34,993 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 13:49:34,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-file-item-subst.wvr.c [2022-07-26 13:49:35,067 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ce6f209f/2b57fe3f28204fc59efd03b5faed12aa/FLAGfe671be23 [2022-07-26 13:49:35,503 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 13:49:35,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-subst.wvr.c [2022-07-26 13:49:35,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ce6f209f/2b57fe3f28204fc59efd03b5faed12aa/FLAGfe671be23 [2022-07-26 13:49:35,915 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ce6f209f/2b57fe3f28204fc59efd03b5faed12aa [2022-07-26 13:49:35,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 13:49:35,919 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 13:49:35,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 13:49:35,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 13:49:35,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 13:49:35,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:49:35" (1/1) ... [2022-07-26 13:49:35,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44be3142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:35, skipping insertion in model container [2022-07-26 13:49:35,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:49:35" (1/1) ... [2022-07-26 13:49:35,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 13:49:35,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 13:49:36,118 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/chl-file-item-subst.wvr.c[3015,3028] [2022-07-26 13:49:36,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:49:36,129 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 13:49:36,150 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/chl-file-item-subst.wvr.c[3015,3028] [2022-07-26 13:49:36,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:49:36,167 INFO L208 MainTranslator]: Completed translation [2022-07-26 13:49:36,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:36 WrapperNode [2022-07-26 13:49:36,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 13:49:36,169 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 13:49:36,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 13:49:36,169 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 13:49:36,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:36" (1/1) ... [2022-07-26 13:49:36,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:36" (1/1) ... [2022-07-26 13:49:36,208 INFO L137 Inliner]: procedures = 23, calls = 31, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 215 [2022-07-26 13:49:36,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 13:49:36,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 13:49:36,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 13:49:36,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 13:49:36,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:36" (1/1) ... [2022-07-26 13:49:36,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:36" (1/1) ... [2022-07-26 13:49:36,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:36" (1/1) ... [2022-07-26 13:49:36,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:36" (1/1) ... [2022-07-26 13:49:36,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:36" (1/1) ... [2022-07-26 13:49:36,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:36" (1/1) ... [2022-07-26 13:49:36,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:36" (1/1) ... [2022-07-26 13:49:36,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 13:49:36,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 13:49:36,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 13:49:36,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 13:49:36,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:36" (1/1) ... [2022-07-26 13:49:36,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:49:36,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:49:36,285 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) [2022-07-26 13:49:36,312 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 [2022-07-26 13:49:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 13:49:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-26 13:49:36,330 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-26 13:49:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-26 13:49:36,330 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-26 13:49:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-07-26 13:49:36,331 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-07-26 13:49:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 13:49:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 13:49:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 13:49:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 13:49:36,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 13:49:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 13:49:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 13:49:36,333 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-26 13:49:36,415 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 13:49:36,417 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 13:49:36,760 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 13:49:36,770 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 13:49:36,771 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-26 13:49:36,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:49:36 BoogieIcfgContainer [2022-07-26 13:49:36,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 13:49:36,774 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 13:49:36,774 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 13:49:36,778 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 13:49:36,778 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:49:36,779 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 01:49:35" (1/3) ... [2022-07-26 13:49:36,780 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a350084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:49:36, skipping insertion in model container [2022-07-26 13:49:36,780 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:49:36,780 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:36" (2/3) ... [2022-07-26 13:49:36,780 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a350084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:49:36, skipping insertion in model container [2022-07-26 13:49:36,780 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:49:36,781 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:49:36" (3/3) ... [2022-07-26 13:49:36,782 INFO L322 chiAutomizerObserver]: Analyzing ICFG chl-file-item-subst.wvr.c [2022-07-26 13:49:36,874 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-07-26 13:49:36,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 263 places, 282 transitions, 588 flow [2022-07-26 13:49:36,996 INFO L129 PetriNetUnfolder]: 26/276 cut-off events. [2022-07-26 13:49:36,996 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-07-26 13:49:37,006 INFO L84 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 276 events. 26/276 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 717 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 196. Up to 2 conditions per place. [2022-07-26 13:49:37,007 INFO L82 GeneralOperation]: Start removeDead. Operand has 263 places, 282 transitions, 588 flow [2022-07-26 13:49:37,023 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 260 places, 276 transitions, 570 flow [2022-07-26 13:49:37,026 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-26 13:49:37,036 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 260 places, 276 transitions, 570 flow [2022-07-26 13:49:37,039 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 260 places, 276 transitions, 570 flow [2022-07-26 13:49:37,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 260 places, 276 transitions, 570 flow [2022-07-26 13:49:37,110 INFO L129 PetriNetUnfolder]: 26/276 cut-off events. [2022-07-26 13:49:37,111 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-07-26 13:49:37,116 INFO L84 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 276 events. 26/276 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 736 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 196. Up to 2 conditions per place. [2022-07-26 13:49:37,132 INFO L116 LiptonReduction]: Number of co-enabled transitions 25134 [2022-07-26 13:49:45,343 INFO L131 LiptonReduction]: Checked pairs total: 22630 [2022-07-26 13:49:45,343 INFO L133 LiptonReduction]: Total number of compositions: 358 [2022-07-26 13:49:45,361 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 13:49:45,361 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 13:49:45,361 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 13:49:45,361 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 13:49:45,361 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 13:49:45,362 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 13:49:45,362 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 13:49:45,362 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 13:49:45,364 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 13:49:45,390 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:49:45,390 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 13:49:45,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 01:49:45 BoogieIcfgContainer [2022-07-26 13:49:45,395 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 13:49:45,396 INFO L158 Benchmark]: Toolchain (without parser) took 9476.22ms. Allocated memory was 187.7MB in the beginning and 311.4MB in the end (delta: 123.7MB). Free memory was 158.5MB in the beginning and 197.0MB in the end (delta: -38.5MB). Peak memory consumption was 85.2MB. Max. memory is 8.0GB. [2022-07-26 13:49:45,396 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 187.7MB. Free memory is still 143.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 13:49:45,397 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.62ms. Allocated memory was 187.7MB in the beginning and 259.0MB in the end (delta: 71.3MB). Free memory was 158.4MB in the beginning and 227.6MB in the end (delta: -69.2MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. [2022-07-26 13:49:45,397 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.57ms. Allocated memory is still 259.0MB. Free memory was 227.6MB in the beginning and 225.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-26 13:49:45,398 INFO L158 Benchmark]: Boogie Preprocessor took 25.47ms. Allocated memory is still 259.0MB. Free memory was 225.5MB in the beginning and 223.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 13:49:45,398 INFO L158 Benchmark]: RCFGBuilder took 538.12ms. Allocated memory is still 259.0MB. Free memory was 223.4MB in the beginning and 204.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-07-26 13:49:45,399 INFO L158 Benchmark]: BuchiAutomizer took 8620.42ms. Allocated memory was 259.0MB in the beginning and 311.4MB in the end (delta: 52.4MB). Free memory was 204.0MB in the beginning and 197.0MB in the end (delta: 7.0MB). Peak memory consumption was 60.4MB. Max. memory is 8.0GB. [2022-07-26 13:49:45,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 187.7MB. Free memory is still 143.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 247.62ms. Allocated memory was 187.7MB in the beginning and 259.0MB in the end (delta: 71.3MB). Free memory was 158.4MB in the beginning and 227.6MB in the end (delta: -69.2MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.57ms. Allocated memory is still 259.0MB. Free memory was 227.6MB in the beginning and 225.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.47ms. Allocated memory is still 259.0MB. Free memory was 225.5MB in the beginning and 223.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 538.12ms. Allocated memory is still 259.0MB. Free memory was 223.4MB in the beginning and 204.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * BuchiAutomizer took 8620.42ms. Allocated memory was 259.0MB in the beginning and 311.4MB in the end (delta: 52.4MB). Free memory was 204.0MB in the beginning and 197.0MB in the end (delta: 7.0MB). Peak memory consumption was 60.4MB. 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 8.4s 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: 8.4s - 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: 8.3s, 260 PlacesBefore, 26 PlacesAfterwards, 276 TransitionsBefore, 16 TransitionsAfterwards, 25134 CoEnabledTransitionPairs, 8 FixpointIterations, 77 TrivialSequentialCompositions, 177 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 71 ConcurrentYvCompositions, 26 ChoiceCompositions, 358 TotalNumberOfCompositions, 22630 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 22630, positive: 22630, positive conditional: 0, positive unconditional: 22630, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19314, positive: 19314, positive conditional: 0, positive unconditional: 19314, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19314, positive: 19314, positive conditional: 0, positive unconditional: 19314, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22630, positive: 3316, positive conditional: 0, positive unconditional: 3316, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 19314, unknown conditional: 0, unknown unconditional: 19314] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 30, Positive conditional cache size: 0, Positive unconditional cache size: 30, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2022-07-26 13:49:45,439 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 0 Received shutdown request...