/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-syntacticLbe.epf -i ../../../trunk/examples/svcomp/pthread-lit/qw2004-2b.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 14:03:22,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 14:03:22,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 14:03:22,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-26 14:03:22,950 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf [2022-07-26 14:03:22,976 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 14:03:22,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 14:03:22,977 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 14:03:22,977 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 14:03:22,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 14:03:22,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 14:03:22,978 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 14:03:22,978 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 14:03:22,978 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 14:03:22,979 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 14:03:22,979 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 14:03:22,979 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 14:03:22,979 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 14:03:22,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 14:03:22,980 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 14:03:22,980 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 14:03:22,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 14:03:22,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 14:03:22,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 14:03:22,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 14:03:22,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 14:03:22,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 14:03:22,981 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 14:03:22,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 14:03:22,981 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 14:03:22,981 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 14:03:22,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 14:03:22,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 14:03:22,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 14:03:22,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 14:03:22,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 14:03:22,982 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-07-26 14:03:22,983 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 14:03:22,983 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 14:03:23,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 14:03:23,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 14:03:23,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 14:03:23,224 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 14:03:23,225 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 14:03:23,225 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/qw2004-2b.i [2022-07-26 14:03:23,273 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18877f4f2/ad6ecc4e82574c2dbb3bbf98808440b9/FLAGac5a5d0d2 [2022-07-26 14:03:23,687 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 14:03:23,688 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004-2b.i [2022-07-26 14:03:23,698 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18877f4f2/ad6ecc4e82574c2dbb3bbf98808440b9/FLAGac5a5d0d2 [2022-07-26 14:03:23,707 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18877f4f2/ad6ecc4e82574c2dbb3bbf98808440b9 [2022-07-26 14:03:23,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 14:03:23,710 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 14:03:23,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 14:03:23,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 14:03:23,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 14:03:23,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 02:03:23" (1/1) ... [2022-07-26 14:03:23,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c164b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:23, skipping insertion in model container [2022-07-26 14:03:23,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 02:03:23" (1/1) ... [2022-07-26 14:03:23,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 14:03:23,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 14:03:24,148 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-lit/qw2004-2b.i[30003,30016] [2022-07-26 14:03:24,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 14:03:24,172 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 14:03:24,217 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-lit/qw2004-2b.i[30003,30016] [2022-07-26 14:03:24,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 14:03:24,260 INFO L208 MainTranslator]: Completed translation [2022-07-26 14:03:24,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:24 WrapperNode [2022-07-26 14:03:24,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 14:03:24,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 14:03:24,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 14:03:24,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 14:03:24,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:24" (1/1) ... [2022-07-26 14:03:24,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:24" (1/1) ... [2022-07-26 14:03:24,323 INFO L137 Inliner]: procedures = 175, calls = 36, calls flagged for inlining = 9, calls inlined = 10, statements flattened = 114 [2022-07-26 14:03:24,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 14:03:24,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 14:03:24,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 14:03:24,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 14:03:24,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:24" (1/1) ... [2022-07-26 14:03:24,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:24" (1/1) ... [2022-07-26 14:03:24,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:24" (1/1) ... [2022-07-26 14:03:24,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:24" (1/1) ... [2022-07-26 14:03:24,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:24" (1/1) ... [2022-07-26 14:03:24,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:24" (1/1) ... [2022-07-26 14:03:24,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:24" (1/1) ... [2022-07-26 14:03:24,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 14:03:24,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 14:03:24,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 14:03:24,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 14:03:24,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:24" (1/1) ... [2022-07-26 14:03:24,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:03:24,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:03:24,424 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 14:03:24,446 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 14:03:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2022-07-26 14:03:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2022-07-26 14:03:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 14:03:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-26 14:03:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 14:03:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 14:03:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 14:03:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 14:03:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-26 14:03:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 14:03:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 14:03:24,469 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 14:03:24,623 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 14:03:24,627 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 14:03:24,798 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 14:03:24,818 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 14:03:24,819 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-26 14:03:24,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 02:03:24 BoogieIcfgContainer [2022-07-26 14:03:24,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 14:03:24,822 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 14:03:24,822 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 14:03:24,825 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 14:03:24,826 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:03:24,826 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 02:03:23" (1/3) ... [2022-07-26 14:03:24,826 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a99d164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 02:03:24, skipping insertion in model container [2022-07-26 14:03:24,827 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:03:24,827 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:24" (2/3) ... [2022-07-26 14:03:24,827 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a99d164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 02:03:24, skipping insertion in model container [2022-07-26 14:03:24,827 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:03:24,827 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 02:03:24" (3/3) ... [2022-07-26 14:03:24,828 INFO L322 chiAutomizerObserver]: Analyzing ICFG qw2004-2b.i [2022-07-26 14:03:24,883 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-07-26 14:03:24,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 114 places, 117 transitions, 239 flow [2022-07-26 14:03:24,944 INFO L129 PetriNetUnfolder]: 6/115 cut-off events. [2022-07-26 14:03:24,944 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-07-26 14:03:24,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 115 events. 6/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 116 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2022-07-26 14:03:24,950 INFO L82 GeneralOperation]: Start removeDead. Operand has 114 places, 117 transitions, 239 flow [2022-07-26 14:03:24,958 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 113 places, 115 transitions, 233 flow [2022-07-26 14:03:24,961 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-07-26 14:03:24,968 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 115 transitions, 233 flow [2022-07-26 14:03:24,971 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 115 transitions, 233 flow [2022-07-26 14:03:24,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 115 transitions, 233 flow [2022-07-26 14:03:25,002 INFO L129 PetriNetUnfolder]: 6/115 cut-off events. [2022-07-26 14:03:25,002 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-07-26 14:03:25,003 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 115 events. 6/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 122 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2022-07-26 14:03:25,006 INFO L116 LiptonReduction]: Number of co-enabled transitions 3600 [2022-07-26 14:03:27,352 INFO L131 LiptonReduction]: Checked pairs total: 4110 [2022-07-26 14:03:27,352 INFO L133 LiptonReduction]: Total number of compositions: 126 [2022-07-26 14:03:27,367 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 14:03:27,367 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 14:03:27,367 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 14:03:27,367 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 14:03:27,367 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 14:03:27,367 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 14:03:27,367 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 14:03:27,368 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 14:03:27,369 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 14:03:27,405 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 14:03:27,405 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 14:03:27,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 02:03:27 BoogieIcfgContainer [2022-07-26 14:03:27,409 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 14:03:27,410 INFO L158 Benchmark]: Toolchain (without parser) took 3699.70ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 120.4MB in the beginning and 123.6MB in the end (delta: -3.2MB). Peak memory consumption was 78.7MB. Max. memory is 8.0GB. [2022-07-26 14:03:27,410 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 182.5MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 14:03:27,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 549.70ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 120.1MB in the beginning and 223.2MB in the end (delta: -103.0MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. [2022-07-26 14:03:27,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.93ms. Allocated memory is still 264.2MB. Free memory was 223.2MB in the beginning and 221.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-26 14:03:27,412 INFO L158 Benchmark]: Boogie Preprocessor took 23.75ms. Allocated memory is still 264.2MB. Free memory was 221.1MB in the beginning and 219.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 14:03:27,417 INFO L158 Benchmark]: RCFGBuilder took 472.41ms. Allocated memory is still 264.2MB. Free memory was 219.5MB in the beginning and 205.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-07-26 14:03:27,419 INFO L158 Benchmark]: BuchiAutomizer took 2587.48ms. Allocated memory is still 264.2MB. Free memory was 205.3MB in the beginning and 123.6MB in the end (delta: 81.7MB). Peak memory consumption was 82.3MB. Max. memory is 8.0GB. [2022-07-26 14:03:27,425 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 182.5MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 549.70ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 120.1MB in the beginning and 223.2MB in the end (delta: -103.0MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.93ms. Allocated memory is still 264.2MB. Free memory was 223.2MB in the beginning and 221.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.75ms. Allocated memory is still 264.2MB. Free memory was 221.1MB in the beginning and 219.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 472.41ms. Allocated memory is still 264.2MB. Free memory was 219.5MB in the beginning and 205.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * BuchiAutomizer took 2587.48ms. Allocated memory is still 264.2MB. Free memory was 205.3MB in the beginning and 123.6MB in the end (delta: 81.7MB). Peak memory consumption was 82.3MB. 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 2.5s 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: 2.4s - 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: 2.4s, 113 PlacesBefore, 18 PlacesAfterwards, 115 TransitionsBefore, 17 TransitionsAfterwards, 3600 CoEnabledTransitionPairs, 6 FixpointIterations, 23 TrivialSequentialCompositions, 76 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 24 ConcurrentYvCompositions, 3 ChoiceCompositions, 126 TotalNumberOfCompositions, 4110 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3329, positive: 3227, positive conditional: 0, positive unconditional: 3227, negative: 102, negative conditional: 0, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2108, positive: 2069, positive conditional: 0, positive unconditional: 2069, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3329, positive: 1158, positive conditional: 0, positive unconditional: 1158, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 2108, unknown conditional: 0, unknown unconditional: 2108] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10 RESULT: Ultimate proved your program to be correct! [2022-07-26 14:03:27,452 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...