/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/weaver/security.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-21b0908 [2022-07-22 12:51:40,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:51:40,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:51:40,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-22 12:51:40,186 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf [2022-07-22 12:51:40,214 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:51:40,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:51:40,215 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:51:40,215 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:51:40,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:51:40,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:51:40,217 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:51:40,217 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 12:51:40,217 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 12:51:40,217 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 12:51:40,217 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 12:51:40,218 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 12:51:40,218 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 12:51:40,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:51:40,218 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:51:40,218 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 12:51:40,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:51:40,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:51:40,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:51:40,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 12:51:40,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 12:51:40,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 12:51:40,220 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:51:40,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:51:40,220 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 12:51:40,220 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:51:40,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 12:51:40,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:51:40,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:51:40,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:51:40,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:51:40,222 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-07-22 12:51:40,223 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 12:51:40,223 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-22 12:51:40,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:51:40,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:51:40,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:51:40,669 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:51:40,670 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:51:40,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/security.wvr.c [2022-07-22 12:51:40,754 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3528d696a/779d433fff0b4b7fab611e53ef738eff/FLAG1ddb74cbd [2022-07-22 12:51:41,323 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:51:41,324 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/security.wvr.c [2022-07-22 12:51:41,331 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3528d696a/779d433fff0b4b7fab611e53ef738eff/FLAG1ddb74cbd [2022-07-22 12:51:41,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3528d696a/779d433fff0b4b7fab611e53ef738eff [2022-07-22 12:51:41,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:51:41,709 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-22 12:51:41,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:51:41,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:51:41,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:51:41,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:51:41" (1/1) ... [2022-07-22 12:51:41,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3079e3f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:41, skipping insertion in model container [2022-07-22 12:51:41,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:51:41" (1/1) ... [2022-07-22 12:51:41,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:51:41,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:51:41,925 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/security.wvr.c[1931,1944] [2022-07-22 12:51:41,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:51:41,936 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:51:41,957 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/security.wvr.c[1931,1944] [2022-07-22 12:51:41,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:51:41,976 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:51:41,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:41 WrapperNode [2022-07-22 12:51:41,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:51:41,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:51:41,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:51:41,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:51:41,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:41" (1/1) ... [2022-07-22 12:51:41,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:41" (1/1) ... [2022-07-22 12:51:42,021 INFO L137 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2022-07-22 12:51:42,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:51:42,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:51:42,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:51:42,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:51:42,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:41" (1/1) ... [2022-07-22 12:51:42,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:41" (1/1) ... [2022-07-22 12:51:42,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:41" (1/1) ... [2022-07-22 12:51:42,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:41" (1/1) ... [2022-07-22 12:51:42,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:41" (1/1) ... [2022-07-22 12:51:42,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:41" (1/1) ... [2022-07-22 12:51:42,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:41" (1/1) ... [2022-07-22 12:51:42,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:51:42,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:51:42,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:51:42,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:51:42,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:41" (1/1) ... [2022-07-22 12:51:42,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:42,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:42,106 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 12:51:42,123 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 12:51:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:51:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-22 12:51:42,179 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-22 12:51:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-22 12:51:42,180 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-22 12:51:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:51:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 12:51:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 12:51:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:51:42,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:51:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 12:51:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 12:51:42,183 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 12:51:42,293 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:51:42,295 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:51:42,493 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:51:42,504 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:51:42,505 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 12:51:42,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:51:42 BoogieIcfgContainer [2022-07-22 12:51:42,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:51:42,510 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 12:51:42,510 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 12:51:42,519 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 12:51:42,520 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:51:42,520 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 12:51:41" (1/3) ... [2022-07-22 12:51:42,521 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@750e1716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:51:42, skipping insertion in model container [2022-07-22 12:51:42,521 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:51:42,521 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:41" (2/3) ... [2022-07-22 12:51:42,522 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@750e1716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:51:42, skipping insertion in model container [2022-07-22 12:51:42,522 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:51:42,522 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:51:42" (3/3) ... [2022-07-22 12:51:42,528 INFO L322 chiAutomizerObserver]: Analyzing ICFG security.wvr.c [2022-07-22 12:51:42,699 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-07-22 12:51:42,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 82 transitions, 180 flow [2022-07-22 12:51:42,904 INFO L129 PetriNetUnfolder]: 3/78 cut-off events. [2022-07-22 12:51:42,905 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-22 12:51:42,916 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 78 events. 3/78 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 44 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2022-07-22 12:51:42,917 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 82 transitions, 180 flow [2022-07-22 12:51:42,933 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 82 places, 78 transitions, 168 flow [2022-07-22 12:51:42,939 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-07-22 12:51:42,957 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 78 transitions, 168 flow [2022-07-22 12:51:42,966 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 78 transitions, 168 flow [2022-07-22 12:51:42,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 78 transitions, 168 flow [2022-07-22 12:51:43,019 INFO L129 PetriNetUnfolder]: 3/78 cut-off events. [2022-07-22 12:51:43,019 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-22 12:51:43,023 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 78 events. 3/78 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2022-07-22 12:51:43,028 INFO L116 LiptonReduction]: Number of co-enabled transitions 500 [2022-07-22 12:51:45,858 INFO L131 LiptonReduction]: Checked pairs total: 470 [2022-07-22 12:51:45,859 INFO L133 LiptonReduction]: Total number of compositions: 79 [2022-07-22 12:51:45,883 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 12:51:45,883 INFO L301 stractBuchiCegarLoop]: Hoare is false [2022-07-22 12:51:45,884 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 12:51:45,884 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 12:51:45,884 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 12:51:45,884 INFO L305 stractBuchiCegarLoop]: Difference is false [2022-07-22 12:51:45,885 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 12:51:45,885 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 12:51:45,887 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-22 12:51:45,918 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 12:51:45,918 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-22 12:51:45,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 12:51:45 BoogieIcfgContainer [2022-07-22 12:51:45,924 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 12:51:45,926 INFO L158 Benchmark]: Toolchain (without parser) took 4220.30ms. Allocated memory was 160.4MB in the beginning and 199.2MB in the end (delta: 38.8MB). Free memory was 134.9MB in the beginning and 140.0MB in the end (delta: -5.1MB). Peak memory consumption was 35.0MB. Max. memory is 8.0GB. [2022-07-22 12:51:45,927 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 160.4MB. Free memory was 130.5MB in the beginning and 130.3MB in the end (delta: 157.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-07-22 12:51:45,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.76ms. Allocated memory is still 160.4MB. Free memory was 134.5MB in the beginning and 124.5MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-07-22 12:51:45,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.56ms. Allocated memory is still 160.4MB. Free memory was 124.3MB in the beginning and 122.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-22 12:51:45,930 INFO L158 Benchmark]: Boogie Preprocessor took 39.07ms. Allocated memory is still 160.4MB. Free memory was 122.8MB in the beginning and 121.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-22 12:51:45,931 INFO L158 Benchmark]: RCFGBuilder took 446.21ms. Allocated memory is still 160.4MB. Free memory was 121.7MB in the beginning and 110.4MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-07-22 12:51:45,932 INFO L158 Benchmark]: BuchiAutomizer took 3414.20ms. Allocated memory was 160.4MB in the beginning and 199.2MB in the end (delta: 38.8MB). Free memory was 110.4MB in the beginning and 140.0MB in the end (delta: -29.7MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. [2022-07-22 12:51:45,936 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 160.4MB. Free memory was 130.5MB in the beginning and 130.3MB in the end (delta: 157.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 264.76ms. Allocated memory is still 160.4MB. Free memory was 134.5MB in the beginning and 124.5MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.56ms. Allocated memory is still 160.4MB. Free memory was 124.3MB in the beginning and 122.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.07ms. Allocated memory is still 160.4MB. Free memory was 122.8MB in the beginning and 121.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 446.21ms. Allocated memory is still 160.4MB. Free memory was 121.7MB in the beginning and 110.4MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 3414.20ms. Allocated memory was 160.4MB in the beginning and 199.2MB in the end (delta: 38.8MB). Free memory was 110.4MB in the beginning and 140.0MB in the end (delta: -29.7MB). Peak memory consumption was 9.9MB. 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 3.1s 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: 3.1s - 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: 2.9s, 82 PlacesBefore, 18 PlacesAfterwards, 78 TransitionsBefore, 11 TransitionsAfterwards, 500 CoEnabledTransitionPairs, 6 FixpointIterations, 41 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 7 ConcurrentYvCompositions, 3 ChoiceCompositions, 79 TotalNumberOfCompositions, 470 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 470, positive: 470, positive conditional: 0, positive unconditional: 470, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 301, positive: 301, positive conditional: 0, positive unconditional: 301, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 470, positive: 169, positive conditional: 0, positive unconditional: 169, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 301, unknown conditional: 0, unknown unconditional: 301] , Statistics on independence cache: Total cache size (in pairs): 7, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2022-07-22 12:51:45,982 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...