/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-atomic/time_var_mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-21b0908 [2022-07-22 12:34:02,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:34:02,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:34:02,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-22 12:34:02,753 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 12:34:02,783 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:34:02,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:34:02,784 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:34:02,784 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:34:02,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:34:02,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:34:02,786 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:34:02,787 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 12:34:02,787 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 12:34:02,787 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 12:34:02,788 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 12:34:02,788 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 12:34:02,788 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 12:34:02,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:34:02,789 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:34:02,789 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 12:34:02,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:34:02,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:34:02,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:34:02,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 12:34:02,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 12:34:02,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 12:34:02,790 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:34:02,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:34:02,791 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 12:34:02,791 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:34:02,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 12:34:02,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:34:02,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:34:02,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:34:02,793 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:34:02,793 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-07-22 12:34:02,794 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 12:34:02,794 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-22 12:34:03,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:34:03,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:34:03,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:34:03,232 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:34:03,233 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:34:03,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2022-07-22 12:34:03,308 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bb08feb1/d7f9aa1855e64c2fb78ec1ff05aac65a/FLAG6e9e2ff5e [2022-07-22 12:34:04,063 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:34:04,064 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2022-07-22 12:34:04,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bb08feb1/d7f9aa1855e64c2fb78ec1ff05aac65a/FLAG6e9e2ff5e [2022-07-22 12:34:04,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bb08feb1/d7f9aa1855e64c2fb78ec1ff05aac65a [2022-07-22 12:34:04,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:34:04,337 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-22 12:34:04,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:34:04,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:34:04,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:34:04,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:34:04" (1/1) ... [2022-07-22 12:34:04,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44f6991c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:04, skipping insertion in model container [2022-07-22 12:34:04,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:34:04" (1/1) ... [2022-07-22 12:34:04,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:34:04,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:34:04,776 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-atomic/time_var_mutex.i[30247,30260] [2022-07-22 12:34:04,779 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-atomic/time_var_mutex.i[30452,30465] [2022-07-22 12:34:04,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:34:04,803 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:34:04,847 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-atomic/time_var_mutex.i[30247,30260] [2022-07-22 12:34:04,848 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-atomic/time_var_mutex.i[30452,30465] [2022-07-22 12:34:04,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:34:04,903 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:34:04,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:04 WrapperNode [2022-07-22 12:34:04,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:34:04,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:34:04,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:34:04,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:34:04,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:04" (1/1) ... [2022-07-22 12:34:04,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:04" (1/1) ... [2022-07-22 12:34:04,959 INFO L137 Inliner]: procedures = 169, calls = 34, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2022-07-22 12:34:04,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:34:04,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:34:04,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:34:04,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:34:04,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:04" (1/1) ... [2022-07-22 12:34:04,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:04" (1/1) ... [2022-07-22 12:34:04,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:04" (1/1) ... [2022-07-22 12:34:04,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:04" (1/1) ... [2022-07-22 12:34:04,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:04" (1/1) ... [2022-07-22 12:34:04,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:04" (1/1) ... [2022-07-22 12:34:04,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:04" (1/1) ... [2022-07-22 12:34:04,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:34:04,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:34:04,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:34:04,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:34:04,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:04" (1/1) ... [2022-07-22 12:34:05,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:34:05,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:34:05,035 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 12:34:05,063 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 12:34:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2022-07-22 12:34:05,109 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2022-07-22 12:34:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 12:34:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2022-07-22 12:34:05,110 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2022-07-22 12:34:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 12:34:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-07-22 12:34:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:34:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 12:34:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 12:34:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:34:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:34:05,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:34:05,113 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 12:34:05,235 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:34:05,238 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:34:05,562 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:34:05,575 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:34:05,576 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 12:34:05,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:34:05 BoogieIcfgContainer [2022-07-22 12:34:05,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:34:05,583 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 12:34:05,583 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 12:34:05,587 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 12:34:05,588 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:34:05,589 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 12:34:04" (1/3) ... [2022-07-22 12:34:05,590 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3aa896ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:34:05, skipping insertion in model container [2022-07-22 12:34:05,590 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:34:05,591 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:04" (2/3) ... [2022-07-22 12:34:05,591 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3aa896ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:34:05, skipping insertion in model container [2022-07-22 12:34:05,592 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:34:05,592 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:34:05" (3/3) ... [2022-07-22 12:34:05,593 INFO L322 chiAutomizerObserver]: Analyzing ICFG time_var_mutex.i [2022-07-22 12:34:05,755 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-07-22 12:34:05,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 102 transitions, 220 flow [2022-07-22 12:34:05,896 INFO L129 PetriNetUnfolder]: 5/98 cut-off events. [2022-07-22 12:34:05,899 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-22 12:34:05,904 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 98 events. 5/98 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 87 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 70. Up to 3 conditions per place. [2022-07-22 12:34:05,904 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 102 transitions, 220 flow [2022-07-22 12:34:05,913 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 100 places, 98 transitions, 208 flow [2022-07-22 12:34:05,917 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-07-22 12:34:05,929 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 98 transitions, 208 flow [2022-07-22 12:34:05,932 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 98 transitions, 208 flow [2022-07-22 12:34:05,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 100 places, 98 transitions, 208 flow [2022-07-22 12:34:05,955 INFO L129 PetriNetUnfolder]: 5/98 cut-off events. [2022-07-22 12:34:05,955 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-22 12:34:05,957 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 98 events. 5/98 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 90 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 70. Up to 3 conditions per place. [2022-07-22 12:34:05,959 INFO L116 LiptonReduction]: Number of co-enabled transitions 948 [2022-07-22 12:34:10,559 INFO L131 LiptonReduction]: Checked pairs total: 2976 [2022-07-22 12:34:10,560 INFO L133 LiptonReduction]: Total number of compositions: 81 [2022-07-22 12:34:10,590 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 12:34:10,590 INFO L301 stractBuchiCegarLoop]: Hoare is false [2022-07-22 12:34:10,590 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 12:34:10,591 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 12:34:10,592 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 12:34:10,592 INFO L305 stractBuchiCegarLoop]: Difference is false [2022-07-22 12:34:10,593 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 12:34:10,593 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 12:34:10,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-22 12:34:10,752 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 12:34:10,752 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-22 12:34:10,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 12:34:10 BoogieIcfgContainer [2022-07-22 12:34:10,759 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 12:34:10,765 INFO L158 Benchmark]: Toolchain (without parser) took 6428.19ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 128.1MB in the beginning and 131.8MB in the end (delta: -3.7MB). Peak memory consumption was 45.0MB. Max. memory is 8.0GB. [2022-07-22 12:34:10,766 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 155.2MB. Free memory is still 124.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-22 12:34:10,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 565.86ms. Allocated memory is still 155.2MB. Free memory was 127.9MB in the beginning and 109.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-07-22 12:34:10,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.89ms. Allocated memory is still 155.2MB. Free memory was 108.8MB in the beginning and 106.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-22 12:34:10,770 INFO L158 Benchmark]: Boogie Preprocessor took 30.14ms. Allocated memory is still 155.2MB. Free memory was 106.8MB in the beginning and 105.5MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-22 12:34:10,771 INFO L158 Benchmark]: RCFGBuilder took 589.81ms. Allocated memory is still 155.2MB. Free memory was 105.3MB in the beginning and 130.4MB in the end (delta: -25.1MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. [2022-07-22 12:34:10,773 INFO L158 Benchmark]: BuchiAutomizer took 5176.59ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 130.4MB in the beginning and 131.8MB in the end (delta: -1.4MB). Peak memory consumption was 46.3MB. Max. memory is 8.0GB. [2022-07-22 12:34:10,786 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 155.2MB. Free memory is still 124.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 565.86ms. Allocated memory is still 155.2MB. Free memory was 127.9MB in the beginning and 109.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.89ms. Allocated memory is still 155.2MB. Free memory was 108.8MB in the beginning and 106.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.14ms. Allocated memory is still 155.2MB. Free memory was 106.8MB in the beginning and 105.5MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 589.81ms. Allocated memory is still 155.2MB. Free memory was 105.3MB in the beginning and 130.4MB in the end (delta: -25.1MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. * BuchiAutomizer took 5176.59ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 130.4MB in the beginning and 131.8MB in the end (delta: -1.4MB). Peak memory consumption was 46.3MB. 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 4.9s 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: 4.7s - 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: 4.6s, 100 PlacesBefore, 29 PlacesAfterwards, 98 TransitionsBefore, 25 TransitionsAfterwards, 948 CoEnabledTransitionPairs, 7 FixpointIterations, 50 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 81 TotalNumberOfCompositions, 2976 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1686, positive: 1514, positive conditional: 0, positive unconditional: 1514, negative: 172, negative conditional: 0, negative unconditional: 172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 536, positive: 512, positive conditional: 0, positive unconditional: 512, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1686, positive: 1002, positive conditional: 0, positive unconditional: 1002, negative: 148, negative conditional: 0, negative unconditional: 148, unknown: 536, unknown conditional: 0, unknown unconditional: 536] , Statistics on independence cache: Total cache size (in pairs): 90, Positive cache size: 77, Positive conditional cache size: 0, Positive unconditional cache size: 77, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13 RESULT: Ultimate proved your program to be correct! [2022-07-22 12:34:10,852 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...