/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-0d686a6 [2022-07-26 14:03:18,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 14:03:18,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 14:03:18,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-26 14:03:18,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 14:03:18,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 14:03:18,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 14:03:18,521 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 14:03:18,533 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 14:03:18,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 14:03:18,533 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 14:03:18,534 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 14:03:18,534 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 14:03:18,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 14:03:18,534 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 14:03:18,535 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 14:03:18,535 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 14:03:18,535 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 14:03:18,535 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 14:03:18,535 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 14:03:18,535 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 14:03:18,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 14:03:18,535 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 14:03:18,536 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 14:03:18,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 14:03:18,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 14:03:18,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 14:03:18,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 14:03:18,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 14:03:18,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 14:03:18,536 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 14:03:18,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 14:03:18,536 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 14:03:18,536 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 14:03:18,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 14:03:18,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 14:03:18,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 14:03:18,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 14:03:18,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 14:03:18,537 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-07-26 14:03:18,538 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 14:03:18,538 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 14:03:18,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 14:03:18,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 14:03:18,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 14:03:18,720 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 14:03:18,721 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 14:03:18,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2022-07-26 14:03:18,762 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44e824608/9c97f0548b7d4c6dbffd802138a5c1e0/FLAGc6737c2fc [2022-07-26 14:03:19,153 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 14:03:19,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2022-07-26 14:03:19,164 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44e824608/9c97f0548b7d4c6dbffd802138a5c1e0/FLAGc6737c2fc [2022-07-26 14:03:19,549 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44e824608/9c97f0548b7d4c6dbffd802138a5c1e0 [2022-07-26 14:03:19,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 14:03:19,551 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 14:03:19,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 14:03:19,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 14:03:19,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 14:03:19,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 02:03:19" (1/1) ... [2022-07-26 14:03:19,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f3aa4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:19, skipping insertion in model container [2022-07-26 14:03:19,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 02:03:19" (1/1) ... [2022-07-26 14:03:19,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 14:03:19,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 14:03:19,802 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] [2022-07-26 14:03:19,804 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] [2022-07-26 14:03:19,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 14:03:19,819 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 14:03:19,847 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] [2022-07-26 14:03:19,848 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] [2022-07-26 14:03:19,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 14:03:19,873 INFO L208 MainTranslator]: Completed translation [2022-07-26 14:03:19,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:19 WrapperNode [2022-07-26 14:03:19,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 14:03:19,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 14:03:19,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 14:03:19,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 14:03:19,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:19" (1/1) ... [2022-07-26 14:03:19,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:19" (1/1) ... [2022-07-26 14:03:19,903 INFO L137 Inliner]: procedures = 169, calls = 34, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2022-07-26 14:03:19,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 14:03:19,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 14:03:19,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 14:03:19,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 14:03:19,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:19" (1/1) ... [2022-07-26 14:03:19,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:19" (1/1) ... [2022-07-26 14:03:19,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:19" (1/1) ... [2022-07-26 14:03:19,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:19" (1/1) ... [2022-07-26 14:03:19,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:19" (1/1) ... [2022-07-26 14:03:19,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:19" (1/1) ... [2022-07-26 14:03:19,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:19" (1/1) ... [2022-07-26 14:03:19,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 14:03:19,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 14:03:19,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 14:03:19,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 14:03:19,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:19" (1/1) ... [2022-07-26 14:03:19,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:03:19,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:03:19,941 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 14:03:19,962 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 14:03:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2022-07-26 14:03:19,970 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2022-07-26 14:03:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 14:03:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2022-07-26 14:03:19,970 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2022-07-26 14:03:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 14:03:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-07-26 14:03:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 14:03:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 14:03:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 14:03:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 14:03:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 14:03:19,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 14:03:19,971 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 14:03:20,053 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 14:03:20,054 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 14:03:20,213 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 14:03:20,218 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 14:03:20,218 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-26 14:03:20,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 02:03:20 BoogieIcfgContainer [2022-07-26 14:03:20,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 14:03:20,220 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 14:03:20,220 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 14:03:20,222 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 14:03:20,223 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:03:20,223 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 02:03:19" (1/3) ... [2022-07-26 14:03:20,223 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a11eeef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 02:03:20, skipping insertion in model container [2022-07-26 14:03:20,223 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:03:20,223 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:19" (2/3) ... [2022-07-26 14:03:20,224 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a11eeef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 02:03:20, skipping insertion in model container [2022-07-26 14:03:20,224 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:03:20,224 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 02:03:20" (3/3) ... [2022-07-26 14:03:20,225 INFO L322 chiAutomizerObserver]: Analyzing ICFG time_var_mutex.i [2022-07-26 14:03:20,284 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-07-26 14:03:20,302 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 102 transitions, 220 flow [2022-07-26 14:03:20,324 INFO L129 PetriNetUnfolder]: 5/98 cut-off events. [2022-07-26 14:03:20,324 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-26 14:03:20,326 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. [2022-07-26 14:03:20,327 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 102 transitions, 220 flow [2022-07-26 14:03:20,330 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 100 places, 98 transitions, 208 flow [2022-07-26 14:03:20,334 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-07-26 14:03:20,340 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 98 transitions, 208 flow [2022-07-26 14:03:20,341 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 98 transitions, 208 flow [2022-07-26 14:03:20,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 100 places, 98 transitions, 208 flow [2022-07-26 14:03:20,354 INFO L129 PetriNetUnfolder]: 5/98 cut-off events. [2022-07-26 14:03:20,355 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-26 14:03:20,355 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. [2022-07-26 14:03:20,356 INFO L116 LiptonReduction]: Number of co-enabled transitions 948 [2022-07-26 14:03:23,332 INFO L131 LiptonReduction]: Checked pairs total: 2976 [2022-07-26 14:03:23,332 INFO L133 LiptonReduction]: Total number of compositions: 81 [2022-07-26 14:03:23,343 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 14:03:23,343 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 14:03:23,343 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 14:03:23,344 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 14:03:23,344 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 14:03:23,344 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 14:03:23,344 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 14:03:23,344 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 14:03:23,345 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 14:03:23,406 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 14:03:23,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 14:03:23,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 02:03:23 BoogieIcfgContainer [2022-07-26 14:03:23,409 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 14:03:23,410 INFO L158 Benchmark]: Toolchain (without parser) took 3858.75ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 141.6MB in the beginning and 137.0MB in the end (delta: 4.6MB). Peak memory consumption was 45.6MB. Max. memory is 8.0GB. [2022-07-26 14:03:23,410 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 192.9MB. Free memory is still 159.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 14:03:23,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.82ms. Allocated memory is still 192.9MB. Free memory was 141.5MB in the beginning and 157.7MB in the end (delta: -16.2MB). Peak memory consumption was 12.4MB. Max. memory is 8.0GB. [2022-07-26 14:03:23,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.13ms. Allocated memory is still 192.9MB. Free memory was 157.7MB in the beginning and 155.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-26 14:03:23,412 INFO L158 Benchmark]: Boogie Preprocessor took 13.98ms. Allocated memory is still 192.9MB. Free memory was 155.6MB in the beginning and 154.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 14:03:23,412 INFO L158 Benchmark]: RCFGBuilder took 301.31ms. Allocated memory is still 192.9MB. Free memory was 154.1MB in the beginning and 140.9MB in the end (delta: 13.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-07-26 14:03:23,412 INFO L158 Benchmark]: BuchiAutomizer took 3189.63ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 140.9MB in the beginning and 137.0MB in the end (delta: 3.9MB). Peak memory consumption was 44.7MB. Max. memory is 8.0GB. [2022-07-26 14:03:23,414 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 192.9MB. Free memory is still 159.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 315.82ms. Allocated memory is still 192.9MB. Free memory was 141.5MB in the beginning and 157.7MB in the end (delta: -16.2MB). Peak memory consumption was 12.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.13ms. Allocated memory is still 192.9MB. Free memory was 157.7MB in the beginning and 155.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.98ms. Allocated memory is still 192.9MB. Free memory was 155.6MB in the beginning and 154.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 301.31ms. Allocated memory is still 192.9MB. Free memory was 154.1MB in the beginning and 140.9MB in the end (delta: 13.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 3189.63ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 140.9MB in the beginning and 137.0MB in the end (delta: 3.9MB). Peak memory consumption was 44.7MB. 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: 3.0s - 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: 3.0s, 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! [2022-07-26 14:03:23,444 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...