/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-21b0908 [2022-07-22 12:10:24,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:10:24,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:10:24,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-22 12:10:24,309 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf [2022-07-22 12:10:24,362 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:10:24,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:10:24,364 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:10:24,364 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:10:24,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:10:24,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:10:24,366 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:10:24,366 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 12:10:24,367 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 12:10:24,368 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 12:10:24,368 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 12:10:24,368 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 12:10:24,368 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 12:10:24,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:10:24,369 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:10:24,369 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 12:10:24,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:10:24,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:10:24,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:10:24,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 12:10:24,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 12:10:24,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 12:10:24,371 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:10:24,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:10:24,371 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 12:10:24,371 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:10:24,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 12:10:24,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:10:24,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:10:24,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:10:24,373 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:10:24,374 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 12:10:24,375 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-22 12:10:24,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:10:24,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:10:24,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:10:24,805 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:10:24,805 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:10:24,807 INFO L432 ainManager$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 12:10:24,875 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c372c02b3/5121f195defb48888d7fbe14c5e243e9/FLAG889bff2cc [2022-07-22 12:10:25,683 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:10:25,684 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2022-07-22 12:10:25,706 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c372c02b3/5121f195defb48888d7fbe14c5e243e9/FLAG889bff2cc [2022-07-22 12:10:25,915 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c372c02b3/5121f195defb48888d7fbe14c5e243e9 [2022-07-22 12:10:25,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:10:25,926 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-22 12:10:25,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:10:25,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:10:25,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:10:25,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:10:25" (1/1) ... [2022-07-22 12:10:25,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@302ab628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:10:25, skipping insertion in model container [2022-07-22 12:10:25,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:10:25" (1/1) ... [2022-07-22 12:10:25,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:10:26,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:10:26,362 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 12:10:26,365 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 12:10:26,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:10:26,388 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:10:26,431 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 12:10:26,433 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 12:10:26,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:10:26,485 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:10:26,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:10:26 WrapperNode [2022-07-22 12:10:26,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:10:26,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:10:26,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:10:26,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:10:26,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:10:26" (1/1) ... [2022-07-22 12:10:26,513 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:10:26" (1/1) ... [2022-07-22 12:10:26,552 INFO L137 Inliner]: procedures = 169, calls = 34, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2022-07-22 12:10:26,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:10:26,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:10:26,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:10:26,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:10:26,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:10:26" (1/1) ... [2022-07-22 12:10:26,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:10:26" (1/1) ... [2022-07-22 12:10:26,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:10:26" (1/1) ... [2022-07-22 12:10:26,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:10:26" (1/1) ... [2022-07-22 12:10:26,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:10:26" (1/1) ... [2022-07-22 12:10:26,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:10:26" (1/1) ... [2022-07-22 12:10:26,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:10:26" (1/1) ... [2022-07-22 12:10:26,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:10:26,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:10:26,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:10:26,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:10:26,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:10:26" (1/1) ... [2022-07-22 12:10:26,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:10:26,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:10:26,645 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 12:10:26,663 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 12:10:26,710 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2022-07-22 12:10:26,710 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2022-07-22 12:10:26,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 12:10:26,710 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2022-07-22 12:10:26,714 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2022-07-22 12:10:26,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 12:10:26,714 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-07-22 12:10:26,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:10:26,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 12:10:26,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 12:10:26,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:10:26,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:10:26,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:10:26,717 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 12:10:26,876 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:10:26,882 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:10:27,249 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:10:27,271 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:10:27,271 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 12:10:27,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:10:27 BoogieIcfgContainer [2022-07-22 12:10:27,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:10:27,276 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 12:10:27,276 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 12:10:27,281 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 12:10:27,282 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:10:27,283 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 12:10:25" (1/3) ... [2022-07-22 12:10:27,285 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f2291ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:10:27, skipping insertion in model container [2022-07-22 12:10:27,285 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:10:27,285 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:10:26" (2/3) ... [2022-07-22 12:10:27,287 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f2291ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:10:27, skipping insertion in model container [2022-07-22 12:10:27,287 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:10:27,287 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:10:27" (3/3) ... [2022-07-22 12:10:27,289 INFO L322 chiAutomizerObserver]: Analyzing ICFG time_var_mutex.i [2022-07-22 12:10:27,476 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-07-22 12:10:27,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 102 transitions, 220 flow [2022-07-22 12:10:27,642 INFO L129 PetriNetUnfolder]: 5/98 cut-off events. [2022-07-22 12:10:27,642 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-22 12:10:27,652 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 12:10:27,652 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 102 transitions, 220 flow [2022-07-22 12:10:27,666 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 100 places, 98 transitions, 208 flow [2022-07-22 12:10:27,672 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-22 12:10:27,703 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 98 transitions, 208 flow [2022-07-22 12:10:27,707 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 98 transitions, 208 flow [2022-07-22 12:10:27,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 100 places, 98 transitions, 208 flow [2022-07-22 12:10:27,764 INFO L129 PetriNetUnfolder]: 5/98 cut-off events. [2022-07-22 12:10:27,765 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-22 12:10:27,771 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 12:10:27,777 INFO L116 LiptonReduction]: Number of co-enabled transitions 948 [2022-07-22 12:10:32,615 INFO L131 LiptonReduction]: Checked pairs total: 2239 [2022-07-22 12:10:32,616 INFO L133 LiptonReduction]: Total number of compositions: 89 [2022-07-22 12:10:32,647 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 12:10:32,647 INFO L301 stractBuchiCegarLoop]: Hoare is false [2022-07-22 12:10:32,647 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 12:10:32,647 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 12:10:32,648 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 12:10:32,648 INFO L305 stractBuchiCegarLoop]: Difference is false [2022-07-22 12:10:32,648 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 12:10:32,648 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 12:10:32,651 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-22 12:10:32,721 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 12:10:32,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-22 12:10:32,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 12:10:32 BoogieIcfgContainer [2022-07-22 12:10:32,729 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 12:10:32,732 INFO L158 Benchmark]: Toolchain (without parser) took 6809.77ms. Allocated memory was 151.0MB in the beginning and 181.4MB in the end (delta: 30.4MB). Free memory was 124.2MB in the beginning and 82.7MB in the end (delta: 41.5MB). Peak memory consumption was 72.7MB. Max. memory is 8.0GB. [2022-07-22 12:10:32,733 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 151.0MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-22 12:10:32,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 555.92ms. Allocated memory is still 151.0MB. Free memory was 124.0MB in the beginning and 105.0MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-07-22 12:10:32,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.31ms. Allocated memory is still 151.0MB. Free memory was 104.8MB in the beginning and 102.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-22 12:10:32,738 INFO L158 Benchmark]: Boogie Preprocessor took 45.50ms. Allocated memory is still 151.0MB. Free memory was 102.8MB in the beginning and 101.5MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-22 12:10:32,739 INFO L158 Benchmark]: RCFGBuilder took 673.93ms. Allocated memory is still 151.0MB. Free memory was 101.5MB in the beginning and 124.6MB in the end (delta: -23.1MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. [2022-07-22 12:10:32,740 INFO L158 Benchmark]: BuchiAutomizer took 5452.74ms. Allocated memory was 151.0MB in the beginning and 181.4MB in the end (delta: 30.4MB). Free memory was 124.1MB in the beginning and 82.7MB in the end (delta: 41.4MB). Peak memory consumption was 71.7MB. Max. memory is 8.0GB. [2022-07-22 12:10:32,750 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 151.0MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 555.92ms. Allocated memory is still 151.0MB. Free memory was 124.0MB in the beginning and 105.0MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 67.31ms. Allocated memory is still 151.0MB. Free memory was 104.8MB in the beginning and 102.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.50ms. Allocated memory is still 151.0MB. Free memory was 102.8MB in the beginning and 101.5MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 673.93ms. Allocated memory is still 151.0MB. Free memory was 101.5MB in the beginning and 124.6MB in the end (delta: -23.1MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 5452.74ms. Allocated memory was 151.0MB in the beginning and 181.4MB in the end (delta: 30.4MB). Free memory was 124.1MB in the beginning and 82.7MB in the end (delta: 41.4MB). Peak memory consumption was 71.7MB. 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 5.2s 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: 5.1s - 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: 4.9s, 100 PlacesBefore, 27 PlacesAfterwards, 98 TransitionsBefore, 24 TransitionsAfterwards, 948 CoEnabledTransitionPairs, 6 FixpointIterations, 50 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 89 TotalNumberOfCompositions, 2239 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1470, positive: 1357, positive conditional: 0, positive unconditional: 1357, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 767, positive: 736, positive conditional: 0, positive unconditional: 736, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 767, positive: 691, positive conditional: 0, positive unconditional: 691, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 76, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1470, positive: 621, positive conditional: 0, positive unconditional: 621, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 767, unknown conditional: 0, unknown unconditional: 767] , Statistics on independence cache: Total cache size (in pairs): 133, Positive cache size: 119, Positive conditional cache size: 0, Positive unconditional cache size: 119, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14 RESULT: Ultimate proved your program to be correct! [2022-07-22 12:10:32,816 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...