/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-noLbe.epf -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1b.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 13:22:10,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 13:22:10,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 13:22:10,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-26 13:22:10,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 13:22:10,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 13:22:10,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 13:22:10,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 13:22:10,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 13:22:10,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 13:22:10,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 13:22:10,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 13:22:10,641 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 13:22:10,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 13:22:10,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 13:22:10,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 13:22:10,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 13:22:10,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-26 13:22:10,666 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2022-07-26 13:22:10,691 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 13:22:10,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 13:22:10,691 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 13:22:10,691 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 13:22:10,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 13:22:10,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 13:22:10,692 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 13:22:10,692 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 13:22:10,693 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 13:22:10,693 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 13:22:10,693 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 13:22:10,694 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 13:22:10,694 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 13:22:10,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 13:22:10,694 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 13:22:10,694 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 13:22:10,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 13:22:10,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 13:22:10,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 13:22:10,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 13:22:10,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 13:22:10,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 13:22:10,694 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 13:22:10,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 13:22:10,695 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 13:22:10,695 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 13:22:10,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 13:22:10,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 13:22:10,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 13:22:10,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 13:22:10,695 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 13:22:10,695 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-26 13:22:10,696 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 13:22:10,696 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 13:22:10,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 13:22:10,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 13:22:10,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 13:22:10,929 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 13:22:10,930 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 13:22:10,930 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1b.i [2022-07-26 13:22:10,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db381a6a9/cf46ff00fea74592ba07bc7c8fe12ac7/FLAG8d8bb233f [2022-07-26 13:22:11,365 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 13:22:11,366 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1b.i [2022-07-26 13:22:11,375 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db381a6a9/cf46ff00fea74592ba07bc7c8fe12ac7/FLAG8d8bb233f [2022-07-26 13:22:11,386 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db381a6a9/cf46ff00fea74592ba07bc7c8fe12ac7 [2022-07-26 13:22:11,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 13:22:11,389 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 13:22:11,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 13:22:11,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 13:22:11,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 13:22:11,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:22:11" (1/1) ... [2022-07-26 13:22:11,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3924cd25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:11, skipping insertion in model container [2022-07-26 13:22:11,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:22:11" (1/1) ... [2022-07-26 13:22:11,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 13:22:11,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 13:22:11,698 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/read_write_lock-1b.i[30416,30429] [2022-07-26 13:22:11,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:22:11,713 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 13:22:11,736 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/read_write_lock-1b.i[30416,30429] [2022-07-26 13:22:11,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:22:11,759 INFO L208 MainTranslator]: Completed translation [2022-07-26 13:22:11,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:11 WrapperNode [2022-07-26 13:22:11,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 13:22:11,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 13:22:11,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 13:22:11,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 13:22:11,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:11" (1/1) ... [2022-07-26 13:22:11,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:11" (1/1) ... [2022-07-26 13:22:11,789 INFO L137 Inliner]: procedures = 171, calls = 35, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 103 [2022-07-26 13:22:11,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 13:22:11,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 13:22:11,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 13:22:11,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 13:22:11,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:11" (1/1) ... [2022-07-26 13:22:11,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:11" (1/1) ... [2022-07-26 13:22:11,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:11" (1/1) ... [2022-07-26 13:22:11,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:11" (1/1) ... [2022-07-26 13:22:11,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:11" (1/1) ... [2022-07-26 13:22:11,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:11" (1/1) ... [2022-07-26 13:22:11,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:11" (1/1) ... [2022-07-26 13:22:11,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 13:22:11,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 13:22:11,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 13:22:11,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 13:22:11,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:11" (1/1) ... [2022-07-26 13:22:11,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:22:11,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:22:11,872 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 13:22:11,883 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 13:22:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 13:22:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 13:22:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 13:22:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2022-07-26 13:22:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2022-07-26 13:22:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 13:22:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 13:22:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 13:22:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 13:22:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 13:22:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2022-07-26 13:22:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2022-07-26 13:22:11,909 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 13:22:11,977 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 13:22:11,978 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 13:22:12,112 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 13:22:12,139 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 13:22:12,139 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-26 13:22:12,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:22:12 BoogieIcfgContainer [2022-07-26 13:22:12,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 13:22:12,142 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 13:22:12,142 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 13:22:12,145 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 13:22:12,145 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:22:12,146 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 01:22:11" (1/3) ... [2022-07-26 13:22:12,146 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a5fc26e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:22:12, skipping insertion in model container [2022-07-26 13:22:12,146 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:22:12,146 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:22:11" (2/3) ... [2022-07-26 13:22:12,147 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a5fc26e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:22:12, skipping insertion in model container [2022-07-26 13:22:12,147 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:22:12,147 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:22:12" (3/3) ... [2022-07-26 13:22:12,148 INFO L322 chiAutomizerObserver]: Analyzing ICFG read_write_lock-1b.i [2022-07-26 13:22:12,256 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-07-26 13:22:12,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 112 transitions, 256 flow [2022-07-26 13:22:12,335 INFO L129 PetriNetUnfolder]: 2/104 cut-off events. [2022-07-26 13:22:12,335 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-07-26 13:22:12,340 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 104 events. 2/104 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 71. Up to 2 conditions per place. [2022-07-26 13:22:12,340 INFO L82 GeneralOperation]: Start removeDead. Operand has 119 places, 112 transitions, 256 flow [2022-07-26 13:22:12,363 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 115 places, 104 transitions, 232 flow [2022-07-26 13:22:12,372 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 13:22:12,372 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 13:22:12,372 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 13:22:12,373 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 13:22:12,373 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 13:22:12,373 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 13:22:12,373 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 13:22:12,373 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 13:22:12,374 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 13:22:14,881 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:22:14,881 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 13:22:14,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 01:22:14 BoogieIcfgContainer [2022-07-26 13:22:14,885 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 13:22:14,887 INFO L158 Benchmark]: Toolchain (without parser) took 3496.79ms. Allocated memory was 218.1MB in the beginning and 1.1GB in the end (delta: 869.3MB). Free memory was 163.4MB in the beginning and 810.9MB in the end (delta: -647.4MB). Peak memory consumption was 269.1MB. Max. memory is 8.0GB. [2022-07-26 13:22:14,888 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 218.1MB. Free memory is still 181.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 13:22:14,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.46ms. Allocated memory was 218.1MB in the beginning and 285.2MB in the end (delta: 67.1MB). Free memory was 163.2MB in the beginning and 249.8MB in the end (delta: -86.6MB). Peak memory consumption was 6.5MB. Max. memory is 8.0GB. [2022-07-26 13:22:14,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.02ms. Allocated memory is still 285.2MB. Free memory was 249.8MB in the beginning and 247.7MB in the end (delta: 2.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 13:22:14,891 INFO L158 Benchmark]: Boogie Preprocessor took 15.33ms. Allocated memory is still 285.2MB. Free memory was 247.7MB in the beginning and 246.4MB in the end (delta: 1.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-07-26 13:22:14,891 INFO L158 Benchmark]: RCFGBuilder took 335.91ms. Allocated memory is still 285.2MB. Free memory was 246.1MB in the beginning and 231.0MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-07-26 13:22:14,892 INFO L158 Benchmark]: BuchiAutomizer took 2743.19ms. Allocated memory was 285.2MB in the beginning and 1.1GB in the end (delta: 802.2MB). Free memory was 231.0MB in the beginning and 810.9MB in the end (delta: -579.8MB). Peak memory consumption was 270.8MB. Max. memory is 8.0GB. [2022-07-26 13:22:14,899 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 218.1MB. Free memory is still 181.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 369.46ms. Allocated memory was 218.1MB in the beginning and 285.2MB in the end (delta: 67.1MB). Free memory was 163.2MB in the beginning and 249.8MB in the end (delta: -86.6MB). Peak memory consumption was 6.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.02ms. Allocated memory is still 285.2MB. Free memory was 249.8MB in the beginning and 247.7MB in the end (delta: 2.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.33ms. Allocated memory is still 285.2MB. Free memory was 247.7MB in the beginning and 246.4MB in the end (delta: 1.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 335.91ms. Allocated memory is still 285.2MB. Free memory was 246.1MB in the beginning and 231.0MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * BuchiAutomizer took 2743.19ms. Allocated memory was 285.2MB in the beginning and 1.1GB in the end (delta: 802.2MB). Free memory was 231.0MB in the beginning and 810.9MB in the end (delta: -579.8MB). Peak memory consumption was 270.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s 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: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-26 13:22:14,981 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...