/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/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.fairness.type.for.concurrent.programs FAIRNESS_INTERSECTION -i ../../../trunk/examples/svcomp/pthread-atomic/dekker.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.me.fairness-42053ae-m [2023-09-08 14:39:29,999 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-09-08 14:39:30,043 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2023-09-08 14:39:30,061 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-08 14:39:30,062 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-08 14:39:30,062 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-08 14:39:30,063 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-08 14:39:30,064 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-09-08 14:39:30,064 INFO L137 SettingsManager]: * Use SBE=true [2023-09-08 14:39:30,064 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-09-08 14:39:30,065 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-09-08 14:39:30,065 INFO L137 SettingsManager]: * Use old map elimination=false [2023-09-08 14:39:30,065 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-09-08 14:39:30,066 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-09-08 14:39:30,066 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-09-08 14:39:30,066 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-08 14:39:30,067 INFO L137 SettingsManager]: * sizeof long=4 [2023-09-08 14:39:30,067 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-09-08 14:39:30,067 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-08 14:39:30,068 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-09-08 14:39:30,068 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-09-08 14:39:30,069 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-09-08 14:39:30,069 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-09-08 14:39:30,069 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-09-08 14:39:30,069 INFO L137 SettingsManager]: * sizeof long double=12 [2023-09-08 14:39:30,070 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-09-08 14:39:30,070 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-09-08 14:39:30,070 INFO L137 SettingsManager]: * Use constant arrays=true [2023-09-08 14:39:30,071 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-09-08 14:39:30,071 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-08 14:39:30,071 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-08 14:39:30,072 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-08 14:39:30,072 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-08 14:39:30,072 INFO L137 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-08 14:39:30,073 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-09-08 14:39:30,073 INFO L137 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Fairness type for concurrent programs -> FAIRNESS_INTERSECTION [2023-09-08 14:39:30,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-08 14:39:30,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-08 14:39:30,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-08 14:39:30,279 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-08 14:39:30,280 INFO L274 PluginConnector]: CDTParser initialized [2023-09-08 14:39:30,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/dekker.i [2023-09-08 14:39:31,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-08 14:39:31,726 INFO L384 CDTParser]: Found 1 translation units. [2023-09-08 14:39:31,727 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i [2023-09-08 14:39:31,741 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/070865f54/b86543de572340a1b5842519536f7951/FLAG8ac6c4e5e [2023-09-08 14:39:31,756 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/070865f54/b86543de572340a1b5842519536f7951 [2023-09-08 14:39:31,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-08 14:39:31,761 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-08 14:39:31,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-08 14:39:31,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-08 14:39:31,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-08 14:39:31,769 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:39:31" (1/1) ... [2023-09-08 14:39:31,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52133122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:39:31, skipping insertion in model container [2023-09-08 14:39:31,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:39:31" (1/1) ... [2023-09-08 14:39:31,777 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-08 14:39:31,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-08 14:39:31,996 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-09-08 14:39:32,130 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i[31403,31416] [2023-09-08 14:39:32,135 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i[32483,32496] [2023-09-08 14:39:32,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 14:39:32,156 INFO L203 MainTranslator]: Completed pre-run [2023-09-08 14:39:32,180 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-09-08 14:39:32,206 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i[31403,31416] [2023-09-08 14:39:32,208 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i[32483,32496] [2023-09-08 14:39:32,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 14:39:32,245 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-08 14:39:32,245 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-08 14:39:32,245 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-09-08 14:39:32,251 INFO L208 MainTranslator]: Completed translation [2023-09-08 14:39:32,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:39:32 WrapperNode [2023-09-08 14:39:32,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-08 14:39:32,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-08 14:39:32,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-08 14:39:32,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-08 14:39:32,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:39:32" (1/1) ... [2023-09-08 14:39:32,284 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:39:32" (1/1) ... [2023-09-08 14:39:32,298 INFO L138 Inliner]: procedures = 172, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2023-09-08 14:39:32,299 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-08 14:39:32,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-08 14:39:32,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-08 14:39:32,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-08 14:39:32,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:39:32" (1/1) ... [2023-09-08 14:39:32,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:39:32" (1/1) ... [2023-09-08 14:39:32,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:39:32" (1/1) ... [2023-09-08 14:39:32,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:39:32" (1/1) ... [2023-09-08 14:39:32,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:39:32" (1/1) ... [2023-09-08 14:39:32,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:39:32" (1/1) ... [2023-09-08 14:39:32,319 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:39:32" (1/1) ... [2023-09-08 14:39:32,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:39:32" (1/1) ... [2023-09-08 14:39:32,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-08 14:39:32,324 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-08 14:39:32,324 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-08 14:39:32,324 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-08 14:39:32,325 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:39:32" (1/1) ... [2023-09-08 14:39:32,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-08 14:39:32,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 14:39:32,374 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) [2023-09-08 14:39:32,399 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 [2023-09-08 14:39:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-08 14:39:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-09-08 14:39:32,415 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-09-08 14:39:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-09-08 14:39:32,415 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-09-08 14:39:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-08 14:39:32,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-08 14:39:32,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-08 14:39:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-08 14:39:32,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-08 14:39:32,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-08 14:39:32,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-08 14:39:32,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-08 14:39:32,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-08 14:39:32,420 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-08 14:39:32,572 INFO L236 CfgBuilder]: Building ICFG [2023-09-08 14:39:32,573 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-08 14:39:32,820 INFO L277 CfgBuilder]: Performing block encoding [2023-09-08 14:39:32,826 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-08 14:39:32,826 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-09-08 14:39:32,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:39:32 BoogieIcfgContainer [2023-09-08 14:39:32,829 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-08 14:39:32,829 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-09-08 14:39:32,829 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-09-08 14:39:32,834 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-09-08 14:39:32,835 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-09-08 14:39:32,835 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.09 02:39:31" (1/3) ... [2023-09-08 14:39:32,836 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c94d775 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.09 02:39:32, skipping insertion in model container [2023-09-08 14:39:32,836 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-09-08 14:39:32,837 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:39:32" (2/3) ... [2023-09-08 14:39:32,838 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c94d775 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.09 02:39:32, skipping insertion in model container [2023-09-08 14:39:32,838 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-09-08 14:39:32,838 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:39:32" (3/3) ... [2023-09-08 14:39:32,839 INFO L332 chiAutomizerObserver]: Analyzing ICFG dekker.i [2023-09-08 14:39:32,956 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-08 14:39:32,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 92 places, 100 transitions, 216 flow [2023-09-08 14:39:33,035 INFO L124 PetriNetUnfolderBase]: 13/96 cut-off events. [2023-09-08 14:39:33,036 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-09-08 14:39:33,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 96 events. 13/96 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 142 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2023-09-08 14:39:33,042 INFO L82 GeneralOperation]: Start removeDead. Operand has 92 places, 100 transitions, 216 flow [2023-09-08 14:39:33,051 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 90 places, 96 transitions, 204 flow [2023-09-08 14:39:33,067 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-09-08 14:39:33,067 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-09-08 14:39:33,068 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-09-08 14:39:33,068 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-09-08 14:39:33,068 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-09-08 14:39:33,068 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-09-08 14:39:33,068 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-09-08 14:39:33,068 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-09-08 14:39:33,070 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand null [2023-09-08 14:39:33,969 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-09-08 14:39:33,969 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-09-08 14:39:33,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.09 02:39:33 BoogieIcfgContainer [2023-09-08 14:39:33,984 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-09-08 14:39:33,986 INFO L158 Benchmark]: Toolchain (without parser) took 2223.95ms. Allocated memory is still 256.9MB. Free memory was 209.2MB in the beginning and 189.3MB in the end (delta: 19.9MB). Peak memory consumption was 151.0MB. Max. memory is 8.0GB. [2023-09-08 14:39:33,986 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 194.0MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-09-08 14:39:33,987 INFO L158 Benchmark]: CACSL2BoogieTranslator took 490.08ms. Allocated memory is still 256.9MB. Free memory was 208.7MB in the beginning and 188.7MB in the end (delta: 20.0MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-09-08 14:39:33,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.97ms. Allocated memory is still 256.9MB. Free memory was 188.7MB in the beginning and 186.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-09-08 14:39:33,989 INFO L158 Benchmark]: Boogie Preprocessor took 23.76ms. Allocated memory is still 256.9MB. Free memory was 186.7MB in the beginning and 185.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-09-08 14:39:33,989 INFO L158 Benchmark]: RCFGBuilder took 505.01ms. Allocated memory is still 256.9MB. Free memory was 185.1MB in the beginning and 170.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-09-08 14:39:33,990 INFO L158 Benchmark]: BuchiAutomizer took 1155.18ms. Allocated memory is still 256.9MB. Free memory was 170.4MB in the beginning and 189.3MB in the end (delta: -18.9MB). Peak memory consumption was 112.2MB. Max. memory is 8.0GB. [2023-09-08 14:39:33,996 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 194.0MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 490.08ms. Allocated memory is still 256.9MB. Free memory was 208.7MB in the beginning and 188.7MB in the end (delta: 20.0MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.97ms. Allocated memory is still 256.9MB. Free memory was 188.7MB in the beginning and 186.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.76ms. Allocated memory is still 256.9MB. Free memory was 186.7MB in the beginning and 185.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 505.01ms. Allocated memory is still 256.9MB. Free memory was 185.1MB in the beginning and 170.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * BuchiAutomizer took 1155.18ms. Allocated memory is still 256.9MB. Free memory was 170.4MB in the beginning and 189.3MB in the end (delta: -18.9MB). Peak memory consumption was 112.2MB. 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 0.9s 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: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-09-08 14:39:34,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...