/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-lit/qw2004-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 14:03:22,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 14:03:22,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 14:03:22,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-26 14:03:22,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 14:03:22,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 14:03:22,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 14:03:22,538 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 14:03:22,566 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 14:03:22,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 14:03:22,567 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 14:03:22,567 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 14:03:22,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 14:03:22,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 14:03:22,568 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 14:03:22,568 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 14:03:22,569 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 14:03:22,569 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 14:03:22,569 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 14:03:22,570 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 14:03:22,570 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 14:03:22,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 14:03:22,570 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 14:03:22,570 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 14:03:22,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 14:03:22,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 14:03:22,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 14:03:22,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 14:03:22,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 14:03:22,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 14:03:22,571 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 14:03:22,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 14:03:22,571 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 14:03:22,571 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 14:03:22,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 14:03:22,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 14:03:22,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 14:03:22,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 14:03:22,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 14:03:22,573 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-07-26 14:03:22,575 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 14:03:22,575 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 14:03:22,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 14:03:22,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 14:03:22,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 14:03:22,813 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 14:03:22,813 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 14:03:22,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/qw2004-2.i [2022-07-26 14:03:22,889 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/432ede37d/043a4b0c0f2c448dab3bc095c2dcbc2a/FLAGf79c866fe [2022-07-26 14:03:23,385 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 14:03:23,385 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004-2.i [2022-07-26 14:03:23,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/432ede37d/043a4b0c0f2c448dab3bc095c2dcbc2a/FLAGf79c866fe [2022-07-26 14:03:23,885 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/432ede37d/043a4b0c0f2c448dab3bc095c2dcbc2a [2022-07-26 14:03:23,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 14:03:23,888 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 14:03:23,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 14:03:23,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 14:03:23,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 14:03:23,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 02:03:23" (1/1) ... [2022-07-26 14:03:23,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d629666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:23, skipping insertion in model container [2022-07-26 14:03:23,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 02:03:23" (1/1) ... [2022-07-26 14:03:23,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 14:03:23,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 14:03:24,212 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-lit/qw2004-2.i[30003,30016] [2022-07-26 14:03:24,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 14:03:24,238 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 14:03:24,293 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-lit/qw2004-2.i[30003,30016] [2022-07-26 14:03:24,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 14:03:24,339 INFO L208 MainTranslator]: Completed translation [2022-07-26 14:03:24,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:24 WrapperNode [2022-07-26 14:03:24,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 14:03:24,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 14:03:24,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 14:03:24,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 14:03:24,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:24" (1/1) ... [2022-07-26 14:03:24,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:24" (1/1) ... [2022-07-26 14:03:24,400 INFO L137 Inliner]: procedures = 175, calls = 32, calls flagged for inlining = 9, calls inlined = 10, statements flattened = 109 [2022-07-26 14:03:24,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 14:03:24,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 14:03:24,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 14:03:24,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 14:03:24,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:24" (1/1) ... [2022-07-26 14:03:24,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:24" (1/1) ... [2022-07-26 14:03:24,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:24" (1/1) ... [2022-07-26 14:03:24,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:24" (1/1) ... [2022-07-26 14:03:24,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:24" (1/1) ... [2022-07-26 14:03:24,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:24" (1/1) ... [2022-07-26 14:03:24,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:24" (1/1) ... [2022-07-26 14:03:24,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 14:03:24,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 14:03:24,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 14:03:24,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 14:03:24,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:24" (1/1) ... [2022-07-26 14:03:24,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:03:24,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:03:24,464 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 14:03:24,475 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 14:03:24,500 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2022-07-26 14:03:24,500 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2022-07-26 14:03:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 14:03:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-26 14:03:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 14:03:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 14:03:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 14:03:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 14:03:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-26 14:03:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 14:03:24,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 14:03:24,503 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 14:03:24,601 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 14:03:24,602 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 14:03:24,796 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 14:03:24,821 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 14:03:24,821 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-26 14:03:24,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 02:03:24 BoogieIcfgContainer [2022-07-26 14:03:24,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 14:03:24,825 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 14:03:24,825 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 14:03:24,828 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 14:03:24,829 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:03:24,829 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 02:03:23" (1/3) ... [2022-07-26 14:03:24,830 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38d531ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 02:03:24, skipping insertion in model container [2022-07-26 14:03:24,830 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:03:24,830 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:03:24" (2/3) ... [2022-07-26 14:03:24,831 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38d531ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 02:03:24, skipping insertion in model container [2022-07-26 14:03:24,831 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:03:24,831 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 02:03:24" (3/3) ... [2022-07-26 14:03:24,832 INFO L322 chiAutomizerObserver]: Analyzing ICFG qw2004-2.i [2022-07-26 14:03:24,893 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-07-26 14:03:24,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 116 transitions, 237 flow [2022-07-26 14:03:24,961 INFO L129 PetriNetUnfolder]: 6/114 cut-off events. [2022-07-26 14:03:24,961 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-07-26 14:03:24,968 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 114 events. 6/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 114 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 89. Up to 2 conditions per place. [2022-07-26 14:03:24,968 INFO L82 GeneralOperation]: Start removeDead. Operand has 113 places, 116 transitions, 237 flow [2022-07-26 14:03:24,975 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 112 places, 114 transitions, 231 flow [2022-07-26 14:03:24,978 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-07-26 14:03:24,989 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 114 transitions, 231 flow [2022-07-26 14:03:24,992 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 114 transitions, 231 flow [2022-07-26 14:03:24,992 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 112 places, 114 transitions, 231 flow [2022-07-26 14:03:25,013 INFO L129 PetriNetUnfolder]: 6/114 cut-off events. [2022-07-26 14:03:25,014 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-07-26 14:03:25,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 114 events. 6/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 113 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 89. Up to 2 conditions per place. [2022-07-26 14:03:25,018 INFO L116 LiptonReduction]: Number of co-enabled transitions 3540 [2022-07-26 14:03:27,436 INFO L131 LiptonReduction]: Checked pairs total: 3716 [2022-07-26 14:03:27,437 INFO L133 LiptonReduction]: Total number of compositions: 123 [2022-07-26 14:03:27,451 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 14:03:27,451 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 14:03:27,452 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 14:03:27,452 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 14:03:27,452 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 14:03:27,452 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 14:03:27,452 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 14:03:27,452 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 14:03:27,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 14:03:27,483 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 14:03:27,484 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 14:03:27,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 02:03:27 BoogieIcfgContainer [2022-07-26 14:03:27,488 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 14:03:27,489 INFO L158 Benchmark]: Toolchain (without parser) took 3600.78ms. Allocated memory was 188.7MB in the beginning and 277.9MB in the end (delta: 89.1MB). Free memory was 157.5MB in the beginning and 147.3MB in the end (delta: 10.2MB). Peak memory consumption was 99.3MB. Max. memory is 8.0GB. [2022-07-26 14:03:27,490 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 188.7MB. Free memory is still 144.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 14:03:27,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.14ms. Allocated memory was 188.7MB in the beginning and 277.9MB in the end (delta: 89.1MB). Free memory was 157.3MB in the beginning and 236.9MB in the end (delta: -79.6MB). Peak memory consumption was 16.1MB. Max. memory is 8.0GB. [2022-07-26 14:03:27,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.75ms. Allocated memory is still 277.9MB. Free memory was 236.9MB in the beginning and 234.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-26 14:03:27,492 INFO L158 Benchmark]: Boogie Preprocessor took 30.41ms. Allocated memory is still 277.9MB. Free memory was 234.8MB in the beginning and 233.6MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 14:03:27,492 INFO L158 Benchmark]: RCFGBuilder took 390.94ms. Allocated memory is still 277.9MB. Free memory was 233.6MB in the beginning and 219.6MB in the end (delta: 14.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-07-26 14:03:27,493 INFO L158 Benchmark]: BuchiAutomizer took 2663.81ms. Allocated memory is still 277.9MB. Free memory was 219.6MB in the beginning and 147.3MB in the end (delta: 72.3MB). Peak memory consumption was 72.8MB. Max. memory is 8.0GB. [2022-07-26 14:03:27,495 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 188.7MB. Free memory is still 144.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 451.14ms. Allocated memory was 188.7MB in the beginning and 277.9MB in the end (delta: 89.1MB). Free memory was 157.3MB in the beginning and 236.9MB in the end (delta: -79.6MB). Peak memory consumption was 16.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.75ms. Allocated memory is still 277.9MB. Free memory was 236.9MB in the beginning and 234.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.41ms. Allocated memory is still 277.9MB. Free memory was 234.8MB in the beginning and 233.6MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 390.94ms. Allocated memory is still 277.9MB. Free memory was 233.6MB in the beginning and 219.6MB in the end (delta: 14.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 2663.81ms. Allocated memory is still 277.9MB. Free memory was 219.6MB in the beginning and 147.3MB in the end (delta: 72.3MB). Peak memory consumption was 72.8MB. 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 2.5s 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: 2.5s - 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: 2.4s, 112 PlacesBefore, 17 PlacesAfterwards, 114 TransitionsBefore, 15 TransitionsAfterwards, 3540 CoEnabledTransitionPairs, 6 FixpointIterations, 23 TrivialSequentialCompositions, 78 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 18 ConcurrentYvCompositions, 4 ChoiceCompositions, 123 TotalNumberOfCompositions, 3716 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3149, positive: 3065, positive conditional: 0, positive unconditional: 3065, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2115, positive: 2082, positive conditional: 0, positive unconditional: 2082, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3149, positive: 983, positive conditional: 0, positive unconditional: 983, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 2115, unknown conditional: 0, unknown unconditional: 2115] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8 RESULT: Ultimate proved your program to be correct! [2022-07-26 14:03:27,533 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...