/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-lit/qw2004-2b.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-21b0908 [2022-07-22 11:40:04,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 11:40:04,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 11:40:04,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 11:40:04,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 11:40:04,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 11:40:04,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 11:40:04,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 11:40:04,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 11:40:04,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 11:40:04,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 11:40:04,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 11:40:04,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 11:40:04,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 11:40:04,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 11:40:04,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 11:40:04,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 11:40:04,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 11:40:04,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 11:40:04,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 11:40:04,815 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 11:40:04,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 11:40:04,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 11:40:04,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 11:40:04,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 11:40:04,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-22 11:40:04,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 11:40:04,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 11:40:04,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 11:40:04,832 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 11:40:04,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 11:40:04,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 11:40:04,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 11:40:04,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 11:40:04,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 11:40:04,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 11:40:04,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 11:40:04,838 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2022-07-22 11:40:04,869 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 11:40:04,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 11:40:04,870 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 11:40:04,870 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 11:40:04,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 11:40:04,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 11:40:04,872 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 11:40:04,873 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 11:40:04,873 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 11:40:04,873 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 11:40:04,873 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 11:40:04,874 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 11:40:04,874 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 11:40:04,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 11:40:04,874 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 11:40:04,875 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 11:40:04,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 11:40:04,875 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 11:40:04,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 11:40:04,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 11:40:04,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 11:40:04,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 11:40:04,876 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 11:40:04,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 11:40:04,877 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 11:40:04,877 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 11:40:04,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 11:40:04,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 11:40:04,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 11:40:04,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 11:40:04,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 11:40:04,879 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 11:40:04,880 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 11:40:04,880 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-22 11:40:05,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 11:40:05,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 11:40:05,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 11:40:05,374 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 11:40:05,376 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 11:40:05,378 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/qw2004-2b.i [2022-07-22 11:40:05,473 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80607e20d/8422b7af7c1c4c35b241940e22a6b5e0/FLAG38d6bf9ae [2022-07-22 11:40:06,267 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 11:40:06,267 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004-2b.i [2022-07-22 11:40:06,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80607e20d/8422b7af7c1c4c35b241940e22a6b5e0/FLAG38d6bf9ae [2022-07-22 11:40:06,509 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80607e20d/8422b7af7c1c4c35b241940e22a6b5e0 [2022-07-22 11:40:06,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 11:40:06,520 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-22 11:40:06,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 11:40:06,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 11:40:06,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 11:40:06,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:40:06" (1/1) ... [2022-07-22 11:40:06,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30489115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:40:06, skipping insertion in model container [2022-07-22 11:40:06,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:40:06" (1/1) ... [2022-07-22 11:40:06,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 11:40:06,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 11:40:07,009 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/qw2004-2b.i[30003,30016] [2022-07-22 11:40:07,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 11:40:07,069 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 11:40:07,170 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/qw2004-2b.i[30003,30016] [2022-07-22 11:40:07,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 11:40:07,238 INFO L208 MainTranslator]: Completed translation [2022-07-22 11:40:07,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:40:07 WrapperNode [2022-07-22 11:40:07,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 11:40:07,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 11:40:07,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 11:40:07,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 11:40:07,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:40:07" (1/1) ... [2022-07-22 11:40:07,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:40:07" (1/1) ... [2022-07-22 11:40:07,309 INFO L137 Inliner]: procedures = 175, calls = 36, calls flagged for inlining = 9, calls inlined = 10, statements flattened = 114 [2022-07-22 11:40:07,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 11:40:07,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 11:40:07,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 11:40:07,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 11:40:07,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:40:07" (1/1) ... [2022-07-22 11:40:07,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:40:07" (1/1) ... [2022-07-22 11:40:07,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:40:07" (1/1) ... [2022-07-22 11:40:07,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:40:07" (1/1) ... [2022-07-22 11:40:07,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:40:07" (1/1) ... [2022-07-22 11:40:07,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:40:07" (1/1) ... [2022-07-22 11:40:07,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:40:07" (1/1) ... [2022-07-22 11:40:07,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 11:40:07,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 11:40:07,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 11:40:07,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 11:40:07,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:40:07" (1/1) ... [2022-07-22 11:40:07,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 11:40:07,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:40:07,388 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 11:40:07,403 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 11:40:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2022-07-22 11:40:07,474 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2022-07-22 11:40:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 11:40:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-22 11:40:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 11:40:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 11:40:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 11:40:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 11:40:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-22 11:40:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 11:40:07,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 11:40:07,498 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 11:40:07,620 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 11:40:07,622 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 11:40:07,985 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 11:40:08,046 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 11:40:08,049 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 11:40:08,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:40:08 BoogieIcfgContainer [2022-07-22 11:40:08,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 11:40:08,057 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 11:40:08,057 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 11:40:08,062 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 11:40:08,063 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 11:40:08,063 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 11:40:06" (1/3) ... [2022-07-22 11:40:08,065 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45d5aeb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 11:40:08, skipping insertion in model container [2022-07-22 11:40:08,065 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 11:40:08,065 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:40:07" (2/3) ... [2022-07-22 11:40:08,066 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45d5aeb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 11:40:08, skipping insertion in model container [2022-07-22 11:40:08,066 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 11:40:08,066 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:40:08" (3/3) ... [2022-07-22 11:40:08,068 INFO L322 chiAutomizerObserver]: Analyzing ICFG qw2004-2b.i [2022-07-22 11:40:08,211 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-07-22 11:40:08,279 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 114 places, 117 transitions, 239 flow [2022-07-22 11:40:08,378 INFO L129 PetriNetUnfolder]: 6/115 cut-off events. [2022-07-22 11:40:08,379 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-07-22 11:40:08,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 115 events. 6/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 116 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2022-07-22 11:40:08,387 INFO L82 GeneralOperation]: Start removeDead. Operand has 114 places, 117 transitions, 239 flow [2022-07-22 11:40:08,404 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 113 places, 115 transitions, 233 flow [2022-07-22 11:40:08,427 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 11:40:08,427 INFO L301 stractBuchiCegarLoop]: Hoare is false [2022-07-22 11:40:08,427 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 11:40:08,427 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 11:40:08,428 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 11:40:08,428 INFO L305 stractBuchiCegarLoop]: Difference is false [2022-07-22 11:40:08,428 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 11:40:08,429 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 11:40:08,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-22 11:40:08,671 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 11:40:08,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-22 11:40:08,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 11:40:08 BoogieIcfgContainer [2022-07-22 11:40:08,682 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 11:40:08,684 INFO L158 Benchmark]: Toolchain (without parser) took 2166.66ms. Allocated memory is still 154.1MB. Free memory was 127.8MB in the beginning and 90.4MB in the end (delta: 37.4MB). Peak memory consumption was 37.1MB. Max. memory is 8.0GB. [2022-07-22 11:40:08,685 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 154.1MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-22 11:40:08,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 717.49ms. Allocated memory is still 154.1MB. Free memory was 127.6MB in the beginning and 108.4MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-07-22 11:40:08,686 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.47ms. Allocated memory is still 154.1MB. Free memory was 108.4MB in the beginning and 106.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-22 11:40:08,687 INFO L158 Benchmark]: Boogie Preprocessor took 32.57ms. Allocated memory is still 154.1MB. Free memory was 106.2MB in the beginning and 105.0MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-22 11:40:08,688 INFO L158 Benchmark]: RCFGBuilder took 710.19ms. Allocated memory is still 154.1MB. Free memory was 104.9MB in the beginning and 125.0MB in the end (delta: -20.1MB). Peak memory consumption was 5.6MB. Max. memory is 8.0GB. [2022-07-22 11:40:08,689 INFO L158 Benchmark]: BuchiAutomizer took 625.08ms. Allocated memory is still 154.1MB. Free memory was 125.0MB in the beginning and 90.4MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2022-07-22 11:40:08,693 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 154.1MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 717.49ms. Allocated memory is still 154.1MB. Free memory was 127.6MB in the beginning and 108.4MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 69.47ms. Allocated memory is still 154.1MB. Free memory was 108.4MB in the beginning and 106.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.57ms. Allocated memory is still 154.1MB. Free memory was 106.2MB in the beginning and 105.0MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 710.19ms. Allocated memory is still 154.1MB. Free memory was 104.9MB in the beginning and 125.0MB in the end (delta: -20.1MB). Peak memory consumption was 5.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 625.08ms. Allocated memory is still 154.1MB. Free memory was 125.0MB in the beginning and 90.4MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. 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 0.4s 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: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-22 11:40:08,746 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...