/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/weaver/parallel-simple-equiv.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 13:31:57,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 13:31:57,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 13:31:57,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-26 13:31:57,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-26 13:31:57,572 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-26 13:31:57,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-26 13:31:57,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-26 13:31:57,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-26 13:31:57,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-26 13:31:57,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-26 13:31:57,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-26 13:31:57,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 13:31:57,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 13:31:57,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 13:31:57,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 13:31:57,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 13:31:57,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 13:31:57,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 13:31:57,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 13:31:57,595 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 13:31:57,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 13:31:57,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 13:31:57,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 13:31:57,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 13:31:57,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-26 13:31:57,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-26 13:31:57,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-26 13:31:57,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-26 13:31:57,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-26 13:31:57,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-26 13:31:57,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-26 13:31:57,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-26 13:31:57,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-26 13:31:57,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 13:31:57,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 13:31:57,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 13:31:57,613 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 13:31:57,639 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 13:31:57,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 13:31:57,639 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 13:31:57,639 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 13:31:57,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 13:31:57,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 13:31:57,640 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 13:31:57,641 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 13:31:57,641 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 13:31:57,641 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 13:31:57,641 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 13:31:57,641 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 13:31:57,642 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 13:31:57,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 13:31:57,642 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 13:31:57,643 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 13:31:57,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 13:31:57,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 13:31:57,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 13:31:57,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 13:31:57,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 13:31:57,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 13:31:57,643 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 13:31:57,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 13:31:57,643 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 13:31:57,644 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 13:31:57,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 13:31:57,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 13:31:57,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 13:31:57,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 13:31:57,644 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 13:31:57,644 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-26 13:31:57,645 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 13:31:57,645 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 13:31:57,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 13:31:57,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 13:31:57,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 13:31:57,877 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 13:31:57,882 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 13:31:57,884 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c [2022-07-26 13:31:57,962 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/483591f56/98a68c0bfbfe4b828dfc23d278e75d09/FLAG229108894 [2022-07-26 13:31:58,332 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 13:31:58,333 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c [2022-07-26 13:31:58,338 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/483591f56/98a68c0bfbfe4b828dfc23d278e75d09/FLAG229108894 [2022-07-26 13:31:58,353 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/483591f56/98a68c0bfbfe4b828dfc23d278e75d09 [2022-07-26 13:31:58,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 13:31:58,356 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 13:31:58,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 13:31:58,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 13:31:58,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 13:31:58,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:31:58" (1/1) ... [2022-07-26 13:31:58,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@607ad1fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:58, skipping insertion in model container [2022-07-26 13:31:58,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:31:58" (1/1) ... [2022-07-26 13:31:58,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 13:31:58,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 13:31:58,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c[2212,2225] [2022-07-26 13:31:58,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:31:58,576 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 13:31:58,597 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c[2212,2225] [2022-07-26 13:31:58,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:31:58,612 INFO L208 MainTranslator]: Completed translation [2022-07-26 13:31:58,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:58 WrapperNode [2022-07-26 13:31:58,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 13:31:58,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 13:31:58,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 13:31:58,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 13:31:58,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:58" (1/1) ... [2022-07-26 13:31:58,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:58" (1/1) ... [2022-07-26 13:31:58,649 INFO L137 Inliner]: procedures = 22, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-07-26 13:31:58,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 13:31:58,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 13:31:58,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 13:31:58,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 13:31:58,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:58" (1/1) ... [2022-07-26 13:31:58,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:58" (1/1) ... [2022-07-26 13:31:58,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:58" (1/1) ... [2022-07-26 13:31:58,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:58" (1/1) ... [2022-07-26 13:31:58,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:58" (1/1) ... [2022-07-26 13:31:58,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:58" (1/1) ... [2022-07-26 13:31:58,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:58" (1/1) ... [2022-07-26 13:31:58,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 13:31:58,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 13:31:58,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 13:31:58,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 13:31:58,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:58" (1/1) ... [2022-07-26 13:31:58,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:31:58,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:31:58,717 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 13:31:58,735 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 13:31:58,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 13:31:58,752 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-26 13:31:58,752 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-26 13:31:58,753 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-26 13:31:58,753 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-26 13:31:58,753 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-07-26 13:31:58,753 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-07-26 13:31:58,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 13:31:58,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 13:31:58,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 13:31:58,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-26 13:31:58,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-26 13:31:58,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 13:31:58,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 13:31:58,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 13:31:58,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 13:31:58,755 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 13:31:58,825 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 13:31:58,826 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 13:31:59,027 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 13:31:59,043 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 13:31:59,043 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-26 13:31:59,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:31:59 BoogieIcfgContainer [2022-07-26 13:31:59,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 13:31:59,046 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 13:31:59,046 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 13:31:59,059 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 13:31:59,060 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:31:59,060 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 01:31:58" (1/3) ... [2022-07-26 13:31:59,060 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ba23191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:31:59, skipping insertion in model container [2022-07-26 13:31:59,060 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:31:59,061 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:31:58" (2/3) ... [2022-07-26 13:31:59,061 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ba23191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:31:59, skipping insertion in model container [2022-07-26 13:31:59,061 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:31:59,061 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:31:59" (3/3) ... [2022-07-26 13:31:59,062 INFO L322 chiAutomizerObserver]: Analyzing ICFG parallel-simple-equiv.wvr.c [2022-07-26 13:31:59,112 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-07-26 13:31:59,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 96 transitions, 216 flow [2022-07-26 13:31:59,161 INFO L129 PetriNetUnfolder]: 2/90 cut-off events. [2022-07-26 13:31:59,162 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-07-26 13:31:59,164 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 90 events. 2/90 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 24 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2022-07-26 13:31:59,164 INFO L82 GeneralOperation]: Start removeDead. Operand has 101 places, 96 transitions, 216 flow [2022-07-26 13:31:59,183 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 98 places, 90 transitions, 198 flow [2022-07-26 13:31:59,192 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 13:31:59,192 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 13:31:59,193 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 13:31:59,193 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 13:31:59,193 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 13:31:59,193 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 13:31:59,193 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 13:31:59,193 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 13:31:59,194 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 13:31:59,340 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:31:59,341 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 13:31:59,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 01:31:59 BoogieIcfgContainer [2022-07-26 13:31:59,345 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 13:31:59,347 INFO L158 Benchmark]: Toolchain (without parser) took 989.29ms. Allocated memory is still 176.2MB. Free memory was 123.1MB in the beginning and 109.2MB in the end (delta: 13.8MB). Peak memory consumption was 13.8MB. Max. memory is 8.0GB. [2022-07-26 13:31:59,347 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 140.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 13:31:59,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.90ms. Allocated memory is still 176.2MB. Free memory was 122.8MB in the beginning and 150.5MB in the end (delta: -27.6MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. [2022-07-26 13:31:59,349 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.64ms. Allocated memory is still 176.2MB. Free memory was 150.5MB in the beginning and 149.1MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 13:31:59,350 INFO L158 Benchmark]: Boogie Preprocessor took 27.71ms. Allocated memory is still 176.2MB. Free memory was 149.1MB in the beginning and 148.0MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 13:31:59,350 INFO L158 Benchmark]: RCFGBuilder took 366.09ms. Allocated memory is still 176.2MB. Free memory was 147.7MB in the beginning and 134.7MB in the end (delta: 12.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-07-26 13:31:59,351 INFO L158 Benchmark]: BuchiAutomizer took 299.32ms. Allocated memory is still 176.2MB. Free memory was 134.4MB in the beginning and 109.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-07-26 13:31:59,356 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 176.2MB. Free memory is still 140.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 253.90ms. Allocated memory is still 176.2MB. Free memory was 122.8MB in the beginning and 150.5MB in the end (delta: -27.6MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.64ms. Allocated memory is still 176.2MB. Free memory was 150.5MB in the beginning and 149.1MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.71ms. Allocated memory is still 176.2MB. Free memory was 149.1MB in the beginning and 148.0MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 366.09ms. Allocated memory is still 176.2MB. Free memory was 147.7MB in the beginning and 134.7MB in the end (delta: 12.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 299.32ms. Allocated memory is still 176.2MB. Free memory was 134.4MB in the beginning and 109.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. 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 0.2s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-26 13:31:59,398 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...