/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-semanticLbe.epf -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-21b0908 [2022-07-22 12:20:12,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:20:12,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:20:12,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 12:20:12,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 12:20:12,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 12:20:12,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 12:20:12,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 12:20:12,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 12:20:12,595 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 12:20:12,596 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 12:20:12,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 12:20:12,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 12:20:12,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 12:20:12,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 12:20:12,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 12:20:12,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 12:20:12,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 12:20:12,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 12:20:12,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 12:20:12,612 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 12:20:12,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 12:20:12,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 12:20:12,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 12:20:12,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 12:20:12,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-22 12:20:12,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 12:20:12,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 12:20:12,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 12:20:12,639 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf [2022-07-22 12:20:12,670 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:20:12,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:20:12,671 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:20:12,672 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:20:12,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:20:12,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:20:12,674 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:20:12,675 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 12:20:12,675 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 12:20:12,675 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 12:20:12,675 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 12:20:12,676 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 12:20:12,676 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 12:20:12,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:20:12,677 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:20:12,677 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 12:20:12,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:20:12,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:20:12,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:20:12,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 12:20:12,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 12:20:12,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 12:20:12,679 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:20:12,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:20:12,680 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 12:20:12,680 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:20:12,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 12:20:12,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:20:12,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:20:12,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:20:12,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:20:12,683 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 12:20:12,684 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-22 12:20:13,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:20:13,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:20:13,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:20:13,190 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:20:13,191 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:20:13,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c [2022-07-22 12:20:13,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6062b8c/6d2a6820db8244b99bb51934b7e173b1/FLAGdbdb38b42 [2022-07-22 12:20:13,995 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:20:13,996 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c [2022-07-22 12:20:14,005 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6062b8c/6d2a6820db8244b99bb51934b7e173b1/FLAGdbdb38b42 [2022-07-22 12:20:14,312 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6062b8c/6d2a6820db8244b99bb51934b7e173b1 [2022-07-22 12:20:14,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:20:14,322 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-22 12:20:14,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:20:14,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:20:14,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:20:14,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:20:14" (1/1) ... [2022-07-22 12:20:14,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50db3498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:14, skipping insertion in model container [2022-07-22 12:20:14,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:20:14" (1/1) ... [2022-07-22 12:20:14,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:20:14,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:20:14,587 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-ticket-4.wvr.c[3526,3539] [2022-07-22 12:20:14,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:20:14,599 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:20:14,630 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-ticket-4.wvr.c[3526,3539] [2022-07-22 12:20:14,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:20:14,650 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:20:14,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:14 WrapperNode [2022-07-22 12:20:14,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:20:14,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:20:14,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:20:14,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:20:14,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:14" (1/1) ... [2022-07-22 12:20:14,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:14" (1/1) ... [2022-07-22 12:20:14,712 INFO L137 Inliner]: procedures = 23, calls = 70, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 191 [2022-07-22 12:20:14,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:20:14,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:20:14,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:20:14,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:20:14,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:14" (1/1) ... [2022-07-22 12:20:14,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:14" (1/1) ... [2022-07-22 12:20:14,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:14" (1/1) ... [2022-07-22 12:20:14,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:14" (1/1) ... [2022-07-22 12:20:14,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:14" (1/1) ... [2022-07-22 12:20:14,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:14" (1/1) ... [2022-07-22 12:20:14,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:14" (1/1) ... [2022-07-22 12:20:14,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:20:14,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:20:14,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:20:14,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:20:14,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:14" (1/1) ... [2022-07-22 12:20:14,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:20:14,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:20:14,820 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 12:20:14,830 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 12:20:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:20:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-22 12:20:14,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-22 12:20:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-22 12:20:14,897 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-22 12:20:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-07-22 12:20:14,897 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-07-22 12:20:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-07-22 12:20:14,899 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-07-22 12:20:14,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:20:14,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 12:20:14,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 12:20:14,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-22 12:20:14,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-22 12:20:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:20:14,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:20:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 12:20:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 12:20:14,908 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 12:20:15,086 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:20:15,091 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:20:15,484 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:20:15,640 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:20:15,640 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 12:20:15,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:20:15 BoogieIcfgContainer [2022-07-22 12:20:15,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:20:15,646 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 12:20:15,646 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 12:20:15,650 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 12:20:15,651 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:20:15,652 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 12:20:14" (1/3) ... [2022-07-22 12:20:15,653 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3668b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:20:15, skipping insertion in model container [2022-07-22 12:20:15,653 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:20:15,653 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:20:14" (2/3) ... [2022-07-22 12:20:15,654 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3668b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:20:15, skipping insertion in model container [2022-07-22 12:20:15,654 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:20:15,654 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:20:15" (3/3) ... [2022-07-22 12:20:15,656 INFO L322 chiAutomizerObserver]: Analyzing ICFG parallel-ticket-4.wvr.c [2022-07-22 12:20:15,830 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-07-22 12:20:15,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 145 places, 138 transitions, 308 flow [2022-07-22 12:20:15,944 INFO L129 PetriNetUnfolder]: 2/130 cut-off events. [2022-07-22 12:20:15,945 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-07-22 12:20:15,949 INFO L84 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 130 events. 2/130 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 56 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2022-07-22 12:20:15,949 INFO L82 GeneralOperation]: Start removeDead. Operand has 145 places, 138 transitions, 308 flow [2022-07-22 12:20:15,958 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 141 places, 130 transitions, 284 flow [2022-07-22 12:20:15,963 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-22 12:20:15,980 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 141 places, 130 transitions, 284 flow [2022-07-22 12:20:15,984 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 141 places, 130 transitions, 284 flow [2022-07-22 12:20:15,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 141 places, 130 transitions, 284 flow [2022-07-22 12:20:16,023 INFO L129 PetriNetUnfolder]: 2/130 cut-off events. [2022-07-22 12:20:16,023 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-07-22 12:20:16,024 INFO L84 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 130 events. 2/130 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 52 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2022-07-22 12:20:16,027 INFO L116 LiptonReduction]: Number of co-enabled transitions 1302 [2022-07-22 12:20:22,401 INFO L131 LiptonReduction]: Checked pairs total: 3296 [2022-07-22 12:20:22,402 INFO L133 LiptonReduction]: Total number of compositions: 119 [2022-07-22 12:20:22,427 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 12:20:22,427 INFO L301 stractBuchiCegarLoop]: Hoare is false [2022-07-22 12:20:22,427 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 12:20:22,428 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 12:20:22,428 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 12:20:22,428 INFO L305 stractBuchiCegarLoop]: Difference is false [2022-07-22 12:20:22,428 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 12:20:22,428 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 12:20:22,431 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-22 12:20:22,582 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 12:20:22,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-22 12:20:22,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 12:20:22 BoogieIcfgContainer [2022-07-22 12:20:22,590 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 12:20:22,593 INFO L158 Benchmark]: Toolchain (without parser) took 8273.55ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 133.6MB in the beginning and 142.2MB in the end (delta: -8.6MB). Peak memory consumption was 24.4MB. Max. memory is 8.0GB. [2022-07-22 12:20:22,596 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 157.3MB. Free memory is still 139.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-22 12:20:22,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.20ms. Allocated memory is still 157.3MB. Free memory was 133.4MB in the beginning and 122.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-07-22 12:20:22,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.65ms. Allocated memory is still 157.3MB. Free memory was 122.4MB in the beginning and 120.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-22 12:20:22,600 INFO L158 Benchmark]: Boogie Preprocessor took 36.72ms. Allocated memory is still 157.3MB. Free memory was 120.3MB in the beginning and 118.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-22 12:20:22,602 INFO L158 Benchmark]: RCFGBuilder took 893.43ms. Allocated memory is still 157.3MB. Free memory was 118.9MB in the beginning and 99.4MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-07-22 12:20:22,604 INFO L158 Benchmark]: BuchiAutomizer took 6944.68ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 99.1MB in the beginning and 142.2MB in the end (delta: -43.1MB). There was no memory consumed. Max. memory is 8.0GB. [2022-07-22 12:20:22,613 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 157.3MB. Free memory is still 139.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 327.20ms. Allocated memory is still 157.3MB. Free memory was 133.4MB in the beginning and 122.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.65ms. Allocated memory is still 157.3MB. Free memory was 122.4MB in the beginning and 120.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.72ms. Allocated memory is still 157.3MB. Free memory was 120.3MB in the beginning and 118.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 893.43ms. Allocated memory is still 157.3MB. Free memory was 118.9MB in the beginning and 99.4MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * BuchiAutomizer took 6944.68ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 99.1MB in the beginning and 142.2MB in the end (delta: -43.1MB). There was no memory consumed. 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 6.7s 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: 6.5s - 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: 6.4s, 141 PlacesBefore, 39 PlacesAfterwards, 130 TransitionsBefore, 26 TransitionsAfterwards, 1302 CoEnabledTransitionPairs, 8 FixpointIterations, 72 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 119 TotalNumberOfCompositions, 3296 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1649, positive: 1531, positive conditional: 0, positive unconditional: 1531, negative: 118, negative conditional: 0, negative unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 894, positive: 862, positive conditional: 0, positive unconditional: 862, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 894, positive: 832, positive conditional: 0, positive unconditional: 832, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 204, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 141, negative conditional: 0, negative unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1649, positive: 669, positive conditional: 0, positive unconditional: 669, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 894, unknown conditional: 0, unknown unconditional: 894] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 85, Positive conditional cache size: 0, Positive unconditional cache size: 85, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 RESULT: Ultimate proved your program to be correct! [2022-07-22 12:20:22,686 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...