/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/weaver/test-easy10.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-21b0908 [2022-07-22 12:51:48,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:51:48,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:51:48,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 12:51:48,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 12:51:48,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 12:51:48,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 12:51:48,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 12:51:48,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 12:51:48,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 12:51:48,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 12:51:48,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 12:51:48,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 12:51:48,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 12:51:48,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 12:51:48,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 12:51:48,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 12:51:48,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 12:51:48,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 12:51:48,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 12:51:48,734 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 12:51:48,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 12:51:48,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 12:51:48,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 12:51:48,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 12:51:48,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 12:51:48,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 12:51:48,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 12:51:48,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 12:51:48,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 12:51:48,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 12:51:48,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 12:51:48,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 12:51:48,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 12:51:48,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 12:51:48,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 12:51:48,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 12:51:48,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 12:51:48,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 12:51:48,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 12:51:48,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 12:51:48,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 12:51:48,773 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf [2022-07-22 12:51:48,822 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:51:48,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:51:48,823 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:51:48,823 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:51:48,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:51:48,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:51:48,825 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:51:48,825 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 12:51:48,825 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 12:51:48,827 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 12:51:48,827 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 12:51:48,827 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 12:51:48,827 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 12:51:48,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:51:48,828 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:51:48,828 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 12:51:48,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:51:48,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:51:48,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:51:48,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 12:51:48,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 12:51:48,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 12:51:48,829 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:51:48,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:51:48,829 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 12:51:48,830 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:51:48,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 12:51:48,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:51:48,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:51:48,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:51:48,831 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:51:48,831 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-07-22 12:51:48,834 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 12:51:48,834 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-22 12:51:49,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:51:49,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:51:49,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:51:49,305 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:51:49,308 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:51:49,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy10.wvr.c [2022-07-22 12:51:49,397 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a2e155ef/d9099c7d60f14d118e9f7b5a49c93542/FLAG18fe0e503 [2022-07-22 12:51:50,144 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:51:50,145 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy10.wvr.c [2022-07-22 12:51:50,156 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a2e155ef/d9099c7d60f14d118e9f7b5a49c93542/FLAG18fe0e503 [2022-07-22 12:51:50,457 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a2e155ef/d9099c7d60f14d118e9f7b5a49c93542 [2022-07-22 12:51:50,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:51:50,466 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-22 12:51:50,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:51:50,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:51:50,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:51:50,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:51:50" (1/1) ... [2022-07-22 12:51:50,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35fe1f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:50, skipping insertion in model container [2022-07-22 12:51:50,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:51:50" (1/1) ... [2022-07-22 12:51:50,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:51:50,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:51:50,754 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/test-easy10.wvr.c[3907,3920] [2022-07-22 12:51:50,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:51:50,768 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:51:50,812 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/test-easy10.wvr.c[3907,3920] [2022-07-22 12:51:50,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:51:50,845 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:51:50,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:50 WrapperNode [2022-07-22 12:51:50,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:51:50,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:51:50,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:51:50,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:51:50,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:50" (1/1) ... [2022-07-22 12:51:50,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:50" (1/1) ... [2022-07-22 12:51:50,947 INFO L137 Inliner]: procedures = 23, calls = 84, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2022-07-22 12:51:50,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:51:50,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:51:50,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:51:50,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:51:50,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:50" (1/1) ... [2022-07-22 12:51:50,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:50" (1/1) ... [2022-07-22 12:51:50,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:50" (1/1) ... [2022-07-22 12:51:50,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:50" (1/1) ... [2022-07-22 12:51:51,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:50" (1/1) ... [2022-07-22 12:51:51,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:50" (1/1) ... [2022-07-22 12:51:51,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:50" (1/1) ... [2022-07-22 12:51:51,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:51:51,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:51:51,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:51:51,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:51:51,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:50" (1/1) ... [2022-07-22 12:51:51,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:51:51,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:51:51,082 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 12:51:51,103 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 12:51:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:51:51,162 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-22 12:51:51,162 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-22 12:51:51,162 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-22 12:51:51,162 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-22 12:51:51,162 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-07-22 12:51:51,163 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-07-22 12:51:51,163 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-07-22 12:51:51,163 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-07-22 12:51:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:51:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 12:51:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 12:51:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-22 12:51:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-22 12:51:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:51:51,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:51:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 12:51:51,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 12:51:51,168 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 12:51:51,325 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:51:51,327 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:51:51,724 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:51:51,810 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:51:51,813 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 12:51:51,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:51:51 BoogieIcfgContainer [2022-07-22 12:51:51,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:51:51,820 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 12:51:51,821 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 12:51:51,826 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 12:51:51,827 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:51:51,828 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 12:51:50" (1/3) ... [2022-07-22 12:51:51,829 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f5cbf96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:51:51, skipping insertion in model container [2022-07-22 12:51:51,829 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:51:51,829 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:51:50" (2/3) ... [2022-07-22 12:51:51,830 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f5cbf96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:51:51, skipping insertion in model container [2022-07-22 12:51:51,830 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:51:51,830 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:51:51" (3/3) ... [2022-07-22 12:51:51,834 INFO L322 chiAutomizerObserver]: Analyzing ICFG test-easy10.wvr.c [2022-07-22 12:51:52,016 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-07-22 12:51:52,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 148 places, 141 transitions, 314 flow [2022-07-22 12:51:52,172 INFO L129 PetriNetUnfolder]: 2/133 cut-off events. [2022-07-22 12:51:52,172 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-07-22 12:51:52,179 INFO L84 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 133 events. 2/133 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 73 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 95. Up to 2 conditions per place. [2022-07-22 12:51:52,179 INFO L82 GeneralOperation]: Start removeDead. Operand has 148 places, 141 transitions, 314 flow [2022-07-22 12:51:52,197 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 144 places, 133 transitions, 290 flow [2022-07-22 12:51:52,202 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-07-22 12:51:52,218 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 133 transitions, 290 flow [2022-07-22 12:51:52,223 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 133 transitions, 290 flow [2022-07-22 12:51:52,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 144 places, 133 transitions, 290 flow [2022-07-22 12:51:52,263 INFO L129 PetriNetUnfolder]: 2/133 cut-off events. [2022-07-22 12:51:52,263 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-07-22 12:51:52,264 INFO L84 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 133 events. 2/133 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 76 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 95. Up to 2 conditions per place. [2022-07-22 12:51:52,267 INFO L116 LiptonReduction]: Number of co-enabled transitions 1824 [2022-07-22 12:51:57,671 INFO L131 LiptonReduction]: Checked pairs total: 11061 [2022-07-22 12:51:57,671 INFO L133 LiptonReduction]: Total number of compositions: 104 [2022-07-22 12:51:57,696 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 12:51:57,697 INFO L301 stractBuchiCegarLoop]: Hoare is false [2022-07-22 12:51:57,697 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 12:51:57,697 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 12:51:57,697 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 12:51:57,697 INFO L305 stractBuchiCegarLoop]: Difference is false [2022-07-22 12:51:57,697 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 12:51:57,698 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 12:51:57,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-22 12:51:58,671 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 12:51:58,672 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-22 12:51:58,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 12:51:58 BoogieIcfgContainer [2022-07-22 12:51:58,679 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 12:51:58,683 INFO L158 Benchmark]: Toolchain (without parser) took 8218.21ms. Allocated memory was 166.7MB in the beginning and 213.9MB in the end (delta: 47.2MB). Free memory was 140.8MB in the beginning and 92.0MB in the end (delta: 48.7MB). Peak memory consumption was 127.3MB. Max. memory is 8.0GB. [2022-07-22 12:51:58,683 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 166.7MB. Free memory is still 135.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-22 12:51:58,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.37ms. Allocated memory is still 166.7MB. Free memory was 140.6MB in the beginning and 129.2MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-07-22 12:51:58,687 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.44ms. Allocated memory is still 166.7MB. Free memory was 129.2MB in the beginning and 127.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-22 12:51:58,688 INFO L158 Benchmark]: Boogie Preprocessor took 76.10ms. Allocated memory is still 166.7MB. Free memory was 127.1MB in the beginning and 125.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-22 12:51:58,689 INFO L158 Benchmark]: RCFGBuilder took 791.16ms. Allocated memory is still 166.7MB. Free memory was 125.6MB in the beginning and 143.2MB in the end (delta: -17.6MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. [2022-07-22 12:51:58,690 INFO L158 Benchmark]: BuchiAutomizer took 6858.35ms. Allocated memory was 166.7MB in the beginning and 213.9MB in the end (delta: 47.2MB). Free memory was 143.2MB in the beginning and 92.0MB in the end (delta: 51.2MB). Peak memory consumption was 128.2MB. Max. memory is 8.0GB. [2022-07-22 12:51:58,706 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 166.7MB. Free memory is still 135.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 379.37ms. Allocated memory is still 166.7MB. Free memory was 140.6MB in the beginning and 129.2MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 100.44ms. Allocated memory is still 166.7MB. Free memory was 129.2MB in the beginning and 127.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 76.10ms. Allocated memory is still 166.7MB. Free memory was 127.1MB in the beginning and 125.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 791.16ms. Allocated memory is still 166.7MB. Free memory was 125.6MB in the beginning and 143.2MB in the end (delta: -17.6MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. * BuchiAutomizer took 6858.35ms. Allocated memory was 166.7MB in the beginning and 213.9MB in the end (delta: 47.2MB). Free memory was 143.2MB in the beginning and 92.0MB in the end (delta: 51.2MB). Peak memory consumption was 128.2MB. 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 6.6s 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: 5.6s - 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: 5.4s, 144 PlacesBefore, 54 PlacesAfterwards, 133 TransitionsBefore, 41 TransitionsAfterwards, 1824 CoEnabledTransitionPairs, 7 FixpointIterations, 65 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 104 TotalNumberOfCompositions, 11061 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7150, positive: 6809, positive conditional: 0, positive unconditional: 6809, negative: 341, negative conditional: 0, negative unconditional: 341, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1004, positive: 983, positive conditional: 0, positive unconditional: 983, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7150, positive: 5826, positive conditional: 0, positive unconditional: 5826, negative: 320, negative conditional: 0, negative unconditional: 320, unknown: 1004, unknown conditional: 0, unknown unconditional: 1004] , Statistics on independence cache: Total cache size (in pairs): 370, Positive cache size: 355, Positive conditional cache size: 0, Positive unconditional cache size: 355, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15 RESULT: Ultimate proved your program to be correct! [2022-07-22 12:51:58,770 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...