/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-barrier.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 13:51:18,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 13:51:18,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 13:51:18,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-26 13:51:18,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 13:51:18,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 13:51:18,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 13:51:18,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 13:51:18,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 13:51:18,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 13:51:18,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 13:51:18,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 13:51:18,070 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 13:51:18,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 13:51:18,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 13:51:18,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 13:51:18,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 13:51:18,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-26 13:51:18,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 13:51:18,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 13:51:18,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 13:51:18,087 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf [2022-07-26 13:51:18,111 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 13:51:18,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 13:51:18,111 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 13:51:18,111 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 13:51:18,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 13:51:18,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 13:51:18,112 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 13:51:18,112 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 13:51:18,113 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 13:51:18,113 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 13:51:18,113 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 13:51:18,113 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 13:51:18,113 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 13:51:18,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 13:51:18,113 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 13:51:18,113 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 13:51:18,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 13:51:18,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 13:51:18,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 13:51:18,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 13:51:18,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 13:51:18,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 13:51:18,114 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 13:51:18,114 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 13:51:18,115 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 13:51:18,115 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 13:51:18,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 13:51:18,115 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 13:51:18,115 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 13:51:18,115 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 13:51:18,116 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 13:51:18,116 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 13:51:18,116 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 13:51:18,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 13:51:18,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 13:51:18,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 13:51:18,329 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 13:51:18,332 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 13:51:18,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-barrier.wvr.c [2022-07-26 13:51:18,382 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54bf65a33/710f7fe164b54e409cb08d3e733ba9be/FLAG8a4ed7044 [2022-07-26 13:51:18,692 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 13:51:18,693 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-barrier.wvr.c [2022-07-26 13:51:18,701 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54bf65a33/710f7fe164b54e409cb08d3e733ba9be/FLAG8a4ed7044 [2022-07-26 13:51:19,118 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54bf65a33/710f7fe164b54e409cb08d3e733ba9be [2022-07-26 13:51:19,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 13:51:19,122 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 13:51:19,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 13:51:19,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 13:51:19,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 13:51:19,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:51:19" (1/1) ... [2022-07-26 13:51:19,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@773c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:51:19, skipping insertion in model container [2022-07-26 13:51:19,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:51:19" (1/1) ... [2022-07-26 13:51:19,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 13:51:19,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 13:51:19,371 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-barrier.wvr.c[4722,4735] [2022-07-26 13:51:19,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:51:19,378 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 13:51:19,401 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-barrier.wvr.c[4722,4735] [2022-07-26 13:51:19,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:51:19,413 INFO L208 MainTranslator]: Completed translation [2022-07-26 13:51:19,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:51:19 WrapperNode [2022-07-26 13:51:19,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 13:51:19,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 13:51:19,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 13:51:19,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 13:51:19,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:51:19" (1/1) ... [2022-07-26 13:51:19,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:51:19" (1/1) ... [2022-07-26 13:51:19,450 INFO L137 Inliner]: procedures = 25, calls = 98, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 245 [2022-07-26 13:51:19,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 13:51:19,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 13:51:19,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 13:51:19,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 13:51:19,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:51:19" (1/1) ... [2022-07-26 13:51:19,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:51:19" (1/1) ... [2022-07-26 13:51:19,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:51:19" (1/1) ... [2022-07-26 13:51:19,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:51:19" (1/1) ... [2022-07-26 13:51:19,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:51:19" (1/1) ... [2022-07-26 13:51:19,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:51:19" (1/1) ... [2022-07-26 13:51:19,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:51:19" (1/1) ... [2022-07-26 13:51:19,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 13:51:19,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 13:51:19,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 13:51:19,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 13:51:19,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:51:19" (1/1) ... [2022-07-26 13:51:19,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:51:19,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:51:19,500 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 13:51:19,501 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 13:51:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 13:51:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 13:51:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 13:51:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 13:51:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-26 13:51:19,529 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-26 13:51:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-26 13:51:19,530 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-26 13:51:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-07-26 13:51:19,531 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-07-26 13:51:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-07-26 13:51:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-07-26 13:51:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 13:51:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-07-26 13:51:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-07-26 13:51:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-07-26 13:51:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-07-26 13:51:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-26 13:51:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-26 13:51:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 13:51:19,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 13:51:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 13:51:19,534 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 13:51:19,646 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 13:51:19,647 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 13:51:19,913 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 13:51:19,956 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 13:51:19,956 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-26 13:51:19,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:51:19 BoogieIcfgContainer [2022-07-26 13:51:19,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 13:51:19,959 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 13:51:19,959 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 13:51:19,963 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 13:51:19,963 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:51:19,963 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 01:51:19" (1/3) ... [2022-07-26 13:51:19,964 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bfc2a7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:51:19, skipping insertion in model container [2022-07-26 13:51:19,964 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:51:19,964 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:51:19" (2/3) ... [2022-07-26 13:51:19,965 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bfc2a7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:51:19, skipping insertion in model container [2022-07-26 13:51:19,965 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:51:19,965 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:51:19" (3/3) ... [2022-07-26 13:51:19,966 INFO L322 chiAutomizerObserver]: Analyzing ICFG parallel-barrier.wvr.c [2022-07-26 13:51:20,061 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2022-07-26 13:51:20,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 237 places, 232 transitions, 536 flow [2022-07-26 13:51:20,153 INFO L129 PetriNetUnfolder]: 8/198 cut-off events. [2022-07-26 13:51:20,153 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-07-26 13:51:20,159 INFO L84 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 198 events. 8/198 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 238 event pairs, 0 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 169. Up to 3 conditions per place. [2022-07-26 13:51:20,159 INFO L82 GeneralOperation]: Start removeDead. Operand has 237 places, 232 transitions, 536 flow [2022-07-26 13:51:20,172 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 209 places, 198 transitions, 444 flow [2022-07-26 13:51:20,174 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-26 13:51:20,185 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 209 places, 198 transitions, 444 flow [2022-07-26 13:51:20,187 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 209 places, 198 transitions, 444 flow [2022-07-26 13:51:20,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 209 places, 198 transitions, 444 flow [2022-07-26 13:51:20,241 INFO L129 PetriNetUnfolder]: 8/198 cut-off events. [2022-07-26 13:51:20,241 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-07-26 13:51:20,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 198 events. 8/198 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 238 event pairs, 0 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 169. Up to 3 conditions per place. [2022-07-26 13:51:20,251 INFO L116 LiptonReduction]: Number of co-enabled transitions 7736 [2022-07-26 13:51:24,135 INFO L131 LiptonReduction]: Checked pairs total: 41754 [2022-07-26 13:51:24,136 INFO L133 LiptonReduction]: Total number of compositions: 154 [2022-07-26 13:51:24,151 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 13:51:24,152 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 13:51:24,152 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 13:51:24,152 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 13:51:24,152 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 13:51:24,152 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 13:51:24,152 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 13:51:24,152 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 13:51:24,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 13:51:26,283 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:51:26,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 13:51:26,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 01:51:26 BoogieIcfgContainer [2022-07-26 13:51:26,288 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 13:51:26,290 INFO L158 Benchmark]: Toolchain (without parser) took 7166.69ms. Allocated memory was 186.6MB in the beginning and 347.1MB in the end (delta: 160.4MB). Free memory was 134.5MB in the beginning and 225.2MB in the end (delta: -90.7MB). Peak memory consumption was 188.9MB. Max. memory is 8.0GB. [2022-07-26 13:51:26,291 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 186.6MB. Free memory was 151.0MB in the beginning and 150.8MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 13:51:26,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.92ms. Allocated memory is still 186.6MB. Free memory was 134.4MB in the beginning and 160.1MB in the end (delta: -25.8MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. [2022-07-26 13:51:26,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.34ms. Allocated memory is still 186.6MB. Free memory was 160.1MB in the beginning and 157.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-26 13:51:26,293 INFO L158 Benchmark]: Boogie Preprocessor took 23.18ms. Allocated memory is still 186.6MB. Free memory was 157.8MB in the beginning and 156.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-26 13:51:26,294 INFO L158 Benchmark]: RCFGBuilder took 483.17ms. Allocated memory is still 186.6MB. Free memory was 156.3MB in the beginning and 135.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2022-07-26 13:51:26,294 INFO L158 Benchmark]: BuchiAutomizer took 6328.49ms. Allocated memory was 186.6MB in the beginning and 347.1MB in the end (delta: 160.4MB). Free memory was 135.4MB in the beginning and 225.2MB in the end (delta: -89.9MB). Peak memory consumption was 189.9MB. Max. memory is 8.0GB. [2022-07-26 13:51:26,301 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 186.6MB. Free memory was 151.0MB in the beginning and 150.8MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 289.92ms. Allocated memory is still 186.6MB. Free memory was 134.4MB in the beginning and 160.1MB in the end (delta: -25.8MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.34ms. Allocated memory is still 186.6MB. Free memory was 160.1MB in the beginning and 157.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.18ms. Allocated memory is still 186.6MB. Free memory was 157.8MB in the beginning and 156.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 483.17ms. Allocated memory is still 186.6MB. Free memory was 156.3MB in the beginning and 135.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * BuchiAutomizer took 6328.49ms. Allocated memory was 186.6MB in the beginning and 347.1MB in the end (delta: 160.4MB). Free memory was 135.4MB in the beginning and 225.2MB in the end (delta: -89.9MB). Peak memory consumption was 189.9MB. 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 6.2s 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: 4.0s - 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: 3.9s, 209 PlacesBefore, 82 PlacesAfterwards, 198 TransitionsBefore, 69 TransitionsAfterwards, 7736 CoEnabledTransitionPairs, 8 FixpointIterations, 77 TrivialSequentialCompositions, 57 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 154 TotalNumberOfCompositions, 41754 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 21994, positive: 21325, positive conditional: 0, positive unconditional: 21325, negative: 669, negative conditional: 0, negative unconditional: 669, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5719, positive: 5580, positive conditional: 0, positive unconditional: 5580, negative: 139, negative conditional: 0, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5719, positive: 5436, positive conditional: 0, positive unconditional: 5436, negative: 283, negative conditional: 0, negative unconditional: 283, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 283, positive: 144, positive conditional: 0, positive unconditional: 144, negative: 139, negative conditional: 0, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 344, positive: 159, positive conditional: 0, positive unconditional: 159, negative: 185, negative conditional: 0, negative unconditional: 185, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 21994, positive: 15745, positive conditional: 0, positive unconditional: 15745, negative: 530, negative conditional: 0, negative unconditional: 530, unknown: 5719, unknown conditional: 0, unknown unconditional: 5719] , Statistics on independence cache: Total cache size (in pairs): 1515, Positive cache size: 1450, Positive conditional cache size: 0, Positive unconditional cache size: 1450, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 RESULT: Ultimate proved your program to be correct! [2022-07-26 13:51:26,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...