/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/parallel-ticket-5.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-21b0908 [2022-07-22 12:46:00,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:46:00,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:46:00,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 12:46:00,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 12:46:00,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 12:46:00,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 12:46:00,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 12:46:00,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 12:46:00,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 12:46:00,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 12:46:00,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 12:46:00,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 12:46:00,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 12:46:00,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 12:46:00,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 12:46:00,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 12:46:00,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 12:46:00,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 12:46:00,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 12:46:00,112 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 12:46:00,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 12:46:00,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 12:46:00,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 12:46:00,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 12:46:00,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-22 12:46:00,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 12:46:00,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 12:46:00,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 12:46:00,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 12:46:00,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 12:46:00,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 12:46:00,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 12:46:00,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 12:46:00,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 12:46:00,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 12:46:00,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 12:46:00,138 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 12:46:00,170 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:46:00,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:46:00,171 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:46:00,171 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:46:00,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:46:00,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:46:00,173 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:46:00,173 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 12:46:00,174 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 12:46:00,174 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 12:46:00,174 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 12:46:00,175 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 12:46:00,175 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 12:46:00,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:46:00,175 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:46:00,176 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 12:46:00,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:46:00,176 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:46:00,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:46:00,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 12:46:00,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 12:46:00,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 12:46:00,177 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:46:00,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:46:00,178 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 12:46:00,178 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:46:00,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 12:46:00,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:46:00,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:46:00,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:46:00,180 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:46:00,180 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-07-22 12:46:00,181 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 12:46:00,182 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-22 12:46:00,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:46:00,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:46:00,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:46:00,615 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:46:00,616 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:46:00,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-5.wvr.c [2022-07-22 12:46:00,714 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9189dc8ef/d1c3d36a26114c76b794fb54a7544e55/FLAG41ac98e13 [2022-07-22 12:46:01,324 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:46:01,325 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-5.wvr.c [2022-07-22 12:46:01,341 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9189dc8ef/d1c3d36a26114c76b794fb54a7544e55/FLAG41ac98e13 [2022-07-22 12:46:01,681 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9189dc8ef/d1c3d36a26114c76b794fb54a7544e55 [2022-07-22 12:46:01,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:46:01,690 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-22 12:46:01,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:46:01,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:46:01,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:46:01,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:46:01" (1/1) ... [2022-07-22 12:46:01,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d746faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:01, skipping insertion in model container [2022-07-22 12:46:01,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:46:01" (1/1) ... [2022-07-22 12:46:01,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:46:01,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:46:01,950 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-5.wvr.c[3963,3976] [2022-07-22 12:46:01,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:46:01,975 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:46:02,044 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-5.wvr.c[3963,3976] [2022-07-22 12:46:02,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:46:02,064 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:46:02,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:02 WrapperNode [2022-07-22 12:46:02,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:46:02,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:46:02,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:46:02,067 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:46:02,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:02" (1/1) ... [2022-07-22 12:46:02,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:02" (1/1) ... [2022-07-22 12:46:02,122 INFO L137 Inliner]: procedures = 24, calls = 85, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 230 [2022-07-22 12:46:02,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:46:02,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:46:02,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:46:02,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:46:02,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:02" (1/1) ... [2022-07-22 12:46:02,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:02" (1/1) ... [2022-07-22 12:46:02,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:02" (1/1) ... [2022-07-22 12:46:02,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:02" (1/1) ... [2022-07-22 12:46:02,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:02" (1/1) ... [2022-07-22 12:46:02,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:02" (1/1) ... [2022-07-22 12:46:02,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:02" (1/1) ... [2022-07-22 12:46:02,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:46:02,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:46:02,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:46:02,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:46:02,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:02" (1/1) ... [2022-07-22 12:46:02,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:46:02,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:46:02,211 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 12:46:02,213 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 12:46:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:46:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-22 12:46:02,271 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-22 12:46:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-22 12:46:02,272 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-22 12:46:02,272 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-07-22 12:46:02,272 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-07-22 12:46:02,272 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-07-22 12:46:02,272 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-07-22 12:46:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:46:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-07-22 12:46:02,273 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-07-22 12:46:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 12:46:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 12:46:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-22 12:46:02,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-22 12:46:02,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:46:02,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:46:02,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 12:46:02,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 12:46:02,276 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 12:46:02,465 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:46:02,468 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:46:02,954 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:46:03,111 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:46:03,112 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 12:46:03,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:46:03 BoogieIcfgContainer [2022-07-22 12:46:03,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:46:03,116 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 12:46:03,116 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 12:46:03,120 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 12:46:03,121 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:46:03,122 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 12:46:01" (1/3) ... [2022-07-22 12:46:03,123 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68f6967a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:46:03, skipping insertion in model container [2022-07-22 12:46:03,123 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:46:03,123 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:46:02" (2/3) ... [2022-07-22 12:46:03,124 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68f6967a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:46:03, skipping insertion in model container [2022-07-22 12:46:03,124 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:46:03,124 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:46:03" (3/3) ... [2022-07-22 12:46:03,126 INFO L322 chiAutomizerObserver]: Analyzing ICFG parallel-ticket-5.wvr.c [2022-07-22 12:46:03,266 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2022-07-22 12:46:03,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 170 places, 161 transitions, 362 flow [2022-07-22 12:46:03,450 INFO L129 PetriNetUnfolder]: 2/151 cut-off events. [2022-07-22 12:46:03,450 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-07-22 12:46:03,455 INFO L84 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 151 events. 2/151 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 65 event pairs, 0 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 112. Up to 2 conditions per place. [2022-07-22 12:46:03,456 INFO L82 GeneralOperation]: Start removeDead. Operand has 170 places, 161 transitions, 362 flow [2022-07-22 12:46:03,472 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 165 places, 151 transitions, 332 flow [2022-07-22 12:46:03,480 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-07-22 12:46:03,494 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 165 places, 151 transitions, 332 flow [2022-07-22 12:46:03,504 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 165 places, 151 transitions, 332 flow [2022-07-22 12:46:03,505 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 165 places, 151 transitions, 332 flow [2022-07-22 12:46:03,537 INFO L129 PetriNetUnfolder]: 2/151 cut-off events. [2022-07-22 12:46:03,538 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-07-22 12:46:03,538 INFO L84 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 151 events. 2/151 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 112. Up to 2 conditions per place. [2022-07-22 12:46:03,541 INFO L116 LiptonReduction]: Number of co-enabled transitions 2082 [2022-07-22 12:46:09,933 INFO L131 LiptonReduction]: Checked pairs total: 10296 [2022-07-22 12:46:09,933 INFO L133 LiptonReduction]: Total number of compositions: 118 [2022-07-22 12:46:09,968 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 12:46:09,968 INFO L301 stractBuchiCegarLoop]: Hoare is false [2022-07-22 12:46:09,969 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 12:46:09,969 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 12:46:09,970 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 12:46:09,970 INFO L305 stractBuchiCegarLoop]: Difference is false [2022-07-22 12:46:09,971 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 12:46:09,971 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 12:46:09,973 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-22 12:46:11,505 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 12:46:11,506 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-22 12:46:11,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 12:46:11 BoogieIcfgContainer [2022-07-22 12:46:11,512 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 12:46:11,514 INFO L158 Benchmark]: Toolchain (without parser) took 9827.49ms. Allocated memory was 162.5MB in the beginning and 239.1MB in the end (delta: 76.5MB). Free memory was 136.6MB in the beginning and 114.3MB in the end (delta: 22.3MB). Peak memory consumption was 151.2MB. Max. memory is 8.0GB. [2022-07-22 12:46:11,515 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 162.5MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-22 12:46:11,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.24ms. Allocated memory is still 162.5MB. Free memory was 136.3MB in the beginning and 124.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-07-22 12:46:11,516 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.53ms. Allocated memory is still 162.5MB. Free memory was 124.7MB in the beginning and 122.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-22 12:46:11,517 INFO L158 Benchmark]: Boogie Preprocessor took 35.79ms. Allocated memory is still 162.5MB. Free memory was 122.6MB in the beginning and 121.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-22 12:46:11,518 INFO L158 Benchmark]: RCFGBuilder took 954.87ms. Allocated memory is still 162.5MB. Free memory was 120.9MB in the beginning and 136.9MB in the end (delta: -16.1MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. [2022-07-22 12:46:11,519 INFO L158 Benchmark]: BuchiAutomizer took 8396.01ms. Allocated memory was 162.5MB in the beginning and 239.1MB in the end (delta: 76.5MB). Free memory was 136.9MB in the beginning and 114.3MB in the end (delta: 22.6MB). Peak memory consumption was 151.1MB. Max. memory is 8.0GB. [2022-07-22 12:46:11,523 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 162.5MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 374.24ms. Allocated memory is still 162.5MB. Free memory was 136.3MB in the beginning and 124.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.53ms. Allocated memory is still 162.5MB. Free memory was 124.7MB in the beginning and 122.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.79ms. Allocated memory is still 162.5MB. Free memory was 122.6MB in the beginning and 121.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 954.87ms. Allocated memory is still 162.5MB. Free memory was 120.9MB in the beginning and 136.9MB in the end (delta: -16.1MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. * BuchiAutomizer took 8396.01ms. Allocated memory was 162.5MB in the beginning and 239.1MB in the end (delta: 76.5MB). Free memory was 136.9MB in the beginning and 114.3MB in the end (delta: 22.6MB). Peak memory consumption was 151.1MB. 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 8.2s 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: 6.6s - 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: 6.4s, 165 PlacesBefore, 58 PlacesAfterwards, 151 TransitionsBefore, 42 TransitionsAfterwards, 2082 CoEnabledTransitionPairs, 7 FixpointIterations, 78 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 118 TotalNumberOfCompositions, 10296 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3715, positive: 3430, positive conditional: 0, positive unconditional: 3430, negative: 285, negative conditional: 0, negative unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1007, positive: 971, positive conditional: 0, positive unconditional: 971, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3715, positive: 2459, positive conditional: 0, positive unconditional: 2459, negative: 249, negative conditional: 0, negative unconditional: 249, unknown: 1007, unknown conditional: 0, unknown unconditional: 1007] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 206, Positive conditional cache size: 0, Positive unconditional cache size: 206, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 RESULT: Ultimate proved your program to be correct! [2022-07-22 12:46:11,576 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...