/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 13:52:25,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 13:52:25,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 13:52:25,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-26 13:52:25,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 13:52:25,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 13:52:25,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 13:52:25,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 13:52:25,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 13:52:25,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 13:52:25,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 13:52:25,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 13:52:25,815 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 13:52:25,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 13:52:25,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 13:52:25,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 13:52:25,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 13:52:25,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-26 13:52:25,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 13:52:25,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 13:52:25,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 13:52:25,838 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 13:52:25,871 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 13:52:25,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 13:52:25,871 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 13:52:25,872 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 13:52:25,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 13:52:25,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 13:52:25,873 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 13:52:25,873 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 13:52:25,873 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 13:52:25,874 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 13:52:25,874 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 13:52:25,874 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 13:52:25,874 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 13:52:25,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 13:52:25,875 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 13:52:25,875 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 13:52:25,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 13:52:25,875 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 13:52:25,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 13:52:25,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 13:52:25,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 13:52:25,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 13:52:25,875 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 13:52:25,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 13:52:25,876 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 13:52:25,876 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 13:52:25,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 13:52:25,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 13:52:25,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 13:52:25,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 13:52:25,877 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 13:52:25,877 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 13:52:25,878 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 13:52:26,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 13:52:26,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 13:52:26,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 13:52:26,112 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 13:52:26,114 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 13:52:26,116 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c [2022-07-26 13:52:26,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbdf65240/13d7caa0af004c3cbabdabf7bb969bf7/FLAGfa460f0cc [2022-07-26 13:52:26,618 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 13:52:26,619 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c [2022-07-26 13:52:26,628 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbdf65240/13d7caa0af004c3cbabdabf7bb969bf7/FLAGfa460f0cc [2022-07-26 13:52:26,990 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbdf65240/13d7caa0af004c3cbabdabf7bb969bf7 [2022-07-26 13:52:26,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 13:52:26,994 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 13:52:26,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 13:52:26,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 13:52:27,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 13:52:27,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:52:26" (1/1) ... [2022-07-26 13:52:27,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c012243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:27, skipping insertion in model container [2022-07-26 13:52:27,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:52:26" (1/1) ... [2022-07-26 13:52:27,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 13:52:27,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 13:52:27,249 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-6.wvr.c[4400,4413] [2022-07-26 13:52:27,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:52:27,258 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 13:52:27,306 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-6.wvr.c[4400,4413] [2022-07-26 13:52:27,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:52:27,322 INFO L208 MainTranslator]: Completed translation [2022-07-26 13:52:27,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:27 WrapperNode [2022-07-26 13:52:27,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 13:52:27,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 13:52:27,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 13:52:27,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 13:52:27,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:27" (1/1) ... [2022-07-26 13:52:27,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:27" (1/1) ... [2022-07-26 13:52:27,389 INFO L137 Inliner]: procedures = 25, calls = 100, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 269 [2022-07-26 13:52:27,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 13:52:27,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 13:52:27,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 13:52:27,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 13:52:27,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:27" (1/1) ... [2022-07-26 13:52:27,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:27" (1/1) ... [2022-07-26 13:52:27,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:27" (1/1) ... [2022-07-26 13:52:27,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:27" (1/1) ... [2022-07-26 13:52:27,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:27" (1/1) ... [2022-07-26 13:52:27,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:27" (1/1) ... [2022-07-26 13:52:27,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:27" (1/1) ... [2022-07-26 13:52:27,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 13:52:27,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 13:52:27,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 13:52:27,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 13:52:27,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:27" (1/1) ... [2022-07-26 13:52:27,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:52:27,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:52:27,469 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 13:52:27,496 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 13:52:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 13:52:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 13:52:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 13:52:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 13:52:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-26 13:52:27,513 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-26 13:52:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-26 13:52:27,513 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-26 13:52:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-07-26 13:52:27,514 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-07-26 13:52:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-07-26 13:52:27,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-07-26 13:52:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 13:52:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-07-26 13:52:27,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-07-26 13:52:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-07-26 13:52:27,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-07-26 13:52:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-26 13:52:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-26 13:52:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 13:52:27,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 13:52:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 13:52:27,517 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 13:52:27,642 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 13:52:27,643 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 13:52:27,961 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 13:52:28,039 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 13:52:28,039 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-26 13:52:28,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:52:28 BoogieIcfgContainer [2022-07-26 13:52:28,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 13:52:28,042 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 13:52:28,042 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 13:52:28,046 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 13:52:28,046 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:52:28,046 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 01:52:26" (1/3) ... [2022-07-26 13:52:28,047 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53cd82b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:52:28, skipping insertion in model container [2022-07-26 13:52:28,047 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:52:28,047 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:52:27" (2/3) ... [2022-07-26 13:52:28,048 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53cd82b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:52:28, skipping insertion in model container [2022-07-26 13:52:28,048 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:52:28,048 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:52:28" (3/3) ... [2022-07-26 13:52:28,049 INFO L322 chiAutomizerObserver]: Analyzing ICFG parallel-ticket-6.wvr.c [2022-07-26 13:52:28,128 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2022-07-26 13:52:28,157 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 195 places, 184 transitions, 416 flow [2022-07-26 13:52:28,206 INFO L129 PetriNetUnfolder]: 2/172 cut-off events. [2022-07-26 13:52:28,206 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-07-26 13:52:28,209 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 172 events. 2/172 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 79 event pairs, 0 based on Foata normal form. 0/170 useless extension candidates. Maximal degree in co-relation 130. Up to 2 conditions per place. [2022-07-26 13:52:28,210 INFO L82 GeneralOperation]: Start removeDead. Operand has 195 places, 184 transitions, 416 flow [2022-07-26 13:52:28,217 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 189 places, 172 transitions, 380 flow [2022-07-26 13:52:28,220 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-26 13:52:28,231 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 189 places, 172 transitions, 380 flow [2022-07-26 13:52:28,233 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 189 places, 172 transitions, 380 flow [2022-07-26 13:52:28,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 189 places, 172 transitions, 380 flow [2022-07-26 13:52:28,293 INFO L129 PetriNetUnfolder]: 2/172 cut-off events. [2022-07-26 13:52:28,293 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-07-26 13:52:28,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 172 events. 2/172 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 78 event pairs, 0 based on Foata normal form. 0/170 useless extension candidates. Maximal degree in co-relation 130. Up to 2 conditions per place. [2022-07-26 13:52:28,297 INFO L116 LiptonReduction]: Number of co-enabled transitions 3042 [2022-07-26 13:52:35,334 INFO L131 LiptonReduction]: Checked pairs total: 6779 [2022-07-26 13:52:35,334 INFO L133 LiptonReduction]: Total number of compositions: 141 [2022-07-26 13:52:35,351 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 13:52:35,351 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 13:52:35,351 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 13:52:35,352 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 13:52:35,352 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 13:52:35,352 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 13:52:35,352 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 13:52:35,352 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 13:52:35,354 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 13:52:35,830 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:52:35,831 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 13:52:35,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 01:52:35 BoogieIcfgContainer [2022-07-26 13:52:35,835 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 13:52:35,838 INFO L158 Benchmark]: Toolchain (without parser) took 8841.83ms. Allocated memory was 179.3MB in the beginning and 216.0MB in the end (delta: 36.7MB). Free memory was 127.4MB in the beginning and 162.6MB in the end (delta: -35.1MB). Peak memory consumption was 110.8MB. Max. memory is 8.0GB. [2022-07-26 13:52:35,838 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 179.3MB. Free memory is still 144.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 13:52:35,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.63ms. Allocated memory is still 179.3MB. Free memory was 127.3MB in the beginning and 151.8MB in the end (delta: -24.5MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. [2022-07-26 13:52:35,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.08ms. Allocated memory is still 179.3MB. Free memory was 151.8MB in the beginning and 149.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-26 13:52:35,841 INFO L158 Benchmark]: Boogie Preprocessor took 30.68ms. Allocated memory is still 179.3MB. Free memory was 149.7MB in the beginning and 148.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 13:52:35,841 INFO L158 Benchmark]: RCFGBuilder took 615.73ms. Allocated memory is still 179.3MB. Free memory was 147.6MB in the beginning and 123.5MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2022-07-26 13:52:35,842 INFO L158 Benchmark]: BuchiAutomizer took 7793.23ms. Allocated memory was 179.3MB in the beginning and 216.0MB in the end (delta: 36.7MB). Free memory was 123.0MB in the beginning and 162.6MB in the end (delta: -39.6MB). Peak memory consumption was 107.2MB. Max. memory is 8.0GB. [2022-07-26 13:52:35,849 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 179.3MB. Free memory is still 144.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 327.63ms. Allocated memory is still 179.3MB. Free memory was 127.3MB in the beginning and 151.8MB in the end (delta: -24.5MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 66.08ms. Allocated memory is still 179.3MB. Free memory was 151.8MB in the beginning and 149.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.68ms. Allocated memory is still 179.3MB. Free memory was 149.7MB in the beginning and 148.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 615.73ms. Allocated memory is still 179.3MB. Free memory was 147.6MB in the beginning and 123.5MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * BuchiAutomizer took 7793.23ms. Allocated memory was 179.3MB in the beginning and 216.0MB in the end (delta: 36.7MB). Free memory was 123.0MB in the beginning and 162.6MB in the end (delta: -39.6MB). Peak memory consumption was 107.2MB. 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 7.6s 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: 7.2s - 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: 7.1s, 189 PlacesBefore, 57 PlacesAfterwards, 172 TransitionsBefore, 38 TransitionsAfterwards, 3042 CoEnabledTransitionPairs, 7 FixpointIterations, 82 TrivialSequentialCompositions, 51 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 141 TotalNumberOfCompositions, 6779 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3567, positive: 3424, positive conditional: 0, positive unconditional: 3424, negative: 143, negative conditional: 0, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2056, positive: 2009, positive conditional: 0, positive unconditional: 2009, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2056, positive: 1932, positive conditional: 0, positive unconditional: 1932, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 124, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 248, positive: 137, positive conditional: 0, positive unconditional: 137, negative: 111, negative conditional: 0, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3567, positive: 1415, positive conditional: 0, positive unconditional: 1415, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 2056, unknown conditional: 0, unknown unconditional: 2056] , Statistics on independence cache: Total cache size (in pairs): 201, Positive cache size: 183, Positive conditional cache size: 0, Positive unconditional cache size: 183, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 RESULT: Ultimate proved your program to be correct! [2022-07-26 13:52:35,889 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...