/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-noLbe.epf -i ../../../trunk/examples/svcomp/weaver/chl-nzb-file-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 13:29:46,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 13:29:46,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 13:29:46,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-26 13:29:46,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-26 13:29:46,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-26 13:29:46,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-26 13:29:46,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-26 13:29:46,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-26 13:29:46,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-26 13:29:46,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-26 13:29:46,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-26 13:29:46,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 13:29:46,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 13:29:46,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 13:29:46,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 13:29:46,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 13:29:46,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 13:29:46,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 13:29:47,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 13:29:47,005 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 13:29:47,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 13:29:47,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 13:29:47,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 13:29:47,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 13:29:47,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-26 13:29:47,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-26 13:29:47,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-26 13:29:47,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-26 13:29:47,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-26 13:29:47,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-26 13:29:47,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-26 13:29:47,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-26 13:29:47,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-26 13:29:47,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 13:29:47,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 13:29:47,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 13:29:47,027 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2022-07-26 13:29:47,065 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 13:29:47,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 13:29:47,066 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 13:29:47,066 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 13:29:47,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 13:29:47,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 13:29:47,069 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 13:29:47,069 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 13:29:47,069 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 13:29:47,070 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 13:29:47,070 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 13:29:47,071 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 13:29:47,071 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 13:29:47,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 13:29:47,071 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 13:29:47,071 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 13:29:47,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 13:29:47,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 13:29:47,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 13:29:47,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 13:29:47,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 13:29:47,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 13:29:47,072 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 13:29:47,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 13:29:47,072 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 13:29:47,073 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 13:29:47,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 13:29:47,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 13:29:47,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 13:29:47,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 13:29:47,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 13:29:47,074 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-26 13:29:47,074 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 13:29:47,075 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 13:29:47,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 13:29:47,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 13:29:47,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 13:29:47,321 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 13:29:47,322 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 13:29:47,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-nzb-file-trans.wvr.c [2022-07-26 13:29:47,383 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e564460c/b2c6b0550d8a4621abdddb58122f23bd/FLAG424e80850 [2022-07-26 13:29:47,787 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 13:29:47,788 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-nzb-file-trans.wvr.c [2022-07-26 13:29:47,794 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e564460c/b2c6b0550d8a4621abdddb58122f23bd/FLAG424e80850 [2022-07-26 13:29:47,817 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e564460c/b2c6b0550d8a4621abdddb58122f23bd [2022-07-26 13:29:47,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 13:29:47,821 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 13:29:47,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 13:29:47,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 13:29:47,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 13:29:47,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:29:47" (1/1) ... [2022-07-26 13:29:47,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4522ec24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:29:47, skipping insertion in model container [2022-07-26 13:29:47,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:29:47" (1/1) ... [2022-07-26 13:29:47,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 13:29:47,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 13:29:48,138 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/chl-nzb-file-trans.wvr.c[6450,6463] [2022-07-26 13:29:48,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:29:48,156 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 13:29:48,193 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/chl-nzb-file-trans.wvr.c[6450,6463] [2022-07-26 13:29:48,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:29:48,210 INFO L208 MainTranslator]: Completed translation [2022-07-26 13:29:48,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:29:48 WrapperNode [2022-07-26 13:29:48,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 13:29:48,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 13:29:48,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 13:29:48,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 13:29:48,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:29:48" (1/1) ... [2022-07-26 13:29:48,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:29:48" (1/1) ... [2022-07-26 13:29:48,284 INFO L137 Inliner]: procedures = 26, calls = 76, calls flagged for inlining = 28, calls inlined = 42, statements flattened = 628 [2022-07-26 13:29:48,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 13:29:48,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 13:29:48,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 13:29:48,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 13:29:48,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:29:48" (1/1) ... [2022-07-26 13:29:48,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:29:48" (1/1) ... [2022-07-26 13:29:48,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:29:48" (1/1) ... [2022-07-26 13:29:48,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:29:48" (1/1) ... [2022-07-26 13:29:48,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:29:48" (1/1) ... [2022-07-26 13:29:48,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:29:48" (1/1) ... [2022-07-26 13:29:48,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:29:48" (1/1) ... [2022-07-26 13:29:48,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 13:29:48,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 13:29:48,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 13:29:48,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 13:29:48,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:29:48" (1/1) ... [2022-07-26 13:29:48,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:29:48,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:29:48,401 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 13:29:48,429 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 13:29:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 13:29:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 13:29:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 13:29:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 13:29:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-26 13:29:48,454 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-26 13:29:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-26 13:29:48,455 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-26 13:29:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-07-26 13:29:48,455 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-07-26 13:29:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 13:29:48,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-26 13:29:48,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 13:29:48,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 13:29:48,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 13:29:48,458 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 13:29:48,633 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 13:29:48,635 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 13:29:49,503 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 13:29:49,524 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 13:29:49,524 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-07-26 13:29:49,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:29:49 BoogieIcfgContainer [2022-07-26 13:29:49,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 13:29:49,528 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 13:29:49,528 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 13:29:49,532 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 13:29:49,532 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:29:49,532 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 01:29:47" (1/3) ... [2022-07-26 13:29:49,533 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e8a16dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:29:49, skipping insertion in model container [2022-07-26 13:29:49,534 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:29:49,534 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:29:48" (2/3) ... [2022-07-26 13:29:49,534 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e8a16dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:29:49, skipping insertion in model container [2022-07-26 13:29:49,534 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:29:49,534 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:29:49" (3/3) ... [2022-07-26 13:29:49,538 INFO L322 chiAutomizerObserver]: Analyzing ICFG chl-nzb-file-trans.wvr.c [2022-07-26 13:29:49,775 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-07-26 13:29:49,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 751 places, 835 transitions, 1694 flow [2022-07-26 13:29:50,207 INFO L129 PetriNetUnfolder]: 91/829 cut-off events. [2022-07-26 13:29:50,208 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-07-26 13:29:50,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 842 conditions, 829 events. 91/829 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3023 event pairs, 0 based on Foata normal form. 0/738 useless extension candidates. Maximal degree in co-relation 616. Up to 2 conditions per place. [2022-07-26 13:29:50,250 INFO L82 GeneralOperation]: Start removeDead. Operand has 751 places, 835 transitions, 1694 flow [2022-07-26 13:29:50,340 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 748 places, 829 transitions, 1676 flow [2022-07-26 13:29:50,349 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 13:29:50,349 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 13:29:50,349 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 13:29:50,349 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 13:29:50,349 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 13:29:50,349 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 13:29:50,349 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 13:29:50,349 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 13:29:50,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states