/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/parallel-barrier-loop.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 13:30:55,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 13:30:55,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 13:30:55,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-26 13:30:55,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-26 13:30:55,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-26 13:30:55,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-26 13:30:55,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-26 13:30:55,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-26 13:30:55,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-26 13:30:55,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-26 13:30:55,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-26 13:30:55,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 13:30:55,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 13:30:55,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 13:30:55,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 13:30:55,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 13:30:55,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 13:30:55,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 13:30:55,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 13:30:55,561 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 13:30:55,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 13:30:55,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 13:30:55,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 13:30:55,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 13:30:55,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-26 13:30:55,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-26 13:30:55,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-26 13:30:55,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-26 13:30:55,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-26 13:30:55,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-26 13:30:55,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-26 13:30:55,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-26 13:30:55,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-26 13:30:55,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 13:30:55,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 13:30:55,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 13:30:55,582 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 13:30:55,621 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 13:30:55,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 13:30:55,622 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 13:30:55,622 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 13:30:55,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 13:30:55,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 13:30:55,623 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 13:30:55,623 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 13:30:55,624 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 13:30:55,624 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 13:30:55,624 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 13:30:55,625 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 13:30:55,625 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 13:30:55,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 13:30:55,625 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 13:30:55,626 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 13:30:55,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 13:30:55,626 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 13:30:55,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 13:30:55,626 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 13:30:55,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 13:30:55,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 13:30:55,627 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 13:30:55,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 13:30:55,627 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 13:30:55,627 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 13:30:55,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 13:30:55,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 13:30:55,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 13:30:55,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 13:30:55,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 13:30:55,628 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-26 13:30:55,630 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 13:30:55,630 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 13:30:55,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 13:30:55,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 13:30:55,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 13:30:55,899 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 13:30:55,903 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 13:30:55,905 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-barrier-loop.wvr.c [2022-07-26 13:30:55,984 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/370a67217/10e4539bb7464ae6bba60bf38299517e/FLAG00f255a19 [2022-07-26 13:30:56,359 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 13:30:56,360 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-barrier-loop.wvr.c [2022-07-26 13:30:56,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/370a67217/10e4539bb7464ae6bba60bf38299517e/FLAG00f255a19 [2022-07-26 13:30:56,755 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/370a67217/10e4539bb7464ae6bba60bf38299517e [2022-07-26 13:30:56,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 13:30:56,759 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 13:30:56,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 13:30:56,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 13:30:56,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 13:30:56,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:30:56" (1/1) ... [2022-07-26 13:30:56,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a14e2fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:30:56, skipping insertion in model container [2022-07-26 13:30:56,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:30:56" (1/1) ... [2022-07-26 13:30:56,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 13:30:56,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 13:30:56,988 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-loop.wvr.c[5938,5951] [2022-07-26 13:30:56,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:30:56,998 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 13:30:57,024 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-loop.wvr.c[5938,5951] [2022-07-26 13:30:57,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:30:57,038 INFO L208 MainTranslator]: Completed translation [2022-07-26 13:30:57,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:30:57 WrapperNode [2022-07-26 13:30:57,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 13:30:57,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 13:30:57,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 13:30:57,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 13:30:57,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:30:57" (1/1) ... [2022-07-26 13:30:57,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:30:57" (1/1) ... [2022-07-26 13:30:57,090 INFO L137 Inliner]: procedures = 25, calls = 120, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 248 [2022-07-26 13:30:57,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 13:30:57,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 13:30:57,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 13:30:57,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 13:30:57,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:30:57" (1/1) ... [2022-07-26 13:30:57,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:30:57" (1/1) ... [2022-07-26 13:30:57,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:30:57" (1/1) ... [2022-07-26 13:30:57,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:30:57" (1/1) ... [2022-07-26 13:30:57,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:30:57" (1/1) ... [2022-07-26 13:30:57,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:30:57" (1/1) ... [2022-07-26 13:30:57,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:30:57" (1/1) ... [2022-07-26 13:30:57,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 13:30:57,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 13:30:57,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 13:30:57,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 13:30:57,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:30:57" (1/1) ... [2022-07-26 13:30:57,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:30:57,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:30:57,173 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 13:30:57,195 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 13:30:57,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 13:30:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 13:30:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 13:30:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 13:30:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-26 13:30:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-26 13:30:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-26 13:30:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-26 13:30:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-07-26 13:30:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-07-26 13:30:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-07-26 13:30:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-07-26 13:30:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 13:30:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-07-26 13:30:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-07-26 13:30:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-07-26 13:30:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-07-26 13:30:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-26 13:30:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-26 13:30:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 13:30:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 13:30:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 13:30:57,224 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 13:30:57,308 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 13:30:57,309 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 13:30:57,611 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 13:30:57,716 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 13:30:57,716 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-26 13:30:57,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:30:57 BoogieIcfgContainer [2022-07-26 13:30:57,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 13:30:57,720 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 13:30:57,720 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 13:30:57,727 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 13:30:57,728 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:30:57,728 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 01:30:56" (1/3) ... [2022-07-26 13:30:57,729 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45576688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:30:57, skipping insertion in model container [2022-07-26 13:30:57,729 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:30:57,729 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:30:57" (2/3) ... [2022-07-26 13:30:57,729 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45576688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:30:57, skipping insertion in model container [2022-07-26 13:30:57,729 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:30:57,730 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:30:57" (3/3) ... [2022-07-26 13:30:57,731 INFO L322 chiAutomizerObserver]: Analyzing ICFG parallel-barrier-loop.wvr.c [2022-07-26 13:30:57,901 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2022-07-26 13:30:57,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 256 places, 257 transitions, 586 flow [2022-07-26 13:30:58,037 INFO L129 PetriNetUnfolder]: 14/223 cut-off events. [2022-07-26 13:30:58,037 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-07-26 13:30:58,054 INFO L84 FinitePrefix]: Finished finitePrefix Result has 252 conditions, 223 events. 14/223 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 362 event pairs, 0 based on Foata normal form. 0/209 useless extension candidates. Maximal degree in co-relation 187. Up to 3 conditions per place. [2022-07-26 13:30:58,054 INFO L82 GeneralOperation]: Start removeDead. Operand has 256 places, 257 transitions, 586 flow [2022-07-26 13:30:58,072 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 228 places, 223 transitions, 494 flow [2022-07-26 13:30:58,084 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 13:30:58,084 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 13:30:58,084 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 13:30:58,085 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 13:30:58,085 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 13:30:58,085 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 13:30:58,085 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 13:30:58,086 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 13:30:58,088 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states