./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fdf21b24c583a6d136f11a4b24a73548bc1166a9ff6f145f509a3c93fdab8434 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:14:01,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:14:01,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:14:01,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:14:01,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:14:01,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:14:01,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:14:01,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:14:01,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:14:01,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:14:01,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:14:01,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:14:01,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:14:01,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:14:01,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:14:01,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:14:01,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:14:01,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:14:01,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:14:01,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:14:01,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:14:01,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:14:01,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:14:01,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:14:01,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:14:01,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:14:01,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:14:01,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:14:01,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:14:01,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:14:01,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:14:01,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:14:01,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:14:01,523 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:14:01,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:14:01,525 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:14:01,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:14:01,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:14:01,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:14:01,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:14:01,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:14:01,528 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:14:01,565 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:14:01,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:14:01,566 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:14:01,566 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:14:01,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:14:01,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:14:01,568 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:14:01,568 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:14:01,568 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:14:01,568 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:14:01,569 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:14:01,569 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:14:01,569 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:14:01,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:14:01,569 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:14:01,569 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:14:01,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:14:01,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:14:01,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:14:01,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:14:01,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:14:01,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:14:01,570 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:14:01,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:14:01,571 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:14:01,572 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:14:01,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:14:01,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:14:01,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:14:01,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:14:01,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:14:01,573 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:14:01,574 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdf21b24c583a6d136f11a4b24a73548bc1166a9ff6f145f509a3c93fdab8434 [2022-02-21 04:14:01,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:14:01,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:14:01,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:14:01,814 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:14:01,821 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:14:01,823 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c [2022-02-21 04:14:01,904 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/289ab5692/ffb05e0f033444dd878f0b73a5cf907f/FLAGa433fd1e6 [2022-02-21 04:14:02,417 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:14:02,418 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c [2022-02-21 04:14:02,435 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/289ab5692/ffb05e0f033444dd878f0b73a5cf907f/FLAGa433fd1e6 [2022-02-21 04:14:02,921 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/289ab5692/ffb05e0f033444dd878f0b73a5cf907f [2022-02-21 04:14:02,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:14:02,924 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:14:02,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:14:02,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:14:02,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:14:02,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:14:02" (1/1) ... [2022-02-21 04:14:02,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f84f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:02, skipping insertion in model container [2022-02-21 04:14:02,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:14:02" (1/1) ... [2022-02-21 04:14:02,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:14:03,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:14:03,493 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c[73270,73283] [2022-02-21 04:14:03,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:14:03,505 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:14:03,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c[73270,73283] [2022-02-21 04:14:03,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:14:03,667 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:14:03,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:03 WrapperNode [2022-02-21 04:14:03,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:14:03,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:14:03,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:14:03,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:14:03,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:03" (1/1) ... [2022-02-21 04:14:03,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:03" (1/1) ... [2022-02-21 04:14:06,413 INFO L137 Inliner]: procedures = 152, calls = 288, calls flagged for inlining = 189, calls inlined = 17965, statements flattened = 241730 [2022-02-21 04:14:06,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:14:06,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:14:06,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:14:06,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:14:06,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:03" (1/1) ... [2022-02-21 04:14:06,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:03" (1/1) ... [2022-02-21 04:14:06,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:03" (1/1) ... [2022-02-21 04:14:06,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:03" (1/1) ... [2022-02-21 04:14:08,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:03" (1/1) ... [2022-02-21 04:14:08,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:03" (1/1) ... [2022-02-21 04:14:08,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:03" (1/1) ... [2022-02-21 04:14:09,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:14:09,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:14:09,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:14:09,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:14:09,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:03" (1/1) ... [2022-02-21 04:14:09,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:14:09,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:14:09,445 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) [2022-02-21 04:14:09,449 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 [2022-02-21 04:14:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-02-21 04:14:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:14:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:14:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:14:09,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:14:09,876 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:14:09,877 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:14:48,820 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:14:48,920 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:14:48,920 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-21 04:14:48,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:14:48 BoogieIcfgContainer [2022-02-21 04:14:48,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:14:48,946 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:14:48,946 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:14:48,948 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:14:48,949 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:14:48,949 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:14:02" (1/3) ... [2022-02-21 04:14:48,950 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49721365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:14:48, skipping insertion in model container [2022-02-21 04:14:48,950 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:14:48,950 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:03" (2/3) ... [2022-02-21 04:14:48,950 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49721365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:14:48, skipping insertion in model container [2022-02-21 04:14:48,950 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:14:48,950 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:14:48" (3/3) ... [2022-02-21 04:14:48,951 INFO L388 chiAutomizerObserver]: Analyzing ICFG email_spec8_productSimulator.cil.c [2022-02-21 04:14:48,980 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:14:48,981 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:14:48,981 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:14:48,981 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:14:48,981 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:14:48,981 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:14:48,981 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:14:48,981 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:14:49,484 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 39254 states, 39253 states have (on average 1.5382518533615266) internal successors, (60381), 39253 states have internal predecessors, (60381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)