./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec0_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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_spec0_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 1b548755c8e9cfcfe9ed8b47fb1ac823ac6821056e7770bffa975fdbf413b243 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 15:53:05,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 15:53:05,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 15:53:05,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 15:53:05,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 15:53:05,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 15:53:05,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 15:53:05,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 15:53:05,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 15:53:05,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 15:53:05,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 15:53:05,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 15:53:05,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 15:53:05,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 15:53:05,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 15:53:05,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 15:53:05,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 15:53:05,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 15:53:05,528 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 15:53:05,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 15:53:05,532 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 15:53:05,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 15:53:05,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 15:53:05,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 15:53:05,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 15:53:05,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 15:53:05,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 15:53:05,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 15:53:05,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 15:53:05,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 15:53:05,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 15:53:05,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 15:53:05,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 15:53:05,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 15:53:05,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 15:53:05,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 15:53:05,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 15:53:05,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 15:53:05,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 15:53:05,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 15:53:05,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 15:53:05,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 15:53:05,550 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-14 15:53:05,567 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 15:53:05,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 15:53:05,568 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 15:53:05,568 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 15:53:05,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 15:53:05,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 15:53:05,569 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 15:53:05,569 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 15:53:05,570 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 15:53:05,570 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 15:53:05,570 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 15:53:05,570 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 15:53:05,571 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 15:53:05,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 15:53:05,571 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 15:53:05,571 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 15:53:05,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 15:53:05,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 15:53:05,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 15:53:05,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 15:53:05,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 15:53:05,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 15:53:05,573 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 15:53:05,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 15:53:05,573 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 15:53:05,573 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 15:53:05,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 15:53:05,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 15:53:05,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 15:53:05,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 15:53:05,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 15:53:05,574 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 15:53:05,575 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b548755c8e9cfcfe9ed8b47fb1ac823ac6821056e7770bffa975fdbf413b243 [2022-07-14 15:53:05,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 15:53:05,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 15:53:05,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 15:53:05,766 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 15:53:05,766 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 15:53:05,767 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_productSimulator.cil.c [2022-07-14 15:53:05,808 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86871540a/cc894b632e5a4dbba2ab3ea769483f94/FLAGe705874fd [2022-07-14 15:53:06,297 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 15:53:06,297 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_productSimulator.cil.c [2022-07-14 15:53:06,309 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86871540a/cc894b632e5a4dbba2ab3ea769483f94/FLAGe705874fd [2022-07-14 15:53:06,319 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86871540a/cc894b632e5a4dbba2ab3ea769483f94 [2022-07-14 15:53:06,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 15:53:06,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 15:53:06,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 15:53:06,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 15:53:06,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 15:53:06,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:53:06" (1/1) ... [2022-07-14 15:53:06,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2249b494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:06, skipping insertion in model container [2022-07-14 15:53:06,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:53:06" (1/1) ... [2022-07-14 15:53:06,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 15:53:06,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 15:53:06,650 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_spec0_productSimulator.cil.c[14867,14880] [2022-07-14 15:53:06,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:53:06,849 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 15:53:06,880 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_spec0_productSimulator.cil.c[14867,14880] [2022-07-14 15:53:06,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:53:06,978 INFO L208 MainTranslator]: Completed translation [2022-07-14 15:53:06,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:06 WrapperNode [2022-07-14 15:53:06,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 15:53:06,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 15:53:06,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 15:53:06,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 15:53:06,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:06" (1/1) ... [2022-07-14 15:53:07,030 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:06" (1/1) ... [2022-07-14 15:53:09,283 INFO L137 Inliner]: procedures = 151, calls = 282, calls flagged for inlining = 187, calls inlined = 18701, statements flattened = 249662 [2022-07-14 15:53:09,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 15:53:09,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 15:53:09,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 15:53:09,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 15:53:09,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:06" (1/1) ... [2022-07-14 15:53:09,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:06" (1/1) ... [2022-07-14 15:53:09,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:06" (1/1) ... [2022-07-14 15:53:09,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:06" (1/1) ... [2022-07-14 15:53:11,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:06" (1/1) ... [2022-07-14 15:53:11,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:06" (1/1) ... [2022-07-14 15:53:12,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:06" (1/1) ... [2022-07-14 15:53:12,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 15:53:12,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 15:53:12,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 15:53:12,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 15:53:12,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:06" (1/1) ... [2022-07-14 15:53:12,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:53:12,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:53:12,872 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) [2022-07-14 15:53:12,874 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 [2022-07-14 15:53:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-07-14 15:53:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 15:53:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 15:53:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 15:53:12,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 15:53:13,461 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 15:53:13,462 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 15:53:42,301 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 15:53:42,432 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 15:53:42,432 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 15:53:42,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:53:42 BoogieIcfgContainer [2022-07-14 15:53:42,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 15:53:42,464 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 15:53:42,464 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 15:53:42,466 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 15:53:42,467 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:53:42,467 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 03:53:06" (1/3) ... [2022-07-14 15:53:42,468 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@25de8fcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:53:42, skipping insertion in model container [2022-07-14 15:53:42,468 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:53:42,468 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:06" (2/3) ... [2022-07-14 15:53:42,468 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@25de8fcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:53:42, skipping insertion in model container [2022-07-14 15:53:42,468 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:53:42,468 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:53:42" (3/3) ... [2022-07-14 15:53:42,469 INFO L354 chiAutomizerObserver]: Analyzing ICFG email_spec0_productSimulator.cil.c [2022-07-14 15:53:43,001 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 15:53:43,002 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 15:53:43,002 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 15:53:43,002 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 15:53:43,002 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 15:53:43,002 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 15:53:43,002 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 15:53:43,003 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 15:53:43,082 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 40534 states, 40533 states have (on average 1.5323070091036932) internal successors, (62109), 40533 states have internal predecessors, (62109), 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) [2022-07-14 15:53:43,469 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 293 [2022-07-14 15:53:43,469 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:53:43,469 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:53:43,476 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:53:43,476 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:53:43,476 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 15:53:43,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 40534 states, 40533 states have (on average 1.5323070091036932) internal successors, (62109), 40533 states have internal predecessors, (62109), 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) [2022-07-14 15:53:43,789 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 293 [2022-07-14 15:53:43,790 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:53:43,790 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:53:43,795 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:53:43,795 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:53:43,804 INFO L752 eck$LassoCheckResult]: Stem: 28268#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(35, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(34, 5);call #Ultimate.allocInit(30, 6);call #Ultimate.allocInit(16, 7);call #Ultimate.allocInit(20, 8);call #Ultimate.allocInit(22, 9);call #Ultimate.allocInit(21, 10);call #Ultimate.allocInit(4, 11);call write~init~int(37, 11, 0, 1);call write~init~int(115, 11, 1, 1);call write~init~int(10, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(44, 12);call #Ultimate.allocInit(44, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(9, 15);call #Ultimate.allocInit(11, 16);call #Ultimate.allocInit(19, 17);call #Ultimate.allocInit(4, 18);call write~init~int(37, 18, 0, 1);call write~init~int(100, 18, 1, 1);call write~init~int(10, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(4, 19);call write~init~int(37, 19, 0, 1);call write~init~int(100, 19, 1, 1);call write~init~int(10, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(16, 20);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(12, 22);call #Ultimate.allocInit(10, 23);call #Ultimate.allocInit(18, 24);call #Ultimate.allocInit(16, 25);call #Ultimate.allocInit(21, 26);call #Ultimate.allocInit(13, 27);call #Ultimate.allocInit(16, 28);call #Ultimate.allocInit(25, 29);call #Ultimate.allocInit(30, 30);call #Ultimate.allocInit(9, 31);call #Ultimate.allocInit(21, 32);call #Ultimate.allocInit(30, 33);call #Ultimate.allocInit(9, 34);call #Ultimate.allocInit(21, 35);call #Ultimate.allocInit(30, 36);call #Ultimate.allocInit(9, 37);call #Ultimate.allocInit(25, 38);call #Ultimate.allocInit(30, 39);call #Ultimate.allocInit(9, 40);call #Ultimate.allocInit(25, 41);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 25134#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret55#1, main_~retValue_acc~36#1, main_~tmp~16#1;havoc main_~retValue_acc~36#1;havoc main_~tmp~16#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 32360#L96true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret5#1, select_features_#t~ret6#1, select_features_#t~ret7#1, select_features_#t~ret8#1, select_features_#t~ret9#1, select_features_#t~ret10#1, select_features_#t~ret11#1, select_features_#t~ret12#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet4#1, select_one_~retValue_acc~0#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~0#1;select_one_~choice~0#1 := select_one_#t~nondet4#1;havoc select_one_#t~nondet4#1;select_one_~retValue_acc~0#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~0#1; 27108#L69true select_features_#t~ret5#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret5#1;havoc select_features_#t~ret5#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet4#1, select_one_~retValue_acc~0#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~0#1;select_one_~choice~0#1 := select_one_#t~nondet4#1;havoc select_one_#t~nondet4#1;select_one_~retValue_acc~0#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~0#1; 9691#L69-1true select_features_#t~ret6#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret6#1;havoc select_features_#t~ret6#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet4#1, select_one_~retValue_acc~0#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~0#1;select_one_~choice~0#1 := select_one_#t~nondet4#1;havoc select_one_#t~nondet4#1;select_one_~retValue_acc~0#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~0#1; 5727#L69-2true select_features_#t~ret7#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret7#1;havoc select_features_#t~ret7#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet4#1, select_one_~retValue_acc~0#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~0#1;select_one_~choice~0#1 := select_one_#t~nondet4#1;havoc select_one_#t~nondet4#1;select_one_~retValue_acc~0#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~0#1; 24986#L69-3true select_features_#t~ret8#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret8#1;havoc select_features_#t~ret8#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet4#1, select_one_~retValue_acc~0#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~0#1;select_one_~choice~0#1 := select_one_#t~nondet4#1;havoc select_one_#t~nondet4#1;select_one_~retValue_acc~0#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~0#1; 16870#L69-4true select_features_#t~ret9#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret9#1;havoc select_features_#t~ret9#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet4#1, select_one_~retValue_acc~0#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~0#1;select_one_~choice~0#1 := select_one_#t~nondet4#1;havoc select_one_#t~nondet4#1;select_one_~retValue_acc~0#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~0#1; 27335#L69-5true select_features_#t~ret10#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret10#1;havoc select_features_#t~ret10#1;~__SELECTED_FEATURE_Forward~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet4#1, select_one_~retValue_acc~0#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~0#1;select_one_~choice~0#1 := select_one_#t~nondet4#1;havoc select_one_#t~nondet4#1;select_one_~retValue_acc~0#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~0#1; 21731#L69-6true select_features_#t~ret11#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret11#1;havoc select_features_#t~ret11#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet4#1, select_one_~retValue_acc~0#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~0#1;select_one_~choice~0#1 := select_one_#t~nondet4#1;havoc select_one_#t~nondet4#1;select_one_~retValue_acc~0#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~0#1; 37080#L69-7true select_features_#t~ret12#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret12#1;havoc select_features_#t~ret12#1; 19125#L88true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1, valid_product_~tmp~0#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~tmp~0#1; 32421#L104true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 34834#L107true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~0#1 := 0; 16255#L107-1true valid_product_~retValue_acc~1#1 := valid_product_~tmp~0#1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 21981#L164true main_#t~ret55#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~16#1 := main_#t~ret55#1;havoc main_#t~ret55#1; 2252#L2452true assume 0 != main_~tmp~16#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet52#1, setup_#t~nondet53#1, setup_#t~nondet54#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1; 12016#L2296true assume !(0 != ~__SELECTED_FEATURE_Keys~0);assume { :begin_inline_setup_bob__before__Keys } true;setup_bob__before__Keys_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__before__Keys_~bob___0#1;setup_bob__before__Keys_~bob___0#1 := setup_bob__before__Keys_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__before__Keys_~bob___0#1, setup_bob__before__Keys_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 38063#L1832-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 9326#L1838-5true assume { :end_inline_setClientId } true; 12666#L2278-1true assume { :end_inline_setup_bob__before__Keys } true; 34254#L2305true assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 14, 0;havoc setup_#t~nondet52#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1; 33045#L2334true assume !(0 != ~__SELECTED_FEATURE_Keys~0);assume { :begin_inline_setup_rjh__before__Keys } true;setup_rjh__before__Keys_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__before__Keys_~rjh___0#1;setup_rjh__before__Keys_~rjh___0#1 := setup_rjh__before__Keys_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__before__Keys_~rjh___0#1, setup_rjh__before__Keys_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 16486#L1832-6true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 40#L1838-11true assume { :end_inline_setClientId } true; 20705#L2316-1true assume { :end_inline_setup_rjh__before__Keys } true; 24379#L2343true assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 15, 0;havoc setup_#t~nondet53#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1; 22741#L2372true assume !(0 != ~__SELECTED_FEATURE_Keys~0);assume { :begin_inline_setup_chuck__before__Keys } true;setup_chuck__before__Keys_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__before__Keys_~chuck___0#1;setup_chuck__before__Keys_~chuck___0#1 := setup_chuck__before__Keys_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__before__Keys_~chuck___0#1, setup_chuck__before__Keys_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 25479#L1832-10true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 19574#L1838-17true assume { :end_inline_setClientId } true; 26720#L2354-1true assume { :end_inline_setup_chuck__before__Keys } true; 1677#L2381true assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset := 16, 0;havoc setup_#t~nondet54#1; 26553#L2439true assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet67#1, test_#t~nondet68#1, test_#t~nondet69#1, test_#t~nondet70#1, test_#t~nondet71#1, test_#t~nondet72#1, test_#t~nondet73#1, test_#t~nondet74#1, test_#t~nondet75#1, test_#t~nondet76#1, test_#t~nondet77#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~18#1, test_~tmp___0~6#1, test_~tmp___1~4#1, test_~tmp___2~3#1, test_~tmp___3~1#1, test_~tmp___4~1#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~18#1;havoc test_~tmp___0~6#1;havoc test_~tmp___1~4#1;havoc test_~tmp___2~3#1;havoc test_~tmp___3~1#1;havoc test_~tmp___4~1#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 38749#L2840-1true [2022-07-14 15:53:43,804 INFO L754 eck$LassoCheckResult]: Loop: 38749#L2840-1true assume !false; 34972#L2649true assume test_~splverifierCounter~0#1 < 4; 7386#L2650true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 30341#L2656true assume 0 == test_~op1~0#1;test_~tmp___9~0#1 := test_#t~nondet67#1;havoc test_#t~nondet67#1; 30997#L2660true assume 0 != test_~tmp___9~0#1; 35938#L2661true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 11571#L2661-2true test_~op1~0#1 := 1; 38749#L2840-1true [2022-07-14 15:53:43,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:53:43,809 INFO L85 PathProgramCache]: Analyzing trace with hash 992852765, now seen corresponding path program 1 times [2022-07-14 15:53:43,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:53:43,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866341115] [2022-07-14 15:53:43,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:53:43,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:53:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:53:44,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:53:44,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 15:53:44,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866341115] [2022-07-14 15:53:44,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866341115] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 15:53:44,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 15:53:44,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 15:53:44,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679848154] [2022-07-14 15:53:44,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 15:53:44,065 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-14 15:53:44,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:53:44,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1440997990, now seen corresponding path program 1 times [2022-07-14 15:53:44,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:53:44,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786352105] [2022-07-14 15:53:44,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:53:44,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:53:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:53:44,078 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:53:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:53:44,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:53:44,144 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 15:53:44,145 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 15:53:44,145 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 15:53:44,145 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 15:53:44,145 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-14 15:53:44,145 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:53:44,145 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 15:53:44,145 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 15:53:44,145 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_productSimulator.cil.c_Iteration1_Loop [2022-07-14 15:53:44,146 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 15:53:44,146 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 15:53:44,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:53:44,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:53:44,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:53:44,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:53:44,267 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 15:53:44,267 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-14 15:53:44,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:53:44,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:53:44,283 INFO L229 MonitoredProcess]: Starting monitored process 2 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) [2022-07-14 15:53:44,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-14 15:53:44,287 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 15:53:44,287 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 15:53:44,305 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 15:53:44,306 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__SELECTED_FEATURE_Keys~0=0} Honda state: {~__SELECTED_FEATURE_Keys~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 15:53:44,321 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-07-14 15:53:44,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:53:44,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:53:44,328 INFO L229 MonitoredProcess]: Starting monitored process 3 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) [2022-07-14 15:53:44,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-14 15:53:44,329 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 15:53:44,329 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 15:53:44,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-14 15:53:44,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:53:44,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:53:44,364 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2022-07-14 15:53:44,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-14 15:53:44,368 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-14 15:53:44,368 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 15:53:44,397 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-14 15:53:44,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-14 15:53:44,401 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 15:53:44,401 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 15:53:44,401 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 15:53:44,401 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 15:53:44,401 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 15:53:44,401 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:53:44,401 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 15:53:44,401 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 15:53:44,401 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_productSimulator.cil.c_Iteration1_Loop [2022-07-14 15:53:44,401 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 15:53:44,401 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 15:53:44,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:53:44,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:53:44,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:53:44,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:53:44,455 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 15:53:44,458 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 15:53:44,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:53:44,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:53:44,476 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2022-07-14 15:53:44,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-14 15:53:44,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:53:44,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:53:44,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:53:44,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:53:44,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:53:44,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:53:44,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:53:44,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:53:44,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:53:44,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-14 15:53:44,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:53:44,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:53:44,556 INFO L229 MonitoredProcess]: Starting monitored process 6 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) [2022-07-14 15:53:44,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-14 15:53:44,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:53:44,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:53:44,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:53:44,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:53:44,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:53:44,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:53:44,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:53:44,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:53:44,581 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 15:53:44,583 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-14 15:53:44,583 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-14 15:53:44,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:53:44,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:53:44,586 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2022-07-14 15:53:44,591 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 15:53:44,591 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-14 15:53:44,591 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 15:53:44,592 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0#1) = -2*ULTIMATE.start_test_~splverifierCounter~0#1 + 7 Supporting invariants [] [2022-07-14 15:53:44,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-14 15:53:44,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-14 15:53:44,629 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-14 15:53:44,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:53:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:53:44,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 15:53:44,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:53:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:53:44,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 15:53:44,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:53:44,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:53:44,880 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-07-14 15:53:44,932 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 40534 states, 40533 states have (on average 1.5323070091036932) internal successors, (62109), 40533 states have internal predecessors, (62109), 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) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 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) [2022-07-14 15:53:45,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-14 15:53:47,556 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 40534 states, 40533 states have (on average 1.5323070091036932) internal successors, (62109), 40533 states have internal predecessors, (62109), 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). Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 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) Result 120899 states and 185177 transitions. Complement of second has 7 states. [2022-07-14 15:53:47,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-14 15:53:47,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 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) [2022-07-14 15:53:47,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 123446 transitions. [2022-07-14 15:53:47,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 123446 transitions. Stem has 33 letters. Loop has 7 letters. [2022-07-14 15:53:47,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:53:47,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 123446 transitions. Stem has 40 letters. Loop has 7 letters. [2022-07-14 15:53:47,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:53:47,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 123446 transitions. Stem has 33 letters. Loop has 14 letters. [2022-07-14 15:53:47,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:53:47,681 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 120899 states and 185177 transitions. [2022-07-14 15:53:48,270 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 15:53:48,271 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 120899 states to 0 states and 0 transitions. [2022-07-14 15:53:48,272 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-14 15:53:48,272 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-14 15:53:48,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-14 15:53:48,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 15:53:48,273 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:53:48,273 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:53:48,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 15:53:48,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 15:53:48,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 15:53:48,278 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2022-07-14 15:53:48,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 15:53:48,279 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-07-14 15:53:48,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-14 15:53:48,280 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-07-14 15:53:48,280 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 15:53:48,280 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-07-14 15:53:48,280 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-14 15:53:48,280 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-14 15:53:48,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-14 15:53:48,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 15:53:48,281 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:53:48,281 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:53:48,281 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:53:48,281 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 15:53:48,281 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-14 15:53:48,281 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 15:53:48,281 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-14 15:53:48,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.07 03:53:48 BoogieIcfgContainer [2022-07-14 15:53:48,286 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-14 15:53:48,286 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 15:53:48,286 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 15:53:48,286 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 15:53:48,287 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:53:42" (3/4) ... [2022-07-14 15:53:48,289 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-14 15:53:48,289 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 15:53:48,290 INFO L158 Benchmark]: Toolchain (without parser) took 41968.02ms. Allocated memory was 130.0MB in the beginning and 9.3GB in the end (delta: 9.1GB). Free memory was 95.3MB in the beginning and 7.7GB in the end (delta: -7.6GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2022-07-14 15:53:48,290 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 86.0MB. Free memory was 42.5MB in the beginning and 42.5MB in the end (delta: 49.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:53:48,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 656.61ms. Allocated memory is still 130.0MB. Free memory was 95.1MB in the beginning and 71.4MB in the end (delta: 23.7MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2022-07-14 15:53:48,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 2304.30ms. Allocated memory was 130.0MB in the beginning and 889.2MB in the end (delta: 759.2MB). Free memory was 71.4MB in the beginning and 503.6MB in the end (delta: -432.3MB). Peak memory consumption was 362.8MB. Max. memory is 16.1GB. [2022-07-14 15:53:48,291 INFO L158 Benchmark]: Boogie Preprocessor took 3552.65ms. Allocated memory was 889.2MB in the beginning and 2.7GB in the end (delta: 1.8GB). Free memory was 503.6MB in the beginning and 2.0GB in the end (delta: -1.5GB). Peak memory consumption was 305.1MB. Max. memory is 16.1GB. [2022-07-14 15:53:48,292 INFO L158 Benchmark]: RCFGBuilder took 29624.39ms. Allocated memory was 2.7GB in the beginning and 9.3GB in the end (delta: 6.6GB). Free memory was 2.0GB in the beginning and 7.7GB in the end (delta: -5.7GB). Peak memory consumption was 898.6MB. Max. memory is 16.1GB. [2022-07-14 15:53:48,292 INFO L158 Benchmark]: BuchiAutomizer took 5822.22ms. Allocated memory is still 9.3GB. Free memory was 7.7GB in the beginning and 7.7GB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:53:48,292 INFO L158 Benchmark]: Witness Printer took 2.77ms. Allocated memory is still 9.3GB. Free memory is still 7.7GB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:53:48,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 86.0MB. Free memory was 42.5MB in the beginning and 42.5MB in the end (delta: 49.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 656.61ms. Allocated memory is still 130.0MB. Free memory was 95.1MB in the beginning and 71.4MB in the end (delta: 23.7MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2304.30ms. Allocated memory was 130.0MB in the beginning and 889.2MB in the end (delta: 759.2MB). Free memory was 71.4MB in the beginning and 503.6MB in the end (delta: -432.3MB). Peak memory consumption was 362.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3552.65ms. Allocated memory was 889.2MB in the beginning and 2.7GB in the end (delta: 1.8GB). Free memory was 503.6MB in the beginning and 2.0GB in the end (delta: -1.5GB). Peak memory consumption was 305.1MB. Max. memory is 16.1GB. * RCFGBuilder took 29624.39ms. Allocated memory was 2.7GB in the beginning and 9.3GB in the end (delta: 6.6GB). Free memory was 2.0GB in the beginning and 7.7GB in the end (delta: -5.7GB). Peak memory consumption was 898.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 5822.22ms. Allocated memory is still 9.3GB. Free memory was 7.7GB in the beginning and 7.7GB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.77ms. Allocated memory is still 9.3GB. Free memory is still 7.7GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 3.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.5s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61852 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61851 mSDsluCounter, 185299 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 123448 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 61851 mSDtfsCounter, 6 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital26 mio100 ax100 hnf100 lsp38 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 77ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-14 15:53:48,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE