./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec9_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec 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/elevator_spec9_product26.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 925cb412d332cbfc263883206c5a1cd7cf1dcb0a ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 15:44:08,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 15:44:08,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 15:44:08,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 15:44:08,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 15:44:08,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 15:44:08,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 15:44:08,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 15:44:08,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 15:44:08,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 15:44:08,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 15:44:08,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 15:44:08,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 15:44:08,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 15:44:08,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 15:44:08,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 15:44:08,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 15:44:08,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 15:44:08,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 15:44:08,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 15:44:08,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 15:44:08,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 15:44:08,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 15:44:08,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 15:44:08,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 15:44:08,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 15:44:08,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 15:44:08,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 15:44:08,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 15:44:08,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 15:44:08,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 15:44:08,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 15:44:08,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 15:44:08,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 15:44:08,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 15:44:08,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 15:44:08,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 15:44:08,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 15:44:08,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 15:44:08,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 15:44:08,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 15:44:08,456 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 15:44:08,484 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 15:44:08,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 15:44:08,485 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 15:44:08,485 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 15:44:08,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 15:44:08,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 15:44:08,486 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 15:44:08,486 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 15:44:08,486 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 15:44:08,486 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 15:44:08,486 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 15:44:08,486 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 15:44:08,487 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 15:44:08,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 15:44:08,487 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 15:44:08,487 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 15:44:08,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 15:44:08,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 15:44:08,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 15:44:08,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 15:44:08,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 15:44:08,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 15:44:08,488 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 15:44:08,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 15:44:08,488 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 15:44:08,488 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 15:44:08,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 15:44:08,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 15:44:08,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 15:44:08,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 15:44:08,489 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 15:44:08,489 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 15:44:08,490 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 15:44:08,490 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 925cb412d332cbfc263883206c5a1cd7cf1dcb0a [2021-08-27 15:44:08,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 15:44:08,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 15:44:08,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 15:44:08,715 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 15:44:08,716 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 15:44:08,716 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec9_product26.cil.c [2021-08-27 15:44:08,759 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4936c920c/f16f3b728cdd4090ba229ce73bd71f4d/FLAG6e993efd8 [2021-08-27 15:44:09,218 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 15:44:09,223 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product26.cil.c [2021-08-27 15:44:09,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4936c920c/f16f3b728cdd4090ba229ce73bd71f4d/FLAG6e993efd8 [2021-08-27 15:44:09,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4936c920c/f16f3b728cdd4090ba229ce73bd71f4d [2021-08-27 15:44:09,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 15:44:09,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 15:44:09,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 15:44:09,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 15:44:09,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 15:44:09,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:44:09" (1/1) ... [2021-08-27 15:44:09,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65cf4683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:44:09, skipping insertion in model container [2021-08-27 15:44:09,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:44:09" (1/1) ... [2021-08-27 15:44:09,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 15:44:09,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 15:44:09,601 WARN L228 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/elevator_spec9_product26.cil.c[46205,46218] [2021-08-27 15:44:09,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:44:09,670 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 15:44:09,733 WARN L228 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/elevator_spec9_product26.cil.c[46205,46218] [2021-08-27 15:44:09,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:44:09,769 INFO L208 MainTranslator]: Completed translation [2021-08-27 15:44:09,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:44:09 WrapperNode [2021-08-27 15:44:09,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 15:44:09,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 15:44:09,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 15:44:09,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 15:44:09,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:44:09" (1/1) ... [2021-08-27 15:44:09,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:44:09" (1/1) ... [2021-08-27 15:44:09,966 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 15:44:09,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 15:44:09,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 15:44:09,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 15:44:09,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:44:09" (1/1) ... [2021-08-27 15:44:09,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:44:09" (1/1) ... [2021-08-27 15:44:09,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:44:09" (1/1) ... [2021-08-27 15:44:09,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:44:09" (1/1) ... [2021-08-27 15:44:10,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:44:09" (1/1) ... [2021-08-27 15:44:10,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:44:09" (1/1) ... [2021-08-27 15:44:10,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:44:09" (1/1) ... [2021-08-27 15:44:10,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 15:44:10,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 15:44:10,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 15:44:10,255 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 15:44:10,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:44:09" (1/1) ... [2021-08-27 15:44:10,260 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:10,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:10,272 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) [2021-08-27 15:44:10,284 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 [2021-08-27 15:44:10,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 15:44:10,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 15:44:10,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 15:44:10,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 15:44:15,981 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 15:44:15,982 INFO L299 CfgBuilder]: Removed 1113 assume(true) statements. [2021-08-27 15:44:15,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:44:15 BoogieIcfgContainer [2021-08-27 15:44:15,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 15:44:15,986 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 15:44:15,986 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 15:44:15,988 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 15:44:15,989 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:44:15,989 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 03:44:09" (1/3) ... [2021-08-27 15:44:15,990 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11569713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:44:15, skipping insertion in model container [2021-08-27 15:44:15,990 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:44:15,990 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:44:09" (2/3) ... [2021-08-27 15:44:15,990 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11569713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:44:15, skipping insertion in model container [2021-08-27 15:44:15,990 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:44:15,990 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:44:15" (3/3) ... [2021-08-27 15:44:15,991 INFO L389 chiAutomizerObserver]: Analyzing ICFG elevator_spec9_product26.cil.c [2021-08-27 15:44:16,027 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 15:44:16,027 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 15:44:16,027 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 15:44:16,027 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 15:44:16,027 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 15:44:16,027 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 15:44:16,028 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 15:44:16,028 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 15:44:16,091 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 4855 states, 4854 states have (on average 1.8941079522043676) internal successors, (9194), 4854 states have internal predecessors, (9194), 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) [2021-08-27 15:44:16,177 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2417 [2021-08-27 15:44:16,177 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:44:16,177 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:44:16,193 INFO L842 BuchiCegarLoop]: 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] [2021-08-27 15:44:16,193 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:44:16,193 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 15:44:16,202 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 4855 states, 4854 states have (on average 1.8941079522043676) internal successors, (9194), 4854 states have internal predecessors, (9194), 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) [2021-08-27 15:44:16,241 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2417 [2021-08-27 15:44:16,241 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:44:16,241 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:44:16,243 INFO L842 BuchiCegarLoop]: 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] [2021-08-27 15:44:16,244 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:44:16,247 INFO L791 eck$LassoCheckResult]: Stem: 3022#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(10);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string94.base, #t~string94.offset, 1);call write~init~int(95, #t~string94.base, 1 + #t~string94.offset, 1);call write~init~int(93, #t~string94.base, 2 + #t~string94.offset, 1);call write~init~int(0, #t~string94.base, 3 + #t~string94.offset, 1);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string96.base, #t~string96.offset, 1);call write~init~int(93, #t~string96.base, 1 + #t~string96.offset, 1);call write~init~int(32, #t~string96.base, 2 + #t~string96.offset, 1);call write~init~int(0, #t~string96.base, 3 + #t~string96.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string98.base, #t~string98.offset, 1);call write~init~int(97, #t~string98.base, 1 + #t~string98.offset, 1);call write~init~int(116, #t~string98.base, 2 + #t~string98.offset, 1);call write~init~int(32, #t~string98.base, 3 + #t~string98.offset, 1);call write~init~int(0, #t~string98.base, 4 + #t~string98.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string100.base, #t~string100.offset, 1);call write~init~int(105, #t~string100.base, 1 + #t~string100.offset, 1);call write~init~int(0, #t~string100.base, 2 + #t~string100.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(10);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string104.base, #t~string104.offset, 1);call write~init~int(112, #t~string104.base, 1 + #t~string104.offset, 1);call write~init~int(0, #t~string104.base, 2 + #t~string104.offset, 1);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string106.base, #t~string106.offset, 1);call write~init~int(111, #t~string106.base, 1 + #t~string106.offset, 1);call write~init~int(119, #t~string106.base, 2 + #t~string106.offset, 1);call write~init~int(110, #t~string106.base, 3 + #t~string106.offset, 1);call write~init~int(0, #t~string106.base, 4 + #t~string106.offset, 1);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string108.base, #t~string108.offset, 1);call write~init~int(73, #t~string108.base, 1 + #t~string108.offset, 1);call write~init~int(76, #t~string108.base, 2 + #t~string108.offset, 1);call write~init~int(95, #t~string108.base, 3 + #t~string108.offset, 1);call write~init~int(112, #t~string108.base, 4 + #t~string108.offset, 1);call write~init~int(58, #t~string108.base, 5 + #t~string108.offset, 1);call write~init~int(0, #t~string108.base, 6 + #t~string108.offset, 1);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string110.base, #t~string110.offset, 1);call write~init~int(37, #t~string110.base, 1 + #t~string110.offset, 1);call write~init~int(105, #t~string110.base, 2 + #t~string110.offset, 1);call write~init~int(0, #t~string110.base, 3 + #t~string110.offset, 1);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string112.base, #t~string112.offset, 1);call write~init~int(37, #t~string112.base, 1 + #t~string112.offset, 1);call write~init~int(105, #t~string112.base, 2 + #t~string112.offset, 1);call write~init~int(0, #t~string112.base, 3 + #t~string112.offset, 1);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string114.base, #t~string114.offset, 1);call write~init~int(37, #t~string114.base, 1 + #t~string114.offset, 1);call write~init~int(105, #t~string114.base, 2 + #t~string114.offset, 1);call write~init~int(0, #t~string114.base, 3 + #t~string114.offset, 1);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string116.base, #t~string116.offset, 1);call write~init~int(37, #t~string116.base, 1 + #t~string116.offset, 1);call write~init~int(105, #t~string116.base, 2 + #t~string116.offset, 1);call write~init~int(0, #t~string116.base, 3 + #t~string116.offset, 1);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string118.base, #t~string118.offset, 1);call write~init~int(37, #t~string118.base, 1 + #t~string118.offset, 1);call write~init~int(105, #t~string118.base, 2 + #t~string118.offset, 1);call write~init~int(0, #t~string118.base, 3 + #t~string118.offset, 1);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string120.base, #t~string120.offset, 1);call write~init~int(70, #t~string120.base, 1 + #t~string120.offset, 1);call write~init~int(95, #t~string120.base, 2 + #t~string120.offset, 1);call write~init~int(112, #t~string120.base, 3 + #t~string120.offset, 1);call write~init~int(58, #t~string120.base, 4 + #t~string120.offset, 1);call write~init~int(0, #t~string120.base, 5 + #t~string120.offset, 1);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string123.base, #t~string123.offset, 1);call write~init~int(37, #t~string123.base, 1 + #t~string123.offset, 1);call write~init~int(105, #t~string123.base, 2 + #t~string123.offset, 1);call write~init~int(0, #t~string123.base, 3 + #t~string123.offset, 1);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string126.base, #t~string126.offset, 1);call write~init~int(37, #t~string126.base, 1 + #t~string126.offset, 1);call write~init~int(105, #t~string126.base, 2 + #t~string126.offset, 1);call write~init~int(0, #t~string126.base, 3 + #t~string126.offset, 1);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string129.base, #t~string129.offset, 1);call write~init~int(37, #t~string129.base, 1 + #t~string129.offset, 1);call write~init~int(105, #t~string129.base, 2 + #t~string129.offset, 1);call write~init~int(0, #t~string129.base, 3 + #t~string129.offset, 1);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string132.base, #t~string132.offset, 1);call write~init~int(37, #t~string132.base, 1 + #t~string132.offset, 1);call write~init~int(105, #t~string132.base, 2 + #t~string132.offset, 1);call write~init~int(0, #t~string132.base, 3 + #t~string132.offset, 1);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string135.base, #t~string135.offset, 1);call write~init~int(37, #t~string135.base, 1 + #t~string135.offset, 1);call write~init~int(105, #t~string135.base, 2 + #t~string135.offset, 1);call write~init~int(0, #t~string135.base, 3 + #t~string135.offset, 1);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string137.base, #t~string137.offset, 1);call write~init~int(0, #t~string137.base, 1 + #t~string137.offset, 1);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(9);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~cleanupTimeShifts~0 := 12; 4748#L-1true havoc main_#res;havoc main_#t~ret155, main_~retValue_acc~20, main_~tmp~25;havoc main_~retValue_acc~20;havoc main_~tmp~25; 2852#L3251true havoc valid_product_#res;havoc valid_product_~retValue_acc~22;havoc valid_product_~retValue_acc~22;valid_product_~retValue_acc~22 := 1;valid_product_#res := valid_product_~retValue_acc~22; 967#L3259true main_#t~ret155 := valid_product_#res;main_~tmp~25 := main_#t~ret155;havoc main_#t~ret155; 3687#L3124true assume 0 != main_~tmp~25; 1660#L3096true ~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 1689#L442true havoc bigMacCall_#t~ret148, bigMacCall_~tmp~22;havoc bigMacCall_~tmp~22;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~24;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~24; 1583#L3307true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~24 := 4;getOrigin_#res := getOrigin_~retValue_acc~24; 4738#L3332true bigMacCall_#t~ret148 := getOrigin_#res;bigMacCall_~tmp~22 := bigMacCall_#t~ret148;havoc bigMacCall_#t~ret148;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~22;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 3907#L2475true assume 0 == initPersonOnFloor_~floor; 2819#L2476true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 778#L2583-1true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 886#L2267true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 3306#L2279-2true havoc cleanup_#t~ret149, cleanup_#t~ret150, cleanup_~i~1, cleanup_~tmp~23, cleanup_~tmp___0~7, cleanup_~__cil_tmp4~2;havoc cleanup_~i~1;havoc cleanup_~tmp~23;havoc cleanup_~tmp___0~7;havoc cleanup_~__cil_tmp4~2;havoc timeShift_#t~ret91, timeShift_~tmp~14;havoc timeShift_~tmp~14;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~5;havoc areDoorsOpen_~retValue_acc~5;areDoorsOpen_~retValue_acc~5 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~5; 769#L856true timeShift_#t~ret91 := areDoorsOpen_#res;timeShift_~tmp~14 := timeShift_#t~ret91;havoc timeShift_#t~ret91; 4650#L1738true assume 0 != timeShift_~tmp~14; 1954#L1739true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 2708#L1443-11true havoc __utac_acc__Specification9_spec__3_#t~ret42, __utac_acc__Specification9_spec__3_#t~ret43, __utac_acc__Specification9_spec__3_#t~ret44, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~3, __utac_acc__Specification9_spec__3_~tmp___0~0, __utac_acc__Specification9_spec__3_~tmp___1~0;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~3;havoc __utac_acc__Specification9_spec__3_~tmp___0~0;havoc __utac_acc__Specification9_spec__3_~tmp___1~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~4;havoc getCurrentFloorID_~retValue_acc~4;getCurrentFloorID_~retValue_acc~4 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~4; 2695#L847true __utac_acc__Specification9_spec__3_#t~ret42 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~3 := __utac_acc__Specification9_spec__3_#t~ret42;havoc __utac_acc__Specification9_spec__3_#t~ret42;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~3;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~8;havoc isEmpty_~retValue_acc~8; 655#L907-12true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~8 := 0;isEmpty_#res := isEmpty_~retValue_acc~8; 3126#L939-12true __utac_acc__Specification9_spec__3_#t~ret43 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~0 := __utac_acc__Specification9_spec__3_#t~ret43;havoc __utac_acc__Specification9_spec__3_#t~ret43; 3747#L485true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 2544#L495-1true cleanup_~i~1 := 0; 916#L2928-2true [2021-08-27 15:44:16,248 INFO L793 eck$LassoCheckResult]: Loop: 916#L2928-2true assume !false; 375#L2929true cleanup_~__cil_tmp4~2 := ~cleanupTimeShifts~0 - 1; 4560#L2932true assume cleanup_~i~1 < cleanup_~__cil_tmp4~2;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~3;havoc isBlocked_~retValue_acc~3;isBlocked_~retValue_acc~3 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~3; 4149#L670true cleanup_#t~ret149 := isBlocked_#res;cleanup_~tmp___0~7 := cleanup_#t~ret149;havoc cleanup_#t~ret149; 2048#L2936true assume 1 != cleanup_~tmp___0~7; 3385#L2936-1true havoc isIdle_#res;havoc isIdle_#t~ret53, isIdle_~retValue_acc~10, isIdle_~tmp~8;havoc isIdle_~retValue_acc~10;havoc isIdle_~tmp~8;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret48, anyStopRequested_#t~ret49, anyStopRequested_#t~ret50, anyStopRequested_#t~ret51, anyStopRequested_#t~ret52, anyStopRequested_~retValue_acc~9, anyStopRequested_~tmp~7, anyStopRequested_~tmp___0~1, anyStopRequested_~tmp___1~1, anyStopRequested_~tmp___2~0, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~9;havoc anyStopRequested_~tmp~7;havoc anyStopRequested_~tmp___0~1;havoc anyStopRequested_~tmp___1~1;havoc anyStopRequested_~tmp___2~0;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~16;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~16; 1770#L2204-42true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~16 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~16; 2896#L2231-42true anyStopRequested_#t~ret48 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret48;havoc anyStopRequested_#t~ret48; 3722#L955true assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~9 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~9; 573#L1019true isIdle_#t~ret53 := anyStopRequested_#res;isIdle_~tmp~8 := isIdle_#t~ret53;havoc isIdle_#t~ret53;isIdle_~retValue_acc~10 := (if 0 == isIdle_~tmp~8 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~10; 3448#L1032true cleanup_#t~ret150 := isIdle_#res;cleanup_~tmp~23 := cleanup_#t~ret150;havoc cleanup_#t~ret150; 2368#L2948true assume !(0 != cleanup_~tmp~23);havoc timeShift_#t~ret91, timeShift_~tmp~14;havoc timeShift_~tmp~14;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~5;havoc areDoorsOpen_~retValue_acc~5;areDoorsOpen_~retValue_acc~5 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~5; 4138#L856-2true timeShift_#t~ret91 := areDoorsOpen_#res;timeShift_~tmp~14 := timeShift_#t~ret91;havoc timeShift_#t~ret91; 4470#L1738-1true assume 0 != timeShift_~tmp~14; 633#L1739-2true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 4443#L1443-23true havoc __utac_acc__Specification9_spec__3_#t~ret42, __utac_acc__Specification9_spec__3_#t~ret43, __utac_acc__Specification9_spec__3_#t~ret44, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~3, __utac_acc__Specification9_spec__3_~tmp___0~0, __utac_acc__Specification9_spec__3_~tmp___1~0;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~3;havoc __utac_acc__Specification9_spec__3_~tmp___0~0;havoc __utac_acc__Specification9_spec__3_~tmp___1~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~4;havoc getCurrentFloorID_~retValue_acc~4;getCurrentFloorID_~retValue_acc~4 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~4; 1548#L847-1true __utac_acc__Specification9_spec__3_#t~ret42 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~3 := __utac_acc__Specification9_spec__3_#t~ret42;havoc __utac_acc__Specification9_spec__3_#t~ret42;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~3;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~8;havoc isEmpty_~retValue_acc~8; 83#L907-25true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~8 := 0;isEmpty_#res := isEmpty_~retValue_acc~8; 2298#L939-25true __utac_acc__Specification9_spec__3_#t~ret43 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~0 := __utac_acc__Specification9_spec__3_#t~ret43;havoc __utac_acc__Specification9_spec__3_#t~ret43; 1662#L485-2true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 715#L495-3true cleanup_~i~1 := 1 + cleanup_~i~1; 916#L2928-2true [2021-08-27 15:44:16,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:44:16,252 INFO L82 PathProgramCache]: Analyzing trace with hash -2120884841, now seen corresponding path program 1 times [2021-08-27 15:44:16,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:44:16,258 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483208678] [2021-08-27 15:44:16,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:44:16,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:44:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:44:16,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:44:16,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:44:16,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483208678] [2021-08-27 15:44:16,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483208678] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:44:16,487 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:44:16,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 15:44:16,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239719877] [2021-08-27 15:44:16,491 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:44:16,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:44:16,491 INFO L82 PathProgramCache]: Analyzing trace with hash 467648044, now seen corresponding path program 1 times [2021-08-27 15:44:16,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:44:16,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960913694] [2021-08-27 15:44:16,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:44:16,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:44:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:44:16,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:44:16,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:44:16,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960913694] [2021-08-27 15:44:16,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960913694] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:44:16,541 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:44:16,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-27 15:44:16,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556212532] [2021-08-27 15:44:16,542 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 15:44:16,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:44:16,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-27 15:44:16,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-27 15:44:16,564 INFO L87 Difference]: Start difference. First operand has 4855 states, 4854 states have (on average 1.8941079522043676) internal successors, (9194), 4854 states have internal predecessors, (9194), 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 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2021-08-27 15:44:17,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:44:17,216 INFO L93 Difference]: Finished difference Result 12925 states and 24453 transitions. [2021-08-27 15:44:17,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 15:44:17,217 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12925 states and 24453 transitions. [2021-08-27 15:44:17,292 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8797 [2021-08-27 15:44:17,363 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12925 states to 12883 states and 24404 transitions. [2021-08-27 15:44:17,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12883 [2021-08-27 15:44:17,373 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12883 [2021-08-27 15:44:17,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12883 states and 24404 transitions. [2021-08-27 15:44:17,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:44:17,391 INFO L681 BuchiCegarLoop]: Abstraction has 12883 states and 24404 transitions. [2021-08-27 15:44:17,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12883 states and 24404 transitions. [2021-08-27 15:44:17,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12883 to 4845. [2021-08-27 15:44:17,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4845 states, 4845 states have (on average 1.8934984520123839) internal successors, (9174), 4844 states have internal predecessors, (9174), 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) [2021-08-27 15:44:17,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4845 states to 4845 states and 9174 transitions. [2021-08-27 15:44:17,512 INFO L704 BuchiCegarLoop]: Abstraction has 4845 states and 9174 transitions. [2021-08-27 15:44:17,512 INFO L587 BuchiCegarLoop]: Abstraction has 4845 states and 9174 transitions. [2021-08-27 15:44:17,512 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 15:44:17,512 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4845 states and 9174 transitions. [2021-08-27 15:44:17,524 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2419 [2021-08-27 15:44:17,525 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:44:17,525 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:44:17,527 INFO L842 BuchiCegarLoop]: 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] [2021-08-27 15:44:17,527 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:44:17,528 INFO L791 eck$LassoCheckResult]: Stem: 22040#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(10);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string94.base, #t~string94.offset, 1);call write~init~int(95, #t~string94.base, 1 + #t~string94.offset, 1);call write~init~int(93, #t~string94.base, 2 + #t~string94.offset, 1);call write~init~int(0, #t~string94.base, 3 + #t~string94.offset, 1);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string96.base, #t~string96.offset, 1);call write~init~int(93, #t~string96.base, 1 + #t~string96.offset, 1);call write~init~int(32, #t~string96.base, 2 + #t~string96.offset, 1);call write~init~int(0, #t~string96.base, 3 + #t~string96.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string98.base, #t~string98.offset, 1);call write~init~int(97, #t~string98.base, 1 + #t~string98.offset, 1);call write~init~int(116, #t~string98.base, 2 + #t~string98.offset, 1);call write~init~int(32, #t~string98.base, 3 + #t~string98.offset, 1);call write~init~int(0, #t~string98.base, 4 + #t~string98.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string100.base, #t~string100.offset, 1);call write~init~int(105, #t~string100.base, 1 + #t~string100.offset, 1);call write~init~int(0, #t~string100.base, 2 + #t~string100.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(10);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string104.base, #t~string104.offset, 1);call write~init~int(112, #t~string104.base, 1 + #t~string104.offset, 1);call write~init~int(0, #t~string104.base, 2 + #t~string104.offset, 1);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string106.base, #t~string106.offset, 1);call write~init~int(111, #t~string106.base, 1 + #t~string106.offset, 1);call write~init~int(119, #t~string106.base, 2 + #t~string106.offset, 1);call write~init~int(110, #t~string106.base, 3 + #t~string106.offset, 1);call write~init~int(0, #t~string106.base, 4 + #t~string106.offset, 1);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string108.base, #t~string108.offset, 1);call write~init~int(73, #t~string108.base, 1 + #t~string108.offset, 1);call write~init~int(76, #t~string108.base, 2 + #t~string108.offset, 1);call write~init~int(95, #t~string108.base, 3 + #t~string108.offset, 1);call write~init~int(112, #t~string108.base, 4 + #t~string108.offset, 1);call write~init~int(58, #t~string108.base, 5 + #t~string108.offset, 1);call write~init~int(0, #t~string108.base, 6 + #t~string108.offset, 1);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string110.base, #t~string110.offset, 1);call write~init~int(37, #t~string110.base, 1 + #t~string110.offset, 1);call write~init~int(105, #t~string110.base, 2 + #t~string110.offset, 1);call write~init~int(0, #t~string110.base, 3 + #t~string110.offset, 1);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string112.base, #t~string112.offset, 1);call write~init~int(37, #t~string112.base, 1 + #t~string112.offset, 1);call write~init~int(105, #t~string112.base, 2 + #t~string112.offset, 1);call write~init~int(0, #t~string112.base, 3 + #t~string112.offset, 1);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string114.base, #t~string114.offset, 1);call write~init~int(37, #t~string114.base, 1 + #t~string114.offset, 1);call write~init~int(105, #t~string114.base, 2 + #t~string114.offset, 1);call write~init~int(0, #t~string114.base, 3 + #t~string114.offset, 1);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string116.base, #t~string116.offset, 1);call write~init~int(37, #t~string116.base, 1 + #t~string116.offset, 1);call write~init~int(105, #t~string116.base, 2 + #t~string116.offset, 1);call write~init~int(0, #t~string116.base, 3 + #t~string116.offset, 1);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string118.base, #t~string118.offset, 1);call write~init~int(37, #t~string118.base, 1 + #t~string118.offset, 1);call write~init~int(105, #t~string118.base, 2 + #t~string118.offset, 1);call write~init~int(0, #t~string118.base, 3 + #t~string118.offset, 1);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string120.base, #t~string120.offset, 1);call write~init~int(70, #t~string120.base, 1 + #t~string120.offset, 1);call write~init~int(95, #t~string120.base, 2 + #t~string120.offset, 1);call write~init~int(112, #t~string120.base, 3 + #t~string120.offset, 1);call write~init~int(58, #t~string120.base, 4 + #t~string120.offset, 1);call write~init~int(0, #t~string120.base, 5 + #t~string120.offset, 1);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string123.base, #t~string123.offset, 1);call write~init~int(37, #t~string123.base, 1 + #t~string123.offset, 1);call write~init~int(105, #t~string123.base, 2 + #t~string123.offset, 1);call write~init~int(0, #t~string123.base, 3 + #t~string123.offset, 1);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string126.base, #t~string126.offset, 1);call write~init~int(37, #t~string126.base, 1 + #t~string126.offset, 1);call write~init~int(105, #t~string126.base, 2 + #t~string126.offset, 1);call write~init~int(0, #t~string126.base, 3 + #t~string126.offset, 1);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string129.base, #t~string129.offset, 1);call write~init~int(37, #t~string129.base, 1 + #t~string129.offset, 1);call write~init~int(105, #t~string129.base, 2 + #t~string129.offset, 1);call write~init~int(0, #t~string129.base, 3 + #t~string129.offset, 1);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string132.base, #t~string132.offset, 1);call write~init~int(37, #t~string132.base, 1 + #t~string132.offset, 1);call write~init~int(105, #t~string132.base, 2 + #t~string132.offset, 1);call write~init~int(0, #t~string132.base, 3 + #t~string132.offset, 1);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string135.base, #t~string135.offset, 1);call write~init~int(37, #t~string135.base, 1 + #t~string135.offset, 1);call write~init~int(105, #t~string135.base, 2 + #t~string135.offset, 1);call write~init~int(0, #t~string135.base, 3 + #t~string135.offset, 1);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string137.base, #t~string137.offset, 1);call write~init~int(0, #t~string137.base, 1 + #t~string137.offset, 1);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(9);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~cleanupTimeShifts~0 := 12; 22041#L-1 havoc main_#res;havoc main_#t~ret155, main_~retValue_acc~20, main_~tmp~25;havoc main_~retValue_acc~20;havoc main_~tmp~25; 21917#L3251 havoc valid_product_#res;havoc valid_product_~retValue_acc~22;havoc valid_product_~retValue_acc~22;valid_product_~retValue_acc~22 := 1;valid_product_#res := valid_product_~retValue_acc~22; 19743#L3259 main_#t~ret155 := valid_product_#res;main_~tmp~25 := main_#t~ret155;havoc main_#t~ret155; 19744#L3124 assume 0 != main_~tmp~25; 20735#L3096 ~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 20736#L442 havoc bigMacCall_#t~ret148, bigMacCall_~tmp~22;havoc bigMacCall_~tmp~22;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~24;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~24; 20635#L3307 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~24 := 4;getOrigin_#res := getOrigin_~retValue_acc~24; 18173#L3332 bigMacCall_#t~ret148 := getOrigin_#res;bigMacCall_~tmp~22 := bigMacCall_#t~ret148;havoc bigMacCall_#t~ret148;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~22;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 22501#L2475 assume 0 == initPersonOnFloor_~floor; 21889#L2476 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 17960#L2583-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 19437#L2267 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 17994#L2279-2 havoc cleanup_#t~ret149, cleanup_#t~ret150, cleanup_~i~1, cleanup_~tmp~23, cleanup_~tmp___0~7, cleanup_~__cil_tmp4~2;havoc cleanup_~i~1;havoc cleanup_~tmp~23;havoc cleanup_~tmp___0~7;havoc cleanup_~__cil_tmp4~2;havoc timeShift_#t~ret91, timeShift_~tmp~14;havoc timeShift_~tmp~14;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~5;havoc areDoorsOpen_~retValue_acc~5;areDoorsOpen_~retValue_acc~5 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~5; 19419#L856 timeShift_#t~ret91 := areDoorsOpen_#res;timeShift_~tmp~14 := timeShift_#t~ret91;havoc timeShift_#t~ret91; 19420#L1738 assume 0 != timeShift_~tmp~14; 21090#L1739 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 18402#L1443-11 havoc __utac_acc__Specification9_spec__3_#t~ret42, __utac_acc__Specification9_spec__3_#t~ret43, __utac_acc__Specification9_spec__3_#t~ret44, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~3, __utac_acc__Specification9_spec__3_~tmp___0~0, __utac_acc__Specification9_spec__3_~tmp___1~0;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~3;havoc __utac_acc__Specification9_spec__3_~tmp___0~0;havoc __utac_acc__Specification9_spec__3_~tmp___1~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~4;havoc getCurrentFloorID_~retValue_acc~4;getCurrentFloorID_~retValue_acc~4 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~4; 21798#L847 __utac_acc__Specification9_spec__3_#t~ret42 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~3 := __utac_acc__Specification9_spec__3_#t~ret42;havoc __utac_acc__Specification9_spec__3_#t~ret42;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~3;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~8;havoc isEmpty_~retValue_acc~8; 19209#L907-12 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~8 := 0;isEmpty_#res := isEmpty_~retValue_acc~8; 18385#L939-12 __utac_acc__Specification9_spec__3_#t~ret43 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~0 := __utac_acc__Specification9_spec__3_#t~ret43;havoc __utac_acc__Specification9_spec__3_#t~ret43; 22435#L485 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0);havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~5;havoc areDoorsOpen_~retValue_acc~5;areDoorsOpen_~retValue_acc~5 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~5; 22436#L856-1 __utac_acc__Specification9_spec__3_#t~ret44 := areDoorsOpen_#res;__utac_acc__Specification9_spec__3_~tmp___0~0 := __utac_acc__Specification9_spec__3_#t~ret44;havoc __utac_acc__Specification9_spec__3_#t~ret44; 20761#L495 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~0); 19127#L495-1 cleanup_~i~1 := 0; 19317#L2928-2 [2021-08-27 15:44:17,528 INFO L793 eck$LassoCheckResult]: Loop: 19317#L2928-2 assume !false; 18684#L2929 cleanup_~__cil_tmp4~2 := ~cleanupTimeShifts~0 - 1; 18685#L2932 assume cleanup_~i~1 < cleanup_~__cil_tmp4~2;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~3;havoc isBlocked_~retValue_acc~3;isBlocked_~retValue_acc~3 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~3; 22570#L670 cleanup_#t~ret149 := isBlocked_#res;cleanup_~tmp___0~7 := cleanup_#t~ret149;havoc cleanup_#t~ret149; 21203#L2936 assume 1 != cleanup_~tmp___0~7; 21204#L2936-1 havoc isIdle_#res;havoc isIdle_#t~ret53, isIdle_~retValue_acc~10, isIdle_~tmp~8;havoc isIdle_~retValue_acc~10;havoc isIdle_~tmp~8;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret48, anyStopRequested_#t~ret49, anyStopRequested_#t~ret50, anyStopRequested_#t~ret51, anyStopRequested_#t~ret52, anyStopRequested_~retValue_acc~9, anyStopRequested_~tmp~7, anyStopRequested_~tmp___0~1, anyStopRequested_~tmp___1~1, anyStopRequested_~tmp___2~0, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~9;havoc anyStopRequested_~tmp~7;havoc anyStopRequested_~tmp___0~1;havoc anyStopRequested_~tmp___1~1;havoc anyStopRequested_~tmp___2~0;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~16;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~16; 20871#L2204-42 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~16 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~16; 20589#L2231-42 anyStopRequested_#t~ret48 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret48;havoc anyStopRequested_#t~ret48; 21948#L955 assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~9 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~9; 17801#L1019 isIdle_#t~ret53 := anyStopRequested_#res;isIdle_~tmp~8 := isIdle_#t~ret53;havoc isIdle_#t~ret53;isIdle_~retValue_acc~10 := (if 0 == isIdle_~tmp~8 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~10; 19067#L1032 cleanup_#t~ret150 := isIdle_#res;cleanup_~tmp~23 := cleanup_#t~ret150;havoc cleanup_#t~ret150; 21519#L2948 assume !(0 != cleanup_~tmp~23);havoc timeShift_#t~ret91, timeShift_~tmp~14;havoc timeShift_~tmp~14;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~5;havoc areDoorsOpen_~retValue_acc~5;areDoorsOpen_~retValue_acc~5 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~5; 21520#L856-2 timeShift_#t~ret91 := areDoorsOpen_#res;timeShift_~tmp~14 := timeShift_#t~ret91;havoc timeShift_#t~ret91; 22568#L1738-1 assume 0 != timeShift_~tmp~14; 19167#L1739-2 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 18852#L1443-23 havoc __utac_acc__Specification9_spec__3_#t~ret42, __utac_acc__Specification9_spec__3_#t~ret43, __utac_acc__Specification9_spec__3_#t~ret44, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~3, __utac_acc__Specification9_spec__3_~tmp___0~0, __utac_acc__Specification9_spec__3_~tmp___1~0;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~3;havoc __utac_acc__Specification9_spec__3_~tmp___0~0;havoc __utac_acc__Specification9_spec__3_~tmp___1~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~4;havoc getCurrentFloorID_~retValue_acc~4;getCurrentFloorID_~retValue_acc~4 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~4; 20593#L847-1 __utac_acc__Specification9_spec__3_#t~ret42 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~3 := __utac_acc__Specification9_spec__3_#t~ret42;havoc __utac_acc__Specification9_spec__3_#t~ret42;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~3;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~8;havoc isEmpty_~retValue_acc~8; 18004#L907-25 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~8 := 0;isEmpty_#res := isEmpty_~retValue_acc~8; 18005#L939-25 __utac_acc__Specification9_spec__3_#t~ret43 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~0 := __utac_acc__Specification9_spec__3_#t~ret43;havoc __utac_acc__Specification9_spec__3_#t~ret43; 20739#L485-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0);havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~5;havoc areDoorsOpen_~retValue_acc~5;areDoorsOpen_~retValue_acc~5 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~5; 20740#L856-3 __utac_acc__Specification9_spec__3_#t~ret44 := areDoorsOpen_#res;__utac_acc__Specification9_spec__3_~tmp___0~0 := __utac_acc__Specification9_spec__3_#t~ret44;havoc __utac_acc__Specification9_spec__3_#t~ret44; 21664#L495-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~0); 18954#L495-3 cleanup_~i~1 := 1 + cleanup_~i~1; 19317#L2928-2 [2021-08-27 15:44:17,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:44:17,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1939500596, now seen corresponding path program 1 times [2021-08-27 15:44:17,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:44:17,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140122327] [2021-08-27 15:44:17,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:44:17,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:44:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:44:17,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:44:17,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:44:17,587 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140122327] [2021-08-27 15:44:17,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140122327] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:44:17,587 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:44:17,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 15:44:17,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637592483] [2021-08-27 15:44:17,587 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:44:17,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:44:17,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1561055767, now seen corresponding path program 1 times [2021-08-27 15:44:17,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:44:17,588 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531184325] [2021-08-27 15:44:17,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:44:17,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:44:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:44:17,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:44:17,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:44:17,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531184325] [2021-08-27 15:44:17,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531184325] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:44:17,626 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:44:17,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-27 15:44:17,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464653171] [2021-08-27 15:44:17,627 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 15:44:17,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:44:17,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-27 15:44:17,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-27 15:44:17,628 INFO L87 Difference]: Start difference. First operand 4845 states and 9174 transitions. cyclomatic complexity: 4330 Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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) [2021-08-27 15:44:18,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:44:18,083 INFO L93 Difference]: Finished difference Result 7976 states and 14976 transitions. [2021-08-27 15:44:18,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-27 15:44:18,084 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7976 states and 14976 transitions. [2021-08-27 15:44:18,113 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6395 [2021-08-27 15:44:18,143 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7976 states to 7976 states and 14976 transitions. [2021-08-27 15:44:18,143 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7976 [2021-08-27 15:44:18,149 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7976 [2021-08-27 15:44:18,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7976 states and 14976 transitions. [2021-08-27 15:44:18,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:44:18,158 INFO L681 BuchiCegarLoop]: Abstraction has 7976 states and 14976 transitions. [2021-08-27 15:44:18,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7976 states and 14976 transitions. [2021-08-27 15:44:18,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7976 to 4319. [2021-08-27 15:44:18,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4319 states, 4319 states have (on average 1.886547811993517) internal successors, (8148), 4318 states have internal predecessors, (8148), 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) [2021-08-27 15:44:18,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4319 states to 4319 states and 8148 transitions. [2021-08-27 15:44:18,231 INFO L704 BuchiCegarLoop]: Abstraction has 4319 states and 8148 transitions. [2021-08-27 15:44:18,231 INFO L587 BuchiCegarLoop]: Abstraction has 4319 states and 8148 transitions. [2021-08-27 15:44:18,232 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 15:44:18,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4319 states and 8148 transitions. [2021-08-27 15:44:18,242 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2767 [2021-08-27 15:44:18,242 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:44:18,242 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:44:18,243 INFO L842 BuchiCegarLoop]: 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] [2021-08-27 15:44:18,243 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-08-27 15:44:18,244 INFO L791 eck$LassoCheckResult]: Stem: 33961#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(10);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string94.base, #t~string94.offset, 1);call write~init~int(95, #t~string94.base, 1 + #t~string94.offset, 1);call write~init~int(93, #t~string94.base, 2 + #t~string94.offset, 1);call write~init~int(0, #t~string94.base, 3 + #t~string94.offset, 1);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string96.base, #t~string96.offset, 1);call write~init~int(93, #t~string96.base, 1 + #t~string96.offset, 1);call write~init~int(32, #t~string96.base, 2 + #t~string96.offset, 1);call write~init~int(0, #t~string96.base, 3 + #t~string96.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string98.base, #t~string98.offset, 1);call write~init~int(97, #t~string98.base, 1 + #t~string98.offset, 1);call write~init~int(116, #t~string98.base, 2 + #t~string98.offset, 1);call write~init~int(32, #t~string98.base, 3 + #t~string98.offset, 1);call write~init~int(0, #t~string98.base, 4 + #t~string98.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string100.base, #t~string100.offset, 1);call write~init~int(105, #t~string100.base, 1 + #t~string100.offset, 1);call write~init~int(0, #t~string100.base, 2 + #t~string100.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(10);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string104.base, #t~string104.offset, 1);call write~init~int(112, #t~string104.base, 1 + #t~string104.offset, 1);call write~init~int(0, #t~string104.base, 2 + #t~string104.offset, 1);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string106.base, #t~string106.offset, 1);call write~init~int(111, #t~string106.base, 1 + #t~string106.offset, 1);call write~init~int(119, #t~string106.base, 2 + #t~string106.offset, 1);call write~init~int(110, #t~string106.base, 3 + #t~string106.offset, 1);call write~init~int(0, #t~string106.base, 4 + #t~string106.offset, 1);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string108.base, #t~string108.offset, 1);call write~init~int(73, #t~string108.base, 1 + #t~string108.offset, 1);call write~init~int(76, #t~string108.base, 2 + #t~string108.offset, 1);call write~init~int(95, #t~string108.base, 3 + #t~string108.offset, 1);call write~init~int(112, #t~string108.base, 4 + #t~string108.offset, 1);call write~init~int(58, #t~string108.base, 5 + #t~string108.offset, 1);call write~init~int(0, #t~string108.base, 6 + #t~string108.offset, 1);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string110.base, #t~string110.offset, 1);call write~init~int(37, #t~string110.base, 1 + #t~string110.offset, 1);call write~init~int(105, #t~string110.base, 2 + #t~string110.offset, 1);call write~init~int(0, #t~string110.base, 3 + #t~string110.offset, 1);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string112.base, #t~string112.offset, 1);call write~init~int(37, #t~string112.base, 1 + #t~string112.offset, 1);call write~init~int(105, #t~string112.base, 2 + #t~string112.offset, 1);call write~init~int(0, #t~string112.base, 3 + #t~string112.offset, 1);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string114.base, #t~string114.offset, 1);call write~init~int(37, #t~string114.base, 1 + #t~string114.offset, 1);call write~init~int(105, #t~string114.base, 2 + #t~string114.offset, 1);call write~init~int(0, #t~string114.base, 3 + #t~string114.offset, 1);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string116.base, #t~string116.offset, 1);call write~init~int(37, #t~string116.base, 1 + #t~string116.offset, 1);call write~init~int(105, #t~string116.base, 2 + #t~string116.offset, 1);call write~init~int(0, #t~string116.base, 3 + #t~string116.offset, 1);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string118.base, #t~string118.offset, 1);call write~init~int(37, #t~string118.base, 1 + #t~string118.offset, 1);call write~init~int(105, #t~string118.base, 2 + #t~string118.offset, 1);call write~init~int(0, #t~string118.base, 3 + #t~string118.offset, 1);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string120.base, #t~string120.offset, 1);call write~init~int(70, #t~string120.base, 1 + #t~string120.offset, 1);call write~init~int(95, #t~string120.base, 2 + #t~string120.offset, 1);call write~init~int(112, #t~string120.base, 3 + #t~string120.offset, 1);call write~init~int(58, #t~string120.base, 4 + #t~string120.offset, 1);call write~init~int(0, #t~string120.base, 5 + #t~string120.offset, 1);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string123.base, #t~string123.offset, 1);call write~init~int(37, #t~string123.base, 1 + #t~string123.offset, 1);call write~init~int(105, #t~string123.base, 2 + #t~string123.offset, 1);call write~init~int(0, #t~string123.base, 3 + #t~string123.offset, 1);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string126.base, #t~string126.offset, 1);call write~init~int(37, #t~string126.base, 1 + #t~string126.offset, 1);call write~init~int(105, #t~string126.base, 2 + #t~string126.offset, 1);call write~init~int(0, #t~string126.base, 3 + #t~string126.offset, 1);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string129.base, #t~string129.offset, 1);call write~init~int(37, #t~string129.base, 1 + #t~string129.offset, 1);call write~init~int(105, #t~string129.base, 2 + #t~string129.offset, 1);call write~init~int(0, #t~string129.base, 3 + #t~string129.offset, 1);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string132.base, #t~string132.offset, 1);call write~init~int(37, #t~string132.base, 1 + #t~string132.offset, 1);call write~init~int(105, #t~string132.base, 2 + #t~string132.offset, 1);call write~init~int(0, #t~string132.base, 3 + #t~string132.offset, 1);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string135.base, #t~string135.offset, 1);call write~init~int(37, #t~string135.base, 1 + #t~string135.offset, 1);call write~init~int(105, #t~string135.base, 2 + #t~string135.offset, 1);call write~init~int(0, #t~string135.base, 3 + #t~string135.offset, 1);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string137.base, #t~string137.offset, 1);call write~init~int(0, #t~string137.base, 1 + #t~string137.offset, 1);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(9);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~cleanupTimeShifts~0 := 12; 33962#L-1 havoc main_#res;havoc main_#t~ret155, main_~retValue_acc~20, main_~tmp~25;havoc main_~retValue_acc~20;havoc main_~tmp~25; 33861#L3251 havoc valid_product_#res;havoc valid_product_~retValue_acc~22;havoc valid_product_~retValue_acc~22;valid_product_~retValue_acc~22 := 1;valid_product_#res := valid_product_~retValue_acc~22; 32171#L3259 main_#t~ret155 := valid_product_#res;main_~tmp~25 := main_#t~ret155;havoc main_#t~ret155; 32172#L3124 assume 0 != main_~tmp~25; 32928#L3096 ~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 32929#L442 havoc bigMacCall_#t~ret148, bigMacCall_~tmp~22;havoc bigMacCall_~tmp~22;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~24;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~24; 32854#L3307 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~24 := 4;getOrigin_#res := getOrigin_~retValue_acc~24; 30948#L3332 bigMacCall_#t~ret148 := getOrigin_#res;bigMacCall_~tmp~22 := bigMacCall_#t~ret148;havoc bigMacCall_#t~ret148;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~22;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 34347#L2475 assume 0 == initPersonOnFloor_~floor; 33842#L2476 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 30783#L2583-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 31933#L2267 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 30806#L2279-2 havoc cleanup_#t~ret149, cleanup_#t~ret150, cleanup_~i~1, cleanup_~tmp~23, cleanup_~tmp___0~7, cleanup_~__cil_tmp4~2;havoc cleanup_~i~1;havoc cleanup_~tmp~23;havoc cleanup_~tmp___0~7;havoc cleanup_~__cil_tmp4~2;havoc timeShift_#t~ret91, timeShift_~tmp~14;havoc timeShift_~tmp~14;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~5;havoc areDoorsOpen_~retValue_acc~5;areDoorsOpen_~retValue_acc~5 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~5; 31918#L856 timeShift_#t~ret91 := areDoorsOpen_#res;timeShift_~tmp~14 := timeShift_#t~ret91;havoc timeShift_#t~ret91; 31919#L1738 assume 0 != timeShift_~tmp~14; 33198#L1739 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 31475#L1443-11 havoc __utac_acc__Specification9_spec__3_#t~ret42, __utac_acc__Specification9_spec__3_#t~ret43, __utac_acc__Specification9_spec__3_#t~ret44, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~3, __utac_acc__Specification9_spec__3_~tmp___0~0, __utac_acc__Specification9_spec__3_~tmp___1~0;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~3;havoc __utac_acc__Specification9_spec__3_~tmp___0~0;havoc __utac_acc__Specification9_spec__3_~tmp___1~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~4;havoc getCurrentFloorID_~retValue_acc~4;getCurrentFloorID_~retValue_acc~4 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~4; 33775#L847 __utac_acc__Specification9_spec__3_#t~ret42 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~3 := __utac_acc__Specification9_spec__3_#t~ret42;havoc __utac_acc__Specification9_spec__3_#t~ret42;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~3;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~8;havoc isEmpty_~retValue_acc~8; 31759#L907-12 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~8 := 0;isEmpty_#res := isEmpty_~retValue_acc~8; 31120#L939-12 __utac_acc__Specification9_spec__3_#t~ret43 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~0 := __utac_acc__Specification9_spec__3_#t~ret43;havoc __utac_acc__Specification9_spec__3_#t~ret43; 34020#L485 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0);havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~5;havoc areDoorsOpen_~retValue_acc~5;areDoorsOpen_~retValue_acc~5 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~5; 34295#L856-1 __utac_acc__Specification9_spec__3_#t~ret44 := areDoorsOpen_#res;__utac_acc__Specification9_spec__3_~tmp___0~0 := __utac_acc__Specification9_spec__3_#t~ret44;havoc __utac_acc__Specification9_spec__3_#t~ret44; 32947#L495 assume 0 != __utac_acc__Specification9_spec__3_~tmp___0~0; 32034#L496 assume 0 == __utac_acc__Specification9_spec__3_~floor~0; 31698#L497 assume 0 != ~floorButtons_spc9_0~0;~floorButtons_spc9_0~0 := 0; 31699#L495-1 cleanup_~i~1 := 0; 31843#L2928-2 [2021-08-27 15:44:18,244 INFO L793 eck$LassoCheckResult]: Loop: 31843#L2928-2 assume !false; 31336#L2929 cleanup_~__cil_tmp4~2 := ~cleanupTimeShifts~0 - 1; 31337#L2932 assume cleanup_~i~1 < cleanup_~__cil_tmp4~2;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~3;havoc isBlocked_~retValue_acc~3;isBlocked_~retValue_acc~3 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~3; 34410#L670 cleanup_#t~ret149 := isBlocked_#res;cleanup_~tmp___0~7 := cleanup_#t~ret149;havoc cleanup_#t~ret149; 33294#L2936 assume 1 != cleanup_~tmp___0~7; 33295#L2936-1 havoc isIdle_#res;havoc isIdle_#t~ret53, isIdle_~retValue_acc~10, isIdle_~tmp~8;havoc isIdle_~retValue_acc~10;havoc isIdle_~tmp~8;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret48, anyStopRequested_#t~ret49, anyStopRequested_#t~ret50, anyStopRequested_#t~ret51, anyStopRequested_#t~ret52, anyStopRequested_~retValue_acc~9, anyStopRequested_~tmp~7, anyStopRequested_~tmp___0~1, anyStopRequested_~tmp___1~1, anyStopRequested_~tmp___2~0, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~9;havoc anyStopRequested_~tmp~7;havoc anyStopRequested_~tmp___0~1;havoc anyStopRequested_~tmp___1~1;havoc anyStopRequested_~tmp___2~0;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~16;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~16; 33032#L2204-42 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~16 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~16; 32812#L2231-42 anyStopRequested_#t~ret48 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret48;havoc anyStopRequested_#t~ret48; 33885#L955 assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~9 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~9; 30662#L1019 isIdle_#t~ret53 := anyStopRequested_#res;isIdle_~tmp~8 := isIdle_#t~ret53;havoc isIdle_#t~ret53;isIdle_~retValue_acc~10 := (if 0 == isIdle_~tmp~8 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~10; 31658#L1032 cleanup_#t~ret150 := isIdle_#res;cleanup_~tmp~23 := cleanup_#t~ret150;havoc cleanup_#t~ret150; 33537#L2948 assume !(0 != cleanup_~tmp~23);havoc timeShift_#t~ret91, timeShift_~tmp~14;havoc timeShift_~tmp~14;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~5;havoc areDoorsOpen_~retValue_acc~5;areDoorsOpen_~retValue_acc~5 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~5; 33538#L856-2 timeShift_#t~ret91 := areDoorsOpen_#res;timeShift_~tmp~14 := timeShift_#t~ret91;havoc timeShift_#t~ret91; 34408#L1738-1 assume 0 != timeShift_~tmp~14; 31727#L1739-2 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 31472#L1443-23 havoc __utac_acc__Specification9_spec__3_#t~ret42, __utac_acc__Specification9_spec__3_#t~ret43, __utac_acc__Specification9_spec__3_#t~ret44, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~3, __utac_acc__Specification9_spec__3_~tmp___0~0, __utac_acc__Specification9_spec__3_~tmp___1~0;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~3;havoc __utac_acc__Specification9_spec__3_~tmp___0~0;havoc __utac_acc__Specification9_spec__3_~tmp___1~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~4;havoc getCurrentFloorID_~retValue_acc~4;getCurrentFloorID_~retValue_acc~4 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~4; 32817#L847-1 __utac_acc__Specification9_spec__3_#t~ret42 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~3 := __utac_acc__Specification9_spec__3_#t~ret42;havoc __utac_acc__Specification9_spec__3_#t~ret42;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~3;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~8;havoc isEmpty_~retValue_acc~8; 30813#L907-25 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~8 := 0;isEmpty_#res := isEmpty_~retValue_acc~8; 30814#L939-25 __utac_acc__Specification9_spec__3_#t~ret43 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~0 := __utac_acc__Specification9_spec__3_#t~ret43;havoc __utac_acc__Specification9_spec__3_#t~ret43; 32930#L485-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0);havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~5;havoc areDoorsOpen_~retValue_acc~5;areDoorsOpen_~retValue_acc~5 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~5; 32931#L856-3 __utac_acc__Specification9_spec__3_#t~ret44 := areDoorsOpen_#res;__utac_acc__Specification9_spec__3_~tmp___0~0 := __utac_acc__Specification9_spec__3_#t~ret44;havoc __utac_acc__Specification9_spec__3_#t~ret44; 33709#L495-2 assume 0 != __utac_acc__Specification9_spec__3_~tmp___0~0; 33710#L496-1 assume 0 == __utac_acc__Specification9_spec__3_~floor~0; 31557#L497-2 assume 0 != ~floorButtons_spc9_0~0;~floorButtons_spc9_0~0 := 0; 31558#L495-3 cleanup_~i~1 := 1 + cleanup_~i~1; 31843#L2928-2 [2021-08-27 15:44:18,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:44:18,244 INFO L82 PathProgramCache]: Analyzing trace with hash -157269105, now seen corresponding path program 1 times [2021-08-27 15:44:18,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:44:18,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140959116] [2021-08-27 15:44:18,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:44:18,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:44:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:44:18,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:44:18,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:44:18,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140959116] [2021-08-27 15:44:18,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140959116] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:44:18,301 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:44:18,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 15:44:18,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001334636] [2021-08-27 15:44:18,302 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:44:18,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:44:18,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1232168348, now seen corresponding path program 1 times [2021-08-27 15:44:18,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:44:18,302 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713911588] [2021-08-27 15:44:18,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:44:18,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:44:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:44:18,313 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:44:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:44:18,339 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:44:18,836 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:44:18,836 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:44:18,836 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:44:18,836 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:44:18,836 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 15:44:18,837 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:18,837 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:44:18,837 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:44:18,837 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec9_product26.cil.c_Iteration3_Loop [2021-08-27 15:44:18,837 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:44:18,837 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:44:18,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:18,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,259 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:44:19,259 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 15:44:19,261 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:19,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:19,265 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) [2021-08-27 15:44:19,276 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:44:19,276 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:44:19,292 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 [2021-08-27 15:44:19,303 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:44:19,303 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_getCurrentFloorID_#res=0, ULTIMATE.start_getCurrentFloorID_~retValue_acc~4=0, ULTIMATE.start___utac_acc__Specification9_spec__3_~tmp~3=0, ~currentFloorID~0=0, ULTIMATE.start___utac_acc__Specification9_spec__3_~floor~0=0} Honda state: {ULTIMATE.start_getCurrentFloorID_#res=0, ULTIMATE.start_getCurrentFloorID_~retValue_acc~4=0, ULTIMATE.start___utac_acc__Specification9_spec__3_~tmp~3=0, ~currentFloorID~0=0, ULTIMATE.start___utac_acc__Specification9_spec__3_~floor~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:44:19,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:19,321 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:19,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:19,337 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) [2021-08-27 15:44:19,345 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:44:19,345 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:44:19,354 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 [2021-08-27 15:44:19,355 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:44:19,355 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~persons_0~0=1} Honda state: {~persons_0~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:44:19,378 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 [2021-08-27 15:44:19,378 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:19,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:19,379 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) [2021-08-27 15:44:19,380 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 [2021-08-27 15:44:19,383 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:44:19,383 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:44:19,392 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:44:19,392 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_isIdle_#t~ret53=0} Honda state: {ULTIMATE.start_isIdle_#t~ret53=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:44:19,409 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 [2021-08-27 15:44:19,409 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:19,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:19,410 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) [2021-08-27 15:44:19,412 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:44:19,412 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:44:19,415 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 [2021-08-27 15:44:19,420 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:44:19,420 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_cleanup_#t~ret150=0} Honda state: {ULTIMATE.start_cleanup_#t~ret150=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:44:19,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-08-27 15:44:19,436 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:19,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:19,437 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) [2021-08-27 15:44:19,437 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 [2021-08-27 15:44:19,439 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:44:19,439 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:44:19,446 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:44:19,446 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification9_spec__3_#t~ret43=0} Honda state: {ULTIMATE.start___utac_acc__Specification9_spec__3_#t~ret43=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:44:19,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-08-27 15:44:19,462 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:19,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:19,463 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) [2021-08-27 15:44:19,464 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 [2021-08-27 15:44:19,465 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:44:19,465 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:44:19,482 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:44:19,482 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_~tmp___1~1=0} Honda state: {ULTIMATE.start_anyStopRequested_~tmp___1~1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:44:19,499 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 [2021-08-27 15:44:19,499 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:19,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:19,500 INFO L229 MonitoredProcess]: Starting monitored process 8 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) [2021-08-27 15:44:19,507 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:44:19,507 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:44:19,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-27 15:44:19,526 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:44:19,526 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification9_spec__3_#t~ret42=0} Honda state: {ULTIMATE.start___utac_acc__Specification9_spec__3_#t~ret42=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:44:19,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:19,543 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:19,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:19,544 INFO L229 MonitoredProcess]: Starting monitored process 9 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) [2021-08-27 15:44:19,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-27 15:44:19,546 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:44:19,546 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:44:19,552 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:44:19,553 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification9_spec__3_#t~ret44=0} Honda state: {ULTIMATE.start___utac_acc__Specification9_spec__3_#t~ret44=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:44:19,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-08-27 15:44:19,567 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:19,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:19,568 INFO L229 MonitoredProcess]: Starting monitored process 10 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) [2021-08-27 15:44:19,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-27 15:44:19,575 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:44:19,575 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:44:19,587 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:44:19,587 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_#res=1, ULTIMATE.start_anyStopRequested_~retValue_acc~9=1, ULTIMATE.start_isIdle_~tmp~8=1} Honda state: {ULTIMATE.start_anyStopRequested_#res=1, ULTIMATE.start_anyStopRequested_~retValue_acc~9=1, ULTIMATE.start_isIdle_~tmp~8=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:44:19,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:19,602 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:19,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:19,602 INFO L229 MonitoredProcess]: Starting monitored process 11 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) [2021-08-27 15:44:19,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-27 15:44:19,604 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:44:19,604 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:44:19,615 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:44:19,615 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~weight~0=1, ~maximumWeight~0=0} Honda state: {~weight~0=1, ~maximumWeight~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:44:19,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:19,632 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:19,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:19,633 INFO L229 MonitoredProcess]: Starting monitored process 12 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) [2021-08-27 15:44:19,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-27 15:44:19,635 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:44:19,635 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:44:19,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:19,661 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:19,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:19,661 INFO L229 MonitoredProcess]: Starting monitored process 13 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) [2021-08-27 15:44:19,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-08-27 15:44:19,663 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 15:44:19,663 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:44:19,694 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 15:44:19,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:19,696 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:44:19,696 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:44:19,696 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:44:19,696 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:44:19,697 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:44:19,697 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:19,697 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:44:19,697 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:44:19,697 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec9_product26.cil.c_Iteration3_Loop [2021-08-27 15:44:19,697 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:44:19,697 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:44:19,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:19,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:44:20,104 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:44:20,106 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:44:20,107 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:20,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:20,112 INFO L229 MonitoredProcess]: Starting monitored process 14 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) [2021-08-27 15:44:20,116 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 [2021-08-27 15:44:20,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:20,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:20,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:20,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:44:20,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:20,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:44:20,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:20,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-08-27 15:44:20,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:20,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:20,158 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:20,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:20,159 INFO L229 MonitoredProcess]: Starting monitored process 15 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) [2021-08-27 15:44:20,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-08-27 15:44:20,162 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 [2021-08-27 15:44:20,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:20,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:20,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:20,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:44:20,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:20,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:44:20,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:20,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:20,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:20,199 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:20,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:20,200 INFO L229 MonitoredProcess]: Starting monitored process 16 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) [2021-08-27 15:44:20,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-08-27 15:44:20,202 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 [2021-08-27 15:44:20,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:20,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:20,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:20,209 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 15:44:20,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:20,211 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 15:44:20,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:20,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:20,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:20,265 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:20,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:20,274 INFO L229 MonitoredProcess]: Starting monitored process 17 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) [2021-08-27 15:44:20,325 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 [2021-08-27 15:44:20,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:20,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:20,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:20,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:44:20,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:20,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:44:20,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:20,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-08-27 15:44:20,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:20,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:20,355 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:20,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:20,356 INFO L229 MonitoredProcess]: Starting monitored process 18 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) [2021-08-27 15:44:20,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-08-27 15:44:20,357 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 [2021-08-27 15:44:20,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:20,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:20,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:20,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:44:20,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:20,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:44:20,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:20,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:20,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:20,405 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:20,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:20,406 INFO L229 MonitoredProcess]: Starting monitored process 19 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) [2021-08-27 15:44:20,413 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 [2021-08-27 15:44:20,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:20,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:20,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:20,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:44:20,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:20,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:44:20,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:20,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-08-27 15:44:20,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:20,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:20,455 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:20,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:20,455 INFO L229 MonitoredProcess]: Starting monitored process 20 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) [2021-08-27 15:44:20,461 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 [2021-08-27 15:44:20,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:20,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:20,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:20,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:44:20,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:20,469 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:44:20,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:20,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-08-27 15:44:20,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:20,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:20,496 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:20,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:20,496 INFO L229 MonitoredProcess]: Starting monitored process 21 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) [2021-08-27 15:44:20,502 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 [2021-08-27 15:44:20,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:20,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:20,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:20,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:44:20,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:20,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:44:20,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:20,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-08-27 15:44:20,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:20,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:20,542 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:20,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:20,543 INFO L229 MonitoredProcess]: Starting monitored process 22 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) [2021-08-27 15:44:20,549 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 [2021-08-27 15:44:20,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:20,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:20,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:20,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:44:20,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:20,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:44:20,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:20,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-08-27 15:44:20,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:20,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-08-27 15:44:20,588 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:20,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:20,588 INFO L229 MonitoredProcess]: Starting monitored process 23 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) [2021-08-27 15:44:20,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-08-27 15:44:20,592 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 [2021-08-27 15:44:20,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:20,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:20,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:20,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:44:20,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:20,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:44:20,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:20,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:20,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:20,614 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:20,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:20,614 INFO L229 MonitoredProcess]: Starting monitored process 24 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) [2021-08-27 15:44:20,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-08-27 15:44:20,616 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 [2021-08-27 15:44:20,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:20,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:20,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:20,622 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 15:44:20,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:20,623 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 15:44:20,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:20,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:20,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:20,644 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:20,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:20,644 INFO L229 MonitoredProcess]: Starting monitored process 25 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) [2021-08-27 15:44:20,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-08-27 15:44:20,646 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 [2021-08-27 15:44:20,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:20,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:20,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:20,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:44:20,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:20,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:44:20,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:20,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:20,670 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-08-27 15:44:20,670 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:20,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:20,671 INFO L229 MonitoredProcess]: Starting monitored process 26 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) [2021-08-27 15:44:20,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-08-27 15:44:20,672 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 [2021-08-27 15:44:20,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:20,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:20,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:20,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:44:20,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:20,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:44:20,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:20,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:20,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:20,704 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:20,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:20,705 INFO L229 MonitoredProcess]: Starting monitored process 27 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) [2021-08-27 15:44:20,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-08-27 15:44:20,707 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 [2021-08-27 15:44:20,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:20,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:20,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:20,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:44:20,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:20,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:44:20,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:20,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:20,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-08-27 15:44:20,729 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:20,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:20,729 INFO L229 MonitoredProcess]: Starting monitored process 28 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) [2021-08-27 15:44:20,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-08-27 15:44:20,731 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 [2021-08-27 15:44:20,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:20,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:20,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:20,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:44:20,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:20,737 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:44:20,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:20,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:20,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:20,752 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:20,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:20,753 INFO L229 MonitoredProcess]: Starting monitored process 29 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) [2021-08-27 15:44:20,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-08-27 15:44:20,755 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 [2021-08-27 15:44:20,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:20,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:20,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:20,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:44:20,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:20,761 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:44:20,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:20,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:20,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-08-27 15:44:20,792 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:20,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:20,793 INFO L229 MonitoredProcess]: Starting monitored process 30 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) [2021-08-27 15:44:20,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-08-27 15:44:20,802 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 [2021-08-27 15:44:20,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:20,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:20,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:20,808 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 15:44:20,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:20,811 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 15:44:20,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:20,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:20,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:20,836 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:20,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:20,836 INFO L229 MonitoredProcess]: Starting monitored process 31 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) [2021-08-27 15:44:20,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-08-27 15:44:20,838 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 [2021-08-27 15:44:20,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:20,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:20,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:20,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:44:20,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:20,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:44:20,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:20,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:20,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-08-27 15:44:20,860 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:20,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:20,860 INFO L229 MonitoredProcess]: Starting monitored process 32 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) [2021-08-27 15:44:20,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-08-27 15:44:20,862 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 [2021-08-27 15:44:20,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:20,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:20,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:20,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:44:20,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:20,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:44:20,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:20,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:20,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-08-27 15:44:20,883 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:20,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:20,884 INFO L229 MonitoredProcess]: Starting monitored process 33 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) [2021-08-27 15:44:20,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-08-27 15:44:20,885 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 [2021-08-27 15:44:20,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:20,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:20,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:20,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:44:20,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:20,892 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:44:20,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:20,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:20,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:20,909 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:20,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:20,910 INFO L229 MonitoredProcess]: Starting monitored process 34 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) [2021-08-27 15:44:20,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-08-27 15:44:20,914 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 [2021-08-27 15:44:20,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:20,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:20,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:20,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:44:20,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:20,921 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:44:20,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:20,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:20,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:20,937 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:20,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:20,937 INFO L229 MonitoredProcess]: Starting monitored process 35 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) [2021-08-27 15:44:20,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-08-27 15:44:20,961 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 [2021-08-27 15:44:20,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:20,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:20,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:20,967 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 15:44:20,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:20,970 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 15:44:20,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:20,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:21,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:21,011 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:21,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:21,012 INFO L229 MonitoredProcess]: Starting monitored process 36 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) [2021-08-27 15:44:21,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-08-27 15:44:21,013 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 [2021-08-27 15:44:21,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:21,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:21,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:21,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:44:21,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:21,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:44:21,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:21,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:21,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:21,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:21,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:21,067 INFO L229 MonitoredProcess]: Starting monitored process 37 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) [2021-08-27 15:44:21,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-08-27 15:44:21,069 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 [2021-08-27 15:44:21,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:21,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:21,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:21,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:44:21,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:21,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:44:21,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:21,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:21,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:21,090 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:21,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:21,091 INFO L229 MonitoredProcess]: Starting monitored process 38 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) [2021-08-27 15:44:21,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-08-27 15:44:21,093 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 [2021-08-27 15:44:21,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:21,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:21,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:21,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:44:21,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:21,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:44:21,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:21,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:21,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-08-27 15:44:21,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:21,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:21,125 INFO L229 MonitoredProcess]: Starting monitored process 39 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) [2021-08-27 15:44:21,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-08-27 15:44:21,126 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 [2021-08-27 15:44:21,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:21,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:21,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:21,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:44:21,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:21,133 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:44:21,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:21,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:21,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:21,176 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:21,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:21,177 INFO L229 MonitoredProcess]: Starting monitored process 40 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) [2021-08-27 15:44:21,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-08-27 15:44:21,193 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 [2021-08-27 15:44:21,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:21,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:21,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:21,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:44:21,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:21,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:44:21,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:21,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:44:21,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-08-27 15:44:21,214 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:21,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:21,215 INFO L229 MonitoredProcess]: Starting monitored process 41 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) [2021-08-27 15:44:21,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-08-27 15:44:21,222 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 [2021-08-27 15:44:21,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:44:21,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:44:21,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:44:21,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:44:21,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:44:21,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:44:21,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:44:21,235 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:44:21,254 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 15:44:21,254 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 15:44:21,255 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:44:21,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:44:21,265 INFO L229 MonitoredProcess]: Starting monitored process 42 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) [2021-08-27 15:44:21,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-08-27 15:44:21,267 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:44:21,267 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 15:44:21,268 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:44:21,268 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~cleanupTimeShifts~0, ULTIMATE.start_cleanup_~i~1) = 1*~cleanupTimeShifts~0 - 1*ULTIMATE.start_cleanup_~i~1 Supporting invariants [] [2021-08-27 15:44:21,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:21,286 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 15:44:21,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:44:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:44:21,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:44:21,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:44:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:44:21,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 15:44:21,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:44:21,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:44:21,673 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 [2021-08-27 15:44:21,674 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4319 states and 8148 transitions. cyclomatic complexity: 3830 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2021-08-27 15:44:21,886 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4319 states and 8148 transitions. cyclomatic complexity: 3830. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 7086 states and 13370 transitions. Complement of second has 8 states. [2021-08-27 15:44:21,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-08-27 15:44:21,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2021-08-27 15:44:21,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6946 transitions. [2021-08-27 15:44:21,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6946 transitions. Stem has 27 letters. Loop has 25 letters. [2021-08-27 15:44:21,894 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:44:21,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6946 transitions. Stem has 52 letters. Loop has 25 letters. [2021-08-27 15:44:21,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:44:21,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6946 transitions. Stem has 27 letters. Loop has 50 letters. [2021-08-27 15:44:21,897 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:44:21,897 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7086 states and 13370 transitions. [2021-08-27 15:44:21,924 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:44:21,924 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7086 states to 0 states and 0 transitions. [2021-08-27 15:44:21,924 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 15:44:21,924 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 15:44:21,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 15:44:21,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:44:21,924 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:44:21,924 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:44:21,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:44:21,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 15:44:21,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 15:44:21,925 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-08-27 15:44:21,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:44:21,925 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-08-27 15:44:21,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-27 15:44:21,925 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-08-27 15:44:21,925 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:44:21,925 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-08-27 15:44:21,925 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 15:44:21,925 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 15:44:21,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 15:44:21,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:44:21,925 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:44:21,925 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:44:21,925 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:44:21,925 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 15:44:21,926 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 15:44:21,926 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:44:21,926 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 15:44:21,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 03:44:21 BoogieIcfgContainer [2021-08-27 15:44:21,929 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 15:44:21,929 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 15:44:21,929 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 15:44:21,930 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 15:44:21,930 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:44:15" (3/4) ... [2021-08-27 15:44:21,931 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 15:44:21,931 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 15:44:21,932 INFO L168 Benchmark]: Toolchain (without parser) took 12676.52 ms. Allocated memory was 65.0 MB in the beginning and 769.7 MB in the end (delta: 704.6 MB). Free memory was 42.6 MB in the beginning and 366.1 MB in the end (delta: -323.5 MB). Peak memory consumption was 380.0 MB. Max. memory is 16.1 GB. [2021-08-27 15:44:21,933 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 65.0 MB. Free memory was 46.0 MB in the beginning and 46.0 MB in the end (delta: 31.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:44:21,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 513.85 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 42.3 MB in the beginning and 55.0 MB in the end (delta: -12.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-08-27 15:44:21,934 INFO L168 Benchmark]: Boogie Procedure Inliner took 195.54 ms. Allocated memory is still 83.9 MB. Free memory was 55.0 MB in the beginning and 42.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 36.4 MB. Max. memory is 16.1 GB. [2021-08-27 15:44:21,934 INFO L168 Benchmark]: Boogie Preprocessor took 287.75 ms. Allocated memory was 83.9 MB in the beginning and 130.0 MB in the end (delta: 46.1 MB). Free memory was 42.1 MB in the beginning and 57.9 MB in the end (delta: -15.9 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. [2021-08-27 15:44:21,934 INFO L168 Benchmark]: RCFGBuilder took 5730.84 ms. Allocated memory was 130.0 MB in the beginning and 769.7 MB in the end (delta: 639.6 MB). Free memory was 57.9 MB in the beginning and 567.8 MB in the end (delta: -509.8 MB). Peak memory consumption was 319.9 MB. Max. memory is 16.1 GB. [2021-08-27 15:44:21,934 INFO L168 Benchmark]: BuchiAutomizer took 5942.79 ms. Allocated memory is still 769.7 MB. Free memory was 567.8 MB in the beginning and 366.1 MB in the end (delta: 201.7 MB). Peak memory consumption was 200.6 MB. Max. memory is 16.1 GB. [2021-08-27 15:44:21,936 INFO L168 Benchmark]: Witness Printer took 1.91 ms. Allocated memory is still 769.7 MB. Free memory is still 366.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:44:21,937 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 65.0 MB. Free memory was 46.0 MB in the beginning and 46.0 MB in the end (delta: 31.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 513.85 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 42.3 MB in the beginning and 55.0 MB in the end (delta: -12.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 195.54 ms. Allocated memory is still 83.9 MB. Free memory was 55.0 MB in the beginning and 42.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 36.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 287.75 ms. Allocated memory was 83.9 MB in the beginning and 130.0 MB in the end (delta: 46.1 MB). Free memory was 42.1 MB in the beginning and 57.9 MB in the end (delta: -15.9 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 5730.84 ms. Allocated memory was 130.0 MB in the beginning and 769.7 MB in the end (delta: 639.6 MB). Free memory was 57.9 MB in the beginning and 567.8 MB in the end (delta: -509.8 MB). Peak memory consumption was 319.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5942.79 ms. Allocated memory is still 769.7 MB. Free memory was 567.8 MB in the beginning and 366.1 MB in the end (delta: 201.7 MB). Peak memory consumption was 200.6 MB. Max. memory is 16.1 GB. * Witness Printer took 1.91 ms. Allocated memory is still 769.7 MB. Free memory is still 366.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function cleanupTimeShifts + -1 * i and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. Construction of modules took 0.4s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 185.3ms AutomataMinimizationTime, 2 MinimizatonAttempts, 11695 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.2s Buchi closure took 0.0s. Biggest automaton had 4845 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 30400 SDtfs, 62807 SDslu, 68802 SDs, 0 SdLazy, 267 SolverSat, 284 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 405.0ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI2 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital121 mio100 ax100 hnf100 lsp14 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq211 hnf89 smp100 dnf176 smp100 tf103 neg96 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-08-27 15:44:21,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-08-27 15:44:22,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...