./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec2_product27.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_spec2_product27.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 f46e4bfa319fa40976ef2cb708dd037fe3f64c91 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:34:43,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 15:34:43,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 15:34:43,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 15:34:43,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 15:34:43,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 15:34:43,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 15:34:43,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 15:34:43,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 15:34:43,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 15:34:43,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 15:34:43,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 15:34:43,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 15:34:43,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 15:34:43,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 15:34:43,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 15:34:43,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 15:34:43,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 15:34:43,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 15:34:43,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 15:34:43,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 15:34:43,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 15:34:43,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 15:34:43,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 15:34:43,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 15:34:43,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 15:34:43,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 15:34:43,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 15:34:43,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 15:34:43,910 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 15:34:43,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 15:34:43,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 15:34:43,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 15:34:43,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 15:34:43,917 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 15:34:43,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 15:34:43,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 15:34:43,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 15:34:43,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 15:34:43,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 15:34:43,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 15:34:43,923 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 15:34:43,949 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 15:34:43,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 15:34:43,950 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 15:34:43,950 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 15:34:43,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 15:34:43,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 15:34:43,951 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 15:34:43,951 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 15:34:43,952 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 15:34:43,952 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 15:34:43,952 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 15:34:43,953 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 15:34:43,953 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 15:34:43,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 15:34:43,953 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 15:34:43,953 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 15:34:43,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 15:34:43,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 15:34:43,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 15:34:43,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 15:34:43,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 15:34:43,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 15:34:43,954 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 15:34:43,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 15:34:43,965 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 15:34:43,965 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 15:34:43,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 15:34:43,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 15:34:43,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 15:34:43,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 15:34:43,966 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 15:34:43,966 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 15:34:43,967 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 15:34:43,967 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f46e4bfa319fa40976ef2cb708dd037fe3f64c91 [2021-08-27 15:34:44,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 15:34:44,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 15:34:44,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 15:34:44,236 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 15:34:44,237 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 15:34:44,237 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec2_product27.cil.c [2021-08-27 15:34:44,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4404654e9/3a3c5669ec1e470e87d0ae19932c847f/FLAGa31078f9a [2021-08-27 15:34:44,823 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 15:34:44,825 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec2_product27.cil.c [2021-08-27 15:34:44,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4404654e9/3a3c5669ec1e470e87d0ae19932c847f/FLAGa31078f9a [2021-08-27 15:34:45,052 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4404654e9/3a3c5669ec1e470e87d0ae19932c847f [2021-08-27 15:34:45,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 15:34:45,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 15:34:45,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 15:34:45,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 15:34:45,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 15:34:45,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:34:45" (1/1) ... [2021-08-27 15:34:45,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f091ed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:34:45, skipping insertion in model container [2021-08-27 15:34:45,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:34:45" (1/1) ... [2021-08-27 15:34:45,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 15:34:45,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 15:34:45,368 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_spec2_product27.cil.c[16170,16183] [2021-08-27 15:34:45,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:34:45,549 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 15:34:45,577 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_spec2_product27.cil.c[16170,16183] [2021-08-27 15:34:45,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:34:45,645 INFO L208 MainTranslator]: Completed translation [2021-08-27 15:34:45,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:34:45 WrapperNode [2021-08-27 15:34:45,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 15:34:45,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 15:34:45,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 15:34:45,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 15:34:45,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:34:45" (1/1) ... [2021-08-27 15:34:45,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:34:45" (1/1) ... [2021-08-27 15:34:45,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 15:34:45,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 15:34:45,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 15:34:45,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 15:34:45,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:34:45" (1/1) ... [2021-08-27 15:34:45,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:34:45" (1/1) ... [2021-08-27 15:34:45,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:34:45" (1/1) ... [2021-08-27 15:34:45,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:34:45" (1/1) ... [2021-08-27 15:34:45,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:34:45" (1/1) ... [2021-08-27 15:34:45,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:34:45" (1/1) ... [2021-08-27 15:34:45,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:34:45" (1/1) ... [2021-08-27 15:34:45,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 15:34:45,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 15:34:45,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 15:34:45,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 15:34:45,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:34:45" (1/1) ... [2021-08-27 15:34:45,983 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:45,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:34:45,994 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 15:34:46,004 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 15:34:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 15:34:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 15:34:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 15:34:46,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 15:34:49,081 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 15:34:49,081 INFO L299 CfgBuilder]: Removed 661 assume(true) statements. [2021-08-27 15:34:49,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:34:49 BoogieIcfgContainer [2021-08-27 15:34:49,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 15:34:49,084 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 15:34:49,084 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 15:34:49,086 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 15:34:49,086 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:34:49,086 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 03:34:45" (1/3) ... [2021-08-27 15:34:49,087 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23de0398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:34:49, skipping insertion in model container [2021-08-27 15:34:49,087 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:34:49,087 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:34:45" (2/3) ... [2021-08-27 15:34:49,087 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23de0398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:34:49, skipping insertion in model container [2021-08-27 15:34:49,088 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:34:49,088 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:34:49" (3/3) ... [2021-08-27 15:34:49,088 INFO L389 chiAutomizerObserver]: Analyzing ICFG elevator_spec2_product27.cil.c [2021-08-27 15:34:49,111 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 15:34:49,111 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 15:34:49,111 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 15:34:49,111 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 15:34:49,111 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 15:34:49,111 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 15:34:49,112 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 15:34:49,112 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 15:34:49,190 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 2599 states, 2598 states have (on average 1.8806774441878369) internal successors, (4886), 2598 states have internal predecessors, (4886), 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 15:34:49,260 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1289 [2021-08-27 15:34:49,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:34:49,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:34:49,273 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:34:49,273 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:34:49,273 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 15:34:49,280 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 2599 states, 2598 states have (on average 1.8806774441878369) internal successors, (4886), 2598 states have internal predecessors, (4886), 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 15:34:49,308 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1289 [2021-08-27 15:34:49,308 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:34:49,308 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:34:49,312 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:34:49,312 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:34:49,321 INFO L791 eck$LassoCheckResult]: Stem: 640#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~string107.base, #t~string107.offset := #Ultimate.allocOnStack(10);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string109.base, #t~string109.offset, 1);call write~init~int(95, #t~string109.base, 1 + #t~string109.offset, 1);call write~init~int(93, #t~string109.base, 2 + #t~string109.offset, 1);call write~init~int(0, #t~string109.base, 3 + #t~string109.offset, 1);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string111.base, #t~string111.offset, 1);call write~init~int(93, #t~string111.base, 1 + #t~string111.offset, 1);call write~init~int(32, #t~string111.base, 2 + #t~string111.offset, 1);call write~init~int(0, #t~string111.base, 3 + #t~string111.offset, 1);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string113.base, #t~string113.offset, 1);call write~init~int(97, #t~string113.base, 1 + #t~string113.offset, 1);call write~init~int(116, #t~string113.base, 2 + #t~string113.offset, 1);call write~init~int(32, #t~string113.base, 3 + #t~string113.offset, 1);call write~init~int(0, #t~string113.base, 4 + #t~string113.offset, 1);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string115.base, #t~string115.offset, 1);call write~init~int(105, #t~string115.base, 1 + #t~string115.offset, 1);call write~init~int(0, #t~string115.base, 2 + #t~string115.offset, 1);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(10);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string119.base, #t~string119.offset, 1);call write~init~int(112, #t~string119.base, 1 + #t~string119.offset, 1);call write~init~int(0, #t~string119.base, 2 + #t~string119.offset, 1);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string121.base, #t~string121.offset, 1);call write~init~int(111, #t~string121.base, 1 + #t~string121.offset, 1);call write~init~int(119, #t~string121.base, 2 + #t~string121.offset, 1);call write~init~int(110, #t~string121.base, 3 + #t~string121.offset, 1);call write~init~int(0, #t~string121.base, 4 + #t~string121.offset, 1);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string123.base, #t~string123.offset, 1);call write~init~int(73, #t~string123.base, 1 + #t~string123.offset, 1);call write~init~int(76, #t~string123.base, 2 + #t~string123.offset, 1);call write~init~int(95, #t~string123.base, 3 + #t~string123.offset, 1);call write~init~int(112, #t~string123.base, 4 + #t~string123.offset, 1);call write~init~int(58, #t~string123.base, 5 + #t~string123.offset, 1);call write~init~int(0, #t~string123.base, 6 + #t~string123.offset, 1);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string125.base, #t~string125.offset, 1);call write~init~int(37, #t~string125.base, 1 + #t~string125.offset, 1);call write~init~int(105, #t~string125.base, 2 + #t~string125.offset, 1);call write~init~int(0, #t~string125.base, 3 + #t~string125.offset, 1);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string127.base, #t~string127.offset, 1);call write~init~int(37, #t~string127.base, 1 + #t~string127.offset, 1);call write~init~int(105, #t~string127.base, 2 + #t~string127.offset, 1);call write~init~int(0, #t~string127.base, 3 + #t~string127.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~string131.base, #t~string131.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string131.base, #t~string131.offset, 1);call write~init~int(37, #t~string131.base, 1 + #t~string131.offset, 1);call write~init~int(105, #t~string131.base, 2 + #t~string131.offset, 1);call write~init~int(0, #t~string131.base, 3 + #t~string131.offset, 1);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string133.base, #t~string133.offset, 1);call write~init~int(37, #t~string133.base, 1 + #t~string133.offset, 1);call write~init~int(105, #t~string133.base, 2 + #t~string133.offset, 1);call write~init~int(0, #t~string133.base, 3 + #t~string133.offset, 1);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string135.base, #t~string135.offset, 1);call write~init~int(70, #t~string135.base, 1 + #t~string135.offset, 1);call write~init~int(95, #t~string135.base, 2 + #t~string135.offset, 1);call write~init~int(112, #t~string135.base, 3 + #t~string135.offset, 1);call write~init~int(58, #t~string135.base, 4 + #t~string135.offset, 1);call write~init~int(0, #t~string135.base, 5 + #t~string135.offset, 1);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string138.base, #t~string138.offset, 1);call write~init~int(37, #t~string138.base, 1 + #t~string138.offset, 1);call write~init~int(105, #t~string138.base, 2 + #t~string138.offset, 1);call write~init~int(0, #t~string138.base, 3 + #t~string138.offset, 1);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string141.base, #t~string141.offset, 1);call write~init~int(37, #t~string141.base, 1 + #t~string141.offset, 1);call write~init~int(105, #t~string141.base, 2 + #t~string141.offset, 1);call write~init~int(0, #t~string141.base, 3 + #t~string141.offset, 1);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string144.base, #t~string144.offset, 1);call write~init~int(37, #t~string144.base, 1 + #t~string144.offset, 1);call write~init~int(105, #t~string144.base, 2 + #t~string144.offset, 1);call write~init~int(0, #t~string144.base, 3 + #t~string144.offset, 1);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string147.base, #t~string147.offset, 1);call write~init~int(37, #t~string147.base, 1 + #t~string147.offset, 1);call write~init~int(105, #t~string147.base, 2 + #t~string147.offset, 1);call write~init~int(0, #t~string147.base, 3 + #t~string147.offset, 1);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string150.base, #t~string150.offset, 1);call write~init~int(37, #t~string150.base, 1 + #t~string150.offset, 1);call write~init~int(105, #t~string150.base, 2 + #t~string150.offset, 1);call write~init~int(0, #t~string150.base, 3 + #t~string150.offset, 1);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string152.base, #t~string152.offset, 1);call write~init~int(0, #t~string152.base, 1 + #t~string152.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0;~cleanupTimeShifts~0 := 12;~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; 2486#L-1true havoc main_#res;havoc main_#t~ret168, main_~retValue_acc~21, main_~tmp~27;havoc main_~retValue_acc~21;havoc main_~tmp~27; 1716#L3426true havoc valid_product_#res;havoc valid_product_~retValue_acc~29;havoc valid_product_~retValue_acc~29;valid_product_~retValue_acc~29 := 1;valid_product_#res := valid_product_~retValue_acc~29; 2540#L3434true main_#t~ret168 := valid_product_#res;main_~tmp~27 := main_#t~ret168;havoc main_#t~ret168; 638#L2611true assume 0 != main_~tmp~27; 518#L2583true ~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 2544#L427true havoc bigMacCall_#t~ret161, bigMacCall_~tmp~24;havoc bigMacCall_~tmp~24;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~26;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~26; 1158#L3329true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~26 := 4;getOrigin_#res := getOrigin_~retValue_acc~26; 484#L3354true bigMacCall_#t~ret161 := getOrigin_#res;bigMacCall_~tmp~24 := bigMacCall_#t~ret161;havoc bigMacCall_#t~ret161;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~24;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 399#L2978true assume 0 == initPersonOnFloor_~floor; 644#L2979true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 2234#L3086-1true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 968#L2770true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 684#L2782-2true havoc cleanup_#t~ret162, cleanup_#t~ret163, cleanup_~i~3, cleanup_~tmp~25, cleanup_~tmp___0~11, cleanup_~__cil_tmp4~2;havoc cleanup_~i~3;havoc cleanup_~tmp~25;havoc cleanup_~tmp___0~11;havoc cleanup_~__cil_tmp4~2;havoc timeShift_#t~ret96, timeShift_#t~ret97, timeShift_#t~ret98, timeShift_#t~ret99, timeShift_#t~ret100, timeShift_#t~ret101, timeShift_#t~ret102, timeShift_#t~ret103, timeShift_#t~ret104, timeShift_#t~ret105, timeShift_#t~ret106, timeShift_~tmp~17, timeShift_~tmp___0~9, timeShift_~tmp___1~6, timeShift_~tmp___2~4, timeShift_~tmp___3~4, timeShift_~tmp___4~3, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~17;havoc timeShift_~tmp___0~9;havoc timeShift_~tmp___1~6;havoc timeShift_~tmp___2~4;havoc timeShift_~tmp___3~4;havoc timeShift_~tmp___4~3;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret80, stopRequestedAtCurrentFloor_#t~ret81, stopRequestedAtCurrentFloor_#t~ret82, stopRequestedAtCurrentFloor_#t~ret83, stopRequestedAtCurrentFloor_~retValue_acc~15, stopRequestedAtCurrentFloor_~tmp~15, stopRequestedAtCurrentFloor_~tmp___0~7;havoc stopRequestedAtCurrentFloor_~retValue_acc~15;havoc stopRequestedAtCurrentFloor_~tmp~15;havoc stopRequestedAtCurrentFloor_~tmp___0~7;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~18;havoc isExecutiveFloorCalling_~retValue_acc~18;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~22;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~22; 1895#L2707true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~22 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~22; 1797#L2734true isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~18 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~18; 1211#L2258true stopRequestedAtCurrentFloor_#t~ret80 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~15 := stopRequestedAtCurrentFloor_#t~ret80;havoc stopRequestedAtCurrentFloor_#t~ret80; 1344#L1643true assume 0 != stopRequestedAtCurrentFloor_~tmp~15;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; 2044#L974true stopRequestedAtCurrentFloor_#t~ret81 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~7 := stopRequestedAtCurrentFloor_#t~ret81;havoc stopRequestedAtCurrentFloor_#t~ret81; 998#L1647true assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~7);stopRequestedAtCurrentFloor_~retValue_acc~15 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~15; 490#L1660true timeShift_#t~ret96 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret96;havoc timeShift_#t~ret96; 2027#L1795true assume !(0 != timeShift_~tmp___9~2); 2180#L1886true assume !(1 == ~doorState~0); 650#L1886-2true stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret74, stopRequestedInDirection_#t~ret75, stopRequestedInDirection_#t~ret76, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~12, stopRequestedInDirection_~tmp~12, stopRequestedInDirection_~tmp___0~5, stopRequestedInDirection_~__cil_tmp7~5, stopRequestedInDirection_~__cil_tmp8~5;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~12;havoc stopRequestedInDirection_~tmp~12;havoc stopRequestedInDirection_~tmp___0~5;havoc stopRequestedInDirection_~__cil_tmp7~5;havoc stopRequestedInDirection_~__cil_tmp8~5;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~18;havoc isExecutiveFloorCalling_~retValue_acc~18;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~22;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~22; 1999#L2707-3true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~22 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~22; 2121#L2734-3true isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~18 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~18; 1007#L2258-1true stopRequestedInDirection_#t~ret74 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~5 := stopRequestedInDirection_#t~ret74;havoc stopRequestedInDirection_#t~ret74; 2025#L1526true assume 0 != stopRequestedInDirection_~tmp___0~5;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; 2295#L974-1true stopRequestedInDirection_#t~ret75 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~12 := stopRequestedInDirection_#t~ret75;havoc stopRequestedInDirection_#t~ret75;stopRequestedInDirection_~__cil_tmp7~5 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5 := (if stopRequestedInDirection_~tmp~12 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~12 := (if stopRequestedInDirection_~__cil_tmp8~5 == stopRequestedInDirection_~__cil_tmp7~5 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~12; 327#L1539true timeShift_#t~ret103 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret103;havoc timeShift_#t~ret103; 1482#L1894true assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret77, continueInDirection_~dir, continueInDirection_~tmp~13;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~13;~currentHeading~0 := continueInDirection_~dir; 905#L1583true assume !(1 == ~currentHeading~0); 2017#L1593true assume !(0 == ~currentFloorID~0); 697#L1593-2true assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 1763#L1599-5true havoc __utac_acc__Specification2_spec__3_#t~ret42, __utac_acc__Specification2_spec__3_#t~ret43, __utac_acc__Specification2_spec__3_#t~ret44, __utac_acc__Specification2_spec__3_#t~ret45, __utac_acc__Specification2_spec__3_#t~ret46, __utac_acc__Specification2_spec__3_#t~ret47, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~3, __utac_acc__Specification2_spec__3_~tmp___0~0, __utac_acc__Specification2_spec__3_~tmp___1~0, __utac_acc__Specification2_spec__3_~tmp___2~0, __utac_acc__Specification2_spec__3_~tmp___3~0, __utac_acc__Specification2_spec__3_~tmp___4~0;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~3;havoc __utac_acc__Specification2_spec__3_~tmp___0~0;havoc __utac_acc__Specification2_spec__3_~tmp___1~0;havoc __utac_acc__Specification2_spec__3_~tmp___2~0;havoc __utac_acc__Specification2_spec__3_~tmp___3~0;havoc __utac_acc__Specification2_spec__3_~tmp___4~0;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; 172#L974-3true __utac_acc__Specification2_spec__3_#t~ret42 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~3 := __utac_acc__Specification2_spec__3_#t~ret42;havoc __utac_acc__Specification2_spec__3_#t~ret42;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~3; 2478#L472true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 1153#L473true assume 0 != ~floorButtons_spc2_0~0;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; 1166#L983true __utac_acc__Specification2_spec__3_#t~ret43 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~0 := __utac_acc__Specification2_spec__3_#t~ret43;havoc __utac_acc__Specification2_spec__3_#t~ret43; 2159#L477true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0;~floorButtons_spc2_0~0 := 0; 74#L532true cleanup_~i~3 := 0; 731#L2415-2true [2021-08-27 15:34:49,327 INFO L793 eck$LassoCheckResult]: Loop: 731#L2415-2true assume !false; 1553#L2416true cleanup_~__cil_tmp4~2 := ~cleanupTimeShifts~0 - 1; 407#L2419true assume cleanup_~i~3 < cleanup_~__cil_tmp4~2;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~3;havoc isBlocked_~retValue_acc~3;isBlocked_~retValue_acc~3 := 0;isBlocked_#res := isBlocked_~retValue_acc~3; 285#L797true cleanup_#t~ret162 := isBlocked_#res;cleanup_~tmp___0~11 := cleanup_#t~ret162;havoc cleanup_#t~ret162; 252#L2423true assume 1 != cleanup_~tmp___0~11; 603#L2423-1true havoc isIdle_#res;havoc isIdle_#t~ret62, isIdle_~retValue_acc~10, isIdle_~tmp~10;havoc isIdle_~retValue_acc~10;havoc isIdle_~tmp~10;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret57, anyStopRequested_#t~ret58, anyStopRequested_#t~ret59, anyStopRequested_#t~ret60, anyStopRequested_#t~ret61, anyStopRequested_~retValue_acc~9, anyStopRequested_~tmp~9, anyStopRequested_~tmp___0~3, anyStopRequested_~tmp___1~3, anyStopRequested_~tmp___2~1, anyStopRequested_~tmp___3~1;havoc anyStopRequested_~retValue_acc~9;havoc anyStopRequested_~tmp~9;havoc anyStopRequested_~tmp___0~3;havoc anyStopRequested_~tmp___1~3;havoc anyStopRequested_~tmp___2~1;havoc anyStopRequested_~tmp___3~1;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~22;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~22; 709#L2707-25true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~22 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~22; 2050#L2734-25true anyStopRequested_#t~ret57 := isFloorCalling_#res;anyStopRequested_~tmp___3~1 := anyStopRequested_#t~ret57;havoc anyStopRequested_#t~ret57; 1085#L1082true assume 0 != anyStopRequested_~tmp___3~1;anyStopRequested_~retValue_acc~9 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~9; 501#L1146true isIdle_#t~ret62 := anyStopRequested_#res;isIdle_~tmp~10 := isIdle_#t~ret62;havoc isIdle_#t~ret62;isIdle_~retValue_acc~10 := (if 0 == isIdle_~tmp~10 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~10; 2145#L1159true cleanup_#t~ret163 := isIdle_#res;cleanup_~tmp~25 := cleanup_#t~ret163;havoc cleanup_#t~ret163; 1803#L2435true assume !(0 != cleanup_~tmp~25);havoc timeShift_#t~ret96, timeShift_#t~ret97, timeShift_#t~ret98, timeShift_#t~ret99, timeShift_#t~ret100, timeShift_#t~ret101, timeShift_#t~ret102, timeShift_#t~ret103, timeShift_#t~ret104, timeShift_#t~ret105, timeShift_#t~ret106, timeShift_~tmp~17, timeShift_~tmp___0~9, timeShift_~tmp___1~6, timeShift_~tmp___2~4, timeShift_~tmp___3~4, timeShift_~tmp___4~3, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~17;havoc timeShift_~tmp___0~9;havoc timeShift_~tmp___1~6;havoc timeShift_~tmp___2~4;havoc timeShift_~tmp___3~4;havoc timeShift_~tmp___4~3;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret80, stopRequestedAtCurrentFloor_#t~ret81, stopRequestedAtCurrentFloor_#t~ret82, stopRequestedAtCurrentFloor_#t~ret83, stopRequestedAtCurrentFloor_~retValue_acc~15, stopRequestedAtCurrentFloor_~tmp~15, stopRequestedAtCurrentFloor_~tmp___0~7;havoc stopRequestedAtCurrentFloor_~retValue_acc~15;havoc stopRequestedAtCurrentFloor_~tmp~15;havoc stopRequestedAtCurrentFloor_~tmp___0~7;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~18;havoc isExecutiveFloorCalling_~retValue_acc~18;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~22;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~22; 47#L2707-30true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~22 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~22; 1731#L2734-30true isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~18 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~18; 2153#L2258-3true stopRequestedAtCurrentFloor_#t~ret80 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~15 := stopRequestedAtCurrentFloor_#t~ret80;havoc stopRequestedAtCurrentFloor_#t~ret80; 655#L1643-1true assume 0 != stopRequestedAtCurrentFloor_~tmp~15;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; 1825#L974-4true stopRequestedAtCurrentFloor_#t~ret81 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~7 := stopRequestedAtCurrentFloor_#t~ret81;havoc stopRequestedAtCurrentFloor_#t~ret81; 1996#L1647-1true assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~7);stopRequestedAtCurrentFloor_~retValue_acc~15 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~15; 460#L1660-1true timeShift_#t~ret96 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret96;havoc timeShift_#t~ret96; 2140#L1795-1true assume !(0 != timeShift_~tmp___9~2); 1483#L1886-3true assume 1 == ~doorState~0;~doorState~0 := 0; 154#L1886-5true stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret74, stopRequestedInDirection_#t~ret75, stopRequestedInDirection_#t~ret76, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~12, stopRequestedInDirection_~tmp~12, stopRequestedInDirection_~tmp___0~5, stopRequestedInDirection_~__cil_tmp7~5, stopRequestedInDirection_~__cil_tmp8~5;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~12;havoc stopRequestedInDirection_~tmp~12;havoc stopRequestedInDirection_~tmp___0~5;havoc stopRequestedInDirection_~__cil_tmp7~5;havoc stopRequestedInDirection_~__cil_tmp8~5;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~18;havoc isExecutiveFloorCalling_~retValue_acc~18;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~22;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~22; 1051#L2707-33true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~22 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~22; 1029#L2734-33true isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~18 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~18; 2456#L2258-4true stopRequestedInDirection_#t~ret74 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~5 := stopRequestedInDirection_#t~ret74;havoc stopRequestedInDirection_#t~ret74; 906#L1526-2true assume 0 != stopRequestedInDirection_~tmp___0~5;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; 1878#L974-5true stopRequestedInDirection_#t~ret75 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~12 := stopRequestedInDirection_#t~ret75;havoc stopRequestedInDirection_#t~ret75;stopRequestedInDirection_~__cil_tmp7~5 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5 := (if stopRequestedInDirection_~tmp~12 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~12 := (if stopRequestedInDirection_~__cil_tmp8~5 == stopRequestedInDirection_~__cil_tmp7~5 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~12; 534#L1539-2true timeShift_#t~ret103 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret103;havoc timeShift_#t~ret103; 1169#L1894-1true assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret77, continueInDirection_~dir, continueInDirection_~tmp~13;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~13;~currentHeading~0 := continueInDirection_~dir; 770#L1583-3true assume !(1 == ~currentHeading~0); 1609#L1593-9true assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 1944#L1593-11true assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 2382#L1599-11true havoc __utac_acc__Specification2_spec__3_#t~ret42, __utac_acc__Specification2_spec__3_#t~ret43, __utac_acc__Specification2_spec__3_#t~ret44, __utac_acc__Specification2_spec__3_#t~ret45, __utac_acc__Specification2_spec__3_#t~ret46, __utac_acc__Specification2_spec__3_#t~ret47, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~3, __utac_acc__Specification2_spec__3_~tmp___0~0, __utac_acc__Specification2_spec__3_~tmp___1~0, __utac_acc__Specification2_spec__3_~tmp___2~0, __utac_acc__Specification2_spec__3_~tmp___3~0, __utac_acc__Specification2_spec__3_~tmp___4~0;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~3;havoc __utac_acc__Specification2_spec__3_~tmp___0~0;havoc __utac_acc__Specification2_spec__3_~tmp___1~0;havoc __utac_acc__Specification2_spec__3_~tmp___2~0;havoc __utac_acc__Specification2_spec__3_~tmp___3~0;havoc __utac_acc__Specification2_spec__3_~tmp___4~0;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; 466#L974-7true __utac_acc__Specification2_spec__3_#t~ret42 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~3 := __utac_acc__Specification2_spec__3_#t~ret42;havoc __utac_acc__Specification2_spec__3_#t~ret42;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~3; 1789#L472-1true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 1103#L473-1true assume 0 != ~floorButtons_spc2_0~0;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; 1828#L983-5true __utac_acc__Specification2_spec__3_#t~ret43 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~0 := __utac_acc__Specification2_spec__3_#t~ret43;havoc __utac_acc__Specification2_spec__3_#t~ret43; 283#L477-2true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0;~floorButtons_spc2_0~0 := 0; 2171#L532-1true cleanup_~i~3 := 1 + cleanup_~i~3; 731#L2415-2true [2021-08-27 15:34:49,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:34:49,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1955280990, now seen corresponding path program 1 times [2021-08-27 15:34:49,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:34:49,339 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821371151] [2021-08-27 15:34:49,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:34:49,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:34:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:34:49,594 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 15:34:49,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:34:49,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821371151] [2021-08-27 15:34:49,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821371151] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:34:49,596 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:34:49,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 15:34:49,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273000701] [2021-08-27 15:34:49,602 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:34:49,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:34:49,603 INFO L82 PathProgramCache]: Analyzing trace with hash 897008671, now seen corresponding path program 1 times [2021-08-27 15:34:49,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:34:49,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379367942] [2021-08-27 15:34:49,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:34:49,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:34:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:34:49,686 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 15:34:49,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:34:49,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379367942] [2021-08-27 15:34:49,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379367942] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:34:49,687 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:34:49,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-27 15:34:49,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343811676] [2021-08-27 15:34:49,688 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 15:34:49,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:34:49,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-27 15:34:49,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-27 15:34:49,702 INFO L87 Difference]: Start difference. First operand has 2599 states, 2598 states have (on average 1.8806774441878369) internal successors, (4886), 2598 states have internal predecessors, (4886), 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 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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 15:34:52,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:34:52,826 INFO L93 Difference]: Finished difference Result 19811 states and 36972 transitions. [2021-08-27 15:34:52,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-27 15:34:52,827 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19811 states and 36972 transitions. [2021-08-27 15:34:52,957 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9532 [2021-08-27 15:34:53,128 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19811 states to 19671 states and 36816 transitions. [2021-08-27 15:34:53,129 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19671 [2021-08-27 15:34:53,146 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19671 [2021-08-27 15:34:53,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19671 states and 36816 transitions. [2021-08-27 15:34:53,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:34:53,171 INFO L681 BuchiCegarLoop]: Abstraction has 19671 states and 36816 transitions. [2021-08-27 15:34:53,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19671 states and 36816 transitions. [2021-08-27 15:34:53,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19671 to 7453. [2021-08-27 15:34:53,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7453 states, 7453 states have (on average 1.8740104655843284) internal successors, (13967), 7452 states have internal predecessors, (13967), 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 15:34:53,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7453 states to 7453 states and 13967 transitions. [2021-08-27 15:34:53,329 INFO L704 BuchiCegarLoop]: Abstraction has 7453 states and 13967 transitions. [2021-08-27 15:34:53,329 INFO L587 BuchiCegarLoop]: Abstraction has 7453 states and 13967 transitions. [2021-08-27 15:34:53,329 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 15:34:53,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7453 states and 13967 transitions. [2021-08-27 15:34:53,345 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3779 [2021-08-27 15:34:53,345 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:34:53,345 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:34:53,347 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:34:53,347 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:34:53,347 INFO L791 eck$LassoCheckResult]: Stem: 23700#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~string107.base, #t~string107.offset := #Ultimate.allocOnStack(10);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string109.base, #t~string109.offset, 1);call write~init~int(95, #t~string109.base, 1 + #t~string109.offset, 1);call write~init~int(93, #t~string109.base, 2 + #t~string109.offset, 1);call write~init~int(0, #t~string109.base, 3 + #t~string109.offset, 1);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string111.base, #t~string111.offset, 1);call write~init~int(93, #t~string111.base, 1 + #t~string111.offset, 1);call write~init~int(32, #t~string111.base, 2 + #t~string111.offset, 1);call write~init~int(0, #t~string111.base, 3 + #t~string111.offset, 1);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string113.base, #t~string113.offset, 1);call write~init~int(97, #t~string113.base, 1 + #t~string113.offset, 1);call write~init~int(116, #t~string113.base, 2 + #t~string113.offset, 1);call write~init~int(32, #t~string113.base, 3 + #t~string113.offset, 1);call write~init~int(0, #t~string113.base, 4 + #t~string113.offset, 1);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string115.base, #t~string115.offset, 1);call write~init~int(105, #t~string115.base, 1 + #t~string115.offset, 1);call write~init~int(0, #t~string115.base, 2 + #t~string115.offset, 1);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(10);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string119.base, #t~string119.offset, 1);call write~init~int(112, #t~string119.base, 1 + #t~string119.offset, 1);call write~init~int(0, #t~string119.base, 2 + #t~string119.offset, 1);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string121.base, #t~string121.offset, 1);call write~init~int(111, #t~string121.base, 1 + #t~string121.offset, 1);call write~init~int(119, #t~string121.base, 2 + #t~string121.offset, 1);call write~init~int(110, #t~string121.base, 3 + #t~string121.offset, 1);call write~init~int(0, #t~string121.base, 4 + #t~string121.offset, 1);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string123.base, #t~string123.offset, 1);call write~init~int(73, #t~string123.base, 1 + #t~string123.offset, 1);call write~init~int(76, #t~string123.base, 2 + #t~string123.offset, 1);call write~init~int(95, #t~string123.base, 3 + #t~string123.offset, 1);call write~init~int(112, #t~string123.base, 4 + #t~string123.offset, 1);call write~init~int(58, #t~string123.base, 5 + #t~string123.offset, 1);call write~init~int(0, #t~string123.base, 6 + #t~string123.offset, 1);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string125.base, #t~string125.offset, 1);call write~init~int(37, #t~string125.base, 1 + #t~string125.offset, 1);call write~init~int(105, #t~string125.base, 2 + #t~string125.offset, 1);call write~init~int(0, #t~string125.base, 3 + #t~string125.offset, 1);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string127.base, #t~string127.offset, 1);call write~init~int(37, #t~string127.base, 1 + #t~string127.offset, 1);call write~init~int(105, #t~string127.base, 2 + #t~string127.offset, 1);call write~init~int(0, #t~string127.base, 3 + #t~string127.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~string131.base, #t~string131.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string131.base, #t~string131.offset, 1);call write~init~int(37, #t~string131.base, 1 + #t~string131.offset, 1);call write~init~int(105, #t~string131.base, 2 + #t~string131.offset, 1);call write~init~int(0, #t~string131.base, 3 + #t~string131.offset, 1);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string133.base, #t~string133.offset, 1);call write~init~int(37, #t~string133.base, 1 + #t~string133.offset, 1);call write~init~int(105, #t~string133.base, 2 + #t~string133.offset, 1);call write~init~int(0, #t~string133.base, 3 + #t~string133.offset, 1);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string135.base, #t~string135.offset, 1);call write~init~int(70, #t~string135.base, 1 + #t~string135.offset, 1);call write~init~int(95, #t~string135.base, 2 + #t~string135.offset, 1);call write~init~int(112, #t~string135.base, 3 + #t~string135.offset, 1);call write~init~int(58, #t~string135.base, 4 + #t~string135.offset, 1);call write~init~int(0, #t~string135.base, 5 + #t~string135.offset, 1);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string138.base, #t~string138.offset, 1);call write~init~int(37, #t~string138.base, 1 + #t~string138.offset, 1);call write~init~int(105, #t~string138.base, 2 + #t~string138.offset, 1);call write~init~int(0, #t~string138.base, 3 + #t~string138.offset, 1);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string141.base, #t~string141.offset, 1);call write~init~int(37, #t~string141.base, 1 + #t~string141.offset, 1);call write~init~int(105, #t~string141.base, 2 + #t~string141.offset, 1);call write~init~int(0, #t~string141.base, 3 + #t~string141.offset, 1);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string144.base, #t~string144.offset, 1);call write~init~int(37, #t~string144.base, 1 + #t~string144.offset, 1);call write~init~int(105, #t~string144.base, 2 + #t~string144.offset, 1);call write~init~int(0, #t~string144.base, 3 + #t~string144.offset, 1);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string147.base, #t~string147.offset, 1);call write~init~int(37, #t~string147.base, 1 + #t~string147.offset, 1);call write~init~int(105, #t~string147.base, 2 + #t~string147.offset, 1);call write~init~int(0, #t~string147.base, 3 + #t~string147.offset, 1);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string150.base, #t~string150.offset, 1);call write~init~int(37, #t~string150.base, 1 + #t~string150.offset, 1);call write~init~int(105, #t~string150.base, 2 + #t~string150.offset, 1);call write~init~int(0, #t~string150.base, 3 + #t~string150.offset, 1);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string152.base, #t~string152.offset, 1);call write~init~int(0, #t~string152.base, 1 + #t~string152.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0;~cleanupTimeShifts~0 := 12;~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; 23701#L-1 havoc main_#res;havoc main_#t~ret168, main_~retValue_acc~21, main_~tmp~27;havoc main_~retValue_acc~21;havoc main_~tmp~27; 24841#L3426 havoc valid_product_#res;havoc valid_product_~retValue_acc~29;havoc valid_product_~retValue_acc~29;valid_product_~retValue_acc~29 := 1;valid_product_#res := valid_product_~retValue_acc~29; 24842#L3434 main_#t~ret168 := valid_product_#res;main_~tmp~27 := main_#t~ret168;havoc main_#t~ret168; 23698#L2611 assume 0 != main_~tmp~27; 23516#L2583 ~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 23517#L427 havoc bigMacCall_#t~ret161, bigMacCall_~tmp~24;havoc bigMacCall_~tmp~24;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~26;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~26; 24388#L3329 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~26 := 4;getOrigin_#res := getOrigin_~retValue_acc~26; 22498#L3354 bigMacCall_#t~ret161 := getOrigin_#res;bigMacCall_~tmp~24 := bigMacCall_#t~ret161;havoc bigMacCall_#t~ret161;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~24;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 23309#L2978 assume 0 == initPersonOnFloor_~floor; 23310#L2979 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 22718#L3086-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 24163#L2770 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 22938#L2782-2 havoc cleanup_#t~ret162, cleanup_#t~ret163, cleanup_~i~3, cleanup_~tmp~25, cleanup_~tmp___0~11, cleanup_~__cil_tmp4~2;havoc cleanup_~i~3;havoc cleanup_~tmp~25;havoc cleanup_~tmp___0~11;havoc cleanup_~__cil_tmp4~2;havoc timeShift_#t~ret96, timeShift_#t~ret97, timeShift_#t~ret98, timeShift_#t~ret99, timeShift_#t~ret100, timeShift_#t~ret101, timeShift_#t~ret102, timeShift_#t~ret103, timeShift_#t~ret104, timeShift_#t~ret105, timeShift_#t~ret106, timeShift_~tmp~17, timeShift_~tmp___0~9, timeShift_~tmp___1~6, timeShift_~tmp___2~4, timeShift_~tmp___3~4, timeShift_~tmp___4~3, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~17;havoc timeShift_~tmp___0~9;havoc timeShift_~tmp___1~6;havoc timeShift_~tmp___2~4;havoc timeShift_~tmp___3~4;havoc timeShift_~tmp___4~3;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret80, stopRequestedAtCurrentFloor_#t~ret81, stopRequestedAtCurrentFloor_#t~ret82, stopRequestedAtCurrentFloor_#t~ret83, stopRequestedAtCurrentFloor_~retValue_acc~15, stopRequestedAtCurrentFloor_~tmp~15, stopRequestedAtCurrentFloor_~tmp___0~7;havoc stopRequestedAtCurrentFloor_~retValue_acc~15;havoc stopRequestedAtCurrentFloor_~tmp~15;havoc stopRequestedAtCurrentFloor_~tmp___0~7;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~18;havoc isExecutiveFloorCalling_~retValue_acc~18;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~22;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~22; 23762#L2707 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~22 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~22; 24950#L2734 isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~18 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~18; 25189#L2258 stopRequestedAtCurrentFloor_#t~ret80 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~15 := stopRequestedAtCurrentFloor_#t~ret80;havoc stopRequestedAtCurrentFloor_#t~ret80; 25187#L1643 assume 0 != stopRequestedAtCurrentFloor_~tmp~15;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; 25184#L974 stopRequestedAtCurrentFloor_#t~ret81 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~7 := stopRequestedAtCurrentFloor_#t~ret81;havoc stopRequestedAtCurrentFloor_#t~ret81; 25181#L1647 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~7);stopRequestedAtCurrentFloor_~retValue_acc~15 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~15; 25182#L1660 timeShift_#t~ret96 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret96;havoc timeShift_#t~ret96; 28738#L1795 assume !(0 != timeShift_~tmp___9~2); 28739#L1886 assume !(1 == ~doorState~0); 29747#L1886-2 stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret74, stopRequestedInDirection_#t~ret75, stopRequestedInDirection_#t~ret76, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~12, stopRequestedInDirection_~tmp~12, stopRequestedInDirection_~tmp___0~5, stopRequestedInDirection_~__cil_tmp7~5, stopRequestedInDirection_~__cil_tmp8~5;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~12;havoc stopRequestedInDirection_~tmp~12;havoc stopRequestedInDirection_~tmp___0~5;havoc stopRequestedInDirection_~__cil_tmp7~5;havoc stopRequestedInDirection_~__cil_tmp8~5;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~18;havoc isExecutiveFloorCalling_~retValue_acc~18;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~22;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~22; 29746#L2707-3 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~22 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~22; 29745#L2734-3 isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~18 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~18; 29744#L2258-1 stopRequestedInDirection_#t~ret74 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~5 := stopRequestedInDirection_#t~ret74;havoc stopRequestedInDirection_#t~ret74; 29742#L1526 assume 0 != stopRequestedInDirection_~tmp___0~5;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; 29743#L974-1 stopRequestedInDirection_#t~ret75 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~12 := stopRequestedInDirection_#t~ret75;havoc stopRequestedInDirection_#t~ret75;stopRequestedInDirection_~__cil_tmp7~5 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5 := (if stopRequestedInDirection_~tmp~12 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~12 := (if stopRequestedInDirection_~__cil_tmp8~5 == stopRequestedInDirection_~__cil_tmp7~5 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~12; 29751#L1539 timeShift_#t~ret103 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret103;havoc timeShift_#t~ret103; 29749#L1894 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret77, continueInDirection_~dir, continueInDirection_~tmp~13;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~13;~currentHeading~0 := continueInDirection_~dir; 29748#L1583 assume !(1 == ~currentHeading~0); 25010#L1593 assume !(0 == ~currentFloorID~0); 23780#L1593-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 22686#L1599-5 havoc __utac_acc__Specification2_spec__3_#t~ret42, __utac_acc__Specification2_spec__3_#t~ret43, __utac_acc__Specification2_spec__3_#t~ret44, __utac_acc__Specification2_spec__3_#t~ret45, __utac_acc__Specification2_spec__3_#t~ret46, __utac_acc__Specification2_spec__3_#t~ret47, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~3, __utac_acc__Specification2_spec__3_~tmp___0~0, __utac_acc__Specification2_spec__3_~tmp___1~0, __utac_acc__Specification2_spec__3_~tmp___2~0, __utac_acc__Specification2_spec__3_~tmp___3~0, __utac_acc__Specification2_spec__3_~tmp___4~0;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~3;havoc __utac_acc__Specification2_spec__3_~tmp___0~0;havoc __utac_acc__Specification2_spec__3_~tmp___1~0;havoc __utac_acc__Specification2_spec__3_~tmp___2~0;havoc __utac_acc__Specification2_spec__3_~tmp___3~0;havoc __utac_acc__Specification2_spec__3_~tmp___4~0;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; 22869#L974-3 __utac_acc__Specification2_spec__3_#t~ret42 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~3 := __utac_acc__Specification2_spec__3_#t~ret42;havoc __utac_acc__Specification2_spec__3_#t~ret42;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~3; 22870#L472 assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 24380#L473 assume 0 != ~floorButtons_spc2_0~0;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; 24382#L983 __utac_acc__Specification2_spec__3_#t~ret43 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~0 := __utac_acc__Specification2_spec__3_#t~ret43;havoc __utac_acc__Specification2_spec__3_#t~ret43; 24394#L477 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0;~floorButtons_spc2_0~0 := 0; 23533#L532 cleanup_~i~3 := 0; 27893#L2415-2 [2021-08-27 15:34:53,348 INFO L793 eck$LassoCheckResult]: Loop: 27893#L2415-2 assume !false; 27892#L2416 cleanup_~__cil_tmp4~2 := ~cleanupTimeShifts~0 - 1; 27891#L2419 assume cleanup_~i~3 < cleanup_~__cil_tmp4~2;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~3;havoc isBlocked_~retValue_acc~3;isBlocked_~retValue_acc~3 := 0;isBlocked_#res := isBlocked_~retValue_acc~3; 27890#L797 cleanup_#t~ret162 := isBlocked_#res;cleanup_~tmp___0~11 := cleanup_#t~ret162;havoc cleanup_#t~ret162; 27889#L2423 assume 1 != cleanup_~tmp___0~11; 27888#L2423-1 havoc isIdle_#res;havoc isIdle_#t~ret62, isIdle_~retValue_acc~10, isIdle_~tmp~10;havoc isIdle_~retValue_acc~10;havoc isIdle_~tmp~10;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret57, anyStopRequested_#t~ret58, anyStopRequested_#t~ret59, anyStopRequested_#t~ret60, anyStopRequested_#t~ret61, anyStopRequested_~retValue_acc~9, anyStopRequested_~tmp~9, anyStopRequested_~tmp___0~3, anyStopRequested_~tmp___1~3, anyStopRequested_~tmp___2~1, anyStopRequested_~tmp___3~1;havoc anyStopRequested_~retValue_acc~9;havoc anyStopRequested_~tmp~9;havoc anyStopRequested_~tmp___0~3;havoc anyStopRequested_~tmp___1~3;havoc anyStopRequested_~tmp___2~1;havoc anyStopRequested_~tmp___3~1;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~22;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~22; 23798#L2707-25 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~22 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~22; 23799#L2734-25 anyStopRequested_#t~ret57 := isFloorCalling_#res;anyStopRequested_~tmp___3~1 := anyStopRequested_#t~ret57;havoc anyStopRequested_#t~ret57; 25027#L1082 assume 0 != anyStopRequested_~tmp___3~1;anyStopRequested_~retValue_acc~9 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~9; 27875#L1146 isIdle_#t~ret62 := anyStopRequested_#res;isIdle_~tmp~10 := isIdle_#t~ret62;havoc isIdle_#t~ret62;isIdle_~retValue_acc~10 := (if 0 == isIdle_~tmp~10 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~10; 27874#L1159 cleanup_#t~ret163 := isIdle_#res;cleanup_~tmp~25 := cleanup_#t~ret163;havoc cleanup_#t~ret163; 24900#L2435 assume !(0 != cleanup_~tmp~25);havoc timeShift_#t~ret96, timeShift_#t~ret97, timeShift_#t~ret98, timeShift_#t~ret99, timeShift_#t~ret100, timeShift_#t~ret101, timeShift_#t~ret102, timeShift_#t~ret103, timeShift_#t~ret104, timeShift_#t~ret105, timeShift_#t~ret106, timeShift_~tmp~17, timeShift_~tmp___0~9, timeShift_~tmp___1~6, timeShift_~tmp___2~4, timeShift_~tmp___3~4, timeShift_~tmp___4~3, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~17;havoc timeShift_~tmp___0~9;havoc timeShift_~tmp___1~6;havoc timeShift_~tmp___2~4;havoc timeShift_~tmp___3~4;havoc timeShift_~tmp___4~3;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret80, stopRequestedAtCurrentFloor_#t~ret81, stopRequestedAtCurrentFloor_#t~ret82, stopRequestedAtCurrentFloor_#t~ret83, stopRequestedAtCurrentFloor_~retValue_acc~15, stopRequestedAtCurrentFloor_~tmp~15, stopRequestedAtCurrentFloor_~tmp___0~7;havoc stopRequestedAtCurrentFloor_~retValue_acc~15;havoc stopRequestedAtCurrentFloor_~tmp~15;havoc stopRequestedAtCurrentFloor_~tmp___0~7;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~18;havoc isExecutiveFloorCalling_~retValue_acc~18;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~22;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~22; 22571#L2707-30 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~22 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~22; 22572#L2734-30 isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~18 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~18; 24851#L2258-3 stopRequestedAtCurrentFloor_#t~ret80 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~15 := stopRequestedAtCurrentFloor_#t~ret80;havoc stopRequestedAtCurrentFloor_#t~ret80; 23728#L1643-1 assume 0 != stopRequestedAtCurrentFloor_~tmp~15;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; 23730#L974-4 stopRequestedAtCurrentFloor_#t~ret81 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~7 := stopRequestedAtCurrentFloor_#t~ret81;havoc stopRequestedAtCurrentFloor_#t~ret81; 24910#L1647-1 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~7);stopRequestedAtCurrentFloor_~retValue_acc~15 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~15; 25001#L1660-1 timeShift_#t~ret96 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret96;havoc timeShift_#t~ret96; 29264#L1795-1 assume !(0 != timeShift_~tmp___9~2); 29265#L1886-3 assume 1 == ~doorState~0;~doorState~0 := 0; 29789#L1886-5 stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret74, stopRequestedInDirection_#t~ret75, stopRequestedInDirection_#t~ret76, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~12, stopRequestedInDirection_~tmp~12, stopRequestedInDirection_~tmp___0~5, stopRequestedInDirection_~__cil_tmp7~5, stopRequestedInDirection_~__cil_tmp8~5;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~12;havoc stopRequestedInDirection_~tmp~12;havoc stopRequestedInDirection_~tmp___0~5;havoc stopRequestedInDirection_~__cil_tmp7~5;havoc stopRequestedInDirection_~__cil_tmp8~5;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~18;havoc isExecutiveFloorCalling_~retValue_acc~18;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~22;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~22; 29788#L2707-33 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~22 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~22; 29787#L2734-33 isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~18 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~18; 29786#L2258-4 stopRequestedInDirection_#t~ret74 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~5 := stopRequestedInDirection_#t~ret74;havoc stopRequestedInDirection_#t~ret74; 29784#L1526-2 assume 0 != stopRequestedInDirection_~tmp___0~5;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; 24943#L974-5 stopRequestedInDirection_#t~ret75 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~12 := stopRequestedInDirection_#t~ret75;havoc stopRequestedInDirection_#t~ret75;stopRequestedInDirection_~__cil_tmp7~5 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5 := (if stopRequestedInDirection_~tmp~12 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~12 := (if stopRequestedInDirection_~__cil_tmp8~5 == stopRequestedInDirection_~__cil_tmp7~5 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~12; 23545#L1539-2 timeShift_#t~ret103 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret103;havoc timeShift_#t~ret103; 23546#L1894-1 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret77, continueInDirection_~dir, continueInDirection_~tmp~13;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~13;~currentHeading~0 := continueInDirection_~dir; 23894#L1583-3 assume !(1 == ~currentHeading~0); 23895#L1593-9 assume !(0 == ~currentFloorID~0); 24777#L1593-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 22803#L1599-11 havoc __utac_acc__Specification2_spec__3_#t~ret42, __utac_acc__Specification2_spec__3_#t~ret43, __utac_acc__Specification2_spec__3_#t~ret44, __utac_acc__Specification2_spec__3_#t~ret45, __utac_acc__Specification2_spec__3_#t~ret46, __utac_acc__Specification2_spec__3_#t~ret47, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~3, __utac_acc__Specification2_spec__3_~tmp___0~0, __utac_acc__Specification2_spec__3_~tmp___1~0, __utac_acc__Specification2_spec__3_~tmp___2~0, __utac_acc__Specification2_spec__3_~tmp___3~0, __utac_acc__Specification2_spec__3_~tmp___4~0;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~3;havoc __utac_acc__Specification2_spec__3_~tmp___0~0;havoc __utac_acc__Specification2_spec__3_~tmp___1~0;havoc __utac_acc__Specification2_spec__3_~tmp___2~0;havoc __utac_acc__Specification2_spec__3_~tmp___3~0;havoc __utac_acc__Specification2_spec__3_~tmp___4~0;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; 23428#L974-7 __utac_acc__Specification2_spec__3_#t~ret42 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~3 := __utac_acc__Specification2_spec__3_#t~ret42;havoc __utac_acc__Specification2_spec__3_#t~ret42;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~3; 23429#L472-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 24319#L473-1 assume 0 != ~floorButtons_spc2_0~0;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; 24320#L983-5 __utac_acc__Specification2_spec__3_#t~ret43 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~0 := __utac_acc__Specification2_spec__3_#t~ret43;havoc __utac_acc__Specification2_spec__3_#t~ret43; 23095#L477-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0;~floorButtons_spc2_0~0 := 0; 22533#L532-1 cleanup_~i~3 := 1 + cleanup_~i~3; 27893#L2415-2 [2021-08-27 15:34:53,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:34:53,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1955280990, now seen corresponding path program 2 times [2021-08-27 15:34:53,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:34:53,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912349085] [2021-08-27 15:34:53,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:34:53,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:34:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:34:53,383 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 15:34:53,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:34:53,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912349085] [2021-08-27 15:34:53,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912349085] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:34:53,384 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:34:53,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 15:34:53,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476961677] [2021-08-27 15:34:53,385 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:34:53,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:34:53,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1577067041, now seen corresponding path program 1 times [2021-08-27 15:34:53,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:34:53,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070133972] [2021-08-27 15:34:53,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:34:53,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:34:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:34:53,413 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 15:34:53,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:34:53,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070133972] [2021-08-27 15:34:53,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070133972] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:34:53,414 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:34:53,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 15:34:53,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335465327] [2021-08-27 15:34:53,415 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 15:34:53,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:34:53,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 15:34:53,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 15:34:53,416 INFO L87 Difference]: Start difference. First operand 7453 states and 13967 transitions. cyclomatic complexity: 6516 Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 15:34:53,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:34:53,807 INFO L93 Difference]: Finished difference Result 22510 states and 41941 transitions. [2021-08-27 15:34:53,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-27 15:34:53,808 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22510 states and 41941 transitions. [2021-08-27 15:34:53,891 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17868 [2021-08-27 15:34:53,951 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22510 states to 22510 states and 41941 transitions. [2021-08-27 15:34:53,951 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22510 [2021-08-27 15:34:53,968 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22510 [2021-08-27 15:34:53,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22510 states and 41941 transitions. [2021-08-27 15:34:53,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:34:53,992 INFO L681 BuchiCegarLoop]: Abstraction has 22510 states and 41941 transitions. [2021-08-27 15:34:54,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22510 states and 41941 transitions. [2021-08-27 15:34:54,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22510 to 9366. [2021-08-27 15:34:54,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9366 states, 9366 states have (on average 1.8614136237454624) internal successors, (17434), 9365 states have internal predecessors, (17434), 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 15:34:54,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9366 states to 9366 states and 17434 transitions. [2021-08-27 15:34:54,169 INFO L704 BuchiCegarLoop]: Abstraction has 9366 states and 17434 transitions. [2021-08-27 15:34:54,169 INFO L587 BuchiCegarLoop]: Abstraction has 9366 states and 17434 transitions. [2021-08-27 15:34:54,169 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 15:34:54,170 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9366 states and 17434 transitions. [2021-08-27 15:34:54,192 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4823 [2021-08-27 15:34:54,193 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:34:54,193 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:34:54,195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:34:54,195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:34:54,195 INFO L791 eck$LassoCheckResult]: Stem: 53706#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~string107.base, #t~string107.offset := #Ultimate.allocOnStack(10);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string109.base, #t~string109.offset, 1);call write~init~int(95, #t~string109.base, 1 + #t~string109.offset, 1);call write~init~int(93, #t~string109.base, 2 + #t~string109.offset, 1);call write~init~int(0, #t~string109.base, 3 + #t~string109.offset, 1);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string111.base, #t~string111.offset, 1);call write~init~int(93, #t~string111.base, 1 + #t~string111.offset, 1);call write~init~int(32, #t~string111.base, 2 + #t~string111.offset, 1);call write~init~int(0, #t~string111.base, 3 + #t~string111.offset, 1);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string113.base, #t~string113.offset, 1);call write~init~int(97, #t~string113.base, 1 + #t~string113.offset, 1);call write~init~int(116, #t~string113.base, 2 + #t~string113.offset, 1);call write~init~int(32, #t~string113.base, 3 + #t~string113.offset, 1);call write~init~int(0, #t~string113.base, 4 + #t~string113.offset, 1);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string115.base, #t~string115.offset, 1);call write~init~int(105, #t~string115.base, 1 + #t~string115.offset, 1);call write~init~int(0, #t~string115.base, 2 + #t~string115.offset, 1);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(10);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string119.base, #t~string119.offset, 1);call write~init~int(112, #t~string119.base, 1 + #t~string119.offset, 1);call write~init~int(0, #t~string119.base, 2 + #t~string119.offset, 1);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string121.base, #t~string121.offset, 1);call write~init~int(111, #t~string121.base, 1 + #t~string121.offset, 1);call write~init~int(119, #t~string121.base, 2 + #t~string121.offset, 1);call write~init~int(110, #t~string121.base, 3 + #t~string121.offset, 1);call write~init~int(0, #t~string121.base, 4 + #t~string121.offset, 1);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string123.base, #t~string123.offset, 1);call write~init~int(73, #t~string123.base, 1 + #t~string123.offset, 1);call write~init~int(76, #t~string123.base, 2 + #t~string123.offset, 1);call write~init~int(95, #t~string123.base, 3 + #t~string123.offset, 1);call write~init~int(112, #t~string123.base, 4 + #t~string123.offset, 1);call write~init~int(58, #t~string123.base, 5 + #t~string123.offset, 1);call write~init~int(0, #t~string123.base, 6 + #t~string123.offset, 1);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string125.base, #t~string125.offset, 1);call write~init~int(37, #t~string125.base, 1 + #t~string125.offset, 1);call write~init~int(105, #t~string125.base, 2 + #t~string125.offset, 1);call write~init~int(0, #t~string125.base, 3 + #t~string125.offset, 1);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string127.base, #t~string127.offset, 1);call write~init~int(37, #t~string127.base, 1 + #t~string127.offset, 1);call write~init~int(105, #t~string127.base, 2 + #t~string127.offset, 1);call write~init~int(0, #t~string127.base, 3 + #t~string127.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~string131.base, #t~string131.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string131.base, #t~string131.offset, 1);call write~init~int(37, #t~string131.base, 1 + #t~string131.offset, 1);call write~init~int(105, #t~string131.base, 2 + #t~string131.offset, 1);call write~init~int(0, #t~string131.base, 3 + #t~string131.offset, 1);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string133.base, #t~string133.offset, 1);call write~init~int(37, #t~string133.base, 1 + #t~string133.offset, 1);call write~init~int(105, #t~string133.base, 2 + #t~string133.offset, 1);call write~init~int(0, #t~string133.base, 3 + #t~string133.offset, 1);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string135.base, #t~string135.offset, 1);call write~init~int(70, #t~string135.base, 1 + #t~string135.offset, 1);call write~init~int(95, #t~string135.base, 2 + #t~string135.offset, 1);call write~init~int(112, #t~string135.base, 3 + #t~string135.offset, 1);call write~init~int(58, #t~string135.base, 4 + #t~string135.offset, 1);call write~init~int(0, #t~string135.base, 5 + #t~string135.offset, 1);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string138.base, #t~string138.offset, 1);call write~init~int(37, #t~string138.base, 1 + #t~string138.offset, 1);call write~init~int(105, #t~string138.base, 2 + #t~string138.offset, 1);call write~init~int(0, #t~string138.base, 3 + #t~string138.offset, 1);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string141.base, #t~string141.offset, 1);call write~init~int(37, #t~string141.base, 1 + #t~string141.offset, 1);call write~init~int(105, #t~string141.base, 2 + #t~string141.offset, 1);call write~init~int(0, #t~string141.base, 3 + #t~string141.offset, 1);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string144.base, #t~string144.offset, 1);call write~init~int(37, #t~string144.base, 1 + #t~string144.offset, 1);call write~init~int(105, #t~string144.base, 2 + #t~string144.offset, 1);call write~init~int(0, #t~string144.base, 3 + #t~string144.offset, 1);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string147.base, #t~string147.offset, 1);call write~init~int(37, #t~string147.base, 1 + #t~string147.offset, 1);call write~init~int(105, #t~string147.base, 2 + #t~string147.offset, 1);call write~init~int(0, #t~string147.base, 3 + #t~string147.offset, 1);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string150.base, #t~string150.offset, 1);call write~init~int(37, #t~string150.base, 1 + #t~string150.offset, 1);call write~init~int(105, #t~string150.base, 2 + #t~string150.offset, 1);call write~init~int(0, #t~string150.base, 3 + #t~string150.offset, 1);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string152.base, #t~string152.offset, 1);call write~init~int(0, #t~string152.base, 1 + #t~string152.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0;~cleanupTimeShifts~0 := 12;~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; 53707#L-1 havoc main_#res;havoc main_#t~ret168, main_~retValue_acc~21, main_~tmp~27;havoc main_~retValue_acc~21;havoc main_~tmp~27; 54921#L3426 havoc valid_product_#res;havoc valid_product_~retValue_acc~29;havoc valid_product_~retValue_acc~29;valid_product_~retValue_acc~29 := 1;valid_product_#res := valid_product_~retValue_acc~29; 54922#L3434 main_#t~ret168 := valid_product_#res;main_~tmp~27 := main_#t~ret168;havoc main_#t~ret168; 53702#L2611 assume 0 != main_~tmp~27; 53512#L2583 ~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 53513#L427 havoc bigMacCall_#t~ret161, bigMacCall_~tmp~24;havoc bigMacCall_~tmp~24;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~26;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~26; 54424#L3329 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~26 := 4;getOrigin_#res := getOrigin_~retValue_acc~26; 52480#L3354 bigMacCall_#t~ret161 := getOrigin_#res;bigMacCall_~tmp~24 := bigMacCall_#t~ret161;havoc bigMacCall_#t~ret161;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~24;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 53299#L2978 assume 0 == initPersonOnFloor_~floor; 53300#L2979 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 52700#L3086-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 54182#L2770 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 52922#L2782-2 havoc cleanup_#t~ret162, cleanup_#t~ret163, cleanup_~i~3, cleanup_~tmp~25, cleanup_~tmp___0~11, cleanup_~__cil_tmp4~2;havoc cleanup_~i~3;havoc cleanup_~tmp~25;havoc cleanup_~tmp___0~11;havoc cleanup_~__cil_tmp4~2;havoc timeShift_#t~ret96, timeShift_#t~ret97, timeShift_#t~ret98, timeShift_#t~ret99, timeShift_#t~ret100, timeShift_#t~ret101, timeShift_#t~ret102, timeShift_#t~ret103, timeShift_#t~ret104, timeShift_#t~ret105, timeShift_#t~ret106, timeShift_~tmp~17, timeShift_~tmp___0~9, timeShift_~tmp___1~6, timeShift_~tmp___2~4, timeShift_~tmp___3~4, timeShift_~tmp___4~3, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~17;havoc timeShift_~tmp___0~9;havoc timeShift_~tmp___1~6;havoc timeShift_~tmp___2~4;havoc timeShift_~tmp___3~4;havoc timeShift_~tmp___4~3;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret80, stopRequestedAtCurrentFloor_#t~ret81, stopRequestedAtCurrentFloor_#t~ret82, stopRequestedAtCurrentFloor_#t~ret83, stopRequestedAtCurrentFloor_~retValue_acc~15, stopRequestedAtCurrentFloor_~tmp~15, stopRequestedAtCurrentFloor_~tmp___0~7;havoc stopRequestedAtCurrentFloor_~retValue_acc~15;havoc stopRequestedAtCurrentFloor_~tmp~15;havoc stopRequestedAtCurrentFloor_~tmp___0~7;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~18;havoc isExecutiveFloorCalling_~retValue_acc~18;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~22;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~22; 53767#L2707 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~22 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~22; 55056#L2734 isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~18 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~18; 55375#L2258 stopRequestedAtCurrentFloor_#t~ret80 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~15 := stopRequestedAtCurrentFloor_#t~ret80;havoc stopRequestedAtCurrentFloor_#t~ret80; 55373#L1643 assume 0 != stopRequestedAtCurrentFloor_~tmp~15;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; 55372#L974 stopRequestedAtCurrentFloor_#t~ret81 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~7 := stopRequestedAtCurrentFloor_#t~ret81;havoc stopRequestedAtCurrentFloor_#t~ret81; 55371#L1647 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~7);stopRequestedAtCurrentFloor_~retValue_acc~15 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~15; 53459#L1660 timeShift_#t~ret96 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret96;havoc timeShift_#t~ret96; 53460#L1795 assume !(0 != timeShift_~tmp___9~2); 55226#L1886 assume !(1 == ~doorState~0); 55228#L1886-2 stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret74, stopRequestedInDirection_#t~ret75, stopRequestedInDirection_#t~ret76, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~12, stopRequestedInDirection_~tmp~12, stopRequestedInDirection_~tmp___0~5, stopRequestedInDirection_~__cil_tmp7~5, stopRequestedInDirection_~__cil_tmp8~5;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~12;havoc stopRequestedInDirection_~tmp~12;havoc stopRequestedInDirection_~tmp___0~5;havoc stopRequestedInDirection_~__cil_tmp7~5;havoc stopRequestedInDirection_~__cil_tmp8~5;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~18;havoc isExecutiveFloorCalling_~retValue_acc~18;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~22;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~22; 55123#L2707-3 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~22 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~22; 55124#L2734-3 isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~18 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~18; 54223#L2258-1 stopRequestedInDirection_#t~ret74 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~5 := stopRequestedInDirection_#t~ret74;havoc stopRequestedInDirection_#t~ret74; 54224#L1526 assume 0 != stopRequestedInDirection_~tmp___0~5;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; 55485#L974-1 stopRequestedInDirection_#t~ret75 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~12 := stopRequestedInDirection_#t~ret75;havoc stopRequestedInDirection_#t~ret75;stopRequestedInDirection_~__cil_tmp7~5 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5 := (if stopRequestedInDirection_~tmp~12 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~12 := (if stopRequestedInDirection_~__cil_tmp8~5 == stopRequestedInDirection_~__cil_tmp7~5 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~12; 55483#L1539 timeShift_#t~ret103 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret103;havoc timeShift_#t~ret103; 55478#L1894 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret77, continueInDirection_~dir, continueInDirection_~tmp~13;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~13;~currentHeading~0 := continueInDirection_~dir; 55479#L1583 assume !(1 == ~currentHeading~0); 56711#L1593 assume !(0 == ~currentFloorID~0); 56709#L1593-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 54362#L1599-5 havoc __utac_acc__Specification2_spec__3_#t~ret42, __utac_acc__Specification2_spec__3_#t~ret43, __utac_acc__Specification2_spec__3_#t~ret44, __utac_acc__Specification2_spec__3_#t~ret45, __utac_acc__Specification2_spec__3_#t~ret46, __utac_acc__Specification2_spec__3_#t~ret47, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~3, __utac_acc__Specification2_spec__3_~tmp___0~0, __utac_acc__Specification2_spec__3_~tmp___1~0, __utac_acc__Specification2_spec__3_~tmp___2~0, __utac_acc__Specification2_spec__3_~tmp___3~0, __utac_acc__Specification2_spec__3_~tmp___4~0;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~3;havoc __utac_acc__Specification2_spec__3_~tmp___0~0;havoc __utac_acc__Specification2_spec__3_~tmp___1~0;havoc __utac_acc__Specification2_spec__3_~tmp___2~0;havoc __utac_acc__Specification2_spec__3_~tmp___3~0;havoc __utac_acc__Specification2_spec__3_~tmp___4~0;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; 56657#L974-3 __utac_acc__Specification2_spec__3_#t~ret42 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~3 := __utac_acc__Specification2_spec__3_#t~ret42;havoc __utac_acc__Specification2_spec__3_#t~ret42;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~3; 55346#L472 assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 54413#L473 assume 0 != ~floorButtons_spc2_0~0;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; 54415#L983 __utac_acc__Specification2_spec__3_#t~ret43 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~0 := __utac_acc__Specification2_spec__3_#t~ret43;havoc __utac_acc__Specification2_spec__3_#t~ret43; 55214#L477 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0;~floorButtons_spc2_0~0 := 0; 52616#L532 cleanup_~i~3 := 0; 52617#L2415-2 [2021-08-27 15:34:54,195 INFO L793 eck$LassoCheckResult]: Loop: 52617#L2415-2 assume !false; 53835#L2416 cleanup_~__cil_tmp4~2 := ~cleanupTimeShifts~0 - 1; 53311#L2419 assume cleanup_~i~3 < cleanup_~__cil_tmp4~2;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~3;havoc isBlocked_~retValue_acc~3;isBlocked_~retValue_acc~3 := 0;isBlocked_#res := isBlocked_~retValue_acc~3; 53084#L797 cleanup_#t~ret162 := isBlocked_#res;cleanup_~tmp___0~11 := cleanup_#t~ret162;havoc cleanup_#t~ret162; 53014#L2423 assume 1 != cleanup_~tmp___0~11; 53015#L2423-1 havoc isIdle_#res;havoc isIdle_#t~ret62, isIdle_~retValue_acc~10, isIdle_~tmp~10;havoc isIdle_~retValue_acc~10;havoc isIdle_~tmp~10;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret57, anyStopRequested_#t~ret58, anyStopRequested_#t~ret59, anyStopRequested_#t~ret60, anyStopRequested_#t~ret61, anyStopRequested_~retValue_acc~9, anyStopRequested_~tmp~9, anyStopRequested_~tmp___0~3, anyStopRequested_~tmp___1~3, anyStopRequested_~tmp___2~1, anyStopRequested_~tmp___3~1;havoc anyStopRequested_~retValue_acc~9;havoc anyStopRequested_~tmp~9;havoc anyStopRequested_~tmp___0~3;havoc anyStopRequested_~tmp___1~3;havoc anyStopRequested_~tmp___2~1;havoc anyStopRequested_~tmp___3~1;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~22;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~22; 53655#L2707-25 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~22 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~22; 53802#L2734-25 anyStopRequested_#t~ret57 := isFloorCalling_#res;anyStopRequested_~tmp___3~1 := anyStopRequested_#t~ret57;havoc anyStopRequested_#t~ret57; 57377#L1082 assume 0 != anyStopRequested_~tmp___3~1;anyStopRequested_~retValue_acc~9 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~9; 56732#L1146 isIdle_#t~ret62 := anyStopRequested_#res;isIdle_~tmp~10 := isIdle_#t~ret62;havoc isIdle_#t~ret62;isIdle_~retValue_acc~10 := (if 0 == isIdle_~tmp~10 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~10; 56733#L1159 cleanup_#t~ret163 := isIdle_#res;cleanup_~tmp~25 := cleanup_#t~ret163;havoc cleanup_#t~ret163; 56724#L2435 assume !(0 != cleanup_~tmp~25);havoc timeShift_#t~ret96, timeShift_#t~ret97, timeShift_#t~ret98, timeShift_#t~ret99, timeShift_#t~ret100, timeShift_#t~ret101, timeShift_#t~ret102, timeShift_#t~ret103, timeShift_#t~ret104, timeShift_#t~ret105, timeShift_#t~ret106, timeShift_~tmp~17, timeShift_~tmp___0~9, timeShift_~tmp___1~6, timeShift_~tmp___2~4, timeShift_~tmp___3~4, timeShift_~tmp___4~3, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~17;havoc timeShift_~tmp___0~9;havoc timeShift_~tmp___1~6;havoc timeShift_~tmp___2~4;havoc timeShift_~tmp___3~4;havoc timeShift_~tmp___4~3;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret80, stopRequestedAtCurrentFloor_#t~ret81, stopRequestedAtCurrentFloor_#t~ret82, stopRequestedAtCurrentFloor_#t~ret83, stopRequestedAtCurrentFloor_~retValue_acc~15, stopRequestedAtCurrentFloor_~tmp~15, stopRequestedAtCurrentFloor_~tmp___0~7;havoc stopRequestedAtCurrentFloor_~retValue_acc~15;havoc stopRequestedAtCurrentFloor_~tmp~15;havoc stopRequestedAtCurrentFloor_~tmp___0~7;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~18;havoc isExecutiveFloorCalling_~retValue_acc~18;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~22;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~22; 56725#L2707-30 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~22 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~22; 55468#L2734-30 isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~18 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~18; 56712#L2258-3 stopRequestedAtCurrentFloor_#t~ret80 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~15 := stopRequestedAtCurrentFloor_#t~ret80;havoc stopRequestedAtCurrentFloor_#t~ret80; 56704#L1643-1 assume 0 != stopRequestedAtCurrentFloor_~tmp~15;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; 56701#L974-4 stopRequestedAtCurrentFloor_#t~ret81 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~7 := stopRequestedAtCurrentFloor_#t~ret81;havoc stopRequestedAtCurrentFloor_#t~ret81; 56702#L1647-1 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~7);stopRequestedAtCurrentFloor_~retValue_acc~15 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~15; 55121#L1660-1 timeShift_#t~ret96 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret96;havoc timeShift_#t~ret96; 61674#L1795-1 assume !(0 != timeShift_~tmp___9~2); 61672#L1886-3 assume !(1 == ~doorState~0); 61670#L1886-5 stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret74, stopRequestedInDirection_#t~ret75, stopRequestedInDirection_#t~ret76, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~12, stopRequestedInDirection_~tmp~12, stopRequestedInDirection_~tmp___0~5, stopRequestedInDirection_~__cil_tmp7~5, stopRequestedInDirection_~__cil_tmp8~5;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~12;havoc stopRequestedInDirection_~tmp~12;havoc stopRequestedInDirection_~tmp___0~5;havoc stopRequestedInDirection_~__cil_tmp7~5;havoc stopRequestedInDirection_~__cil_tmp8~5;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~18;havoc isExecutiveFloorCalling_~retValue_acc~18;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~22;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~22; 61667#L2707-33 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~22 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~22; 61666#L2734-33 isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~18 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~18; 61664#L2258-4 stopRequestedInDirection_#t~ret74 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~5 := stopRequestedInDirection_#t~ret74;havoc stopRequestedInDirection_#t~ret74; 61627#L1526-2 assume 0 != stopRequestedInDirection_~tmp___0~5;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; 61626#L974-5 stopRequestedInDirection_#t~ret75 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~12 := stopRequestedInDirection_#t~ret75;havoc stopRequestedInDirection_#t~ret75;stopRequestedInDirection_~__cil_tmp7~5 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5 := (if stopRequestedInDirection_~tmp~12 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~12 := (if stopRequestedInDirection_~__cil_tmp8~5 == stopRequestedInDirection_~__cil_tmp7~5 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~12; 61625#L1539-2 timeShift_#t~ret103 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret103;havoc timeShift_#t~ret103; 61623#L1894-1 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret77, continueInDirection_~dir, continueInDirection_~tmp~13;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~13;~currentHeading~0 := continueInDirection_~dir; 61624#L1583-3 assume !(1 == ~currentHeading~0); 54850#L1593-9 assume !(0 == ~currentFloorID~0); 54851#L1593-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 52785#L1599-11 havoc __utac_acc__Specification2_spec__3_#t~ret42, __utac_acc__Specification2_spec__3_#t~ret43, __utac_acc__Specification2_spec__3_#t~ret44, __utac_acc__Specification2_spec__3_#t~ret45, __utac_acc__Specification2_spec__3_#t~ret46, __utac_acc__Specification2_spec__3_#t~ret47, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~3, __utac_acc__Specification2_spec__3_~tmp___0~0, __utac_acc__Specification2_spec__3_~tmp___1~0, __utac_acc__Specification2_spec__3_~tmp___2~0, __utac_acc__Specification2_spec__3_~tmp___3~0, __utac_acc__Specification2_spec__3_~tmp___4~0;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~3;havoc __utac_acc__Specification2_spec__3_~tmp___0~0;havoc __utac_acc__Specification2_spec__3_~tmp___1~0;havoc __utac_acc__Specification2_spec__3_~tmp___2~0;havoc __utac_acc__Specification2_spec__3_~tmp___3~0;havoc __utac_acc__Specification2_spec__3_~tmp___4~0;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; 55308#L974-7 __utac_acc__Specification2_spec__3_#t~ret42 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~3 := __utac_acc__Specification2_spec__3_#t~ret42;havoc __utac_acc__Specification2_spec__3_#t~ret42;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~3; 54981#L472-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 54982#L473-1 assume 0 != ~floorButtons_spc2_0~0;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; 56687#L983-5 __utac_acc__Specification2_spec__3_#t~ret43 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~0 := __utac_acc__Specification2_spec__3_#t~ret43;havoc __utac_acc__Specification2_spec__3_#t~ret43; 56688#L477-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0;~floorButtons_spc2_0~0 := 0; 52515#L532-1 cleanup_~i~3 := 1 + cleanup_~i~3; 52617#L2415-2 [2021-08-27 15:34:54,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:34:54,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1955280990, now seen corresponding path program 3 times [2021-08-27 15:34:54,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:34:54,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934225546] [2021-08-27 15:34:54,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:34:54,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:34:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:34:54,229 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 15:34:54,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:34:54,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934225546] [2021-08-27 15:34:54,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934225546] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:34:54,230 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:34:54,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 15:34:54,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961129319] [2021-08-27 15:34:54,230 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:34:54,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:34:54,231 INFO L82 PathProgramCache]: Analyzing trace with hash -111876701, now seen corresponding path program 1 times [2021-08-27 15:34:54,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:34:54,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871239349] [2021-08-27 15:34:54,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:34:54,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:34:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:34:54,240 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:34:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:34:54,264 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:34:55,420 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:34:55,421 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:34:55,421 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:34:55,421 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:34:55,421 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 15:34:55,421 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:55,422 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:34:55,422 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:34:55,422 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product27.cil.c_Iteration3_Loop [2021-08-27 15:34:55,422 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:34:55,422 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:34:55,448 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 15:34:55,451 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 15:34:55,452 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 15:34:55,454 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 15:34:55,455 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 15:34:55,456 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 15:34:55,458 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 15:34:55,459 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 15:34:55,469 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 15:34:55,475 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 15:34:55,476 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 15:34:55,478 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 15:34:55,479 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 15:34:55,480 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 15:34:55,482 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 15:34:55,485 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 15:34:55,500 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 15:34:55,502 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 15:34:55,503 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 15:34:55,507 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 15:34:55,509 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 15:34:55,510 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 15:34:55,512 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 15:34:55,513 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 15:34:55,514 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 15:34:55,516 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 15:34:55,517 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 15:34:55,519 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 15:34:55,520 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 15:34:55,521 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 15:34:55,523 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 15:34:55,524 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 15:34:55,526 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 15:34:55,527 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 15:34:55,529 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 15:34:55,537 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 15:34:55,539 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 15:34:55,540 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 15:34:55,542 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 15:34:55,546 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 15:34:55,547 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 15:34:55,549 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 15:34:55,550 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 15:34:55,552 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 15:34:55,553 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 15:34:55,563 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 15:34:55,565 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 15:34:55,570 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 15:34:55,572 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 15:34:55,573 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 15:34:55,575 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 15:34:55,582 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 15:34:55,584 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 15:34:55,588 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 15:34:55,590 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 15:34:55,591 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 15:34:55,606 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 15:34:55,621 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 15:34:55,625 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 15:34:55,626 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 15:34:55,632 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 15:34:55,634 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 15:34:55,642 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 15:34:55,644 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 15:34:55,651 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 15:34:55,653 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 15:34:55,654 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 15:34:56,170 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:34:56,171 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 15:34:56,172 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:56,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:34:56,173 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 15:34:56,174 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 15:34:56,175 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:34:56,175 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:34:56,195 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:34:56,195 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_~tmp___7~2=0} Honda state: {ULTIMATE.start_timeShift_~tmp___7~2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:34:56,211 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 15:34:56,211 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:56,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:34:56,212 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 15:34:56,231 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:34:56,231 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:34:56,239 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 15:34:56,248 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:34:56,249 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_#t~ret101=0} Honda state: {ULTIMATE.start_timeShift_#t~ret101=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:34:56,266 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 15:34:56,266 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:56,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:34:56,267 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 15:34:56,268 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 15:34:56,269 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:34:56,269 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:34:56,290 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:34:56,290 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_#t~ret103=0} Honda state: {ULTIMATE.start_timeShift_#t~ret103=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:34:56,307 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 15:34:56,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:56,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:34:56,308 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 15:34:56,309 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 15:34:56,311 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:34:56,311 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:34:56,331 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:34:56,331 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_stopRequestedInDirection_#t~ret74=0} Honda state: {ULTIMATE.start_stopRequestedInDirection_#t~ret74=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:34:56,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-27 15:34:56,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:56,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:34:56,350 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 15:34:56,351 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 15:34:56,352 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:34:56,352 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:34:56,373 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:34:56,373 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_#t~ret97=0} Honda state: {ULTIMATE.start_timeShift_#t~ret97=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:34:56,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-08-27 15:34:56,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:56,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:34:56,391 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 15:34:56,392 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 15:34:56,394 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:34:56,394 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:34:56,429 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:34:56,429 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_#t~ret60=0} Honda state: {ULTIMATE.start_anyStopRequested_#t~ret60=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:34:56,446 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 15:34:56,446 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:56,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:34:56,447 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 15:34:56,448 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 15:34:56,450 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:34:56,450 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:34:56,471 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:34:56,471 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___0~0=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___0~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:34:56,501 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 15:34:56,501 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:56,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:34:56,502 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 15:34:56,503 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 15:34:56,504 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:34:56,504 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:34:56,511 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:34:56,511 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_~tmp___1~6=0} Honda state: {ULTIMATE.start_timeShift_~tmp___1~6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:34:56,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-08-27 15:34:56,545 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:56,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:34:56,552 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 15:34:56,605 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 15:34:56,605 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:34:56,605 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:34:56,639 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 15:34:56,640 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:56,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:34:56,653 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 15:34:56,684 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 15:34:56,686 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 15:34:56,686 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:34:57,174 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 15:34:57,177 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 15:34:57,178 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:34:57,178 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:34:57,178 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:34:57,178 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:34:57,178 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:34:57,178 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:57,178 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:34:57,178 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:34:57,178 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product27.cil.c_Iteration3_Loop [2021-08-27 15:34:57,178 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:34:57,178 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:34:57,181 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 15:34:57,192 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 15:34:57,193 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 15:34:57,195 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 15:34:57,196 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 15:34:57,198 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 15:34:57,199 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 15:34:57,201 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 15:34:57,203 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 15:34:57,205 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 15:34:57,210 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 15:34:57,211 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 15:34:57,213 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 15:34:57,218 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 15:34:57,219 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 15:34:57,223 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 15:34:57,224 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 15:34:57,227 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 15:34:57,228 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 15:34:57,230 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 15:34:57,232 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 15:34:57,233 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 15:34:57,235 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 15:34:57,236 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 15:34:57,237 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 15:34:57,239 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 15:34:57,243 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 15:34:57,245 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 15:34:57,246 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 15:34:57,247 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 15:34:57,249 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 15:34:57,250 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 15:34:57,252 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 15:34:57,253 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 15:34:57,254 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 15:34:57,256 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 15:34:57,257 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 15:34:57,262 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 15:34:57,272 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 15:34:57,273 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 15:34:57,275 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 15:34:57,279 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 15:34:57,281 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 15:34:57,285 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 15:34:57,286 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 15:34:57,288 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 15:34:57,289 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 15:34:57,291 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 15:34:57,292 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 15:34:57,294 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 15:34:57,295 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 15:34:57,298 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 15:34:57,300 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 15:34:57,301 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 15:34:57,308 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 15:34:57,309 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 15:34:57,320 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 15:34:57,321 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 15:34:57,323 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 15:34:57,324 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 15:34:57,326 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 15:34:57,334 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 15:34:57,344 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 15:34:57,356 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 15:34:57,358 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 15:34:57,359 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 15:34:57,361 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 15:34:57,969 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:34:57,972 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:34:57,973 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:57,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:34:57,989 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 15:34:58,030 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 15:34:58,031 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 15:34:58,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:34:58,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:34:58,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:34:58,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:34:58,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:34:58,039 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:34:58,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:34:58,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:34:58,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-08-27 15:34:58,083 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:58,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:34:58,084 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 15:34:58,085 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 15:34:58,086 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 15:34:58,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:34:58,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:34:58,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:34:58,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:34:58,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:34:58,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:34:58,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:34:58,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:34:58,127 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 15:34:58,127 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:58,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:34:58,128 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 15:34:58,129 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 15:34:58,130 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 15:34:58,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:34:58,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:34:58,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:34:58,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:34:58,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:34:58,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:34:58,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:34:58,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:34:58,168 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 15:34:58,169 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:58,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:34:58,170 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 15:34:58,171 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 15:34:58,172 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 15:34:58,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:34:58,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:34:58,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:34:58,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:34:58,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:34:58,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:34:58,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:34:58,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:34:58,231 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 15:34:58,231 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:58,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:34:58,242 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 15:34:58,244 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 15:34:58,245 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 15:34:58,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:34:58,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:34:58,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:34:58,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:34:58,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:34:58,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:34:58,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:34:58,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:34:58,277 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 15:34:58,277 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:58,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:34:58,278 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 15:34:58,279 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 15:34:58,280 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 15:34:58,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:34:58,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:34:58,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:34:58,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:34:58,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:34:58,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:34:58,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:34:58,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:34:58,317 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 15:34:58,318 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:58,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:34:58,318 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 15:34:58,319 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 15:34:58,320 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 15:34:58,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:34:58,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:34:58,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:34:58,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:34:58,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:34:58,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:34:58,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:34:58,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:34:58,358 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 15:34:58,358 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:58,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:34:58,359 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 15:34:58,360 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 15:34:58,361 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 15:34:58,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:34:58,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:34:58,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:34:58,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:34:58,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:34:58,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:34:58,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:34:58,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:34:58,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-08-27 15:34:58,404 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:58,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:34:58,404 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 15:34:58,406 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 15:34:58,408 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 15:34:58,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:34:58,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:34:58,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:34:58,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:34:58,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:34:58,414 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:34:58,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:34:58,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:34:58,431 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 15:34:58,431 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:58,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:34:58,432 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 15:34:58,435 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 15:34:58,442 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 15:34:58,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:34:58,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:34:58,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:34:58,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:34:58,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:34:58,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:34:58,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:34:58,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:34:58,481 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 15:34:58,482 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:58,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:34:58,482 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 15:34:58,486 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 15:34:58,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:34:58,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:34:58,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:34:58,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:34:58,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:34:58,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:34:58,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:34:58,507 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 15:34:58,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:34:58,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-08-27 15:34:58,548 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:58,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:34:58,550 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 15:34:58,551 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 15:34:58,552 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 15:34:58,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:34:58,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:34:58,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:34:58,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:34:58,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:34:58,560 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:34:58,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:34:58,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:34:58,589 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 15:34:58,590 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:58,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:34:58,590 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 15:34:58,591 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 15:34:58,592 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 15:34:58,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:34:58,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:34:58,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:34:58,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:34:58,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:34:58,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:34:58,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:34:58,621 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:34:58,657 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 15:34:58,657 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 15:34:58,658 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:34:58,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:34:58,684 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 15:34:58,737 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:34:58,737 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 15:34:58,737 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:34:58,737 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~cleanupTimeShifts~0, ULTIMATE.start_cleanup_~i~3) = 1*~cleanupTimeShifts~0 - 1*ULTIMATE.start_cleanup_~i~3 Supporting invariants [] [2021-08-27 15:34:58,741 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 15:34:58,780 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 15:34:58,782 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 15:34:58,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:34:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:34:58,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:34:58,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:34:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:34:59,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 15:34:59,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:34:59,245 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 15:34:59,248 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 15:34:59,249 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9366 states and 17434 transitions. cyclomatic complexity: 8070 Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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 15:34:59,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-08-27 15:34:59,445 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9366 states and 17434 transitions. cyclomatic complexity: 8070. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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 14189 states and 26387 transitions. Complement of second has 8 states. [2021-08-27 15:34:59,445 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 15:34:59,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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 15:34:59,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4862 transitions. [2021-08-27 15:34:59,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4862 transitions. Stem has 41 letters. Loop has 39 letters. [2021-08-27 15:34:59,451 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:34:59,451 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4862 transitions. Stem has 80 letters. Loop has 39 letters. [2021-08-27 15:34:59,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:34:59,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4862 transitions. Stem has 41 letters. Loop has 78 letters. [2021-08-27 15:34:59,453 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:34:59,453 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14189 states and 26387 transitions. [2021-08-27 15:34:59,498 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:34:59,499 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14189 states to 0 states and 0 transitions. [2021-08-27 15:34:59,499 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 15:34:59,499 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 15:34:59,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 15:34:59,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:34:59,499 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:34:59,499 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:34:59,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:34:59,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 15:34:59,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 15:34:59,500 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 15:34:59,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:34:59,500 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-08-27 15:34:59,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-27 15:34:59,500 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-08-27 15:34:59,500 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:34:59,500 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-08-27 15:34:59,501 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 15:34:59,501 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 15:34:59,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 15:34:59,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:34:59,501 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:34:59,501 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:34:59,501 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:34:59,501 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 15:34:59,501 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 15:34:59,501 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:34:59,501 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 15:34:59,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 03:34:59 BoogieIcfgContainer [2021-08-27 15:34:59,505 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 15:34:59,505 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 15:34:59,505 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 15:34:59,506 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 15:34:59,506 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:34:49" (3/4) ... [2021-08-27 15:34:59,507 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 15:34:59,507 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 15:34:59,508 INFO L168 Benchmark]: Toolchain (without parser) took 14452.24 ms. Allocated memory was 81.8 MB in the beginning and 698.4 MB in the end (delta: 616.6 MB). Free memory was 65.0 MB in the beginning and 373.6 MB in the end (delta: -308.6 MB). Peak memory consumption was 308.7 MB. Max. memory is 16.1 GB. [2021-08-27 15:34:59,509 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 81.8 MB. Free memory was 64.3 MB in the beginning and 64.2 MB in the end (delta: 72.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:34:59,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.62 ms. Allocated memory is still 81.8 MB. Free memory was 64.8 MB in the beginning and 39.1 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. [2021-08-27 15:34:59,509 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.10 ms. Allocated memory is still 81.8 MB. Free memory was 39.1 MB in the beginning and 37.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-08-27 15:34:59,510 INFO L168 Benchmark]: Boogie Preprocessor took 163.86 ms. Allocated memory was 81.8 MB in the beginning and 119.5 MB in the end (delta: 37.7 MB). Free memory was 37.9 MB in the beginning and 71.5 MB in the end (delta: -33.6 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2021-08-27 15:34:59,510 INFO L168 Benchmark]: RCFGBuilder took 3106.47 ms. Allocated memory was 119.5 MB in the beginning and 283.1 MB in the end (delta: 163.6 MB). Free memory was 71.5 MB in the beginning and 91.3 MB in the end (delta: -19.8 MB). Peak memory consumption was 144.2 MB. Max. memory is 16.1 GB. [2021-08-27 15:34:59,510 INFO L168 Benchmark]: BuchiAutomizer took 10421.11 ms. Allocated memory was 283.1 MB in the beginning and 698.4 MB in the end (delta: 415.2 MB). Free memory was 91.3 MB in the beginning and 373.6 MB in the end (delta: -282.3 MB). Peak memory consumption was 132.9 MB. Max. memory is 16.1 GB. [2021-08-27 15:34:59,511 INFO L168 Benchmark]: Witness Printer took 2.13 ms. Allocated memory is still 698.4 MB. Free memory is still 373.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:34:59,512 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 81.8 MB. Free memory was 64.3 MB in the beginning and 64.2 MB in the end (delta: 72.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 588.62 ms. Allocated memory is still 81.8 MB. Free memory was 64.8 MB in the beginning and 39.1 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 165.10 ms. Allocated memory is still 81.8 MB. Free memory was 39.1 MB in the beginning and 37.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 163.86 ms. Allocated memory was 81.8 MB in the beginning and 119.5 MB in the end (delta: 37.7 MB). Free memory was 37.9 MB in the beginning and 71.5 MB in the end (delta: -33.6 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3106.47 ms. Allocated memory was 119.5 MB in the beginning and 283.1 MB in the end (delta: 163.6 MB). Free memory was 71.5 MB in the beginning and 91.3 MB in the end (delta: -19.8 MB). Peak memory consumption was 144.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 10421.11 ms. Allocated memory was 283.1 MB in the beginning and 698.4 MB in the end (delta: 415.2 MB). Free memory was 91.3 MB in the beginning and 373.6 MB in the end (delta: -282.3 MB). Peak memory consumption was 132.9 MB. Max. memory is 16.1 GB. * Witness Printer took 2.13 ms. Allocated memory is still 698.4 MB. Free memory is still 373.6 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 -1 * i + cleanupTimeShifts 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 10.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.0s. Construction of modules took 2.1s. Büchi inclusion checks took 2.0s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 326.4ms AutomataMinimizationTime, 2 MinimizatonAttempts, 25362 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.4s Buchi closure took 0.0s. Biggest automaton had 9366 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19272 SDtfs, 80750 SDslu, 57594 SDs, 0 SdLazy, 2577 SolverSat, 691 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2152.5ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI2 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital181 mio100 ax100 hnf100 lsp15 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq221 hnf87 smp100 dnf203 smp87 tf102 neg97 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 92ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-08-27 15:34:59,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...