./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec2_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf 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_product03.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 e093d9bdc9615a46eb26e01fd648ba0724183a32 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 03:10:31,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 03:10:31,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 03:10:31,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 03:10:31,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 03:10:31,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 03:10:31,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 03:10:31,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 03:10:31,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 03:10:31,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 03:10:31,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 03:10:31,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 03:10:31,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 03:10:31,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 03:10:31,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 03:10:31,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 03:10:31,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 03:10:31,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 03:10:31,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 03:10:31,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 03:10:31,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 03:10:31,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 03:10:31,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 03:10:31,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 03:10:31,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 03:10:31,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 03:10:31,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 03:10:31,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 03:10:31,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 03:10:31,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 03:10:31,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 03:10:31,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 03:10:31,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 03:10:31,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 03:10:31,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 03:10:31,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 03:10:31,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 03:10:31,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 03:10:31,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 03:10:31,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 03:10:31,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 03:10:31,887 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 03:10:31,919 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 03:10:31,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 03:10:31,920 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 03:10:31,921 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 03:10:31,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 03:10:31,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 03:10:31,922 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 03:10:31,922 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 03:10:31,922 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 03:10:31,923 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 03:10:31,923 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 03:10:31,923 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 03:10:31,923 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 03:10:31,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 03:10:31,924 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 03:10:31,924 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 03:10:31,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 03:10:31,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 03:10:31,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 03:10:31,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 03:10:31,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 03:10:31,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 03:10:31,925 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 03:10:31,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 03:10:31,925 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 03:10:31,925 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 03:10:31,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 03:10:31,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 03:10:31,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 03:10:31,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 03:10:31,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 03:10:31,926 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 03:10:31,927 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 03:10:31,927 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e093d9bdc9615a46eb26e01fd648ba0724183a32 [2021-08-31 03:10:32,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 03:10:32,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 03:10:32,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 03:10:32,162 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 03:10:32,163 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 03:10:32,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec2_product03.cil.c [2021-08-31 03:10:32,217 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1a3cbde2/b2b5af614146484f861fe16ad333dbd8/FLAG227488516 [2021-08-31 03:10:32,633 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 03:10:32,634 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec2_product03.cil.c [2021-08-31 03:10:32,651 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1a3cbde2/b2b5af614146484f861fe16ad333dbd8/FLAG227488516 [2021-08-31 03:10:32,973 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1a3cbde2/b2b5af614146484f861fe16ad333dbd8 [2021-08-31 03:10:32,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 03:10:32,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 03:10:32,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 03:10:32,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 03:10:32,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 03:10:32,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:10:32" (1/1) ... [2021-08-31 03:10:32,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65a0f6ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:10:32, skipping insertion in model container [2021-08-31 03:10:32,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:10:32" (1/1) ... [2021-08-31 03:10:32,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 03:10:33,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 03:10:33,217 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_product03.cil.c[29504,29517] [2021-08-31 03:10:33,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:10:33,347 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 03:10:33,396 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_product03.cil.c[29504,29517] [2021-08-31 03:10:33,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:10:33,476 INFO L208 MainTranslator]: Completed translation [2021-08-31 03:10:33,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:10:33 WrapperNode [2021-08-31 03:10:33,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 03:10:33,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 03:10:33,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 03:10:33,478 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 03:10:33,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:10:33" (1/1) ... [2021-08-31 03:10:33,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:10:33" (1/1) ... [2021-08-31 03:10:33,606 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 03:10:33,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 03:10:33,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 03:10:33,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 03:10:33,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:10:33" (1/1) ... [2021-08-31 03:10:33,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:10:33" (1/1) ... [2021-08-31 03:10:33,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:10:33" (1/1) ... [2021-08-31 03:10:33,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:10:33" (1/1) ... [2021-08-31 03:10:33,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:10:33" (1/1) ... [2021-08-31 03:10:33,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:10:33" (1/1) ... [2021-08-31 03:10:33,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:10:33" (1/1) ... [2021-08-31 03:10:33,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 03:10:33,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 03:10:33,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 03:10:33,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 03:10:33,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:10:33" (1/1) ... [2021-08-31 03:10:33,786 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:10:33,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:10:33,802 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) [2021-08-31 03:10:33,827 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 [2021-08-31 03:10:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 03:10:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 03:10:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 03:10:33,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 03:10:34,731 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 03:10:34,732 INFO L299 CfgBuilder]: Removed 517 assume(true) statements. [2021-08-31 03:10:34,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:10:34 BoogieIcfgContainer [2021-08-31 03:10:34,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 03:10:34,737 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 03:10:34,737 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 03:10:34,738 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 03:10:34,739 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:10:34,739 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 03:10:32" (1/3) ... [2021-08-31 03:10:34,740 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64da42a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:10:34, skipping insertion in model container [2021-08-31 03:10:34,740 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:10:34,740 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:10:33" (2/3) ... [2021-08-31 03:10:34,740 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64da42a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:10:34, skipping insertion in model container [2021-08-31 03:10:34,740 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:10:34,740 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:10:34" (3/3) ... [2021-08-31 03:10:34,741 INFO L389 chiAutomizerObserver]: Analyzing ICFG elevator_spec2_product03.cil.c [2021-08-31 03:10:34,791 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 03:10:34,791 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 03:10:34,791 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 03:10:34,791 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 03:10:34,791 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 03:10:34,791 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 03:10:34,791 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 03:10:34,791 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 03:10:34,828 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 2299 states, 2298 states have (on average 1.8964316797214968) internal successors, (4358), 2298 states have internal predecessors, (4358), 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) [2021-08-31 03:10:34,903 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1139 [2021-08-31 03:10:34,903 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:10:34,903 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:10:34,914 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] [2021-08-31 03:10:34,914 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] [2021-08-31 03:10:34,914 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 03:10:34,918 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 2299 states, 2298 states have (on average 1.8964316797214968) internal successors, (4358), 2298 states have internal predecessors, (4358), 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) [2021-08-31 03:10:34,935 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1139 [2021-08-31 03:10:34,936 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:10:34,936 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:10:34,939 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] [2021-08-31 03:10:34,939 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] [2021-08-31 03:10:34,948 INFO L791 eck$LassoCheckResult]: Stem: 556#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);~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;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 12;~executiveFloor~0 := 4;~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;~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; 2167#L-1true havoc main_#res;havoc main_#t~ret56, main_~retValue_acc~12, main_~tmp~11;havoc main_~retValue_acc~12;havoc main_~tmp~11; 2290#L1244true havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 2121#L1252true main_#t~ret56 := valid_product_#res;main_~tmp~11 := main_#t~ret56;havoc main_#t~ret56; 685#L1601true assume 0 != main_~tmp~11; 753#L1574true ~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; 1052#L3138true havoc bigMacCall_#t~ret49, bigMacCall_~tmp~8;havoc bigMacCall_~tmp~8;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~4;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~4; 598#L755true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~4 := 4;getOrigin_#res := getOrigin_~retValue_acc~4; 146#L780true bigMacCall_#t~ret49 := getOrigin_#res;bigMacCall_~tmp~8 := bigMacCall_#t~ret49;havoc bigMacCall_#t~ret49;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~8;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 308#L401true assume 0 == initPersonOnFloor_~floor; 1776#L402true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 2215#L509-1true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 758#L193true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 115#L205-2true havoc cleanup_#t~ret50, cleanup_#t~ret51, cleanup_~i~0, cleanup_~tmp~9, cleanup_~tmp___0~0, cleanup_~__cil_tmp4~2;havoc cleanup_~i~0;havoc cleanup_~tmp~9;havoc cleanup_~tmp___0~0;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~20, timeShift_~tmp___0~8, timeShift_~tmp___1~4, timeShift_~tmp___2~4, timeShift_~tmp___3~3, timeShift_~tmp___4~2, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~20;havoc timeShift_~tmp___0~8;havoc timeShift_~tmp___1~4;havoc timeShift_~tmp___2~4;havoc timeShift_~tmp___3~3;havoc timeShift_~tmp___4~2;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~25, stopRequestedAtCurrentFloor_~tmp~18, stopRequestedAtCurrentFloor_~tmp___0~6;havoc stopRequestedAtCurrentFloor_~retValue_acc~25;havoc stopRequestedAtCurrentFloor_~tmp~18;havoc stopRequestedAtCurrentFloor_~tmp___0~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~28;havoc isExecutiveFloorCalling_~retValue_acc~28;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 1184#L130true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 1707#L157true isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~28 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~28; 2012#L3110true stopRequestedAtCurrentFloor_#t~ret80 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~18 := stopRequestedAtCurrentFloor_#t~ret80;havoc stopRequestedAtCurrentFloor_#t~ret80; 1501#L2494true assume 0 != stopRequestedAtCurrentFloor_~tmp~18;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~14;havoc getCurrentFloorID_~retValue_acc~14;getCurrentFloorID_~retValue_acc~14 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~14; 1526#L1825true stopRequestedAtCurrentFloor_#t~ret81 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~6 := stopRequestedAtCurrentFloor_#t~ret81;havoc stopRequestedAtCurrentFloor_#t~ret81; 1901#L2498true assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~6);stopRequestedAtCurrentFloor_~retValue_acc~25 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~25; 278#L2511true timeShift_#t~ret96 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret96;havoc timeShift_#t~ret96; 1122#L2647true assume !(0 != timeShift_~tmp___9~2); 650#L2738true assume !(1 == ~doorState~0); 2007#L2738-2true 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~22, stopRequestedInDirection_~tmp~15, stopRequestedInDirection_~tmp___0~4, 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~22;havoc stopRequestedInDirection_~tmp~15;havoc stopRequestedInDirection_~tmp___0~4;havoc stopRequestedInDirection_~__cil_tmp7~5;havoc stopRequestedInDirection_~__cil_tmp8~5;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~28;havoc isExecutiveFloorCalling_~retValue_acc~28;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 1840#L130-3true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 419#L157-3true isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~28 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~28; 793#L3110-1true stopRequestedInDirection_#t~ret74 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~4 := stopRequestedInDirection_#t~ret74;havoc stopRequestedInDirection_#t~ret74; 2061#L2377true assume 0 != stopRequestedInDirection_~tmp___0~4;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~14;havoc getCurrentFloorID_~retValue_acc~14;getCurrentFloorID_~retValue_acc~14 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~14; 1293#L1825-1true stopRequestedInDirection_#t~ret75 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~15 := 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~15 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~22 := (if stopRequestedInDirection_~__cil_tmp8~5 == stopRequestedInDirection_~__cil_tmp7~5 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~22; 1912#L2390true timeShift_#t~ret103 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret103;havoc timeShift_#t~ret103; 2056#L2746true assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret77, continueInDirection_~dir, continueInDirection_~tmp~16;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~16;~currentHeading~0 := continueInDirection_~dir; 1802#L2434true assume !(1 == ~currentHeading~0); 1997#L2444true assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 1846#L2444-2true assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 1907#L2450-5true havoc __utac_acc__Specification2_spec__3_#t~ret155, __utac_acc__Specification2_spec__3_#t~ret156, __utac_acc__Specification2_spec__3_#t~ret157, __utac_acc__Specification2_spec__3_#t~ret158, __utac_acc__Specification2_spec__3_#t~ret159, __utac_acc__Specification2_spec__3_#t~ret160, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~22, __utac_acc__Specification2_spec__3_~tmp___0~10, __utac_acc__Specification2_spec__3_~tmp___1~6, __utac_acc__Specification2_spec__3_~tmp___2~6, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~22;havoc __utac_acc__Specification2_spec__3_~tmp___0~10;havoc __utac_acc__Specification2_spec__3_~tmp___1~6;havoc __utac_acc__Specification2_spec__3_~tmp___2~6;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~14;havoc getCurrentFloorID_~retValue_acc~14;getCurrentFloorID_~retValue_acc~14 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~14; 1151#L1825-3true __utac_acc__Specification2_spec__3_#t~ret155 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~22 := __utac_acc__Specification2_spec__3_#t~ret155;havoc __utac_acc__Specification2_spec__3_#t~ret155;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~22; 1547#L3183true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 2118#L3184true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~15;havoc areDoorsOpen_~retValue_acc~15;areDoorsOpen_~retValue_acc~15 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~15; 1998#L1834true __utac_acc__Specification2_spec__3_#t~ret156 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret156;havoc __utac_acc__Specification2_spec__3_#t~ret156; 524#L3188true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 2227#L3243true cleanup_~i~0 := 0; 1569#L1404-2true [2021-08-31 03:10:34,954 INFO L793 eck$LassoCheckResult]: Loop: 1569#L1404-2true assume !false; 1585#L1405true cleanup_~__cil_tmp4~2 := ~cleanupTimeShifts~0 - 1; 840#L1408true assume cleanup_~i~0 < cleanup_~__cil_tmp4~2;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~13;havoc isBlocked_~retValue_acc~13;isBlocked_~retValue_acc~13 := 0;isBlocked_#res := isBlocked_~retValue_acc~13; 1270#L1691true cleanup_#t~ret50 := isBlocked_#res;cleanup_~tmp___0~0 := cleanup_#t~ret50;havoc cleanup_#t~ret50; 345#L1412true assume 1 != cleanup_~tmp___0~0; 2065#L1412-1true havoc isIdle_#res;havoc isIdle_#t~ret62, isIdle_~retValue_acc~20, isIdle_~tmp~13;havoc isIdle_~retValue_acc~20;havoc isIdle_~tmp~13;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret57, anyStopRequested_#t~ret58, anyStopRequested_#t~ret59, anyStopRequested_#t~ret60, anyStopRequested_#t~ret61, anyStopRequested_~retValue_acc~19, anyStopRequested_~tmp~12, anyStopRequested_~tmp___0~2, anyStopRequested_~tmp___1~1, anyStopRequested_~tmp___2~1, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~19;havoc anyStopRequested_~tmp~12;havoc anyStopRequested_~tmp___0~2;havoc anyStopRequested_~tmp___1~1;havoc anyStopRequested_~tmp___2~1;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 1252#L130-25true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 2168#L157-25true anyStopRequested_#t~ret57 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret57;havoc anyStopRequested_#t~ret57; 646#L1933true assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~19 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~19; 713#L1997true isIdle_#t~ret62 := anyStopRequested_#res;isIdle_~tmp~13 := isIdle_#t~ret62;havoc isIdle_#t~ret62;isIdle_~retValue_acc~20 := (if 0 == isIdle_~tmp~13 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~20; 1891#L2010true cleanup_#t~ret51 := isIdle_#res;cleanup_~tmp~9 := cleanup_#t~ret51;havoc cleanup_#t~ret51; 1231#L1424true assume !(0 != cleanup_~tmp~9);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~20, timeShift_~tmp___0~8, timeShift_~tmp___1~4, timeShift_~tmp___2~4, timeShift_~tmp___3~3, timeShift_~tmp___4~2, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~20;havoc timeShift_~tmp___0~8;havoc timeShift_~tmp___1~4;havoc timeShift_~tmp___2~4;havoc timeShift_~tmp___3~3;havoc timeShift_~tmp___4~2;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~25, stopRequestedAtCurrentFloor_~tmp~18, stopRequestedAtCurrentFloor_~tmp___0~6;havoc stopRequestedAtCurrentFloor_~retValue_acc~25;havoc stopRequestedAtCurrentFloor_~tmp~18;havoc stopRequestedAtCurrentFloor_~tmp___0~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~28;havoc isExecutiveFloorCalling_~retValue_acc~28;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 1515#L130-30true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 457#L157-30true isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~28 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~28; 56#L3110-3true stopRequestedAtCurrentFloor_#t~ret80 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~18 := stopRequestedAtCurrentFloor_#t~ret80;havoc stopRequestedAtCurrentFloor_#t~ret80; 1988#L2494-1true assume 0 != stopRequestedAtCurrentFloor_~tmp~18;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~14;havoc getCurrentFloorID_~retValue_acc~14;getCurrentFloorID_~retValue_acc~14 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~14; 2107#L1825-4true stopRequestedAtCurrentFloor_#t~ret81 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~6 := stopRequestedAtCurrentFloor_#t~ret81;havoc stopRequestedAtCurrentFloor_#t~ret81; 2261#L2498-1true assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~6);stopRequestedAtCurrentFloor_~retValue_acc~25 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~25; 2172#L2511-1true timeShift_#t~ret96 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret96;havoc timeShift_#t~ret96; 1311#L2647-1true assume !(0 != timeShift_~tmp___9~2); 978#L2738-3true assume 1 == ~doorState~0;~doorState~0 := 0; 1188#L2738-5true 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~22, stopRequestedInDirection_~tmp~15, stopRequestedInDirection_~tmp___0~4, 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~22;havoc stopRequestedInDirection_~tmp~15;havoc stopRequestedInDirection_~tmp___0~4;havoc stopRequestedInDirection_~__cil_tmp7~5;havoc stopRequestedInDirection_~__cil_tmp8~5;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~28;havoc isExecutiveFloorCalling_~retValue_acc~28;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 921#L130-33true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 707#L157-33true isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~28 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~28; 1228#L3110-4true stopRequestedInDirection_#t~ret74 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~4 := stopRequestedInDirection_#t~ret74;havoc stopRequestedInDirection_#t~ret74; 194#L2377-2true assume 0 != stopRequestedInDirection_~tmp___0~4;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~14;havoc getCurrentFloorID_~retValue_acc~14;getCurrentFloorID_~retValue_acc~14 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~14; 2153#L1825-5true stopRequestedInDirection_#t~ret75 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~15 := 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~15 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~22 := (if stopRequestedInDirection_~__cil_tmp8~5 == stopRequestedInDirection_~__cil_tmp7~5 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~22; 2163#L2390-2true timeShift_#t~ret103 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret103;havoc timeShift_#t~ret103; 1373#L2746-1true assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret77, continueInDirection_~dir, continueInDirection_~tmp~16;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~16;~currentHeading~0 := continueInDirection_~dir; 1013#L2434-3true assume !(1 == ~currentHeading~0); 250#L2444-9true assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 2149#L2444-11true assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 558#L2450-11true havoc __utac_acc__Specification2_spec__3_#t~ret155, __utac_acc__Specification2_spec__3_#t~ret156, __utac_acc__Specification2_spec__3_#t~ret157, __utac_acc__Specification2_spec__3_#t~ret158, __utac_acc__Specification2_spec__3_#t~ret159, __utac_acc__Specification2_spec__3_#t~ret160, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~22, __utac_acc__Specification2_spec__3_~tmp___0~10, __utac_acc__Specification2_spec__3_~tmp___1~6, __utac_acc__Specification2_spec__3_~tmp___2~6, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~22;havoc __utac_acc__Specification2_spec__3_~tmp___0~10;havoc __utac_acc__Specification2_spec__3_~tmp___1~6;havoc __utac_acc__Specification2_spec__3_~tmp___2~6;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~14;havoc getCurrentFloorID_~retValue_acc~14;getCurrentFloorID_~retValue_acc~14 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~14; 311#L1825-7true __utac_acc__Specification2_spec__3_#t~ret155 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~22 := __utac_acc__Specification2_spec__3_#t~ret155;havoc __utac_acc__Specification2_spec__3_#t~ret155;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~22; 1677#L3183-1true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 1658#L3184-1true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~15;havoc areDoorsOpen_~retValue_acc~15;areDoorsOpen_~retValue_acc~15 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~15; 1181#L1834-5true __utac_acc__Specification2_spec__3_#t~ret156 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret156;havoc __utac_acc__Specification2_spec__3_#t~ret156; 1957#L3188-2true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 1445#L3243-1true cleanup_~i~0 := 1 + cleanup_~i~0; 1569#L1404-2true [2021-08-31 03:10:34,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:10:34,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1864003676, now seen corresponding path program 1 times [2021-08-31 03:10:34,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:10:34,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963053419] [2021-08-31 03:10:34,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:10:34,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:10:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:10:35,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 03:10:35,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:10:35,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963053419] [2021-08-31 03:10:35,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963053419] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:10:35,274 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:10:35,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:10:35,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187884062] [2021-08-31 03:10:35,278 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 03:10:35,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:10:35,279 INFO L82 PathProgramCache]: Analyzing trace with hash -878560617, now seen corresponding path program 1 times [2021-08-31 03:10:35,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:10:35,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028799966] [2021-08-31 03:10:35,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:10:35,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:10:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:10:35,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 03:10:35,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:10:35,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028799966] [2021-08-31 03:10:35,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028799966] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:10:35,333 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:10:35,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-31 03:10:35,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19641750] [2021-08-31 03:10:35,334 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 03:10:35,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:10:35,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-31 03:10:35,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-31 03:10:35,357 INFO L87 Difference]: Start difference. First operand has 2299 states, 2298 states have (on average 1.8964316797214968) internal successors, (4358), 2298 states have internal predecessors, (4358), 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) [2021-08-31 03:10:55,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:10:55,299 INFO L93 Difference]: Finished difference Result 17411 states and 32748 transitions. [2021-08-31 03:10:55,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-31 03:10:55,303 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17411 states and 32748 transitions. [2021-08-31 03:10:55,403 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8332 [2021-08-31 03:10:55,487 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17411 states to 17271 states and 32592 transitions. [2021-08-31 03:10:55,488 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17271 [2021-08-31 03:10:55,505 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17271 [2021-08-31 03:10:55,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17271 states and 32592 transitions. [2021-08-31 03:10:55,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:10:55,532 INFO L681 BuchiCegarLoop]: Abstraction has 17271 states and 32592 transitions. [2021-08-31 03:10:55,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17271 states and 32592 transitions. [2021-08-31 03:10:55,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17271 to 6553. [2021-08-31 03:10:55,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6553 states, 6553 states have (on average 1.8896688539600184) internal successors, (12383), 6552 states have internal predecessors, (12383), 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) [2021-08-31 03:10:55,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6553 states to 6553 states and 12383 transitions. [2021-08-31 03:10:55,694 INFO L704 BuchiCegarLoop]: Abstraction has 6553 states and 12383 transitions. [2021-08-31 03:10:55,694 INFO L587 BuchiCegarLoop]: Abstraction has 6553 states and 12383 transitions. [2021-08-31 03:10:55,694 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 03:10:55,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6553 states and 12383 transitions. [2021-08-31 03:10:55,709 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3329 [2021-08-31 03:10:55,710 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:10:55,710 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:10:55,711 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] [2021-08-31 03:10:55,712 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] [2021-08-31 03:10:55,712 INFO L791 eck$LassoCheckResult]: Stem: 20831#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);~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;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 12;~executiveFloor~0 := 4;~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;~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; 20832#L-1 havoc main_#res;havoc main_#t~ret56, main_~retValue_acc~12, main_~tmp~11;havoc main_~retValue_acc~12;havoc main_~tmp~11; 22131#L1244 havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 22114#L1252 main_#t~ret56 := valid_product_#res;main_~tmp~11 := main_#t~ret56;havoc main_#t~ret56; 21016#L1601 assume 0 != main_~tmp~11; 21017#L1574 ~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; 21107#L3138 havoc bigMacCall_#t~ret49, bigMacCall_~tmp~8;havoc bigMacCall_~tmp~8;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~4;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~4; 20889#L755 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~4 := 4;getOrigin_#res := getOrigin_~retValue_acc~4; 20095#L780 bigMacCall_#t~ret49 := getOrigin_#res;bigMacCall_~tmp~8 := bigMacCall_#t~ret49;havoc bigMacCall_#t~ret49;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~8;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 20096#L401 assume 0 == initPersonOnFloor_~floor; 20421#L402 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 19820#L509-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 21113#L193 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 20026#L205-2 havoc cleanup_#t~ret50, cleanup_#t~ret51, cleanup_~i~0, cleanup_~tmp~9, cleanup_~tmp___0~0, cleanup_~__cil_tmp4~2;havoc cleanup_~i~0;havoc cleanup_~tmp~9;havoc cleanup_~tmp___0~0;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~20, timeShift_~tmp___0~8, timeShift_~tmp___1~4, timeShift_~tmp___2~4, timeShift_~tmp___3~3, timeShift_~tmp___4~2, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~20;havoc timeShift_~tmp___0~8;havoc timeShift_~tmp___1~4;havoc timeShift_~tmp___2~4;havoc timeShift_~tmp___3~3;havoc timeShift_~tmp___4~2;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~25, stopRequestedAtCurrentFloor_~tmp~18, stopRequestedAtCurrentFloor_~tmp___0~6;havoc stopRequestedAtCurrentFloor_~retValue_acc~25;havoc stopRequestedAtCurrentFloor_~tmp~18;havoc stopRequestedAtCurrentFloor_~tmp___0~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~28;havoc isExecutiveFloorCalling_~retValue_acc~28;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 20027#L130 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 21602#L157 isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~28 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~28; 22249#L3110 stopRequestedAtCurrentFloor_#t~ret80 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~18 := stopRequestedAtCurrentFloor_#t~ret80;havoc stopRequestedAtCurrentFloor_#t~ret80; 22248#L2494 assume 0 != stopRequestedAtCurrentFloor_~tmp~18;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~14;havoc getCurrentFloorID_~retValue_acc~14;getCurrentFloorID_~retValue_acc~14 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~14; 22247#L1825 stopRequestedAtCurrentFloor_#t~ret81 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~6 := stopRequestedAtCurrentFloor_#t~ret81;havoc stopRequestedAtCurrentFloor_#t~ret81; 22245#L2498 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~6);stopRequestedAtCurrentFloor_~retValue_acc~25 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~25; 22246#L2511 timeShift_#t~ret96 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret96;havoc timeShift_#t~ret96; 25282#L2647 assume !(0 != timeShift_~tmp___9~2); 25283#L2738 assume !(1 == ~doorState~0); 26133#L2738-2 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~22, stopRequestedInDirection_~tmp~15, stopRequestedInDirection_~tmp___0~4, 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~22;havoc stopRequestedInDirection_~tmp~15;havoc stopRequestedInDirection_~tmp___0~4;havoc stopRequestedInDirection_~__cil_tmp7~5;havoc stopRequestedInDirection_~__cil_tmp8~5;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~28;havoc isExecutiveFloorCalling_~retValue_acc~28;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 26132#L130-3 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 26131#L157-3 isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~28 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~28; 26130#L3110-1 stopRequestedInDirection_#t~ret74 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~4 := stopRequestedInDirection_#t~ret74;havoc stopRequestedInDirection_#t~ret74; 26128#L2377 assume 0 != stopRequestedInDirection_~tmp___0~4;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~14;havoc getCurrentFloorID_~retValue_acc~14;getCurrentFloorID_~retValue_acc~14 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~14; 26129#L1825-1 stopRequestedInDirection_#t~ret75 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~15 := 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~15 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~22 := (if stopRequestedInDirection_~__cil_tmp8~5 == stopRequestedInDirection_~__cil_tmp7~5 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~22; 26137#L2390 timeShift_#t~ret103 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret103;havoc timeShift_#t~ret103; 26135#L2746 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret77, continueInDirection_~dir, continueInDirection_~tmp~16;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~16;~currentHeading~0 := continueInDirection_~dir; 26134#L2434 assume !(1 == ~currentHeading~0); 22086#L2444 assume !(0 == ~currentFloorID~0); 21896#L2444-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 20368#L2450-5 havoc __utac_acc__Specification2_spec__3_#t~ret155, __utac_acc__Specification2_spec__3_#t~ret156, __utac_acc__Specification2_spec__3_#t~ret157, __utac_acc__Specification2_spec__3_#t~ret158, __utac_acc__Specification2_spec__3_#t~ret159, __utac_acc__Specification2_spec__3_#t~ret160, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~22, __utac_acc__Specification2_spec__3_~tmp___0~10, __utac_acc__Specification2_spec__3_~tmp___1~6, __utac_acc__Specification2_spec__3_~tmp___2~6, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~22;havoc __utac_acc__Specification2_spec__3_~tmp___0~10;havoc __utac_acc__Specification2_spec__3_~tmp___1~6;havoc __utac_acc__Specification2_spec__3_~tmp___2~6;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~14;havoc getCurrentFloorID_~retValue_acc~14;getCurrentFloorID_~retValue_acc~14 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~14; 21566#L1825-3 __utac_acc__Specification2_spec__3_#t~ret155 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~22 := __utac_acc__Specification2_spec__3_#t~ret155;havoc __utac_acc__Specification2_spec__3_#t~ret155;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~22; 21567#L3183 assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 21863#L3184 assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~15;havoc areDoorsOpen_~retValue_acc~15;areDoorsOpen_~retValue_acc~15 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~15; 22087#L1834 __utac_acc__Specification2_spec__3_#t~ret156 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret156;havoc __utac_acc__Specification2_spec__3_#t~ret156; 20784#L3188 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 20272#L3243 cleanup_~i~0 := 0; 21796#L1404-2 [2021-08-31 03:10:55,712 INFO L793 eck$LassoCheckResult]: Loop: 21796#L1404-2 assume !false; 21878#L1405 cleanup_~__cil_tmp4~2 := ~cleanupTimeShifts~0 - 1; 21226#L1408 assume cleanup_~i~0 < cleanup_~__cil_tmp4~2;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~13;havoc isBlocked_~retValue_acc~13;isBlocked_~retValue_acc~13 := 0;isBlocked_#res := isBlocked_~retValue_acc~13; 21227#L1691 cleanup_#t~ret50 := isBlocked_#res;cleanup_~tmp___0~0 := cleanup_#t~ret50;havoc cleanup_#t~ret50; 20490#L1412 assume 1 != cleanup_~tmp___0~0; 20491#L1412-1 havoc isIdle_#res;havoc isIdle_#t~ret62, isIdle_~retValue_acc~20, isIdle_~tmp~13;havoc isIdle_~retValue_acc~20;havoc isIdle_~tmp~13;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret57, anyStopRequested_#t~ret58, anyStopRequested_#t~ret59, anyStopRequested_#t~ret60, anyStopRequested_#t~ret61, anyStopRequested_~retValue_acc~19, anyStopRequested_~tmp~12, anyStopRequested_~tmp___0~2, anyStopRequested_~tmp___1~1, anyStopRequested_~tmp___2~1, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~19;havoc anyStopRequested_~tmp~12;havoc anyStopRequested_~tmp___0~2;havoc anyStopRequested_~tmp___1~1;havoc anyStopRequested_~tmp___2~1;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 22098#L130-25 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 22132#L157-25 anyStopRequested_#t~ret57 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret57;havoc anyStopRequested_#t~ret57; 22133#L1933 assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~19 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~19; 24558#L1997 isIdle_#t~ret62 := anyStopRequested_#res;isIdle_~tmp~13 := isIdle_#t~ret62;havoc isIdle_#t~ret62;isIdle_~retValue_acc~20 := (if 0 == isIdle_~tmp~13 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~20; 24549#L2010 cleanup_#t~ret51 := isIdle_#res;cleanup_~tmp~9 := cleanup_#t~ret51;havoc cleanup_#t~ret51; 21641#L1424 assume !(0 != cleanup_~tmp~9);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~20, timeShift_~tmp___0~8, timeShift_~tmp___1~4, timeShift_~tmp___2~4, timeShift_~tmp___3~3, timeShift_~tmp___4~2, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~20;havoc timeShift_~tmp___0~8;havoc timeShift_~tmp___1~4;havoc timeShift_~tmp___2~4;havoc timeShift_~tmp___3~3;havoc timeShift_~tmp___4~2;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~25, stopRequestedAtCurrentFloor_~tmp~18, stopRequestedAtCurrentFloor_~tmp___0~6;havoc stopRequestedAtCurrentFloor_~retValue_acc~25;havoc stopRequestedAtCurrentFloor_~tmp~18;havoc stopRequestedAtCurrentFloor_~tmp___0~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~28;havoc isExecutiveFloorCalling_~retValue_acc~28;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 21642#L130-30 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 20676#L157-30 isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~28 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~28; 19888#L3110-3 stopRequestedAtCurrentFloor_#t~ret80 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~18 := stopRequestedAtCurrentFloor_#t~ret80;havoc stopRequestedAtCurrentFloor_#t~ret80; 19889#L2494-1 assume 0 != stopRequestedAtCurrentFloor_~tmp~18;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~14;havoc getCurrentFloorID_~retValue_acc~14;getCurrentFloorID_~retValue_acc~14 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~14; 22082#L1825-4 stopRequestedAtCurrentFloor_#t~ret81 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~6 := stopRequestedAtCurrentFloor_#t~ret81;havoc stopRequestedAtCurrentFloor_#t~ret81; 22255#L2498-1 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~6);stopRequestedAtCurrentFloor_~retValue_acc~25 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~25; 22150#L2511-1 timeShift_#t~ret96 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret96;havoc timeShift_#t~ret96; 25808#L2647-1 assume !(0 != timeShift_~tmp___9~2); 25809#L2738-3 assume 1 == ~doorState~0;~doorState~0 := 0; 26227#L2738-5 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~22, stopRequestedInDirection_~tmp~15, stopRequestedInDirection_~tmp___0~4, 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~22;havoc stopRequestedInDirection_~tmp~15;havoc stopRequestedInDirection_~tmp___0~4;havoc stopRequestedInDirection_~__cil_tmp7~5;havoc stopRequestedInDirection_~__cil_tmp8~5;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~28;havoc isExecutiveFloorCalling_~retValue_acc~28;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 26226#L130-33 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 26225#L157-33 isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~28 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~28; 26224#L3110-4 stopRequestedInDirection_#t~ret74 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~4 := stopRequestedInDirection_#t~ret74;havoc stopRequestedInDirection_#t~ret74; 20204#L2377-2 assume 0 != stopRequestedInDirection_~tmp___0~4;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~14;havoc getCurrentFloorID_~retValue_acc~14;getCurrentFloorID_~retValue_acc~14 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~14; 20205#L1825-5 stopRequestedInDirection_#t~ret75 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~15 := 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~15 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~22 := (if stopRequestedInDirection_~__cil_tmp8~5 == stopRequestedInDirection_~__cil_tmp7~5 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~22; 22128#L2390-2 timeShift_#t~ret103 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret103;havoc timeShift_#t~ret103; 21749#L2746-1 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret77, continueInDirection_~dir, continueInDirection_~tmp~16;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~16;~currentHeading~0 := continueInDirection_~dir; 21751#L2434-3 assume !(1 == ~currentHeading~0); 20312#L2444-9 assume !(0 == ~currentFloorID~0); 19917#L2444-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 20150#L2450-11 havoc __utac_acc__Specification2_spec__3_#t~ret155, __utac_acc__Specification2_spec__3_#t~ret156, __utac_acc__Specification2_spec__3_#t~ret157, __utac_acc__Specification2_spec__3_#t~ret158, __utac_acc__Specification2_spec__3_#t~ret159, __utac_acc__Specification2_spec__3_#t~ret160, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~22, __utac_acc__Specification2_spec__3_~tmp___0~10, __utac_acc__Specification2_spec__3_~tmp___1~6, __utac_acc__Specification2_spec__3_~tmp___2~6, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~22;havoc __utac_acc__Specification2_spec__3_~tmp___0~10;havoc __utac_acc__Specification2_spec__3_~tmp___1~6;havoc __utac_acc__Specification2_spec__3_~tmp___2~6;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~14;havoc getCurrentFloorID_~retValue_acc~14;getCurrentFloorID_~retValue_acc~14 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~14; 20427#L1825-7 __utac_acc__Specification2_spec__3_#t~ret155 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~22 := __utac_acc__Specification2_spec__3_#t~ret155;havoc __utac_acc__Specification2_spec__3_#t~ret155;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~22; 20428#L3183-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 21924#L3184-1 assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~15;havoc areDoorsOpen_~retValue_acc~15;areDoorsOpen_~retValue_acc~15 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~15; 21598#L1834-5 __utac_acc__Specification2_spec__3_#t~ret156 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret156;havoc __utac_acc__Specification2_spec__3_#t~ret156; 21599#L3188-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 19765#L3243-1 cleanup_~i~0 := 1 + cleanup_~i~0; 21796#L1404-2 [2021-08-31 03:10:55,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:10:55,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1750905250, now seen corresponding path program 1 times [2021-08-31 03:10:55,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:10:55,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37307371] [2021-08-31 03:10:55,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:10:55,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:10:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:10:55,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 03:10:55,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:10:55,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37307371] [2021-08-31 03:10:55,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37307371] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:10:55,759 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:10:55,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:10:55,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222210547] [2021-08-31 03:10:55,759 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 03:10:55,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:10:55,760 INFO L82 PathProgramCache]: Analyzing trace with hash -198502247, now seen corresponding path program 1 times [2021-08-31 03:10:55,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:10:55,760 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134753032] [2021-08-31 03:10:55,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:10:55,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:10:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:10:55,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 03:10:55,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:10:55,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134753032] [2021-08-31 03:10:55,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134753032] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:10:55,800 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:10:55,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 03:10:55,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760890574] [2021-08-31 03:10:55,800 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 03:10:55,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:10:55,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 03:10:55,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-31 03:10:55,801 INFO L87 Difference]: Start difference. First operand 6553 states and 12383 transitions. cyclomatic complexity: 5832 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) [2021-08-31 03:11:08,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:11:08,024 INFO L93 Difference]: Finished difference Result 20260 states and 37981 transitions. [2021-08-31 03:11:08,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-31 03:11:08,025 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20260 states and 37981 transitions. [2021-08-31 03:11:08,098 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16068 [2021-08-31 03:11:08,160 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20260 states to 20260 states and 37981 transitions. [2021-08-31 03:11:08,161 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20260 [2021-08-31 03:11:08,173 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20260 [2021-08-31 03:11:08,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20260 states and 37981 transitions. [2021-08-31 03:11:08,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:11:08,192 INFO L681 BuchiCegarLoop]: Abstraction has 20260 states and 37981 transitions. [2021-08-31 03:11:08,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20260 states and 37981 transitions. [2021-08-31 03:11:08,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20260 to 8466. [2021-08-31 03:11:08,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8466 states, 8466 states have (on average 1.8721946609969289) internal successors, (15850), 8465 states have internal predecessors, (15850), 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) [2021-08-31 03:11:08,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8466 states to 8466 states and 15850 transitions. [2021-08-31 03:11:08,365 INFO L704 BuchiCegarLoop]: Abstraction has 8466 states and 15850 transitions. [2021-08-31 03:11:08,365 INFO L587 BuchiCegarLoop]: Abstraction has 8466 states and 15850 transitions. [2021-08-31 03:11:08,365 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 03:11:08,365 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8466 states and 15850 transitions. [2021-08-31 03:11:08,386 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4373 [2021-08-31 03:11:08,387 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:11:08,387 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:11:08,390 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] [2021-08-31 03:11:08,390 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] [2021-08-31 03:11:08,390 INFO L791 eck$LassoCheckResult]: Stem: 47681#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);~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;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 12;~executiveFloor~0 := 4;~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;~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; 47682#L-1 havoc main_#res;havoc main_#t~ret56, main_~retValue_acc~12, main_~tmp~11;havoc main_~retValue_acc~12;havoc main_~tmp~11; 49076#L1244 havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 49060#L1252 main_#t~ret56 := valid_product_#res;main_~tmp~11 := main_#t~ret56;havoc main_#t~ret56; 47877#L1601 assume 0 != main_~tmp~11; 47878#L1574 ~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; 47972#L3138 havoc bigMacCall_#t~ret49, bigMacCall_~tmp~8;havoc bigMacCall_~tmp~8;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~4;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~4; 47743#L755 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~4 := 4;getOrigin_#res := getOrigin_~retValue_acc~4; 46928#L780 bigMacCall_#t~ret49 := getOrigin_#res;bigMacCall_~tmp~8 := bigMacCall_#t~ret49;havoc bigMacCall_#t~ret49;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~8;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 46929#L401 assume 0 == initPersonOnFloor_~floor; 47258#L402 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 46652#L509-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 47979#L193 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 46859#L205-2 havoc cleanup_#t~ret50, cleanup_#t~ret51, cleanup_~i~0, cleanup_~tmp~9, cleanup_~tmp___0~0, cleanup_~__cil_tmp4~2;havoc cleanup_~i~0;havoc cleanup_~tmp~9;havoc cleanup_~tmp___0~0;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~20, timeShift_~tmp___0~8, timeShift_~tmp___1~4, timeShift_~tmp___2~4, timeShift_~tmp___3~3, timeShift_~tmp___4~2, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~20;havoc timeShift_~tmp___0~8;havoc timeShift_~tmp___1~4;havoc timeShift_~tmp___2~4;havoc timeShift_~tmp___3~3;havoc timeShift_~tmp___4~2;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~25, stopRequestedAtCurrentFloor_~tmp~18, stopRequestedAtCurrentFloor_~tmp___0~6;havoc stopRequestedAtCurrentFloor_~retValue_acc~25;havoc stopRequestedAtCurrentFloor_~tmp~18;havoc stopRequestedAtCurrentFloor_~tmp___0~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~28;havoc isExecutiveFloorCalling_~retValue_acc~28;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 46860#L130 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 48483#L157 isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~28 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~28; 48876#L3110 stopRequestedAtCurrentFloor_#t~ret80 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~18 := stopRequestedAtCurrentFloor_#t~ret80;havoc stopRequestedAtCurrentFloor_#t~ret80; 48725#L2494 assume 0 != stopRequestedAtCurrentFloor_~tmp~18;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~14;havoc getCurrentFloorID_~retValue_acc~14;getCurrentFloorID_~retValue_acc~14 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~14; 48726#L1825 stopRequestedAtCurrentFloor_#t~ret81 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~6 := stopRequestedAtCurrentFloor_#t~ret81;havoc stopRequestedAtCurrentFloor_#t~ret81; 48745#L2498 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~6);stopRequestedAtCurrentFloor_~retValue_acc~25 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~25; 48982#L2511 timeShift_#t~ret96 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret96;havoc timeShift_#t~ret96; 48412#L2647 assume !(0 != timeShift_~tmp___9~2); 48414#L2738 assume !(1 == ~doorState~0); 49279#L2738-2 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~22, stopRequestedInDirection_~tmp~15, stopRequestedInDirection_~tmp___0~4, 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~22;havoc stopRequestedInDirection_~tmp~15;havoc stopRequestedInDirection_~tmp___0~4;havoc stopRequestedInDirection_~__cil_tmp7~5;havoc stopRequestedInDirection_~__cil_tmp8~5;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~28;havoc isExecutiveFloorCalling_~retValue_acc~28;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 52667#L130-3 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 52666#L157-3 isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~28 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~28; 52665#L3110-1 stopRequestedInDirection_#t~ret74 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~4 := stopRequestedInDirection_#t~ret74;havoc stopRequestedInDirection_#t~ret74; 52664#L2377 assume 0 != stopRequestedInDirection_~tmp___0~4;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~14;havoc getCurrentFloorID_~retValue_acc~14;getCurrentFloorID_~retValue_acc~14 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~14; 52663#L1825-1 stopRequestedInDirection_#t~ret75 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~15 := 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~15 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~22 := (if stopRequestedInDirection_~__cil_tmp8~5 == stopRequestedInDirection_~__cil_tmp7~5 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~22; 52661#L2390 timeShift_#t~ret103 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret103;havoc timeShift_#t~ret103; 52657#L2746 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret77, continueInDirection_~dir, continueInDirection_~tmp~16;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~16;~currentHeading~0 := continueInDirection_~dir; 49527#L2434 assume !(1 == ~currentHeading~0); 49528#L2444 assume !(0 == ~currentFloorID~0); 48964#L2444-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 47203#L2450-5 havoc __utac_acc__Specification2_spec__3_#t~ret155, __utac_acc__Specification2_spec__3_#t~ret156, __utac_acc__Specification2_spec__3_#t~ret157, __utac_acc__Specification2_spec__3_#t~ret158, __utac_acc__Specification2_spec__3_#t~ret159, __utac_acc__Specification2_spec__3_#t~ret160, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~22, __utac_acc__Specification2_spec__3_~tmp___0~10, __utac_acc__Specification2_spec__3_~tmp___1~6, __utac_acc__Specification2_spec__3_~tmp___2~6, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~22;havoc __utac_acc__Specification2_spec__3_~tmp___0~10;havoc __utac_acc__Specification2_spec__3_~tmp___1~6;havoc __utac_acc__Specification2_spec__3_~tmp___2~6;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~14;havoc getCurrentFloorID_~retValue_acc~14;getCurrentFloorID_~retValue_acc~14 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~14; 48445#L1825-3 __utac_acc__Specification2_spec__3_#t~ret155 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~22 := __utac_acc__Specification2_spec__3_#t~ret155;havoc __utac_acc__Specification2_spec__3_#t~ret155;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~22; 48446#L3183 assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 49057#L3184 assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~15;havoc areDoorsOpen_~retValue_acc~15;areDoorsOpen_~retValue_acc~15 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~15; 49058#L1834 __utac_acc__Specification2_spec__3_#t~ret156 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret156;havoc __utac_acc__Specification2_spec__3_#t~ret156; 52620#L3188 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 52621#L3243 cleanup_~i~0 := 0; 52994#L1404-2 [2021-08-31 03:11:08,390 INFO L793 eck$LassoCheckResult]: Loop: 52994#L1404-2 assume !false; 52993#L1405 cleanup_~__cil_tmp4~2 := ~cleanupTimeShifts~0 - 1; 52992#L1408 assume cleanup_~i~0 < cleanup_~__cil_tmp4~2;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~13;havoc isBlocked_~retValue_acc~13;isBlocked_~retValue_acc~13 := 0;isBlocked_#res := isBlocked_~retValue_acc~13; 52991#L1691 cleanup_#t~ret50 := isBlocked_#res;cleanup_~tmp___0~0 := cleanup_#t~ret50;havoc cleanup_#t~ret50; 52990#L1412 assume 1 != cleanup_~tmp___0~0; 52988#L1412-1 havoc isIdle_#res;havoc isIdle_#t~ret62, isIdle_~retValue_acc~20, isIdle_~tmp~13;havoc isIdle_~retValue_acc~20;havoc isIdle_~tmp~13;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret57, anyStopRequested_#t~ret58, anyStopRequested_#t~ret59, anyStopRequested_#t~ret60, anyStopRequested_#t~ret61, anyStopRequested_~retValue_acc~19, anyStopRequested_~tmp~12, anyStopRequested_~tmp___0~2, anyStopRequested_~tmp___1~1, anyStopRequested_~tmp___2~1, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~19;havoc anyStopRequested_~tmp~12;havoc anyStopRequested_~tmp___0~2;havoc anyStopRequested_~tmp___1~1;havoc anyStopRequested_~tmp___2~1;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 52989#L130-25 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 52961#L157-25 anyStopRequested_#t~ret57 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret57;havoc anyStopRequested_#t~ret57; 52962#L1933 assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~19 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~19; 53962#L1997 isIdle_#t~ret62 := anyStopRequested_#res;isIdle_~tmp~13 := isIdle_#t~ret62;havoc isIdle_#t~ret62;isIdle_~retValue_acc~20 := (if 0 == isIdle_~tmp~13 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~20; 53961#L2010 cleanup_#t~ret51 := isIdle_#res;cleanup_~tmp~9 := cleanup_#t~ret51;havoc cleanup_#t~ret51; 53960#L1424 assume !(0 != cleanup_~tmp~9);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~20, timeShift_~tmp___0~8, timeShift_~tmp___1~4, timeShift_~tmp___2~4, timeShift_~tmp___3~3, timeShift_~tmp___4~2, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~20;havoc timeShift_~tmp___0~8;havoc timeShift_~tmp___1~4;havoc timeShift_~tmp___2~4;havoc timeShift_~tmp___3~3;havoc timeShift_~tmp___4~2;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~25, stopRequestedAtCurrentFloor_~tmp~18, stopRequestedAtCurrentFloor_~tmp___0~6;havoc stopRequestedAtCurrentFloor_~retValue_acc~25;havoc stopRequestedAtCurrentFloor_~tmp~18;havoc stopRequestedAtCurrentFloor_~tmp___0~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~28;havoc isExecutiveFloorCalling_~retValue_acc~28;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 53959#L130-30 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 51243#L157-30 isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~28 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~28; 53958#L3110-3 stopRequestedAtCurrentFloor_#t~ret80 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~18 := stopRequestedAtCurrentFloor_#t~ret80;havoc stopRequestedAtCurrentFloor_#t~ret80; 53956#L2494-1 assume 0 != stopRequestedAtCurrentFloor_~tmp~18;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~14;havoc getCurrentFloorID_~retValue_acc~14;getCurrentFloorID_~retValue_acc~14 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~14; 53951#L1825-4 stopRequestedAtCurrentFloor_#t~ret81 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~6 := stopRequestedAtCurrentFloor_#t~ret81;havoc stopRequestedAtCurrentFloor_#t~ret81; 53938#L2498-1 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~6);stopRequestedAtCurrentFloor_~retValue_acc~25 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~25; 49094#L2511-1 timeShift_#t~ret96 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret96;havoc timeShift_#t~ret96; 53936#L2647-1 assume !(0 != timeShift_~tmp___9~2); 53934#L2738-3 assume !(1 == ~doorState~0); 53928#L2738-5 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~22, stopRequestedInDirection_~tmp~15, stopRequestedInDirection_~tmp___0~4, 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~22;havoc stopRequestedInDirection_~tmp~15;havoc stopRequestedInDirection_~tmp___0~4;havoc stopRequestedInDirection_~__cil_tmp7~5;havoc stopRequestedInDirection_~__cil_tmp8~5;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~28;havoc isExecutiveFloorCalling_~retValue_acc~28;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 53926#L130-33 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 53925#L157-33 isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~28 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~28; 53924#L3110-4 stopRequestedInDirection_#t~ret74 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~4 := stopRequestedInDirection_#t~ret74;havoc stopRequestedInDirection_#t~ret74; 53923#L2377-2 assume 0 != stopRequestedInDirection_~tmp___0~4;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~14;havoc getCurrentFloorID_~retValue_acc~14;getCurrentFloorID_~retValue_acc~14 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~14; 53824#L1825-5 stopRequestedInDirection_#t~ret75 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~15 := 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~15 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~22 := (if stopRequestedInDirection_~__cil_tmp8~5 == stopRequestedInDirection_~__cil_tmp7~5 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~22; 53734#L2390-2 timeShift_#t~ret103 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret103;havoc timeShift_#t~ret103; 53717#L2746-1 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret77, continueInDirection_~dir, continueInDirection_~tmp~16;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~16;~currentHeading~0 := continueInDirection_~dir; 53708#L2434-3 assume !(1 == ~currentHeading~0); 53699#L2444-9 assume !(0 == ~currentFloorID~0); 53691#L2444-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 53685#L2450-11 havoc __utac_acc__Specification2_spec__3_#t~ret155, __utac_acc__Specification2_spec__3_#t~ret156, __utac_acc__Specification2_spec__3_#t~ret157, __utac_acc__Specification2_spec__3_#t~ret158, __utac_acc__Specification2_spec__3_#t~ret159, __utac_acc__Specification2_spec__3_#t~ret160, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~22, __utac_acc__Specification2_spec__3_~tmp___0~10, __utac_acc__Specification2_spec__3_~tmp___1~6, __utac_acc__Specification2_spec__3_~tmp___2~6, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~22;havoc __utac_acc__Specification2_spec__3_~tmp___0~10;havoc __utac_acc__Specification2_spec__3_~tmp___1~6;havoc __utac_acc__Specification2_spec__3_~tmp___2~6;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~14;havoc getCurrentFloorID_~retValue_acc~14;getCurrentFloorID_~retValue_acc~14 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~14; 53684#L1825-7 __utac_acc__Specification2_spec__3_#t~ret155 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~22 := __utac_acc__Specification2_spec__3_#t~ret155;havoc __utac_acc__Specification2_spec__3_#t~ret155;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~22; 53680#L3183-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 53676#L3184-1 assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~15;havoc areDoorsOpen_~retValue_acc~15;areDoorsOpen_~retValue_acc~15 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~15; 53675#L1834-5 __utac_acc__Specification2_spec__3_#t~ret156 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret156;havoc __utac_acc__Specification2_spec__3_#t~ret156; 53670#L3188-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 52995#L3243-1 cleanup_~i~0 := 1 + cleanup_~i~0; 52994#L1404-2 [2021-08-31 03:11:08,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:11:08,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1750905250, now seen corresponding path program 2 times [2021-08-31 03:11:08,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:11:08,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092894866] [2021-08-31 03:11:08,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:11:08,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:11:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:11:08,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 03:11:08,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:11:08,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092894866] [2021-08-31 03:11:08,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092894866] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:11:08,459 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:11:08,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:11:08,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279286638] [2021-08-31 03:11:08,460 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 03:11:08,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:11:08,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1887445989, now seen corresponding path program 1 times [2021-08-31 03:11:08,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:11:08,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186493] [2021-08-31 03:11:08,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:11:08,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:11:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:11:08,472 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:11:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:11:08,568 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:11:09,491 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 03:11:09,492 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 03:11:09,492 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 03:11:09,492 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 03:11:09,492 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-31 03:11:09,492 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:11:09,492 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 03:11:09,492 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 03:11:09,492 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product03.cil.c_Iteration3_Loop [2021-08-31 03:11:09,492 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 03:11:09,492 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 03:11:09,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:09,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,139 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 03:11:10,140 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-31 03:11:10,141 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:11:10,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:11:10,148 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) [2021-08-31 03:11:10,153 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 03:11:10,153 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:11:10,163 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 [2021-08-31 03:11:10,176 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 03:11:10,176 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: [] [2021-08-31 03:11:10,193 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 [2021-08-31 03:11:10,193 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:11:10,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:11:10,194 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) [2021-08-31 03:11:10,195 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 [2021-08-31 03:11:10,196 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 03:11:10,196 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:11:10,220 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 03:11:10,221 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___1~6=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___1~6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 03:11:10,270 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 [2021-08-31 03:11:10,270 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:11:10,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:11:10,285 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) [2021-08-31 03:11:10,295 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 03:11:10,295 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:11:10,295 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 [2021-08-31 03:11:10,302 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 03:11:10,302 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: [] [2021-08-31 03:11:10,317 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 [2021-08-31 03:11:10,317 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:11:10,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:11:10,317 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) [2021-08-31 03:11:10,318 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 [2021-08-31 03:11:10,319 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 03:11:10,319 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:11:10,329 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 03:11:10,329 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: [] [2021-08-31 03:11:10,345 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 [2021-08-31 03:11:10,345 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:11:10,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:11:10,346 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) [2021-08-31 03:11:10,346 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 [2021-08-31 03:11:10,347 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 03:11:10,348 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:11:10,353 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 03:11:10,353 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: [] [2021-08-31 03:11:10,369 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-08-31 03:11:10,370 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:11:10,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:11:10,370 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) [2021-08-31 03:11:10,372 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 [2021-08-31 03:11:10,373 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 03:11:10,373 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:11:10,385 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 03:11:10,385 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_areDoorsOpen_#res=3, ~doorState~0=3, ULTIMATE.start_areDoorsOpen_~retValue_acc~15=3, ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___4~3=3} Honda state: {ULTIMATE.start_areDoorsOpen_#res=3, ~doorState~0=3, ULTIMATE.start_areDoorsOpen_~retValue_acc~15=3, ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___4~3=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 03:11:10,411 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 [2021-08-31 03:11:10,411 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:11:10,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:11:10,412 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) [2021-08-31 03:11:10,425 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 03:11:10,425 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:11:10,434 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 [2021-08-31 03:11:10,451 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 [2021-08-31 03:11:10,451 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:11:10,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:11:10,452 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) [2021-08-31 03:11:10,454 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 [2021-08-31 03:11:10,455 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-31 03:11:10,455 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 03:11:10,920 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-31 03:11:10,925 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 [2021-08-31 03:11:10,925 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 03:11:10,925 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 03:11:10,925 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 03:11:10,925 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 03:11:10,925 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 03:11:10,925 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:11:10,926 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 03:11:10,926 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 03:11:10,926 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product03.cil.c_Iteration3_Loop [2021-08-31 03:11:10,926 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 03:11:10,926 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 03:11:10,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:10,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 03:11:11,534 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 03:11:11,537 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 03:11:11,537 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:11:11,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:11:11,538 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) [2021-08-31 03:11:11,541 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 [2021-08-31 03:11:11,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 03:11:11,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 03:11:11,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 03:11:11,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 03:11:11,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 03:11:11,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 03:11:11,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 03:11:11,553 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 [2021-08-31 03:11:11,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 03:11:11,585 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 [2021-08-31 03:11:11,585 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:11:11,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:11:11,593 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) [2021-08-31 03:11:11,596 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 [2021-08-31 03:11:11,596 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 [2021-08-31 03:11:11,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 03:11:11,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 03:11:11,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 03:11:11,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 03:11:11,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 03:11:11,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 03:11:11,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 03:11:11,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 03:11:11,633 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 [2021-08-31 03:11:11,633 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:11:11,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:11:11,634 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) [2021-08-31 03:11:11,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-31 03:11:11,635 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 [2021-08-31 03:11:11,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 03:11:11,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 03:11:11,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 03:11:11,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 03:11:11,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 03:11:11,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 03:11:11,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 03:11:11,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 03:11:11,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-08-31 03:11:11,661 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:11:11,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:11:11,661 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:11:11,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-08-31 03:11:11,663 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 [2021-08-31 03:11:11,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 03:11:11,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 03:11:11,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 03:11:11,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 03:11:11,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 03:11:11,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 03:11:11,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 03:11:11,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 03:11:11,686 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 [2021-08-31 03:11:11,686 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:11:11,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:11:11,687 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) [2021-08-31 03:11:11,687 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 [2021-08-31 03:11:11,688 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 [2021-08-31 03:11:11,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 03:11:11,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 03:11:11,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 03:11:11,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 03:11:11,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 03:11:11,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 03:11:11,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 03:11:11,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 03:11:11,712 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 [2021-08-31 03:11:11,712 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:11:11,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:11:11,713 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) [2021-08-31 03:11:11,713 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 [2021-08-31 03:11:11,715 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 [2021-08-31 03:11:11,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 03:11:11,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 03:11:11,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 03:11:11,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 03:11:11,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 03:11:11,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 03:11:11,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 03:11:11,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 03:11:11,739 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 [2021-08-31 03:11:11,739 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:11:11,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:11:11,740 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) [2021-08-31 03:11:11,774 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 [2021-08-31 03:11:11,775 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 [2021-08-31 03:11:11,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 03:11:11,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 03:11:11,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 03:11:11,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 03:11:11,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 03:11:11,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 03:11:11,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 03:11:11,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 03:11:11,801 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 [2021-08-31 03:11:11,801 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:11:11,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:11:11,801 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) [2021-08-31 03:11:11,802 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 [2021-08-31 03:11:11,803 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 [2021-08-31 03:11:11,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 03:11:11,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 03:11:11,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 03:11:11,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 03:11:11,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 03:11:11,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 03:11:11,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 03:11:11,811 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 03:11:11,849 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-08-31 03:11:11,849 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-08-31 03:11:11,850 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:11:11,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:11:11,853 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) [2021-08-31 03:11:11,864 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 [2021-08-31 03:11:11,865 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 03:11:11,866 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-31 03:11:11,866 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 03:11:11,866 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~cleanupTimeShifts~0, ULTIMATE.start_cleanup_~i~0) = 1*~cleanupTimeShifts~0 - 1*ULTIMATE.start_cleanup_~i~0 Supporting invariants [] [2021-08-31 03:11:11,883 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 [2021-08-31 03:11:11,884 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-31 03:11:11,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:11:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:11:11,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 03:11:11,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 03:11:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:11:12,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-31 03:11:12,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 03:11:12,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 03:11:12,256 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 [2021-08-31 03:11:12,257 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8466 states and 15850 transitions. cyclomatic complexity: 7386 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) [2021-08-31 03:11:15,038 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 [2021-08-31 03:11:16,061 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8466 states and 15850 transitions. cyclomatic complexity: 7386. 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 12839 states and 24011 transitions. Complement of second has 8 states. [2021-08-31 03:11:16,061 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 [2021-08-31 03:11:16,062 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) [2021-08-31 03:11:16,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4334 transitions. [2021-08-31 03:11:16,067 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4334 transitions. Stem has 41 letters. Loop has 39 letters. [2021-08-31 03:11:16,068 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:11:16,068 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4334 transitions. Stem has 80 letters. Loop has 39 letters. [2021-08-31 03:11:16,069 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:11:16,069 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4334 transitions. Stem has 41 letters. Loop has 78 letters. [2021-08-31 03:11:16,069 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 03:11:16,069 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12839 states and 24011 transitions. [2021-08-31 03:11:16,110 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 03:11:16,110 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12839 states to 0 states and 0 transitions. [2021-08-31 03:11:16,110 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 03:11:16,110 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 03:11:16,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 03:11:16,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:11:16,110 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 03:11:16,111 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 03:11:16,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:11:16,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 03:11:16,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 03:11:16,111 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) [2021-08-31 03:11:16,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:11:16,111 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-08-31 03:11:16,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-31 03:11:16,112 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-08-31 03:11:16,112 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 03:11:16,112 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-08-31 03:11:16,112 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 03:11:16,112 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 03:11:16,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 03:11:16,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:11:16,113 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 03:11:16,113 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 03:11:16,113 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 03:11:16,113 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-31 03:11:16,113 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-31 03:11:16,113 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 03:11:16,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 03:11:16,115 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.toString(StatisticsData.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerTimingBenchmark.toString(BuchiAutomizerTimingBenchmark.java:44) at de.uni_freiburg.informatik.ultimate.core.lib.results.StatisticsResult.getLongDescription(StatisticsResult.java:58) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.reportResult(BuchiAutomizerObserver.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-31 03:11:16,117 INFO L158 Benchmark]: Toolchain (without parser) took 43139.83ms. Allocated memory was 65.0MB in the beginning and 557.8MB in the end (delta: 492.8MB). Free memory was 42.7MB in the beginning and 244.9MB in the end (delta: -202.2MB). Peak memory consumption was 289.3MB. Max. memory is 16.1GB. [2021-08-31 03:11:16,117 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory was 45.9MB in the beginning and 45.9MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 03:11:16,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 498.46ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 42.5MB in the beginning and 54.3MB in the end (delta: -11.8MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2021-08-31 03:11:16,118 INFO L158 Benchmark]: Boogie Procedure Inliner took 128.48ms. Allocated memory is still 79.7MB. Free memory was 54.3MB in the beginning and 31.6MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-08-31 03:11:16,118 INFO L158 Benchmark]: Boogie Preprocessor took 173.28ms. Allocated memory is still 79.7MB. Free memory was 31.6MB in the beginning and 38.7MB in the end (delta: -7.1MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2021-08-31 03:11:16,118 INFO L158 Benchmark]: RCFGBuilder took 955.41ms. Allocated memory was 79.7MB in the beginning and 151.0MB in the end (delta: 71.3MB). Free memory was 38.5MB in the beginning and 86.1MB in the end (delta: -47.6MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2021-08-31 03:11:16,119 INFO L158 Benchmark]: BuchiAutomizer took 41379.20ms. Allocated memory was 151.0MB in the beginning and 557.8MB in the end (delta: 406.8MB). Free memory was 86.1MB in the beginning and 244.9MB in the end (delta: -158.8MB). Peak memory consumption was 248.0MB. Max. memory is 16.1GB. [2021-08-31 03:11:16,120 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory was 45.9MB in the beginning and 45.9MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 498.46ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 42.5MB in the beginning and 54.3MB in the end (delta: -11.8MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 128.48ms. Allocated memory is still 79.7MB. Free memory was 54.3MB in the beginning and 31.6MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 173.28ms. Allocated memory is still 79.7MB. Free memory was 31.6MB in the beginning and 38.7MB in the end (delta: -7.1MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * RCFGBuilder took 955.41ms. Allocated memory was 79.7MB in the beginning and 151.0MB in the end (delta: 71.3MB). Free memory was 38.5MB in the beginning and 86.1MB in the end (delta: -47.6MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 41379.20ms. Allocated memory was 151.0MB in the beginning and 557.8MB in the end (delta: 406.8MB). Free memory was 86.1MB in the beginning and 244.9MB in the end (delta: -158.8MB). Peak memory consumption was 248.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function cleanupTimeShifts + -1 * i and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 7 locations. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6): de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 03:11:16,145 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...