./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec14_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec14_product32.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer --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 25e0c1401a7ec2ca939577e51c928fc01f981092 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:48:30,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:48:30,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:48:30,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:48:30,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:48:30,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:48:30,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:48:30,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:48:30,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:48:30,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:48:30,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:48:30,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:48:30,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:48:30,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:48:30,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:48:30,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:48:30,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:48:30,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:48:30,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:48:30,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:48:30,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:48:30,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:48:30,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:48:30,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:48:30,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:48:30,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:48:30,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:48:30,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:48:30,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:48:30,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:48:30,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:48:30,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:48:30,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:48:30,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:48:30,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:48:30,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:48:30,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:48:30,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:48:30,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:48:30,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:48:30,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:48:30,833 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 20:48:30,862 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:48:30,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:48:30,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:48:30,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:48:30,864 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:48:30,864 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 20:48:30,865 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 20:48:30,865 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 20:48:30,865 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 20:48:30,866 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 20:48:30,866 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 20:48:30,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:48:30,866 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:48:30,867 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 20:48:30,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:48:30,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:48:30,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:48:30,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 20:48:30,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 20:48:30,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 20:48:30,871 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:48:30,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:48:30,871 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 20:48:30,872 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:48:30,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 20:48:30,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:48:30,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:48:30,873 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 20:48:30,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:48:30,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:48:30,876 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:48:30,877 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 20:48:30,878 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 20:48:30,879 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:/tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25e0c1401a7ec2ca939577e51c928fc01f981092 [2020-11-29 20:48:31,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:48:31,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:48:31,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:48:31,232 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:48:31,233 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:48:31,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/../../sv-benchmarks/c/product-lines/elevator_spec14_product32.cil.c [2020-11-29 20:48:31,316 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/data/6fc30dec1/b47c49737bec45b1b951c030b302d1e8/FLAG9d47ae83d [2020-11-29 20:48:32,141 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:48:32,142 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/sv-benchmarks/c/product-lines/elevator_spec14_product32.cil.c [2020-11-29 20:48:32,171 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/data/6fc30dec1/b47c49737bec45b1b951c030b302d1e8/FLAG9d47ae83d [2020-11-29 20:48:32,340 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/data/6fc30dec1/b47c49737bec45b1b951c030b302d1e8 [2020-11-29 20:48:32,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:48:32,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:48:32,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:48:32,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:48:32,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:48:32,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:48:32" (1/1) ... [2020-11-29 20:48:32,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@383249ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:48:32, skipping insertion in model container [2020-11-29 20:48:32,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:48:32" (1/1) ... [2020-11-29 20:48:32,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:48:32,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:48:33,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:48:33,087 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:48:33,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:48:33,346 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:48:33,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:48:33 WrapperNode [2020-11-29 20:48:33,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:48:33,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:48:33,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:48:33,354 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:48:33,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:48:33" (1/1) ... [2020-11-29 20:48:33,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:48:33" (1/1) ... [2020-11-29 20:48:34,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:48:34,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:48:34,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:48:34,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:48:34,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:48:33" (1/1) ... [2020-11-29 20:48:34,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:48:33" (1/1) ... [2020-11-29 20:48:34,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:48:33" (1/1) ... [2020-11-29 20:48:34,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:48:33" (1/1) ... [2020-11-29 20:48:35,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:48:33" (1/1) ... [2020-11-29 20:48:35,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:48:33" (1/1) ... [2020-11-29 20:48:36,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:48:33" (1/1) ... [2020-11-29 20:48:36,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:48:36,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:48:36,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:48:36,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:48:36,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:48:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:48:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:48:36,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:48:36,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:48:36,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:49:07,431 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:49:07,432 INFO L298 CfgBuilder]: Removed 4073 assume(true) statements. [2020-11-29 20:49:07,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:49:07 BoogieIcfgContainer [2020-11-29 20:49:07,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:49:07,455 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 20:49:07,455 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 20:49:07,459 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 20:49:07,460 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:49:07,461 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 08:48:32" (1/3) ... [2020-11-29 20:49:07,462 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26b73b65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:49:07, skipping insertion in model container [2020-11-29 20:49:07,463 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:49:07,463 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:48:33" (2/3) ... [2020-11-29 20:49:07,463 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26b73b65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:49:07, skipping insertion in model container [2020-11-29 20:49:07,463 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:49:07,464 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:49:07" (3/3) ... [2020-11-29 20:49:07,465 INFO L373 chiAutomizerObserver]: Analyzing ICFG elevator_spec14_product32.cil.c [2020-11-29 20:49:07,545 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 20:49:07,545 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 20:49:07,545 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 20:49:07,545 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:49:07,545 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:49:07,546 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 20:49:07,546 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:49:07,546 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 20:49:07,817 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17487 states. [2020-11-29 20:49:08,190 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3515 [2020-11-29 20:49:08,190 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:49:08,190 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:49:08,222 INFO L852 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:49:08,222 INFO L853 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] [2020-11-29 20:49:08,222 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 20:49:08,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17487 states. [2020-11-29 20:49:08,464 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3515 [2020-11-29 20:49:08,464 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:49:08,465 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:49:08,480 INFO L852 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:49:08,480 INFO L853 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] [2020-11-29 20:49:08,506 INFO L794 eck$LassoCheckResult]: Stem: 2689#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(32);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(10);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string126.base, #t~string126.offset, 1);call write~init~int(95, #t~string126.base, 1 + #t~string126.offset, 1);call write~init~int(93, #t~string126.base, 2 + #t~string126.offset, 1);call write~init~int(0, #t~string126.base, 3 + #t~string126.offset, 1);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string128.base, #t~string128.offset, 1);call write~init~int(93, #t~string128.base, 1 + #t~string128.offset, 1);call write~init~int(32, #t~string128.base, 2 + #t~string128.offset, 1);call write~init~int(0, #t~string128.base, 3 + #t~string128.offset, 1);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string130.base, #t~string130.offset, 1);call write~init~int(97, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(116, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(32, #t~string130.base, 3 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 4 + #t~string130.offset, 1);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string132.base, #t~string132.offset, 1);call write~init~int(105, #t~string132.base, 1 + #t~string132.offset, 1);call write~init~int(0, #t~string132.base, 2 + #t~string132.offset, 1);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(10);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string136.base, #t~string136.offset, 1);call write~init~int(112, #t~string136.base, 1 + #t~string136.offset, 1);call write~init~int(0, #t~string136.base, 2 + #t~string136.offset, 1);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string138.base, #t~string138.offset, 1);call write~init~int(111, #t~string138.base, 1 + #t~string138.offset, 1);call write~init~int(119, #t~string138.base, 2 + #t~string138.offset, 1);call write~init~int(110, #t~string138.base, 3 + #t~string138.offset, 1);call write~init~int(0, #t~string138.base, 4 + #t~string138.offset, 1);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string140.base, #t~string140.offset, 1);call write~init~int(73, #t~string140.base, 1 + #t~string140.offset, 1);call write~init~int(76, #t~string140.base, 2 + #t~string140.offset, 1);call write~init~int(95, #t~string140.base, 3 + #t~string140.offset, 1);call write~init~int(112, #t~string140.base, 4 + #t~string140.offset, 1);call write~init~int(58, #t~string140.base, 5 + #t~string140.offset, 1);call write~init~int(0, #t~string140.base, 6 + #t~string140.offset, 1);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string142.base, #t~string142.offset, 1);call write~init~int(37, #t~string142.base, 1 + #t~string142.offset, 1);call write~init~int(105, #t~string142.base, 2 + #t~string142.offset, 1);call write~init~int(0, #t~string142.base, 3 + #t~string142.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~string146.base, #t~string146.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string146.base, #t~string146.offset, 1);call write~init~int(37, #t~string146.base, 1 + #t~string146.offset, 1);call write~init~int(105, #t~string146.base, 2 + #t~string146.offset, 1);call write~init~int(0, #t~string146.base, 3 + #t~string146.offset, 1);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string148.base, #t~string148.offset, 1);call write~init~int(37, #t~string148.base, 1 + #t~string148.offset, 1);call write~init~int(105, #t~string148.base, 2 + #t~string148.offset, 1);call write~init~int(0, #t~string148.base, 3 + #t~string148.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(6);call write~init~int(32, #t~string152.base, #t~string152.offset, 1);call write~init~int(70, #t~string152.base, 1 + #t~string152.offset, 1);call write~init~int(95, #t~string152.base, 2 + #t~string152.offset, 1);call write~init~int(112, #t~string152.base, 3 + #t~string152.offset, 1);call write~init~int(58, #t~string152.base, 4 + #t~string152.offset, 1);call write~init~int(0, #t~string152.base, 5 + #t~string152.offset, 1);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string155.base, #t~string155.offset, 1);call write~init~int(37, #t~string155.base, 1 + #t~string155.offset, 1);call write~init~int(105, #t~string155.base, 2 + #t~string155.offset, 1);call write~init~int(0, #t~string155.base, 3 + #t~string155.offset, 1);call #t~string158.base, #t~string158.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string158.base, #t~string158.offset, 1);call write~init~int(37, #t~string158.base, 1 + #t~string158.offset, 1);call write~init~int(105, #t~string158.base, 2 + #t~string158.offset, 1);call write~init~int(0, #t~string158.base, 3 + #t~string158.offset, 1);call #t~string161.base, #t~string161.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string161.base, #t~string161.offset, 1);call write~init~int(37, #t~string161.base, 1 + #t~string161.offset, 1);call write~init~int(105, #t~string161.base, 2 + #t~string161.offset, 1);call write~init~int(0, #t~string161.base, 3 + #t~string161.offset, 1);call #t~string164.base, #t~string164.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string164.base, #t~string164.offset, 1);call write~init~int(37, #t~string164.base, 1 + #t~string164.offset, 1);call write~init~int(105, #t~string164.base, 2 + #t~string164.offset, 1);call write~init~int(0, #t~string164.base, 3 + #t~string164.offset, 1);call #t~string167.base, #t~string167.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string167.base, #t~string167.offset, 1);call write~init~int(37, #t~string167.base, 1 + #t~string167.offset, 1);call write~init~int(105, #t~string167.base, 2 + #t~string167.offset, 1);call write~init~int(0, #t~string167.base, 3 + #t~string167.offset, 1);call #t~string169.base, #t~string169.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string169.base, #t~string169.offset, 1);call write~init~int(0, #t~string169.base, 1 + #t~string169.offset, 1);call #t~string172.base, #t~string172.offset := #Ultimate.allocOnStack(9);~cleanupTimeShifts~0 := 12;~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~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; 17307#L-1true havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~4, main_~tmp~8;havoc main_~retValue_acc~4;havoc main_~tmp~8; 1318#L926true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 2067#L934true main_#t~ret20 := valid_product_#res;main_~tmp~8 := main_#t~ret20;havoc main_#t~ret20; 8141#L524true assume 0 != main_~tmp~8; 6212#L498true havoc bigMacCall_#t~ret13, bigMacCall_~tmp~5;havoc bigMacCall_~tmp~5;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~1;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~1; 13984#L87true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~1 := 4;getOrigin_#res := getOrigin_~retValue_acc~1; 12414#L112true bigMacCall_#t~ret13 := getOrigin_#res;bigMacCall_~tmp~5 := bigMacCall_#t~ret13;havoc bigMacCall_#t~ret13;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~5;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 16442#L1394true assume 0 == initPersonOnFloor_~floor; 16476#L1395true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 13586#L1502-1true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 5856#L1186true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 6383#L1198-2true havoc timeShift_#t~ret123, timeShift_~tmp~28;havoc timeShift_~tmp~28;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; 7058#L1958true timeShift_#t~ret123 := areDoorsOpen_#res;timeShift_~tmp~28 := timeShift_#t~ret123;havoc timeShift_#t~ret123; 4431#L2969true assume 0 != timeShift_~tmp~28; 4548#L2970true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 6037#L2614-11true havoc __utac_acc__Specification14_spec__1_#t~ret175, __utac_acc__Specification14_spec__1_#t~ret176, __utac_acc__Specification14_spec__1_#t~ret177, __utac_acc__Specification14_spec__1_#t~ret178, __utac_acc__Specification14_spec__1_~tmp~31, __utac_acc__Specification14_spec__1_~tmp___0~13, __utac_acc__Specification14_spec__1_~tmp___1~8, __utac_acc__Specification14_spec__1_~tmp___2~6;havoc __utac_acc__Specification14_spec__1_~tmp~31;havoc __utac_acc__Specification14_spec__1_~tmp___0~13;havoc __utac_acc__Specification14_spec__1_~tmp___1~8;havoc __utac_acc__Specification14_spec__1_~tmp___2~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret174, isExecutiveFloorCalling_~retValue_acc~30;havoc isExecutiveFloorCalling_~retValue_acc~30;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~10;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~10; 8681#L1123-130true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~10 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~10; 15496#L1150-130true isExecutiveFloorCalling_#t~ret174 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~30 := isExecutiveFloorCalling_#t~ret174;havoc isExecutiveFloorCalling_#t~ret174;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~30; 7976#L3349-6true __utac_acc__Specification14_spec__1_#t~ret175 := isExecutiveFloorCalling_#res;__utac_acc__Specification14_spec__1_~tmp___2~6 := __utac_acc__Specification14_spec__1_#t~ret175;havoc __utac_acc__Specification14_spec__1_#t~ret175; 7325#L3382true assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6); 7324#L3382-1true havoc timeShift_#t~ret123, timeShift_~tmp~28;havoc timeShift_~tmp~28;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; 7044#L1958-2true timeShift_#t~ret123 := areDoorsOpen_#res;timeShift_~tmp~28 := timeShift_#t~ret123;havoc timeShift_#t~ret123; 4433#L2969-1true assume 0 != timeShift_~tmp~28; 4527#L2970-2true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 6018#L2614-23true havoc __utac_acc__Specification14_spec__1_#t~ret175, __utac_acc__Specification14_spec__1_#t~ret176, __utac_acc__Specification14_spec__1_#t~ret177, __utac_acc__Specification14_spec__1_#t~ret178, __utac_acc__Specification14_spec__1_~tmp~31, __utac_acc__Specification14_spec__1_~tmp___0~13, __utac_acc__Specification14_spec__1_~tmp___1~8, __utac_acc__Specification14_spec__1_~tmp___2~6;havoc __utac_acc__Specification14_spec__1_~tmp~31;havoc __utac_acc__Specification14_spec__1_~tmp___0~13;havoc __utac_acc__Specification14_spec__1_~tmp___1~8;havoc __utac_acc__Specification14_spec__1_~tmp___2~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret174, isExecutiveFloorCalling_~retValue_acc~30;havoc isExecutiveFloorCalling_~retValue_acc~30;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~10;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~10; 11044#L1123-261true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~10 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~10; 15323#L1150-261true isExecutiveFloorCalling_#t~ret174 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~30 := isExecutiveFloorCalling_#t~ret174;havoc isExecutiveFloorCalling_#t~ret174;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~30; 7942#L3349-13true __utac_acc__Specification14_spec__1_#t~ret175 := isExecutiveFloorCalling_#res;__utac_acc__Specification14_spec__1_~tmp___2~6 := __utac_acc__Specification14_spec__1_#t~ret175;havoc __utac_acc__Specification14_spec__1_#t~ret175; 7395#L3382-2true assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6); 7397#L3382-3true havoc timeShift_#t~ret123, timeShift_~tmp~28;havoc timeShift_~tmp~28;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; 7045#L1958-4true timeShift_#t~ret123 := areDoorsOpen_#res;timeShift_~tmp~28 := timeShift_#t~ret123;havoc timeShift_#t~ret123; 4432#L2969-2true assume 0 != timeShift_~tmp~28; 4531#L2970-4true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 5983#L2614-35true havoc __utac_acc__Specification14_spec__1_#t~ret175, __utac_acc__Specification14_spec__1_#t~ret176, __utac_acc__Specification14_spec__1_#t~ret177, __utac_acc__Specification14_spec__1_#t~ret178, __utac_acc__Specification14_spec__1_~tmp~31, __utac_acc__Specification14_spec__1_~tmp___0~13, __utac_acc__Specification14_spec__1_~tmp___1~8, __utac_acc__Specification14_spec__1_~tmp___2~6;havoc __utac_acc__Specification14_spec__1_~tmp~31;havoc __utac_acc__Specification14_spec__1_~tmp___0~13;havoc __utac_acc__Specification14_spec__1_~tmp___1~8;havoc __utac_acc__Specification14_spec__1_~tmp___2~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret174, isExecutiveFloorCalling_~retValue_acc~30;havoc isExecutiveFloorCalling_~retValue_acc~30;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~10;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~10; 10041#L1123-392true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~10 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~10; 12733#L1150-392true isExecutiveFloorCalling_#t~ret174 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~30 := isExecutiveFloorCalling_#t~ret174;havoc isExecutiveFloorCalling_#t~ret174;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~30; 7939#L3349-20true __utac_acc__Specification14_spec__1_#t~ret175 := isExecutiveFloorCalling_#res;__utac_acc__Specification14_spec__1_~tmp___2~6 := __utac_acc__Specification14_spec__1_#t~ret175;havoc __utac_acc__Specification14_spec__1_#t~ret175; 7393#L3382-4true assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6); 7402#L3382-5true havoc bobCall_#t~ret8, bobCall_~tmp~0;havoc bobCall_~tmp~0;getOrigin_#in~person := 0;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~1;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~1; 13982#L87-1true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~1 := 4;getOrigin_#res := getOrigin_~retValue_acc~1; 12412#L112-1true bobCall_#t~ret8 := getOrigin_#res;bobCall_~tmp~0 := bobCall_#t~ret8;havoc bobCall_#t~ret8;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 0, bobCall_~tmp~0;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 16443#L1394-1true assume 0 == initPersonOnFloor_~floor; 16477#L1395-2true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 13594#L1502-3true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 5859#L1186-2true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 6356#L1198-5true havoc cleanup_#t~ret14, cleanup_#t~ret15, cleanup_~i~0, cleanup_~tmp~6, cleanup_~tmp___0~0, cleanup_~__cil_tmp4~0;havoc cleanup_~i~0;havoc cleanup_~tmp~6;havoc cleanup_~tmp___0~0;havoc cleanup_~__cil_tmp4~0;havoc timeShift_#t~ret123, timeShift_~tmp~28;havoc timeShift_~tmp~28;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; 7054#L1958-6true timeShift_#t~ret123 := areDoorsOpen_#res;timeShift_~tmp~28 := timeShift_#t~ret123;havoc timeShift_#t~ret123; 4435#L2969-3true assume 0 != timeShift_~tmp~28; 4507#L2970-6true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 4482#L2614-47true havoc __utac_acc__Specification14_spec__1_#t~ret175, __utac_acc__Specification14_spec__1_#t~ret176, __utac_acc__Specification14_spec__1_#t~ret177, __utac_acc__Specification14_spec__1_#t~ret178, __utac_acc__Specification14_spec__1_~tmp~31, __utac_acc__Specification14_spec__1_~tmp___0~13, __utac_acc__Specification14_spec__1_~tmp___1~8, __utac_acc__Specification14_spec__1_~tmp___2~6;havoc __utac_acc__Specification14_spec__1_~tmp~31;havoc __utac_acc__Specification14_spec__1_~tmp___0~13;havoc __utac_acc__Specification14_spec__1_~tmp___1~8;havoc __utac_acc__Specification14_spec__1_~tmp___2~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret174, isExecutiveFloorCalling_~retValue_acc~30;havoc isExecutiveFloorCalling_~retValue_acc~30;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~10;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~10; 9756#L1123-523true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~10 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~10; 12615#L1150-523true isExecutiveFloorCalling_#t~ret174 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~30 := isExecutiveFloorCalling_#t~ret174;havoc isExecutiveFloorCalling_#t~ret174;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~30; 7921#L3349-27true __utac_acc__Specification14_spec__1_#t~ret175 := isExecutiveFloorCalling_#res;__utac_acc__Specification14_spec__1_~tmp___2~6 := __utac_acc__Specification14_spec__1_#t~ret175;havoc __utac_acc__Specification14_spec__1_#t~ret175; 7400#L3382-6true assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6); 7401#L3382-7true cleanup_~i~0 := 0; 16252#L328-2true [2020-11-29 20:49:08,507 INFO L796 eck$LassoCheckResult]: Loop: 16252#L328-2true assume !false; 16238#L329true cleanup_~__cil_tmp4~0 := ~cleanupTimeShifts~0 - 1; 16154#L332true assume cleanup_~i~0 < cleanup_~__cil_tmp4~0;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~13;havoc isBlocked_~retValue_acc~13;isBlocked_~retValue_acc~13 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~13; 17422#L1776true cleanup_#t~ret14 := isBlocked_#res;cleanup_~tmp___0~0 := cleanup_#t~ret14;havoc cleanup_#t~ret14; 16119#L336true assume 1 != cleanup_~tmp___0~0; 16121#L336-1true havoc isIdle_#res;havoc isIdle_#t~ret71, isIdle_~retValue_acc~20, isIdle_~tmp~18;havoc isIdle_~retValue_acc~20;havoc isIdle_~tmp~18;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret66, anyStopRequested_#t~ret67, anyStopRequested_#t~ret68, anyStopRequested_#t~ret69, anyStopRequested_#t~ret70, anyStopRequested_~retValue_acc~19, anyStopRequested_~tmp~17, anyStopRequested_~tmp___0~4, anyStopRequested_~tmp___1~3, anyStopRequested_~tmp___2~1, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~19;havoc anyStopRequested_~tmp~17;havoc anyStopRequested_~tmp___0~4;havoc anyStopRequested_~tmp___1~3;havoc anyStopRequested_~tmp___2~1;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~10;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~10; 9763#L1123-524true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~10 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~10; 12617#L1150-524true anyStopRequested_#t~ret66 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret66;havoc anyStopRequested_#t~ret66; 2923#L2057true assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~19 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~19; 17487#L2121true isIdle_#t~ret71 := anyStopRequested_#res;isIdle_~tmp~18 := isIdle_#t~ret71;havoc isIdle_#t~ret71;isIdle_~retValue_acc~20 := (if 0 == isIdle_~tmp~18 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~20; 17018#L2134true cleanup_#t~ret15 := isIdle_#res;cleanup_~tmp~6 := cleanup_#t~ret15;havoc cleanup_#t~ret15; 17346#L348true assume !(0 != cleanup_~tmp~6);havoc timeShift_#t~ret123, timeShift_~tmp~28;havoc timeShift_~tmp~28;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; 7030#L1958-8true timeShift_#t~ret123 := areDoorsOpen_#res;timeShift_~tmp~28 := timeShift_#t~ret123;havoc timeShift_#t~ret123; 4437#L2969-4true assume 0 != timeShift_~tmp~28; 4512#L2970-8true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 4462#L2614-59true havoc __utac_acc__Specification14_spec__1_#t~ret175, __utac_acc__Specification14_spec__1_#t~ret176, __utac_acc__Specification14_spec__1_#t~ret177, __utac_acc__Specification14_spec__1_#t~ret178, __utac_acc__Specification14_spec__1_~tmp~31, __utac_acc__Specification14_spec__1_~tmp___0~13, __utac_acc__Specification14_spec__1_~tmp___1~8, __utac_acc__Specification14_spec__1_~tmp___2~6;havoc __utac_acc__Specification14_spec__1_~tmp~31;havoc __utac_acc__Specification14_spec__1_~tmp___0~13;havoc __utac_acc__Specification14_spec__1_~tmp___1~8;havoc __utac_acc__Specification14_spec__1_~tmp___2~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret174, isExecutiveFloorCalling_~retValue_acc~30;havoc isExecutiveFloorCalling_~retValue_acc~30;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~10;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~10; 14373#L1123-659true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~10 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~10; 12091#L1150-659true isExecutiveFloorCalling_#t~ret174 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~30 := isExecutiveFloorCalling_#t~ret174;havoc isExecutiveFloorCalling_#t~ret174;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~30; 7892#L3349-34true __utac_acc__Specification14_spec__1_#t~ret175 := isExecutiveFloorCalling_#res;__utac_acc__Specification14_spec__1_~tmp___2~6 := __utac_acc__Specification14_spec__1_#t~ret175;havoc __utac_acc__Specification14_spec__1_#t~ret175; 7387#L3382-8true assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6); 7383#L3382-9true cleanup_~i~0 := 1 + cleanup_~i~0; 16252#L328-2true [2020-11-29 20:49:08,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:49:08,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1167097521, now seen corresponding path program 1 times [2020-11-29 20:49:08,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:49:08,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888293867] [2020-11-29 20:49:08,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:49:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:49:09,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:49:09,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888293867] [2020-11-29 20:49:09,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:49:09,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:49:09,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359295701] [2020-11-29 20:49:09,071 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 20:49:09,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:49:09,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1599129941, now seen corresponding path program 1 times [2020-11-29 20:49:09,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:49:09,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137760200] [2020-11-29 20:49:09,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:49:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:49:09,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:49:09,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137760200] [2020-11-29 20:49:09,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:49:09,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-29 20:49:09,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326353518] [2020-11-29 20:49:09,191 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 20:49:09,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:49:09,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 20:49:09,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-11-29 20:49:09,210 INFO L87 Difference]: Start difference. First operand 17487 states. Second operand 8 states. [2020-11-29 20:49:55,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:49:55,776 INFO L93 Difference]: Finished difference Result 234390 states and 440916 transitions. [2020-11-29 20:49:55,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-11-29 20:49:55,778 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 234390 states and 440916 transitions. [2020-11-29 20:49:58,102 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 80930 [2020-11-29 20:50:00,105 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 234390 states to 234290 states and 440789 transitions. [2020-11-29 20:50:00,106 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 234290 [2020-11-29 20:50:00,405 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 234290 [2020-11-29 20:50:00,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 234290 states and 440789 transitions. [2020-11-29 20:50:00,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 20:50:00,817 INFO L691 BuchiCegarLoop]: Abstraction has 234290 states and 440789 transitions. [2020-11-29 20:50:01,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234290 states and 440789 transitions. [2020-11-29 20:50:03,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234290 to 34911. [2020-11-29 20:50:03,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34911 states. [2020-11-29 20:50:03,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34911 states to 34911 states and 65830 transitions. [2020-11-29 20:50:03,891 INFO L714 BuchiCegarLoop]: Abstraction has 34911 states and 65830 transitions. [2020-11-29 20:50:03,891 INFO L594 BuchiCegarLoop]: Abstraction has 34911 states and 65830 transitions. [2020-11-29 20:50:03,891 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 20:50:03,891 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34911 states and 65830 transitions. [2020-11-29 20:50:04,031 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7033 [2020-11-29 20:50:04,032 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:50:04,032 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:50:04,039 INFO L852 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:50:04,039 INFO L853 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] [2020-11-29 20:50:04,040 INFO L794 eck$LassoCheckResult]: Stem: 255744#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(32);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(10);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string126.base, #t~string126.offset, 1);call write~init~int(95, #t~string126.base, 1 + #t~string126.offset, 1);call write~init~int(93, #t~string126.base, 2 + #t~string126.offset, 1);call write~init~int(0, #t~string126.base, 3 + #t~string126.offset, 1);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string128.base, #t~string128.offset, 1);call write~init~int(93, #t~string128.base, 1 + #t~string128.offset, 1);call write~init~int(32, #t~string128.base, 2 + #t~string128.offset, 1);call write~init~int(0, #t~string128.base, 3 + #t~string128.offset, 1);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string130.base, #t~string130.offset, 1);call write~init~int(97, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(116, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(32, #t~string130.base, 3 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 4 + #t~string130.offset, 1);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string132.base, #t~string132.offset, 1);call write~init~int(105, #t~string132.base, 1 + #t~string132.offset, 1);call write~init~int(0, #t~string132.base, 2 + #t~string132.offset, 1);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(10);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string136.base, #t~string136.offset, 1);call write~init~int(112, #t~string136.base, 1 + #t~string136.offset, 1);call write~init~int(0, #t~string136.base, 2 + #t~string136.offset, 1);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string138.base, #t~string138.offset, 1);call write~init~int(111, #t~string138.base, 1 + #t~string138.offset, 1);call write~init~int(119, #t~string138.base, 2 + #t~string138.offset, 1);call write~init~int(110, #t~string138.base, 3 + #t~string138.offset, 1);call write~init~int(0, #t~string138.base, 4 + #t~string138.offset, 1);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string140.base, #t~string140.offset, 1);call write~init~int(73, #t~string140.base, 1 + #t~string140.offset, 1);call write~init~int(76, #t~string140.base, 2 + #t~string140.offset, 1);call write~init~int(95, #t~string140.base, 3 + #t~string140.offset, 1);call write~init~int(112, #t~string140.base, 4 + #t~string140.offset, 1);call write~init~int(58, #t~string140.base, 5 + #t~string140.offset, 1);call write~init~int(0, #t~string140.base, 6 + #t~string140.offset, 1);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string142.base, #t~string142.offset, 1);call write~init~int(37, #t~string142.base, 1 + #t~string142.offset, 1);call write~init~int(105, #t~string142.base, 2 + #t~string142.offset, 1);call write~init~int(0, #t~string142.base, 3 + #t~string142.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~string146.base, #t~string146.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string146.base, #t~string146.offset, 1);call write~init~int(37, #t~string146.base, 1 + #t~string146.offset, 1);call write~init~int(105, #t~string146.base, 2 + #t~string146.offset, 1);call write~init~int(0, #t~string146.base, 3 + #t~string146.offset, 1);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string148.base, #t~string148.offset, 1);call write~init~int(37, #t~string148.base, 1 + #t~string148.offset, 1);call write~init~int(105, #t~string148.base, 2 + #t~string148.offset, 1);call write~init~int(0, #t~string148.base, 3 + #t~string148.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(6);call write~init~int(32, #t~string152.base, #t~string152.offset, 1);call write~init~int(70, #t~string152.base, 1 + #t~string152.offset, 1);call write~init~int(95, #t~string152.base, 2 + #t~string152.offset, 1);call write~init~int(112, #t~string152.base, 3 + #t~string152.offset, 1);call write~init~int(58, #t~string152.base, 4 + #t~string152.offset, 1);call write~init~int(0, #t~string152.base, 5 + #t~string152.offset, 1);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string155.base, #t~string155.offset, 1);call write~init~int(37, #t~string155.base, 1 + #t~string155.offset, 1);call write~init~int(105, #t~string155.base, 2 + #t~string155.offset, 1);call write~init~int(0, #t~string155.base, 3 + #t~string155.offset, 1);call #t~string158.base, #t~string158.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string158.base, #t~string158.offset, 1);call write~init~int(37, #t~string158.base, 1 + #t~string158.offset, 1);call write~init~int(105, #t~string158.base, 2 + #t~string158.offset, 1);call write~init~int(0, #t~string158.base, 3 + #t~string158.offset, 1);call #t~string161.base, #t~string161.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string161.base, #t~string161.offset, 1);call write~init~int(37, #t~string161.base, 1 + #t~string161.offset, 1);call write~init~int(105, #t~string161.base, 2 + #t~string161.offset, 1);call write~init~int(0, #t~string161.base, 3 + #t~string161.offset, 1);call #t~string164.base, #t~string164.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string164.base, #t~string164.offset, 1);call write~init~int(37, #t~string164.base, 1 + #t~string164.offset, 1);call write~init~int(105, #t~string164.base, 2 + #t~string164.offset, 1);call write~init~int(0, #t~string164.base, 3 + #t~string164.offset, 1);call #t~string167.base, #t~string167.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string167.base, #t~string167.offset, 1);call write~init~int(37, #t~string167.base, 1 + #t~string167.offset, 1);call write~init~int(105, #t~string167.base, 2 + #t~string167.offset, 1);call write~init~int(0, #t~string167.base, 3 + #t~string167.offset, 1);call #t~string169.base, #t~string169.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string169.base, #t~string169.offset, 1);call write~init~int(0, #t~string169.base, 1 + #t~string169.offset, 1);call #t~string172.base, #t~string172.offset := #Ultimate.allocOnStack(9);~cleanupTimeShifts~0 := 12;~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~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; 255745#L-1 havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~4, main_~tmp~8;havoc main_~retValue_acc~4;havoc main_~tmp~8; 254158#L926 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 254159#L934 main_#t~ret20 := valid_product_#res;main_~tmp~8 := main_#t~ret20;havoc main_#t~ret20; 255067#L524 assume 0 != main_~tmp~8; 259943#L498 havoc bigMacCall_#t~ret13, bigMacCall_~tmp~5;havoc bigMacCall_~tmp~5;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~1;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~1; 259944#L87 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~1 := 4;getOrigin_#res := getOrigin_~retValue_acc~1; 266964#L112 bigMacCall_#t~ret13 := getOrigin_#res;bigMacCall_~tmp~5 := bigMacCall_#t~ret13;havoc bigMacCall_#t~ret13;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~5;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 266965#L1394 assume 0 == initPersonOnFloor_~floor; 269580#L1395 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 262056#L1502-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 259600#L1186 assume !(0 == callOnFloor_~floorID); 259486#L1189 assume 1 == callOnFloor_~floorID;~calls_1~0 := 1; 258935#L1198-2 havoc timeShift_#t~ret123, timeShift_~tmp~28;havoc timeShift_~tmp~28;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; 260074#L1958 timeShift_#t~ret123 := areDoorsOpen_#res;timeShift_~tmp~28 := timeShift_#t~ret123;havoc timeShift_#t~ret123; 257613#L2969 assume 0 != timeShift_~tmp~28; 257614#L2970 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 270189#L2614-11 havoc __utac_acc__Specification14_spec__1_#t~ret175, __utac_acc__Specification14_spec__1_#t~ret176, __utac_acc__Specification14_spec__1_#t~ret177, __utac_acc__Specification14_spec__1_#t~ret178, __utac_acc__Specification14_spec__1_~tmp~31, __utac_acc__Specification14_spec__1_~tmp___0~13, __utac_acc__Specification14_spec__1_~tmp___1~8, __utac_acc__Specification14_spec__1_~tmp___2~6;havoc __utac_acc__Specification14_spec__1_~tmp~31;havoc __utac_acc__Specification14_spec__1_~tmp___0~13;havoc __utac_acc__Specification14_spec__1_~tmp___1~8;havoc __utac_acc__Specification14_spec__1_~tmp___2~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret174, isExecutiveFloorCalling_~retValue_acc~30;havoc isExecutiveFloorCalling_~retValue_acc~30;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~10;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~10; 261926#L1123-130 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~10 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~10; 261928#L1150-130 isExecutiveFloorCalling_#t~ret174 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~30 := isExecutiveFloorCalling_#t~ret174;havoc isExecutiveFloorCalling_#t~ret174;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~30; 261475#L3349-6 __utac_acc__Specification14_spec__1_#t~ret175 := isExecutiveFloorCalling_#res;__utac_acc__Specification14_spec__1_~tmp___2~6 := __utac_acc__Specification14_spec__1_#t~ret175;havoc __utac_acc__Specification14_spec__1_#t~ret175; 261476#L3382 assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6); 254142#L3382-1 havoc timeShift_#t~ret123, timeShift_~tmp~28;havoc timeShift_~tmp~28;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; 260614#L1958-2 timeShift_#t~ret123 := areDoorsOpen_#res;timeShift_~tmp~28 := timeShift_#t~ret123;havoc timeShift_#t~ret123; 257619#L2969-1 assume 0 != timeShift_~tmp~28; 257621#L2970-2 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 256957#L2614-23 havoc __utac_acc__Specification14_spec__1_#t~ret175, __utac_acc__Specification14_spec__1_#t~ret176, __utac_acc__Specification14_spec__1_#t~ret177, __utac_acc__Specification14_spec__1_#t~ret178, __utac_acc__Specification14_spec__1_~tmp~31, __utac_acc__Specification14_spec__1_~tmp___0~13, __utac_acc__Specification14_spec__1_~tmp___1~8, __utac_acc__Specification14_spec__1_~tmp___2~6;havoc __utac_acc__Specification14_spec__1_~tmp~31;havoc __utac_acc__Specification14_spec__1_~tmp___0~13;havoc __utac_acc__Specification14_spec__1_~tmp___1~8;havoc __utac_acc__Specification14_spec__1_~tmp___2~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret174, isExecutiveFloorCalling_~retValue_acc~30;havoc isExecutiveFloorCalling_~retValue_acc~30;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~10;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~10; 265408#L1123-261 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~10 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~10; 264095#L1150-261 isExecutiveFloorCalling_#t~ret174 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~30 := isExecutiveFloorCalling_#t~ret174;havoc isExecutiveFloorCalling_#t~ret174;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~30; 261422#L3349-13 __utac_acc__Specification14_spec__1_#t~ret175 := isExecutiveFloorCalling_#res;__utac_acc__Specification14_spec__1_~tmp___2~6 := __utac_acc__Specification14_spec__1_#t~ret175;havoc __utac_acc__Specification14_spec__1_#t~ret175; 261423#L3382-2 assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6); 254139#L3382-3 havoc timeShift_#t~ret123, timeShift_~tmp~28;havoc timeShift_~tmp~28;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; 260615#L1958-4 timeShift_#t~ret123 := areDoorsOpen_#res;timeShift_~tmp~28 := timeShift_#t~ret123;havoc timeShift_#t~ret123; 257616#L2969-2 assume 0 != timeShift_~tmp~28; 257617#L2970-4 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 273109#L2614-35 havoc __utac_acc__Specification14_spec__1_#t~ret175, __utac_acc__Specification14_spec__1_#t~ret176, __utac_acc__Specification14_spec__1_#t~ret177, __utac_acc__Specification14_spec__1_#t~ret178, __utac_acc__Specification14_spec__1_~tmp~31, __utac_acc__Specification14_spec__1_~tmp___0~13, __utac_acc__Specification14_spec__1_~tmp___1~8, __utac_acc__Specification14_spec__1_~tmp___2~6;havoc __utac_acc__Specification14_spec__1_~tmp~31;havoc __utac_acc__Specification14_spec__1_~tmp___0~13;havoc __utac_acc__Specification14_spec__1_~tmp___1~8;havoc __utac_acc__Specification14_spec__1_~tmp___2~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret174, isExecutiveFloorCalling_~retValue_acc~30;havoc isExecutiveFloorCalling_~retValue_acc~30;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~10;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~10; 264427#L1123-392 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~10 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~10; 264046#L1150-392 isExecutiveFloorCalling_#t~ret174 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~30 := isExecutiveFloorCalling_#t~ret174;havoc isExecutiveFloorCalling_#t~ret174;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~30; 261418#L3349-20 __utac_acc__Specification14_spec__1_#t~ret175 := isExecutiveFloorCalling_#res;__utac_acc__Specification14_spec__1_~tmp___2~6 := __utac_acc__Specification14_spec__1_#t~ret175;havoc __utac_acc__Specification14_spec__1_#t~ret175; 261419#L3382-4 assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6); 254274#L3382-5 havoc bobCall_#t~ret8, bobCall_~tmp~0;havoc bobCall_~tmp~0;getOrigin_#in~person := 0;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~1;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~1; 261018#L87-1 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~1 := 4;getOrigin_#res := getOrigin_~retValue_acc~1; 266960#L112-1 bobCall_#t~ret8 := getOrigin_#res;bobCall_~tmp~0 := bobCall_#t~ret8;havoc bobCall_#t~ret8;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 0, bobCall_~tmp~0;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 266961#L1394-1 assume 0 == initPersonOnFloor_~floor; 269581#L1395-2 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 262076#L1502-3 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 259604#L1186-2 assume !(0 == callOnFloor_~floorID); 259462#L1189-2 assume 1 == callOnFloor_~floorID;~calls_1~0 := 1; 259308#L1198-5 havoc cleanup_#t~ret14, cleanup_#t~ret15, cleanup_~i~0, cleanup_~tmp~6, cleanup_~tmp___0~0, cleanup_~__cil_tmp4~0;havoc cleanup_~i~0;havoc cleanup_~tmp~6;havoc cleanup_~tmp___0~0;havoc cleanup_~__cil_tmp4~0;havoc timeShift_#t~ret123, timeShift_~tmp~28;havoc timeShift_~tmp~28;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; 260626#L1958-6 timeShift_#t~ret123 := areDoorsOpen_#res;timeShift_~tmp~28 := timeShift_#t~ret123;havoc timeShift_#t~ret123; 260627#L2969-3 assume 0 != timeShift_~tmp~28; 257706#L2970-6 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 257117#L2614-47 havoc __utac_acc__Specification14_spec__1_#t~ret175, __utac_acc__Specification14_spec__1_#t~ret176, __utac_acc__Specification14_spec__1_#t~ret177, __utac_acc__Specification14_spec__1_#t~ret178, __utac_acc__Specification14_spec__1_~tmp~31, __utac_acc__Specification14_spec__1_~tmp___0~13, __utac_acc__Specification14_spec__1_~tmp___1~8, __utac_acc__Specification14_spec__1_~tmp___2~6;havoc __utac_acc__Specification14_spec__1_~tmp~31;havoc __utac_acc__Specification14_spec__1_~tmp___0~13;havoc __utac_acc__Specification14_spec__1_~tmp___1~8;havoc __utac_acc__Specification14_spec__1_~tmp___2~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret174, isExecutiveFloorCalling_~retValue_acc~30;havoc isExecutiveFloorCalling_~retValue_acc~30;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~10;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~10; 263872#L1123-523 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~10 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~10; 263873#L1150-523 isExecutiveFloorCalling_#t~ret174 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~30 := isExecutiveFloorCalling_#t~ret174;havoc isExecutiveFloorCalling_#t~ret174;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~30; 261389#L3349-27 __utac_acc__Specification14_spec__1_#t~ret175 := isExecutiveFloorCalling_#res;__utac_acc__Specification14_spec__1_~tmp___2~6 := __utac_acc__Specification14_spec__1_#t~ret175;havoc __utac_acc__Specification14_spec__1_#t~ret175; 261390#L3382-6 assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6); 254279#L3382-7 cleanup_~i~0 := 0; 276044#L328-2 [2020-11-29 20:50:04,041 INFO L796 eck$LassoCheckResult]: Loop: 276044#L328-2 assume !false; 275928#L329 cleanup_~__cil_tmp4~0 := ~cleanupTimeShifts~0 - 1; 275915#L332 assume cleanup_~i~0 < cleanup_~__cil_tmp4~0;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~13;havoc isBlocked_~retValue_acc~13;isBlocked_~retValue_acc~13 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~13; 273166#L1776 cleanup_#t~ret14 := isBlocked_#res;cleanup_~tmp___0~0 := cleanup_#t~ret14;havoc cleanup_#t~ret14; 273113#L336 assume 1 != cleanup_~tmp___0~0; 270185#L336-1 havoc isIdle_#res;havoc isIdle_#t~ret71, isIdle_~retValue_acc~20, isIdle_~tmp~18;havoc isIdle_~retValue_acc~20;havoc isIdle_~tmp~18;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret66, anyStopRequested_#t~ret67, anyStopRequested_#t~ret68, anyStopRequested_#t~ret69, anyStopRequested_#t~ret70, anyStopRequested_~retValue_acc~19, anyStopRequested_~tmp~17, anyStopRequested_~tmp___0~4, anyStopRequested_~tmp___1~3, anyStopRequested_~tmp___2~1, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~19;havoc anyStopRequested_~tmp~17;havoc anyStopRequested_~tmp___0~4;havoc anyStopRequested_~tmp___1~3;havoc anyStopRequested_~tmp___2~1;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~10;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~10; 270182#L1123-524 assume !(0 == isFloorCalling_~floorID); 270183#L1127-524 assume 1 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~10 := ~calls_1~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~10; 284641#L1150-524 anyStopRequested_#t~ret66 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret66;havoc anyStopRequested_#t~ret66; 284639#L2057 assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~19 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~19; 284569#L2121 isIdle_#t~ret71 := anyStopRequested_#res;isIdle_~tmp~18 := isIdle_#t~ret71;havoc isIdle_#t~ret71;isIdle_~retValue_acc~20 := (if 0 == isIdle_~tmp~18 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~20; 284567#L2134 cleanup_#t~ret15 := isIdle_#res;cleanup_~tmp~6 := cleanup_#t~ret15;havoc cleanup_#t~ret15; 284566#L348 assume !(0 != cleanup_~tmp~6);havoc timeShift_#t~ret123, timeShift_~tmp~28;havoc timeShift_~tmp~28;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; 283471#L1958-8 timeShift_#t~ret123 := areDoorsOpen_#res;timeShift_~tmp~28 := timeShift_#t~ret123;havoc timeShift_#t~ret123; 283441#L2969-4 assume 0 != timeShift_~tmp~28; 283429#L2970-8 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 276088#L2614-59 havoc __utac_acc__Specification14_spec__1_#t~ret175, __utac_acc__Specification14_spec__1_#t~ret176, __utac_acc__Specification14_spec__1_#t~ret177, __utac_acc__Specification14_spec__1_#t~ret178, __utac_acc__Specification14_spec__1_~tmp~31, __utac_acc__Specification14_spec__1_~tmp___0~13, __utac_acc__Specification14_spec__1_~tmp___1~8, __utac_acc__Specification14_spec__1_~tmp___2~6;havoc __utac_acc__Specification14_spec__1_~tmp~31;havoc __utac_acc__Specification14_spec__1_~tmp___0~13;havoc __utac_acc__Specification14_spec__1_~tmp___1~8;havoc __utac_acc__Specification14_spec__1_~tmp___2~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret174, isExecutiveFloorCalling_~retValue_acc~30;havoc isExecutiveFloorCalling_~retValue_acc~30;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~10;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~10; 268719#L1123-659 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~10 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~10; 267776#L1150-659 isExecutiveFloorCalling_#t~ret174 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~30 := isExecutiveFloorCalling_#t~ret174;havoc isExecutiveFloorCalling_#t~ret174;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~30; 276082#L3349-34 __utac_acc__Specification14_spec__1_#t~ret175 := isExecutiveFloorCalling_#res;__utac_acc__Specification14_spec__1_~tmp___2~6 := __utac_acc__Specification14_spec__1_#t~ret175;havoc __utac_acc__Specification14_spec__1_#t~ret175; 276080#L3382-8 assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6); 276073#L3382-9 cleanup_~i~0 := 1 + cleanup_~i~0; 276044#L328-2 [2020-11-29 20:50:04,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:04,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1679293097, now seen corresponding path program 1 times [2020-11-29 20:50:04,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:04,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248723713] [2020-11-29 20:50:04,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:04,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:50:04,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248723713] [2020-11-29 20:50:04,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:04,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:04,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439561213] [2020-11-29 20:50:04,197 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 20:50:04,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:04,197 INFO L82 PathProgramCache]: Analyzing trace with hash 985598402, now seen corresponding path program 1 times [2020-11-29 20:50:04,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:04,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106403579] [2020-11-29 20:50:04,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:04,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:50:04,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106403579] [2020-11-29 20:50:04,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:04,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:04,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295386426] [2020-11-29 20:50:04,217 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 20:50:04,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:04,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:04,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:04,218 INFO L87 Difference]: Start difference. First operand 34911 states and 65830 transitions. cyclomatic complexity: 30920 Second operand 3 states. [2020-11-29 20:50:13,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:13,356 INFO L93 Difference]: Finished difference Result 61617 states and 115304 transitions. [2020-11-29 20:50:13,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:13,356 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61617 states and 115304 transitions. [2020-11-29 20:50:13,654 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12339 [2020-11-29 20:50:14,291 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61617 states to 61617 states and 115304 transitions. [2020-11-29 20:50:14,292 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 61617 [2020-11-29 20:50:14,370 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 61617 [2020-11-29 20:50:14,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61617 states and 115304 transitions. [2020-11-29 20:50:14,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 20:50:14,462 INFO L691 BuchiCegarLoop]: Abstraction has 61617 states and 115304 transitions. [2020-11-29 20:50:14,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61617 states and 115304 transitions. [2020-11-29 20:50:15,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61617 to 33906. [2020-11-29 20:50:15,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33906 states. [2020-11-29 20:50:15,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33906 states to 33906 states and 63584 transitions. [2020-11-29 20:50:15,181 INFO L714 BuchiCegarLoop]: Abstraction has 33906 states and 63584 transitions. [2020-11-29 20:50:15,182 INFO L594 BuchiCegarLoop]: Abstraction has 33906 states and 63584 transitions. [2020-11-29 20:50:15,182 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-29 20:50:15,182 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33906 states and 63584 transitions. [2020-11-29 20:50:15,309 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6796 [2020-11-29 20:50:15,310 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:50:15,310 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:50:15,315 INFO L852 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:50:15,315 INFO L853 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] [2020-11-29 20:50:15,315 INFO L794 eck$LassoCheckResult]: Stem: 352268#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(32);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(10);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string126.base, #t~string126.offset, 1);call write~init~int(95, #t~string126.base, 1 + #t~string126.offset, 1);call write~init~int(93, #t~string126.base, 2 + #t~string126.offset, 1);call write~init~int(0, #t~string126.base, 3 + #t~string126.offset, 1);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string128.base, #t~string128.offset, 1);call write~init~int(93, #t~string128.base, 1 + #t~string128.offset, 1);call write~init~int(32, #t~string128.base, 2 + #t~string128.offset, 1);call write~init~int(0, #t~string128.base, 3 + #t~string128.offset, 1);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string130.base, #t~string130.offset, 1);call write~init~int(97, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(116, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(32, #t~string130.base, 3 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 4 + #t~string130.offset, 1);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string132.base, #t~string132.offset, 1);call write~init~int(105, #t~string132.base, 1 + #t~string132.offset, 1);call write~init~int(0, #t~string132.base, 2 + #t~string132.offset, 1);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(10);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string136.base, #t~string136.offset, 1);call write~init~int(112, #t~string136.base, 1 + #t~string136.offset, 1);call write~init~int(0, #t~string136.base, 2 + #t~string136.offset, 1);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string138.base, #t~string138.offset, 1);call write~init~int(111, #t~string138.base, 1 + #t~string138.offset, 1);call write~init~int(119, #t~string138.base, 2 + #t~string138.offset, 1);call write~init~int(110, #t~string138.base, 3 + #t~string138.offset, 1);call write~init~int(0, #t~string138.base, 4 + #t~string138.offset, 1);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string140.base, #t~string140.offset, 1);call write~init~int(73, #t~string140.base, 1 + #t~string140.offset, 1);call write~init~int(76, #t~string140.base, 2 + #t~string140.offset, 1);call write~init~int(95, #t~string140.base, 3 + #t~string140.offset, 1);call write~init~int(112, #t~string140.base, 4 + #t~string140.offset, 1);call write~init~int(58, #t~string140.base, 5 + #t~string140.offset, 1);call write~init~int(0, #t~string140.base, 6 + #t~string140.offset, 1);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string142.base, #t~string142.offset, 1);call write~init~int(37, #t~string142.base, 1 + #t~string142.offset, 1);call write~init~int(105, #t~string142.base, 2 + #t~string142.offset, 1);call write~init~int(0, #t~string142.base, 3 + #t~string142.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~string146.base, #t~string146.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string146.base, #t~string146.offset, 1);call write~init~int(37, #t~string146.base, 1 + #t~string146.offset, 1);call write~init~int(105, #t~string146.base, 2 + #t~string146.offset, 1);call write~init~int(0, #t~string146.base, 3 + #t~string146.offset, 1);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string148.base, #t~string148.offset, 1);call write~init~int(37, #t~string148.base, 1 + #t~string148.offset, 1);call write~init~int(105, #t~string148.base, 2 + #t~string148.offset, 1);call write~init~int(0, #t~string148.base, 3 + #t~string148.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(6);call write~init~int(32, #t~string152.base, #t~string152.offset, 1);call write~init~int(70, #t~string152.base, 1 + #t~string152.offset, 1);call write~init~int(95, #t~string152.base, 2 + #t~string152.offset, 1);call write~init~int(112, #t~string152.base, 3 + #t~string152.offset, 1);call write~init~int(58, #t~string152.base, 4 + #t~string152.offset, 1);call write~init~int(0, #t~string152.base, 5 + #t~string152.offset, 1);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string155.base, #t~string155.offset, 1);call write~init~int(37, #t~string155.base, 1 + #t~string155.offset, 1);call write~init~int(105, #t~string155.base, 2 + #t~string155.offset, 1);call write~init~int(0, #t~string155.base, 3 + #t~string155.offset, 1);call #t~string158.base, #t~string158.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string158.base, #t~string158.offset, 1);call write~init~int(37, #t~string158.base, 1 + #t~string158.offset, 1);call write~init~int(105, #t~string158.base, 2 + #t~string158.offset, 1);call write~init~int(0, #t~string158.base, 3 + #t~string158.offset, 1);call #t~string161.base, #t~string161.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string161.base, #t~string161.offset, 1);call write~init~int(37, #t~string161.base, 1 + #t~string161.offset, 1);call write~init~int(105, #t~string161.base, 2 + #t~string161.offset, 1);call write~init~int(0, #t~string161.base, 3 + #t~string161.offset, 1);call #t~string164.base, #t~string164.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string164.base, #t~string164.offset, 1);call write~init~int(37, #t~string164.base, 1 + #t~string164.offset, 1);call write~init~int(105, #t~string164.base, 2 + #t~string164.offset, 1);call write~init~int(0, #t~string164.base, 3 + #t~string164.offset, 1);call #t~string167.base, #t~string167.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string167.base, #t~string167.offset, 1);call write~init~int(37, #t~string167.base, 1 + #t~string167.offset, 1);call write~init~int(105, #t~string167.base, 2 + #t~string167.offset, 1);call write~init~int(0, #t~string167.base, 3 + #t~string167.offset, 1);call #t~string169.base, #t~string169.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string169.base, #t~string169.offset, 1);call write~init~int(0, #t~string169.base, 1 + #t~string169.offset, 1);call #t~string172.base, #t~string172.offset := #Ultimate.allocOnStack(9);~cleanupTimeShifts~0 := 12;~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~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; 352269#L-1 havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~4, main_~tmp~8;havoc main_~retValue_acc~4;havoc main_~tmp~8; 350690#L926 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 350691#L934 main_#t~ret20 := valid_product_#res;main_~tmp~8 := main_#t~ret20;havoc main_#t~ret20; 351589#L524 assume 0 != main_~tmp~8; 356506#L498 havoc bigMacCall_#t~ret13, bigMacCall_~tmp~5;havoc bigMacCall_~tmp~5;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~1;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~1; 356507#L87 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~1 := 4;getOrigin_#res := getOrigin_~retValue_acc~1; 363128#L112 bigMacCall_#t~ret13 := getOrigin_#res;bigMacCall_~tmp~5 := bigMacCall_#t~ret13;havoc bigMacCall_#t~ret13;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~5;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 363129#L1394 assume 0 == initPersonOnFloor_~floor; 365555#L1395 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 358571#L1502-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 356164#L1186 assume !(0 == callOnFloor_~floorID); 356049#L1189 assume 1 == callOnFloor_~floorID;~calls_1~0 := 1; 355486#L1198-2 havoc timeShift_#t~ret123, timeShift_~tmp~28;havoc timeShift_~tmp~28;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; 356642#L1958 timeShift_#t~ret123 := areDoorsOpen_#res;timeShift_~tmp~28 := timeShift_#t~ret123;havoc timeShift_#t~ret123; 357189#L2969 assume 0 != timeShift_~tmp~28; 354298#L2970 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 353473#L2614-11 havoc __utac_acc__Specification14_spec__1_#t~ret175, __utac_acc__Specification14_spec__1_#t~ret176, __utac_acc__Specification14_spec__1_#t~ret177, __utac_acc__Specification14_spec__1_#t~ret178, __utac_acc__Specification14_spec__1_~tmp~31, __utac_acc__Specification14_spec__1_~tmp___0~13, __utac_acc__Specification14_spec__1_~tmp___1~8, __utac_acc__Specification14_spec__1_~tmp___2~6;havoc __utac_acc__Specification14_spec__1_~tmp~31;havoc __utac_acc__Specification14_spec__1_~tmp___0~13;havoc __utac_acc__Specification14_spec__1_~tmp___1~8;havoc __utac_acc__Specification14_spec__1_~tmp___2~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret174, isExecutiveFloorCalling_~retValue_acc~30;havoc isExecutiveFloorCalling_~retValue_acc~30;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~10;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~10; 356347#L1123-130 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~10 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~10; 376036#L1150-130 isExecutiveFloorCalling_#t~ret174 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~30 := isExecutiveFloorCalling_#t~ret174;havoc isExecutiveFloorCalling_#t~ret174;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~30; 376004#L3349-6 __utac_acc__Specification14_spec__1_#t~ret175 := isExecutiveFloorCalling_#res;__utac_acc__Specification14_spec__1_~tmp___2~6 := __utac_acc__Specification14_spec__1_#t~ret175;havoc __utac_acc__Specification14_spec__1_#t~ret175; 376001#L3382 assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6); 375994#L3382-1 havoc timeShift_#t~ret123, timeShift_~tmp~28;havoc timeShift_~tmp~28;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; 375992#L1958-2 timeShift_#t~ret123 := areDoorsOpen_#res;timeShift_~tmp~28 := timeShift_#t~ret123;havoc timeShift_#t~ret123; 375905#L2969-1 assume 0 != timeShift_~tmp~28; 375889#L2970-2 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 356327#L2614-23 havoc __utac_acc__Specification14_spec__1_#t~ret175, __utac_acc__Specification14_spec__1_#t~ret176, __utac_acc__Specification14_spec__1_#t~ret177, __utac_acc__Specification14_spec__1_#t~ret178, __utac_acc__Specification14_spec__1_~tmp~31, __utac_acc__Specification14_spec__1_~tmp___0~13, __utac_acc__Specification14_spec__1_~tmp___1~8, __utac_acc__Specification14_spec__1_~tmp___2~6;havoc __utac_acc__Specification14_spec__1_~tmp~31;havoc __utac_acc__Specification14_spec__1_~tmp___0~13;havoc __utac_acc__Specification14_spec__1_~tmp___1~8;havoc __utac_acc__Specification14_spec__1_~tmp___2~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret174, isExecutiveFloorCalling_~retValue_acc~30;havoc isExecutiveFloorCalling_~retValue_acc~30;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~10;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~10; 356328#L1123-261 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~10 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~10; 375732#L1150-261 isExecutiveFloorCalling_#t~ret174 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~30 := isExecutiveFloorCalling_#t~ret174;havoc isExecutiveFloorCalling_#t~ret174;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~30; 375731#L3349-13 __utac_acc__Specification14_spec__1_#t~ret175 := isExecutiveFloorCalling_#res;__utac_acc__Specification14_spec__1_~tmp___2~6 := __utac_acc__Specification14_spec__1_#t~ret175;havoc __utac_acc__Specification14_spec__1_#t~ret175; 357562#L3382-2 assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6); 350671#L3382-3 havoc timeShift_#t~ret123, timeShift_~tmp~28;havoc timeShift_~tmp~28;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; 373733#L1958-4 timeShift_#t~ret123 := areDoorsOpen_#res;timeShift_~tmp~28 := timeShift_#t~ret123;havoc timeShift_#t~ret123; 371168#L2969-2 assume 0 != timeShift_~tmp~28; 371150#L2970-4 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 371140#L2614-35 havoc __utac_acc__Specification14_spec__1_#t~ret175, __utac_acc__Specification14_spec__1_#t~ret176, __utac_acc__Specification14_spec__1_#t~ret177, __utac_acc__Specification14_spec__1_#t~ret178, __utac_acc__Specification14_spec__1_~tmp~31, __utac_acc__Specification14_spec__1_~tmp___0~13, __utac_acc__Specification14_spec__1_~tmp___1~8, __utac_acc__Specification14_spec__1_~tmp___2~6;havoc __utac_acc__Specification14_spec__1_~tmp~31;havoc __utac_acc__Specification14_spec__1_~tmp___0~13;havoc __utac_acc__Specification14_spec__1_~tmp___1~8;havoc __utac_acc__Specification14_spec__1_~tmp___2~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret174, isExecutiveFloorCalling_~retValue_acc~30;havoc isExecutiveFloorCalling_~retValue_acc~30;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~10;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~10; 371139#L1123-392 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~10 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~10; 371112#L1150-392 isExecutiveFloorCalling_#t~ret174 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~30 := isExecutiveFloorCalling_#t~ret174;havoc isExecutiveFloorCalling_#t~ret174;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~30; 371105#L3349-20 __utac_acc__Specification14_spec__1_#t~ret175 := isExecutiveFloorCalling_#res;__utac_acc__Specification14_spec__1_~tmp___2~6 := __utac_acc__Specification14_spec__1_#t~ret175;havoc __utac_acc__Specification14_spec__1_#t~ret175; 371097#L3382-4 assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6); 370551#L3382-5 havoc bobCall_#t~ret8, bobCall_~tmp~0;havoc bobCall_~tmp~0;getOrigin_#in~person := 0;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~1;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~1; 370548#L87-1 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~1 := 4;getOrigin_#res := getOrigin_~retValue_acc~1; 370541#L112-1 bobCall_#t~ret8 := getOrigin_#res;bobCall_~tmp~0 := bobCall_#t~ret8;havoc bobCall_#t~ret8;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 0, bobCall_~tmp~0;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 367374#L1394-1 assume 0 == initPersonOnFloor_~floor; 367368#L1395-2 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 367336#L1502-3 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 367335#L1186-2 assume !(0 == callOnFloor_~floorID); 366239#L1189-2 assume 1 == callOnFloor_~floorID;~calls_1~0 := 1; 366236#L1198-5 havoc cleanup_#t~ret14, cleanup_#t~ret15, cleanup_~i~0, cleanup_~tmp~6, cleanup_~tmp___0~0, cleanup_~__cil_tmp4~0;havoc cleanup_~i~0;havoc cleanup_~tmp~6;havoc cleanup_~tmp___0~0;havoc cleanup_~__cil_tmp4~0;havoc timeShift_#t~ret123, timeShift_~tmp~28;havoc timeShift_~tmp~28;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; 366234#L1958-6 timeShift_#t~ret123 := areDoorsOpen_#res;timeShift_~tmp~28 := timeShift_#t~ret123;havoc timeShift_#t~ret123; 366230#L2969-3 assume 0 != timeShift_~tmp~28; 366197#L2970-6 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 366183#L2614-47 havoc __utac_acc__Specification14_spec__1_#t~ret175, __utac_acc__Specification14_spec__1_#t~ret176, __utac_acc__Specification14_spec__1_#t~ret177, __utac_acc__Specification14_spec__1_#t~ret178, __utac_acc__Specification14_spec__1_~tmp~31, __utac_acc__Specification14_spec__1_~tmp___0~13, __utac_acc__Specification14_spec__1_~tmp___1~8, __utac_acc__Specification14_spec__1_~tmp___2~6;havoc __utac_acc__Specification14_spec__1_~tmp~31;havoc __utac_acc__Specification14_spec__1_~tmp___0~13;havoc __utac_acc__Specification14_spec__1_~tmp___1~8;havoc __utac_acc__Specification14_spec__1_~tmp___2~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret174, isExecutiveFloorCalling_~retValue_acc~30;havoc isExecutiveFloorCalling_~retValue_acc~30;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~10;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~10; 366181#L1123-523 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~10 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~10; 366176#L1150-523 isExecutiveFloorCalling_#t~ret174 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~30 := isExecutiveFloorCalling_#t~ret174;havoc isExecutiveFloorCalling_#t~ret174;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~30; 366172#L3349-27 __utac_acc__Specification14_spec__1_#t~ret175 := isExecutiveFloorCalling_#res;__utac_acc__Specification14_spec__1_~tmp___2~6 := __utac_acc__Specification14_spec__1_#t~ret175;havoc __utac_acc__Specification14_spec__1_#t~ret175; 366163#L3382-6 assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6); 366160#L3382-7 cleanup_~i~0 := 0; 366159#L328-2 [2020-11-29 20:50:15,315 INFO L796 eck$LassoCheckResult]: Loop: 366159#L328-2 assume !false; 366158#L329 cleanup_~__cil_tmp4~0 := ~cleanupTimeShifts~0 - 1; 366157#L332 assume cleanup_~i~0 < cleanup_~__cil_tmp4~0;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~13;havoc isBlocked_~retValue_acc~13;isBlocked_~retValue_acc~13 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~13; 366156#L1776 cleanup_#t~ret14 := isBlocked_#res;cleanup_~tmp___0~0 := cleanup_#t~ret14;havoc cleanup_#t~ret14; 366155#L336 assume 1 != cleanup_~tmp___0~0; 366154#L336-1 havoc isIdle_#res;havoc isIdle_#t~ret71, isIdle_~retValue_acc~20, isIdle_~tmp~18;havoc isIdle_~retValue_acc~20;havoc isIdle_~tmp~18;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret66, anyStopRequested_#t~ret67, anyStopRequested_#t~ret68, anyStopRequested_#t~ret69, anyStopRequested_#t~ret70, anyStopRequested_~retValue_acc~19, anyStopRequested_~tmp~17, anyStopRequested_~tmp___0~4, anyStopRequested_~tmp___1~3, anyStopRequested_~tmp___2~1, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~19;havoc anyStopRequested_~tmp~17;havoc anyStopRequested_~tmp___0~4;havoc anyStopRequested_~tmp___1~3;havoc anyStopRequested_~tmp___2~1;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~10;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~10; 366153#L1123-524 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~10 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~10; 366152#L1150-524 anyStopRequested_#t~ret66 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret66;havoc anyStopRequested_#t~ret66; 366151#L2057 assume !(0 != anyStopRequested_~tmp___3~0); 352622#L2061 assume 0 != ~floorButtons_0~0;anyStopRequested_~retValue_acc~19 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~19; 352624#L2121 isIdle_#t~ret71 := anyStopRequested_#res;isIdle_~tmp~18 := isIdle_#t~ret71;havoc isIdle_#t~ret71;isIdle_~retValue_acc~20 := (if 0 == isIdle_~tmp~18 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~20; 367125#L2134 cleanup_#t~ret15 := isIdle_#res;cleanup_~tmp~6 := cleanup_#t~ret15;havoc cleanup_#t~ret15; 367124#L348 assume !(0 != cleanup_~tmp~6);havoc timeShift_#t~ret123, timeShift_~tmp~28;havoc timeShift_~tmp~28;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; 367123#L1958-8 timeShift_#t~ret123 := areDoorsOpen_#res;timeShift_~tmp~28 := timeShift_#t~ret123;havoc timeShift_#t~ret123; 367122#L2969-4 assume 0 != timeShift_~tmp~28; 366222#L2970-8 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 366189#L2614-59 havoc __utac_acc__Specification14_spec__1_#t~ret175, __utac_acc__Specification14_spec__1_#t~ret176, __utac_acc__Specification14_spec__1_#t~ret177, __utac_acc__Specification14_spec__1_#t~ret178, __utac_acc__Specification14_spec__1_~tmp~31, __utac_acc__Specification14_spec__1_~tmp___0~13, __utac_acc__Specification14_spec__1_~tmp___1~8, __utac_acc__Specification14_spec__1_~tmp___2~6;havoc __utac_acc__Specification14_spec__1_~tmp~31;havoc __utac_acc__Specification14_spec__1_~tmp___0~13;havoc __utac_acc__Specification14_spec__1_~tmp___1~8;havoc __utac_acc__Specification14_spec__1_~tmp___2~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret174, isExecutiveFloorCalling_~retValue_acc~30;havoc isExecutiveFloorCalling_~retValue_acc~30;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~10;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~10; 366188#L1123-659 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~10 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~10; 366177#L1150-659 isExecutiveFloorCalling_#t~ret174 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~30 := isExecutiveFloorCalling_#t~ret174;havoc isExecutiveFloorCalling_#t~ret174;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~30; 366174#L3349-34 __utac_acc__Specification14_spec__1_#t~ret175 := isExecutiveFloorCalling_#res;__utac_acc__Specification14_spec__1_~tmp___2~6 := __utac_acc__Specification14_spec__1_#t~ret175;havoc __utac_acc__Specification14_spec__1_#t~ret175; 366167#L3382-8 assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6); 366161#L3382-9 cleanup_~i~0 := 1 + cleanup_~i~0; 366159#L328-2 [2020-11-29 20:50:15,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:15,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1679293097, now seen corresponding path program 2 times [2020-11-29 20:50:15,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:15,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240030715] [2020-11-29 20:50:15,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:15,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:50:15,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240030715] [2020-11-29 20:50:15,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:15,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:15,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809600794] [2020-11-29 20:50:15,421 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 20:50:15,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:15,422 INFO L82 PathProgramCache]: Analyzing trace with hash 885539191, now seen corresponding path program 1 times [2020-11-29 20:50:15,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:15,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982681637] [2020-11-29 20:50:15,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:50:15,433 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:50:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:50:15,441 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:50:15,496 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:50:16,146 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2020-11-29 20:50:16,435 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2020-11-29 20:50:16,455 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 20:50:16,456 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 20:50:16,456 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 20:50:16,456 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 20:50:16,456 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 20:50:16,457 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:50:16,457 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 20:50:16,457 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 20:50:16,457 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec14_product32.cil.c_Iteration3_Loop [2020-11-29 20:50:16,457 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 20:50:16,458 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 20:50:16,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:16,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:17,180 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 20:50:17,181 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:50:17,213 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 20:50:17,213 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 20:50:17,226 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 20:50:17,226 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~calls_0~0=0, ULTIMATE.start_anyStopRequested_~tmp___3~0=0, ULTIMATE.start_isFloorCalling_~retValue_acc~10=0} Honda state: {~calls_0~0=0, ULTIMATE.start_anyStopRequested_~tmp___3~0=0, ULTIMATE.start_isFloorCalling_~retValue_acc~10=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:50:17,271 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 20:50:17,271 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:50:17,290 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 20:50:17,290 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_~tmp___1~3=0} Honda state: {ULTIMATE.start_anyStopRequested_~tmp___1~3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:50:17,331 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 20:50:17,331 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:50:17,335 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 20:50:17,335 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification14_spec__1_~tmp___0~13=0} Honda state: {ULTIMATE.start___utac_acc__Specification14_spec__1_~tmp___0~13=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:50:17,378 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 20:50:17,378 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:50:17,394 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 20:50:17,394 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_isIdle_#t~ret71=0} Honda state: {ULTIMATE.start_isIdle_#t~ret71=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:50:17,445 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 20:50:17,446 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 20:50:17,452 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 20:50:17,452 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification14_spec__1_#t~ret176=0} Honda state: {ULTIMATE.start___utac_acc__Specification14_spec__1_#t~ret176=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:50:17,493 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 20:50:17,494 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:50:17,500 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 20:50:17,500 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~weight~0=1, ~maximumWeight~0=0} Honda state: {~weight~0=1, ~maximumWeight~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:50:17,552 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 20:50:17,552 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 20:50:17,560 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 20:50:17,560 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~executiveFloor~0=0, ULTIMATE.start_isFloorCalling_#in~floorID=0, ULTIMATE.start_isFloorCalling_~floorID=0} Honda state: {~executiveFloor~0=0, ULTIMATE.start_isFloorCalling_#in~floorID=0, ULTIMATE.start_isFloorCalling_~floorID=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:50:17,611 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 20:50:17,611 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:50:17,665 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 20:50:17,665 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:50:18,483 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 20:50:18,485 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 20:50:18,485 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 20:50:18,485 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 20:50:18,486 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 20:50:18,486 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 20:50:18,486 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:50:18,486 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 20:50:18,486 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 20:50:18,486 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec14_product32.cil.c_Iteration3_Loop [2020-11-29 20:50:18,486 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 20:50:18,486 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 20:50:18,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:18,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:50:19,349 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 20:50:19,357 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:50:19,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:50:19,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:50:19,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:50:19,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:50:19,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:50:19,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:50:19,381 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:50:19,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:50:19,386 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:50:19,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:50:19,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:50:19,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:50:19,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:50:19,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:50:19,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:50:19,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:50:19,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:50:19,448 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:50:19,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:50:19,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:50:19,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:50:19,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:50:19,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:50:19,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:50:19,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:50:19,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:50:19,508 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:50:19,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:50:19,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:50:19,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:50:19,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:50:19,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:50:19,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:50:19,562 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:50:19,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:50:19,564 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:50:19,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:50:19,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:50:19,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:50:19,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:50:19,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:50:19,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:50:19,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:50:19,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:50:19,630 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:50:19,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:50:19,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:50:19,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:50:19,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:50:19,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:50:19,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:50:19,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:50:19,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:50:19,694 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 20:50:19,721 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-11-29 20:50:19,721 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf5e3d14-429e-4b62-88cf-59d67e950bb6/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:50:19,726 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 20:50:19,726 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:50:19,727 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 20:50:19,728 INFO L512 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 [] [2020-11-29 20:50:19,758 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-29 20:50:19,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:20,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:50:20,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:50:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:20,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 20:50:20,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:50:20,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:50:20,344 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 [2020-11-29 20:50:20,345 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33906 states and 63584 transitions. cyclomatic complexity: 29679 Second operand 5 states. [2020-11-29 20:50:21,891 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33906 states and 63584 transitions. cyclomatic complexity: 29679. Second operand 5 states. Result 40702 states and 76314 transitions. Complement of second has 8 states. [2020-11-29 20:50:21,892 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 [2020-11-29 20:50:21,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-29 20:50:21,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31866 transitions. [2020-11-29 20:50:21,936 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31866 transitions. Stem has 58 letters. Loop has 22 letters. [2020-11-29 20:50:21,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:50:21,939 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31866 transitions. Stem has 80 letters. Loop has 22 letters. [2020-11-29 20:50:21,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:50:21,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31866 transitions. Stem has 58 letters. Loop has 44 letters. [2020-11-29 20:50:21,946 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:50:21,946 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40702 states and 76314 transitions. [2020-11-29 20:50:22,191 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 20:50:22,192 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40702 states to 0 states and 0 transitions. [2020-11-29 20:50:22,192 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 20:50:22,192 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 20:50:22,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 20:50:22,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 20:50:22,192 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:50:22,193 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:50:22,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:22,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:22,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:22,194 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-11-29 20:50:22,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:22,195 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-29 20:50:22,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 20:50:22,195 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-29 20:50:22,195 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 20:50:22,195 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 20:50:22,195 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 20:50:22,196 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 20:50:22,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 20:50:22,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 20:50:22,196 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:50:22,196 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:50:22,196 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:50:22,196 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-29 20:50:22,197 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 20:50:22,197 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 20:50:22,197 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 20:50:22,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 08:50:22 BoogieIcfgContainer [2020-11-29 20:50:22,203 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 20:50:22,206 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:50:22,206 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:50:22,207 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:50:22,208 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:49:07" (3/4) ... [2020-11-29 20:50:22,211 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 20:50:22,211 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:50:22,214 INFO L168 Benchmark]: Toolchain (without parser) took 109866.21 ms. Allocated memory was 100.7 MB in the beginning and 7.8 GB in the end (delta: 7.7 GB). Free memory was 71.0 MB in the beginning and 6.0 GB in the end (delta: -5.9 GB). Peak memory consumption was 1.8 GB. Max. memory is 16.1 GB. [2020-11-29 20:50:22,219 INFO L168 Benchmark]: CDTParser took 0.95 ms. Allocated memory is still 100.7 MB. Free memory is still 59.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:50:22,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1002.23 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 70.7 MB in the beginning and 75.6 MB in the end (delta: -5.0 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:50:22,221 INFO L168 Benchmark]: Boogie Procedure Inliner took 1283.05 ms. Allocated memory was 134.2 MB in the beginning and 268.4 MB in the end (delta: 134.2 MB). Free memory was 75.6 MB in the beginning and 138.9 MB in the end (delta: -63.3 MB). Peak memory consumption was 85.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:50:22,222 INFO L168 Benchmark]: Boogie Preprocessor took 1564.79 ms. Allocated memory was 268.4 MB in the beginning and 536.9 MB in the end (delta: 268.4 MB). Free memory was 138.9 MB in the beginning and 332.7 MB in the end (delta: -193.8 MB). Peak memory consumption was 96.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:50:22,226 INFO L168 Benchmark]: RCFGBuilder took 31252.05 ms. Allocated memory was 536.9 MB in the beginning and 5.8 GB in the end (delta: 5.3 GB). Free memory was 332.7 MB in the beginning and 5.5 GB in the end (delta: -5.2 GB). Peak memory consumption was 894.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:50:22,226 INFO L168 Benchmark]: BuchiAutomizer took 74748.30 ms. Allocated memory was 5.8 GB in the beginning and 7.8 GB in the end (delta: 2.0 GB). Free memory was 5.5 GB in the beginning and 6.0 GB in the end (delta: -513.8 MB). Peak memory consumption was 1.5 GB. Max. memory is 16.1 GB. [2020-11-29 20:50:22,227 INFO L168 Benchmark]: Witness Printer took 4.72 ms. Allocated memory is still 7.8 GB. Free memory is still 6.0 GB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:50:22,238 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95 ms. Allocated memory is still 100.7 MB. Free memory is still 59.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1002.23 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 70.7 MB in the beginning and 75.6 MB in the end (delta: -5.0 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 1283.05 ms. Allocated memory was 134.2 MB in the beginning and 268.4 MB in the end (delta: 134.2 MB). Free memory was 75.6 MB in the beginning and 138.9 MB in the end (delta: -63.3 MB). Peak memory consumption was 85.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 1564.79 ms. Allocated memory was 268.4 MB in the beginning and 536.9 MB in the end (delta: 268.4 MB). Free memory was 138.9 MB in the beginning and 332.7 MB in the end (delta: -193.8 MB). Peak memory consumption was 96.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 31252.05 ms. Allocated memory was 536.9 MB in the beginning and 5.8 GB in the end (delta: 5.3 GB). Free memory was 332.7 MB in the beginning and 5.5 GB in the end (delta: -5.2 GB). Peak memory consumption was 894.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 74748.30 ms. Allocated memory was 5.8 GB in the beginning and 7.8 GB in the end (delta: 2.0 GB). Free memory was 5.5 GB in the beginning and 6.0 GB in the end (delta: -513.8 MB). Peak memory consumption was 1.5 GB. Max. memory is 16.1 GB. * Witness Printer took 4.72 ms. Allocated memory is still 7.8 GB. Free memory is still 6.0 GB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function cleanupTimeShifts + -1 * i and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 74.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.3s. Construction of modules took 34.7s. Büchi inclusion checks took 23.1s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 3.7s AutomataMinimizationTime, 2 MinimizatonAttempts, 227090 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 5.5s Buchi closure took 0.4s. Biggest automaton had 34911 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 133537 SDtfs, 479747 SDslu, 679541 SDs, 0 SdLazy, 40723 SolverSat, 3813 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 34.7s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI2 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital99 mio100 ax100 hnf100 lsp18 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq211 hnf89 smp100 dnf176 smp100 tf103 neg96 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...