./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec1_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/elevator_spec1_product18.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8f67cb4d69b9f8349c20986099ec654a7bad708130567f012247d97f1e51ceb8 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 15:44:31,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 15:44:31,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 15:44:31,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 15:44:31,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 15:44:31,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 15:44:31,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 15:44:31,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 15:44:31,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 15:44:31,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 15:44:31,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 15:44:31,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 15:44:31,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 15:44:31,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 15:44:31,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 15:44:31,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 15:44:31,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 15:44:31,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 15:44:31,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 15:44:31,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 15:44:31,435 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 15:44:31,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 15:44:31,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 15:44:31,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 15:44:31,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 15:44:31,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 15:44:31,441 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 15:44:31,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 15:44:31,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 15:44:31,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 15:44:31,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 15:44:31,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 15:44:31,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 15:44:31,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 15:44:31,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 15:44:31,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 15:44:31,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 15:44:31,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 15:44:31,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 15:44:31,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 15:44:31,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 15:44:31,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 15:44:31,450 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-14 15:44:31,468 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 15:44:31,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 15:44:31,469 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 15:44:31,469 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 15:44:31,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 15:44:31,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 15:44:31,470 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 15:44:31,470 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 15:44:31,471 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 15:44:31,471 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 15:44:31,471 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 15:44:31,471 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 15:44:31,471 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 15:44:31,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 15:44:31,472 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 15:44:31,472 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 15:44:31,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 15:44:31,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 15:44:31,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 15:44:31,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 15:44:31,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 15:44:31,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 15:44:31,473 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 15:44:31,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 15:44:31,473 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 15:44:31,474 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 15:44:31,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 15:44:31,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 15:44:31,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 15:44:31,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 15:44:31,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 15:44:31,475 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 15:44:31,475 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f67cb4d69b9f8349c20986099ec654a7bad708130567f012247d97f1e51ceb8 [2022-07-14 15:44:31,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 15:44:31,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 15:44:31,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 15:44:31,700 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 15:44:31,700 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 15:44:31,701 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec1_product18.cil.c [2022-07-14 15:44:31,754 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a82da80a9/643e3ca0acbd44038ba78465d8d9aea3/FLAGfa7d36d88 [2022-07-14 15:44:32,215 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 15:44:32,216 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec1_product18.cil.c [2022-07-14 15:44:32,247 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a82da80a9/643e3ca0acbd44038ba78465d8d9aea3/FLAGfa7d36d88 [2022-07-14 15:44:32,258 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a82da80a9/643e3ca0acbd44038ba78465d8d9aea3 [2022-07-14 15:44:32,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 15:44:32,261 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 15:44:32,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 15:44:32,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 15:44:32,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 15:44:32,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:44:32" (1/1) ... [2022-07-14 15:44:32,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f5c01b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:44:32, skipping insertion in model container [2022-07-14 15:44:32,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:44:32" (1/1) ... [2022-07-14 15:44:32,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 15:44:32,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 15:44:32,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec1_product18.cil.c[1545,1558] [2022-07-14 15:44:32,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:44:32,772 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 15:44:32,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec1_product18.cil.c[1545,1558] [2022-07-14 15:44:32,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:44:32,886 INFO L208 MainTranslator]: Completed translation [2022-07-14 15:44:32,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:44:32 WrapperNode [2022-07-14 15:44:32,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 15:44:32,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 15:44:32,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 15:44:32,890 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 15:44:32,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:44:32" (1/1) ... [2022-07-14 15:44:32,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:44:32" (1/1) ... [2022-07-14 15:44:33,118 INFO L137 Inliner]: procedures = 92, calls = 339, calls flagged for inlining = 191, calls inlined = 496, statements flattened = 16018 [2022-07-14 15:44:33,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 15:44:33,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 15:44:33,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 15:44:33,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 15:44:33,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:44:32" (1/1) ... [2022-07-14 15:44:33,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:44:32" (1/1) ... [2022-07-14 15:44:33,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:44:32" (1/1) ... [2022-07-14 15:44:33,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:44:32" (1/1) ... [2022-07-14 15:44:33,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:44:32" (1/1) ... [2022-07-14 15:44:33,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:44:32" (1/1) ... [2022-07-14 15:44:33,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:44:32" (1/1) ... [2022-07-14 15:44:33,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 15:44:33,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 15:44:33,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 15:44:33,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 15:44:33,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:44:32" (1/1) ... [2022-07-14 15:44:33,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:44:33,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:44:33,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:44:33,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-14 15:44:33,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 15:44:33,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 15:44:33,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 15:44:33,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 15:44:33,753 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 15:44:33,758 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 15:44:38,906 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 15:44:38,951 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 15:44:38,951 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 15:44:38,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:44:38 BoogieIcfgContainer [2022-07-14 15:44:38,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 15:44:38,960 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 15:44:38,960 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 15:44:38,963 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 15:44:38,964 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:44:38,964 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 03:44:32" (1/3) ... [2022-07-14 15:44:38,965 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56ea8e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:44:38, skipping insertion in model container [2022-07-14 15:44:38,965 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:44:38,965 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:44:32" (2/3) ... [2022-07-14 15:44:38,966 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56ea8e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:44:38, skipping insertion in model container [2022-07-14 15:44:38,966 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:44:38,966 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:44:38" (3/3) ... [2022-07-14 15:44:38,967 INFO L354 chiAutomizerObserver]: Analyzing ICFG elevator_spec1_product18.cil.c [2022-07-14 15:44:39,123 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 15:44:39,123 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 15:44:39,123 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 15:44:39,123 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 15:44:39,124 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 15:44:39,124 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 15:44:39,124 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 15:44:39,124 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 15:44:39,142 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 4692 states, 4691 states have (on average 1.87444041782136) internal successors, (8793), 4691 states have internal predecessors, (8793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:44:39,241 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2298 [2022-07-14 15:44:39,242 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:44:39,242 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:44:39,258 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:44:39,258 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:44:39,258 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 15:44:39,269 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 4692 states, 4691 states have (on average 1.87444041782136) internal successors, (8793), 4691 states have internal predecessors, (8793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:44:39,320 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2298 [2022-07-14 15:44:39,320 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:44:39,321 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:44:39,326 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:44:39,326 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:44:39,337 INFO L752 eck$LassoCheckResult]: Stem: 2900#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~landingButtons_spc1_0~0 := 0;~landingButtons_spc1_1~0 := 0;~landingButtons_spc1_2~0 := 0;~landingButtons_spc1_3~0 := 0;~landingButtons_spc1_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;~cleanupTimeShifts~0 := 12; 4597#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret127#1, main_~retValue_acc~25#1, main_~tmp~26#1;havoc main_~retValue_acc~25#1;havoc main_~tmp~26#1;assume { :begin_inline_select_helpers } true; 1192#L3015true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 3376#L3008true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~23#1;havoc valid_product_~retValue_acc~23#1;valid_product_~retValue_acc~23#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~23#1; 3660#L3023true main_#t~ret127#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~26#1 := main_#t~ret127#1;havoc main_#t~ret127#1; 2793#L3380true assume 0 != main_~tmp~26#1;assume { :begin_inline_setup } true; 4692#L3355true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification1_spec__1 } true;~landingButtons_spc1_0~0 := 0;~landingButtons_spc1_1~0 := 0;~landingButtons_spc1_2~0 := 0;~landingButtons_spc1_3~0 := 0;~landingButtons_spc1_4~0 := 0; 1383#L1116true assume { :end_inline___utac_acc__Specification1_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret120#1, bigMacCall_~tmp~23#1;havoc bigMacCall_~tmp~23#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 663#L2823true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 2590#L2848true bigMacCall_#t~ret120#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~23#1 := bigMacCall_#t~ret120#1;havoc bigMacCall_#t~ret120#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~23#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 4111#L423true assume 0 == initPersonOnFloor_~floor#1; 570#L424true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 2626#L531-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1, callOnFloor_~__utac__ad__arg1~0#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;havoc callOnFloor_~__utac__ad__arg1~0#1;callOnFloor_~__utac__ad__arg1~0#1 := callOnFloor_~floorID#1;assume { :begin_inline___utac_acc__Specification1_spec__2 } true;__utac_acc__Specification1_spec__2_#in~floor#1 := callOnFloor_~__utac__ad__arg1~0#1;havoc __utac_acc__Specification1_spec__2_~floor#1;__utac_acc__Specification1_spec__2_~floor#1 := __utac_acc__Specification1_spec__2_#in~floor#1; 1033#L1123true assume 0 == __utac_acc__Specification1_spec__2_~floor#1;~landingButtons_spc1_0~0 := 1; 2959#L1135-2true assume { :end_inline___utac_acc__Specification1_spec__2 } true; 1003#L215true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 53#L227-2true assume { :end_inline_callOnFloor } true; 2384#L567true assume { :end_inline_initPersonOnFloor } true; 2878#L3160true assume { :end_inline_bigMacCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret117#1, angelinaCall_~tmp~20#1;havoc angelinaCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~20#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~20#1; 1201#L2823-1true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~20#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~20#1; 3732#L2848-1true angelinaCall_#t~ret117#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~20#1 := angelinaCall_#t~ret117#1;havoc angelinaCall_#t~ret117#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 4014#L423-1true assume 0 == initPersonOnFloor_~floor#1; 2696#L424-2true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 1227#L531-3true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1, callOnFloor_~__utac__ad__arg1~0#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;havoc callOnFloor_~__utac__ad__arg1~0#1;callOnFloor_~__utac__ad__arg1~0#1 := callOnFloor_~floorID#1;assume { :begin_inline___utac_acc__Specification1_spec__2 } true;__utac_acc__Specification1_spec__2_#in~floor#1 := callOnFloor_~__utac__ad__arg1~0#1;havoc __utac_acc__Specification1_spec__2_~floor#1;__utac_acc__Specification1_spec__2_~floor#1 := __utac_acc__Specification1_spec__2_#in~floor#1; 1792#L1123-2true assume 0 == __utac_acc__Specification1_spec__2_~floor#1;~landingButtons_spc1_0~0 := 1; 2347#L1135-5true assume { :end_inline___utac_acc__Specification1_spec__2 } true; 822#L215-2true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 4599#L227-5true assume { :end_inline_callOnFloor } true; 3010#L567-1true assume { :end_inline_initPersonOnFloor } true; 3609#L3127true assume { :end_inline_angelinaCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret121#1, cleanup_#t~ret122#1, cleanup_~i~3#1, cleanup_~tmp~24#1, cleanup_~tmp___0~9#1, cleanup_~__cil_tmp4~2#1;havoc cleanup_~i~3#1;havoc cleanup_~tmp~24#1;havoc cleanup_~tmp___0~9#1;havoc cleanup_~__cil_tmp4~2#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret78#1, timeShift_~tmp~13#1;havoc timeShift_~tmp~13#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~8#1;havoc areDoorsOpen_~retValue_acc~8#1;areDoorsOpen_~retValue_acc~8#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~8#1; 4602#L1523true timeShift_#t~ret78#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~13#1 := timeShift_#t~ret78#1;havoc timeShift_#t~ret78#1; 1457#L2405true assume 0 != timeShift_~tmp~13#1; 1313#L2406true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 1004#L2405-1true assume { :begin_inline___utac_acc__Specification1_spec__3 } true;havoc __utac_acc__Specification1_spec__3_#t~ret27#1, __utac_acc__Specification1_spec__3_#t~ret28#1, __utac_acc__Specification1_spec__3_#t~ret29#1, __utac_acc__Specification1_spec__3_#t~ret30#1, __utac_acc__Specification1_spec__3_#t~ret31#1, __utac_acc__Specification1_spec__3_#t~ret32#1, __utac_acc__Specification1_spec__3_~floor~0#1, __utac_acc__Specification1_spec__3_~tmp~3#1, __utac_acc__Specification1_spec__3_~tmp___0~0#1, __utac_acc__Specification1_spec__3_~tmp___1~0#1, __utac_acc__Specification1_spec__3_~tmp___2~0#1, __utac_acc__Specification1_spec__3_~tmp___3~0#1, __utac_acc__Specification1_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification1_spec__3_~floor~0#1;havoc __utac_acc__Specification1_spec__3_~tmp~3#1;havoc __utac_acc__Specification1_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification1_spec__3_~tmp___2~0#1;havoc __utac_acc__Specification1_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification1_spec__3_~tmp___4~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~7#1;havoc getCurrentFloorID_~retValue_acc~7#1;getCurrentFloorID_~retValue_acc~7#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~7#1; 1663#L1514true __utac_acc__Specification1_spec__3_#t~ret27#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification1_spec__3_~tmp~3#1 := __utac_acc__Specification1_spec__3_#t~ret27#1;havoc __utac_acc__Specification1_spec__3_#t~ret27#1;__utac_acc__Specification1_spec__3_~floor~0#1 := __utac_acc__Specification1_spec__3_~tmp~3#1; 212#L1161true assume 0 == __utac_acc__Specification1_spec__3_~floor~0#1; 1175#L1162true assume 0 != ~landingButtons_spc1_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~8#1;havoc areDoorsOpen_~retValue_acc~8#1;areDoorsOpen_~retValue_acc~8#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~8#1; 3816#L1523-1true __utac_acc__Specification1_spec__3_#t~ret28#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification1_spec__3_~tmp___4~0#1 := __utac_acc__Specification1_spec__3_#t~ret28#1;havoc __utac_acc__Specification1_spec__3_#t~ret28#1; 98#L1166true assume 0 != __utac_acc__Specification1_spec__3_~tmp___4~0#1;~landingButtons_spc1_0~0 := 0; 4296#L1221true assume { :end_inline___utac_acc__Specification1_spec__3 } true; 221#L2423true assume { :end_inline_timeShift } true;cleanup_~i~3#1 := 0; 3088#L3187-2true [2022-07-14 15:44:39,343 INFO L754 eck$LassoCheckResult]: Loop: 3088#L3187-2true assume !false; 554#L3188true cleanup_~__cil_tmp4~2#1 := ~cleanupTimeShifts~0 - 1; 673#L3191true assume cleanup_~i~3#1 < cleanup_~__cil_tmp4~2#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~6#1;havoc isBlocked_~retValue_acc~6#1;isBlocked_~retValue_acc~6#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~6#1; 2988#L1361true cleanup_#t~ret121#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~9#1 := cleanup_#t~ret121#1;havoc cleanup_#t~ret121#1; 3565#L3195true assume 1 != cleanup_~tmp___0~9#1; 3610#L3195-1true assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret40#1, isIdle_~retValue_acc~13#1, isIdle_~tmp~7#1;havoc isIdle_~retValue_acc~13#1;havoc isIdle_~tmp~7#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret35#1, anyStopRequested_#t~ret36#1, anyStopRequested_#t~ret37#1, anyStopRequested_#t~ret38#1, anyStopRequested_#t~ret39#1, anyStopRequested_~retValue_acc~12#1, anyStopRequested_~tmp~6#1, anyStopRequested_~tmp___0~1#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~1#1;havoc anyStopRequested_~retValue_acc~12#1;havoc anyStopRequested_~tmp~6#1;havoc anyStopRequested_~tmp___0~1#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~1#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 240#L147-42true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 465#L174-42true anyStopRequested_#t~ret35#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~1#1 := anyStopRequested_#t~ret35#1;havoc anyStopRequested_#t~ret35#1; 472#L1622true assume 0 != anyStopRequested_~tmp___3~1#1;anyStopRequested_~retValue_acc~12#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~12#1; 1334#L1686true isIdle_#t~ret40#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~7#1 := isIdle_#t~ret40#1;havoc isIdle_#t~ret40#1;isIdle_~retValue_acc~13#1 := (if 0 == isIdle_~tmp~7#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~13#1; 1971#L1699true cleanup_#t~ret122#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~24#1 := cleanup_#t~ret122#1;havoc cleanup_#t~ret122#1; 2825#L3207true assume !(0 != cleanup_~tmp~24#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret78#1, timeShift_~tmp~13#1;havoc timeShift_~tmp~13#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~8#1;havoc areDoorsOpen_~retValue_acc~8#1;areDoorsOpen_~retValue_acc~8#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~8#1; 1694#L1523-6true timeShift_#t~ret78#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~13#1 := timeShift_#t~ret78#1;havoc timeShift_#t~ret78#1; 3372#L2405-2true assume 0 != timeShift_~tmp~13#1; 4358#L2406-3true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 2866#L2405-3true assume { :begin_inline___utac_acc__Specification1_spec__3 } true;havoc __utac_acc__Specification1_spec__3_#t~ret27#1, __utac_acc__Specification1_spec__3_#t~ret28#1, __utac_acc__Specification1_spec__3_#t~ret29#1, __utac_acc__Specification1_spec__3_#t~ret30#1, __utac_acc__Specification1_spec__3_#t~ret31#1, __utac_acc__Specification1_spec__3_#t~ret32#1, __utac_acc__Specification1_spec__3_~floor~0#1, __utac_acc__Specification1_spec__3_~tmp~3#1, __utac_acc__Specification1_spec__3_~tmp___0~0#1, __utac_acc__Specification1_spec__3_~tmp___1~0#1, __utac_acc__Specification1_spec__3_~tmp___2~0#1, __utac_acc__Specification1_spec__3_~tmp___3~0#1, __utac_acc__Specification1_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification1_spec__3_~floor~0#1;havoc __utac_acc__Specification1_spec__3_~tmp~3#1;havoc __utac_acc__Specification1_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification1_spec__3_~tmp___2~0#1;havoc __utac_acc__Specification1_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification1_spec__3_~tmp___4~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~7#1;havoc getCurrentFloorID_~retValue_acc~7#1;getCurrentFloorID_~retValue_acc~7#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~7#1; 3799#L1514-1true __utac_acc__Specification1_spec__3_#t~ret27#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification1_spec__3_~tmp~3#1 := __utac_acc__Specification1_spec__3_#t~ret27#1;havoc __utac_acc__Specification1_spec__3_#t~ret27#1;__utac_acc__Specification1_spec__3_~floor~0#1 := __utac_acc__Specification1_spec__3_~tmp~3#1; 2414#L1161-1true assume 0 == __utac_acc__Specification1_spec__3_~floor~0#1; 3087#L1162-1true assume 0 != ~landingButtons_spc1_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~8#1;havoc areDoorsOpen_~retValue_acc~8#1;areDoorsOpen_~retValue_acc~8#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~8#1; 3513#L1523-7true __utac_acc__Specification1_spec__3_#t~ret28#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification1_spec__3_~tmp___4~0#1 := __utac_acc__Specification1_spec__3_#t~ret28#1;havoc __utac_acc__Specification1_spec__3_#t~ret28#1; 2327#L1166-2true assume 0 != __utac_acc__Specification1_spec__3_~tmp___4~0#1;~landingButtons_spc1_0~0 := 0; 2692#L1221-1true assume { :end_inline___utac_acc__Specification1_spec__3 } true; 2874#L2423-1true assume { :end_inline_timeShift } true;cleanup_~i~3#1 := 1 + cleanup_~i~3#1; 3088#L3187-2true [2022-07-14 15:44:39,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:44:39,356 INFO L85 PathProgramCache]: Analyzing trace with hash -135707130, now seen corresponding path program 1 times [2022-07-14 15:44:39,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:44:39,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780200332] [2022-07-14 15:44:39,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:44:39,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:44:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:44:39,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:44:39,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 15:44:39,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780200332] [2022-07-14 15:44:39,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780200332] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 15:44:39,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 15:44:39,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 15:44:39,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247039605] [2022-07-14 15:44:39,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 15:44:39,620 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-14 15:44:39,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:44:39,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1455828103, now seen corresponding path program 1 times [2022-07-14 15:44:39,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:44:39,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010580386] [2022-07-14 15:44:39,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:44:39,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:44:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:44:39,638 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:44:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:44:39,666 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:44:40,147 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 15:44:40,148 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 15:44:40,148 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 15:44:40,148 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 15:44:40,149 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-14 15:44:40,149 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:44:40,149 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 15:44:40,149 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 15:44:40,149 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec1_product18.cil.c_Iteration1_Loop [2022-07-14 15:44:40,149 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 15:44:40,150 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 15:44:40,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:44:40,590 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 15:44:40,591 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-14 15:44:40,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:44:40,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:44:40,615 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:44:40,620 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 15:44:40,620 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 15:44:40,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-14 15:44:40,648 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 15:44:40,648 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_cleanup_#t~ret121#1=0} Honda state: {ULTIMATE.start_cleanup_#t~ret121#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 15:44:40,676 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-07-14 15:44:40,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:44:40,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:44:40,678 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:44:40,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-14 15:44:40,681 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 15:44:40,681 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 15:44:40,698 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 15:44:40,698 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_isFloorCalling_#in~floorID#1=0} Honda state: {ULTIMATE.start_isFloorCalling_#in~floorID#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 15:44:40,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-07-14 15:44:40,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:44:40,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:44:40,716 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:44:40,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-14 15:44:40,718 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 15:44:40,718 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 15:44:40,724 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 15:44:40,725 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification1_spec__3_~tmp___3~0#1=0} Honda state: {ULTIMATE.start___utac_acc__Specification1_spec__3_~tmp___3~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 15:44:40,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-07-14 15:44:40,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:44:40,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:44:40,745 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:44:40,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-14 15:44:40,747 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 15:44:40,747 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 15:44:40,762 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 15:44:40,762 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_~tmp___0~1#1=0} Honda state: {ULTIMATE.start_anyStopRequested_~tmp___0~1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 15:44:40,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-14 15:44:40,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:44:40,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:44:40,780 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:44:40,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-14 15:44:40,782 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 15:44:40,782 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 15:44:40,816 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 15:44:40,816 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_areDoorsOpen_#res#1=4, ULTIMATE.start___utac_acc__Specification1_spec__3_~tmp___4~0#1=4, ~doorState~0=4, ULTIMATE.start_timeShift_~tmp~13#1=4, ULTIMATE.start_areDoorsOpen_~retValue_acc~8#1=4} Honda state: {ULTIMATE.start_areDoorsOpen_#res#1=4, ULTIMATE.start___utac_acc__Specification1_spec__3_~tmp___4~0#1=4, ~doorState~0=4, ULTIMATE.start_timeShift_~tmp~13#1=4, ULTIMATE.start_areDoorsOpen_~retValue_acc~8#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 15:44:40,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-14 15:44:40,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:44:40,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:44:40,837 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:44:40,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-14 15:44:40,839 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 15:44:40,839 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 15:44:40,846 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 15:44:40,846 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_#t~ret37#1=0} Honda state: {ULTIMATE.start_anyStopRequested_#t~ret37#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 15:44:40,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-14 15:44:40,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:44:40,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:44:40,862 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:44:40,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-14 15:44:40,864 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 15:44:40,864 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 15:44:40,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-14 15:44:40,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:44:40,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:44:40,893 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:44:40,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-14 15:44:40,895 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-14 15:44:40,895 INFO L160 nArgumentSynthesizer]: Using integer mode.