./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec1_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 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_product30.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 b5032f6ecc7a7304ce28757cb2a6aad82a2091f27bc978e38426a37817981d0c --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 02:25:21,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 02:25:21,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 02:25:21,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 02:25:21,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 02:25:21,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 02:25:21,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 02:25:21,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 02:25:21,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 02:25:21,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 02:25:21,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 02:25:21,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 02:25:21,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 02:25:21,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 02:25:21,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 02:25:21,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 02:25:21,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 02:25:21,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 02:25:21,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 02:25:21,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 02:25:21,809 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 02:25:21,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 02:25:21,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 02:25:21,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 02:25:21,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 02:25:21,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 02:25:21,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 02:25:21,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 02:25:21,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 02:25:21,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 02:25:21,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 02:25:21,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 02:25:21,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 02:25:21,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 02:25:21,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 02:25:21,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 02:25:21,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 02:25:21,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 02:25:21,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 02:25:21,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 02:25:21,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 02:25:21,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 02:25:21,833 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 02:25:21,862 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 02:25:21,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 02:25:21,863 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 02:25:21,863 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 02:25:21,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 02:25:21,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 02:25:21,864 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 02:25:21,865 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 02:25:21,865 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 02:25:21,865 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 02:25:21,866 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 02:25:21,866 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 02:25:21,866 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 02:25:21,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 02:25:21,874 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 02:25:21,875 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 02:25:21,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 02:25:21,875 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 02:25:21,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 02:25:21,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 02:25:21,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 02:25:21,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 02:25:21,876 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 02:25:21,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 02:25:21,876 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 02:25:21,876 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 02:25:21,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 02:25:21,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 02:25:21,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 02:25:21,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 02:25:21,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 02:25:21,879 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 02:25:21,879 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:/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5032f6ecc7a7304ce28757cb2a6aad82a2091f27bc978e38426a37817981d0c [2022-07-22 02:25:22,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 02:25:22,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 02:25:22,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 02:25:22,195 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 02:25:22,195 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 02:25:22,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec1_product30.cil.c [2022-07-22 02:25:22,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a68f32c0/9116d8c03f3b46e080b29b7bac9f58eb/FLAG90be34eef [2022-07-22 02:25:22,790 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 02:25:22,792 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec1_product30.cil.c [2022-07-22 02:25:22,812 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a68f32c0/9116d8c03f3b46e080b29b7bac9f58eb/FLAG90be34eef [2022-07-22 02:25:23,041 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a68f32c0/9116d8c03f3b46e080b29b7bac9f58eb [2022-07-22 02:25:23,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 02:25:23,045 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 02:25:23,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 02:25:23,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 02:25:23,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 02:25:23,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:25:23" (1/1) ... [2022-07-22 02:25:23,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66916dc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:23, skipping insertion in model container [2022-07-22 02:25:23,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:25:23" (1/1) ... [2022-07-22 02:25:23,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 02:25:23,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 02:25:23,233 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_product30.cil.c[1545,1558] [2022-07-22 02:25:23,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:25:23,638 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 02:25:23,651 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_product30.cil.c[1545,1558] [2022-07-22 02:25:23,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:25:23,792 INFO L208 MainTranslator]: Completed translation [2022-07-22 02:25:23,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:23 WrapperNode [2022-07-22 02:25:23,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 02:25:23,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 02:25:23,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 02:25:23,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 02:25:23,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:23" (1/1) ... [2022-07-22 02:25:23,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:23" (1/1) ... [2022-07-22 02:25:24,149 INFO L137 Inliner]: procedures = 95, calls = 348, calls flagged for inlining = 200, calls inlined = 764, statements flattened = 26214 [2022-07-22 02:25:24,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 02:25:24,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 02:25:24,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 02:25:24,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 02:25:24,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:23" (1/1) ... [2022-07-22 02:25:24,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:23" (1/1) ... [2022-07-22 02:25:24,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:23" (1/1) ... [2022-07-22 02:25:24,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:23" (1/1) ... [2022-07-22 02:25:24,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:23" (1/1) ... [2022-07-22 02:25:24,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:23" (1/1) ... [2022-07-22 02:25:24,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:23" (1/1) ... [2022-07-22 02:25:24,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 02:25:24,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 02:25:24,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 02:25:24,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 02:25:24,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:23" (1/1) ... [2022-07-22 02:25:24,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:25:24,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:25:24,825 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) [2022-07-22 02:25:24,888 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 [2022-07-22 02:25:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 02:25:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 02:25:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 02:25:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 02:25:25,192 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 02:25:25,194 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 02:25:32,563 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 02:25:32,628 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 02:25:32,628 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 02:25:32,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:25:32 BoogieIcfgContainer [2022-07-22 02:25:32,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 02:25:32,637 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 02:25:32,637 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 02:25:32,640 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 02:25:32,640 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:25:32,640 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 02:25:23" (1/3) ... [2022-07-22 02:25:32,641 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5dfdc7b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:25:32, skipping insertion in model container [2022-07-22 02:25:32,641 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:25:32,642 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:23" (2/3) ... [2022-07-22 02:25:32,642 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5dfdc7b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:25:32, skipping insertion in model container [2022-07-22 02:25:32,642 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:25:32,642 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:25:32" (3/3) ... [2022-07-22 02:25:32,643 INFO L354 chiAutomizerObserver]: Analyzing ICFG elevator_spec1_product30.cil.c [2022-07-22 02:25:32,829 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 02:25:32,829 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 02:25:32,829 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 02:25:32,829 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 02:25:32,830 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 02:25:32,830 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 02:25:32,830 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 02:25:32,830 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 02:25:32,858 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7016 states, 7015 states have (on average 1.8778332145402707) internal successors, (13173), 7015 states have internal predecessors, (13173), 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) [2022-07-22 02:25:32,981 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3460 [2022-07-22 02:25:32,981 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:25:32,982 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:25:32,997 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] [2022-07-22 02:25:32,997 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] [2022-07-22 02:25:32,997 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 02:25:33,013 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7016 states, 7015 states have (on average 1.8778332145402707) internal successors, (13173), 7015 states have internal predecessors, (13173), 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) [2022-07-22 02:25:33,086 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3460 [2022-07-22 02:25:33,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:25:33,087 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:25:33,092 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] [2022-07-22 02:25:33,092 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] [2022-07-22 02:25:33,097 INFO L752 eck$LassoCheckResult]: Stem: 5664#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);~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~cleanupTimeShifts~0 := 12;~head~0.base, ~head~0.offset := 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;~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; 3439#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~6#1, main_~tmp~13#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~13#1;assume { :begin_inline_select_helpers } true; 1748#L567true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1494#L560true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 6485#L575true main_#t~ret47#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~13#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 4564#L919true assume 0 != main_~tmp~13#1;assume { :begin_inline_setup } true; 2397#L892true 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; 5972#L3317true assume { :end_inline___utac_acc__Specification1_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret40#1, bigMacCall_~tmp~10#1;havoc bigMacCall_~tmp~10#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~11#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~11#1; 3193#L1650true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~11#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~11#1; 4250#L1675true bigMacCall_#t~ret40#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~10#1 := bigMacCall_#t~ret40#1;havoc bigMacCall_#t~ret40#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~10#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 2186#L1297true assume 0 == initPersonOnFloor_~floor#1; 184#L1298true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 862#L1405-1true 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; 1540#L3324true assume 0 == __utac_acc__Specification1_spec__2_~floor#1;~landingButtons_spc1_0~0 := 1; 3102#L3336-2true assume { :end_inline___utac_acc__Specification1_spec__2 } true; 4606#L1089true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 1602#L1101-2true assume { :end_inline_callOnFloor } true; 4259#L1441true assume { :end_inline_initPersonOnFloor } true; 1400#L696true assume { :end_inline_bigMacCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret37#1, angelinaCall_~tmp~7#1;havoc angelinaCall_~tmp~7#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~11#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~11#1; 902#L1650-1true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~11#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~11#1; 3832#L1675-1true angelinaCall_#t~ret37#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~7#1 := angelinaCall_#t~ret37#1;havoc angelinaCall_#t~ret37#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~7#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 6003#L1297-1true assume 0 == initPersonOnFloor_~floor#1; 5411#L1298-2true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 3847#L1405-3true 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; 3699#L3324-2true assume 0 == __utac_acc__Specification1_spec__2_~floor#1;~landingButtons_spc1_0~0 := 1; 6252#L3336-5true assume { :end_inline___utac_acc__Specification1_spec__2 } true; 1731#L1089-2true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 50#L1101-5true assume { :end_inline_callOnFloor } true; 2444#L1441-1true assume { :end_inline_initPersonOnFloor } true; 2200#L663true assume { :end_inline_angelinaCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret41#1, cleanup_#t~ret42#1, cleanup_~i~2#1, cleanup_~tmp~11#1, cleanup_~tmp___0~2#1, cleanup_~__cil_tmp4~2#1;havoc cleanup_~i~2#1;havoc cleanup_~tmp~11#1;havoc cleanup_~tmp___0~2#1;havoc cleanup_~__cil_tmp4~2#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret101#1, timeShift_~tmp~26#1;havoc timeShift_~tmp~26#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 1166#L1979true timeShift_#t~ret101#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~26#1 := timeShift_#t~ret101#1;havoc timeShift_#t~ret101#1; 239#L2929true assume 0 != timeShift_~tmp~26#1; 5170#L2930true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 3295#L2929-1true assume { :begin_inline___utac_acc__Specification1_spec__3 } true;havoc __utac_acc__Specification1_spec__3_#t~ret130#1, __utac_acc__Specification1_spec__3_#t~ret131#1, __utac_acc__Specification1_spec__3_#t~ret132#1, __utac_acc__Specification1_spec__3_#t~ret133#1, __utac_acc__Specification1_spec__3_#t~ret134#1, __utac_acc__Specification1_spec__3_#t~ret135#1, __utac_acc__Specification1_spec__3_~floor~0#1, __utac_acc__Specification1_spec__3_~tmp~29#1, __utac_acc__Specification1_spec__3_~tmp___0~11#1, __utac_acc__Specification1_spec__3_~tmp___1~8#1, __utac_acc__Specification1_spec__3_~tmp___2~6#1, __utac_acc__Specification1_spec__3_~tmp___3~5#1, __utac_acc__Specification1_spec__3_~tmp___4~3#1;havoc __utac_acc__Specification1_spec__3_~floor~0#1;havoc __utac_acc__Specification1_spec__3_~tmp~29#1;havoc __utac_acc__Specification1_spec__3_~tmp___0~11#1;havoc __utac_acc__Specification1_spec__3_~tmp___1~8#1;havoc __utac_acc__Specification1_spec__3_~tmp___2~6#1;havoc __utac_acc__Specification1_spec__3_~tmp___3~5#1;havoc __utac_acc__Specification1_spec__3_~tmp___4~3#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;havoc getCurrentFloorID_~retValue_acc~14#1;getCurrentFloorID_~retValue_acc~14#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~14#1; 4176#L1970-2true __utac_acc__Specification1_spec__3_#t~ret130#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification1_spec__3_~tmp~29#1 := __utac_acc__Specification1_spec__3_#t~ret130#1;havoc __utac_acc__Specification1_spec__3_#t~ret130#1;__utac_acc__Specification1_spec__3_~floor~0#1 := __utac_acc__Specification1_spec__3_~tmp~29#1; 3003#L3362true assume 0 == __utac_acc__Specification1_spec__3_~floor~0#1; 5639#L3363true assume 0 != ~landingButtons_spc1_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 275#L1979-1true __utac_acc__Specification1_spec__3_#t~ret131#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification1_spec__3_~tmp___4~3#1 := __utac_acc__Specification1_spec__3_#t~ret131#1;havoc __utac_acc__Specification1_spec__3_#t~ret131#1; 3009#L3367true assume 0 != __utac_acc__Specification1_spec__3_~tmp___4~3#1;~landingButtons_spc1_0~0 := 0; 4007#L3422true assume { :end_inline___utac_acc__Specification1_spec__3 } true; 6203#L2947true assume { :end_inline_timeShift } true;cleanup_~i~2#1 := 0; 6238#L724-2true [2022-07-22 02:25:33,098 INFO L754 eck$LassoCheckResult]: Loop: 6238#L724-2true assume !false; 3957#L725true cleanup_~__cil_tmp4~2#1 := ~cleanupTimeShifts~0 - 1; 6632#L728true assume cleanup_~i~2#1 < cleanup_~__cil_tmp4~2#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~13#1;havoc isBlocked_~retValue_acc~13#1;isBlocked_~retValue_acc~13#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~13#1; 70#L1797true cleanup_#t~ret41#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~2#1 := cleanup_#t~ret41#1;havoc cleanup_#t~ret41#1; 5375#L732true assume 1 != cleanup_~tmp___0~2#1; 5622#L732-1true assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret56#1, isIdle_~retValue_acc~20#1, isIdle_~tmp~18#1;havoc isIdle_~retValue_acc~20#1;havoc isIdle_~tmp~18#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret51#1, anyStopRequested_#t~ret52#1, anyStopRequested_#t~ret53#1, anyStopRequested_#t~ret54#1, anyStopRequested_#t~ret55#1, anyStopRequested_~retValue_acc~19#1, anyStopRequested_~tmp~17#1, anyStopRequested_~tmp___0~4#1, anyStopRequested_~tmp___1~3#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~19#1;havoc anyStopRequested_~tmp~17#1;havoc anyStopRequested_~tmp___0~4#1;havoc anyStopRequested_~tmp___1~3#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~7#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~7#1; 6868#L1021-122true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~7#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~7#1; 5650#L1048-122true anyStopRequested_#t~ret51#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret51#1;havoc anyStopRequested_#t~ret51#1; 5100#L2078true assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~19#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~19#1; 2837#L2142true isIdle_#t~ret56#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~18#1 := isIdle_#t~ret56#1;havoc isIdle_#t~ret56#1;isIdle_~retValue_acc~20#1 := (if 0 == isIdle_~tmp~18#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~20#1; 1840#L2155true cleanup_#t~ret42#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~11#1 := cleanup_#t~ret42#1;havoc cleanup_#t~ret42#1; 3766#L744true assume !(0 != cleanup_~tmp~11#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret101#1, timeShift_~tmp~26#1;havoc timeShift_~tmp~26#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 154#L1979-6true timeShift_#t~ret101#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~26#1 := timeShift_#t~ret101#1;havoc timeShift_#t~ret101#1; 6770#L2929-2true assume 0 != timeShift_~tmp~26#1; 4510#L2930-3true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 2120#L2929-3true assume { :begin_inline___utac_acc__Specification1_spec__3 } true;havoc __utac_acc__Specification1_spec__3_#t~ret130#1, __utac_acc__Specification1_spec__3_#t~ret131#1, __utac_acc__Specification1_spec__3_#t~ret132#1, __utac_acc__Specification1_spec__3_#t~ret133#1, __utac_acc__Specification1_spec__3_#t~ret134#1, __utac_acc__Specification1_spec__3_#t~ret135#1, __utac_acc__Specification1_spec__3_~floor~0#1, __utac_acc__Specification1_spec__3_~tmp~29#1, __utac_acc__Specification1_spec__3_~tmp___0~11#1, __utac_acc__Specification1_spec__3_~tmp___1~8#1, __utac_acc__Specification1_spec__3_~tmp___2~6#1, __utac_acc__Specification1_spec__3_~tmp___3~5#1, __utac_acc__Specification1_spec__3_~tmp___4~3#1;havoc __utac_acc__Specification1_spec__3_~floor~0#1;havoc __utac_acc__Specification1_spec__3_~tmp~29#1;havoc __utac_acc__Specification1_spec__3_~tmp___0~11#1;havoc __utac_acc__Specification1_spec__3_~tmp___1~8#1;havoc __utac_acc__Specification1_spec__3_~tmp___2~6#1;havoc __utac_acc__Specification1_spec__3_~tmp___3~5#1;havoc __utac_acc__Specification1_spec__3_~tmp___4~3#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;havoc getCurrentFloorID_~retValue_acc~14#1;getCurrentFloorID_~retValue_acc~14#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~14#1; 1173#L1970-5true __utac_acc__Specification1_spec__3_#t~ret130#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification1_spec__3_~tmp~29#1 := __utac_acc__Specification1_spec__3_#t~ret130#1;havoc __utac_acc__Specification1_spec__3_#t~ret130#1;__utac_acc__Specification1_spec__3_~floor~0#1 := __utac_acc__Specification1_spec__3_~tmp~29#1; 1243#L3362-1true assume 0 == __utac_acc__Specification1_spec__3_~floor~0#1; 6930#L3363-1true assume 0 != ~landingButtons_spc1_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 4951#L1979-7true __utac_acc__Specification1_spec__3_#t~ret131#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification1_spec__3_~tmp___4~3#1 := __utac_acc__Specification1_spec__3_#t~ret131#1;havoc __utac_acc__Specification1_spec__3_#t~ret131#1; 1974#L3367-2true assume 0 != __utac_acc__Specification1_spec__3_~tmp___4~3#1;~landingButtons_spc1_0~0 := 0; 2816#L3422-1true assume { :end_inline___utac_acc__Specification1_spec__3 } true; 4292#L2947-1true assume { :end_inline_timeShift } true;cleanup_~i~2#1 := 1 + cleanup_~i~2#1; 6238#L724-2true [2022-07-22 02:25:33,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:25:33,104 INFO L85 PathProgramCache]: Analyzing trace with hash -923474938, now seen corresponding path program 1 times [2022-07-22 02:25:33,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:25:33,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23498637] [2022-07-22 02:25:33,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:25:33,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:25:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:25:33,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:25:33,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:25:33,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23498637] [2022-07-22 02:25:33,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23498637] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 02:25:33,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 02:25:33,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 02:25:33,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167517893] [2022-07-22 02:25:33,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 02:25:33,365 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-22 02:25:33,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:25:33,368 INFO L85 PathProgramCache]: Analyzing trace with hash -878875197, now seen corresponding path program 1 times [2022-07-22 02:25:33,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:25:33,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791524706] [2022-07-22 02:25:33,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:25:33,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:25:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:25:33,394 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:25:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:25:33,454 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:25:33,954 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 02:25:33,954 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 02:25:33,955 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 02:25:33,955 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 02:25:33,955 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 02:25:33,955 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:25:33,955 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 02:25:33,955 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 02:25:33,956 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec1_product30.cil.c_Iteration1_Loop [2022-07-22 02:25:33,956 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 02:25:33,956 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 02:25:33,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:33,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:33,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:33,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:33,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:33,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:33,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:33,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:33,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:33,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:33,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:34,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:34,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:34,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:34,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:34,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:34,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:34,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:34,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:34,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:34,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:34,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:34,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:34,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:34,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:34,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:34,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:34,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:34,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:34,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:34,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:34,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:34,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:34,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:25:34,374 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 02:25:34,375 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 02:25:34,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:25:34,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:25:34,383 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) [2022-07-22 02:25:34,395 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 02:25:34,395 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 02:25:34,406 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 [2022-07-22 02:25:34,418 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 02:25:34,419 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_#t~ret54#1=0} Honda state: {ULTIMATE.start_anyStopRequested_#t~ret54#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 02:25:34,443 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 [2022-07-22 02:25:34,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:25:34,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:25:34,445 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) [2022-07-22 02:25:34,447 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 [2022-07-22 02:25:34,448 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 02:25:34,448 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 02:25:34,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-22 02:25:34,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:25:34,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:25:34,496 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) [2022-07-22 02:25:34,498 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 [2022-07-22 02:25:34,504 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 02:25:34,504 INFO L160 nArgumentSynthesizer]: Using integer mode.