./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec2_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/elevator_spec2_product22.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 8090ac1e7e8284dad30217492085f9e11f6491349a4adb4aa3c2904a72e0131a --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 09:53:01,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 09:53:01,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 09:53:01,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 09:53:01,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 09:53:01,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 09:53:01,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 09:53:01,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 09:53:01,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 09:53:01,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 09:53:01,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 09:53:01,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 09:53:01,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 09:53:01,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 09:53:01,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 09:53:01,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 09:53:01,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 09:53:01,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 09:53:01,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 09:53:01,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 09:53:01,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 09:53:01,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 09:53:01,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 09:53:01,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 09:53:01,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 09:53:01,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 09:53:01,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 09:53:01,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 09:53:01,831 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 09:53:01,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 09:53:01,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 09:53:01,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 09:53:01,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 09:53:01,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 09:53:01,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 09:53:01,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 09:53:01,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 09:53:01,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 09:53:01,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 09:53:01,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 09:53:01,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 09:53:01,839 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-16 09:53:01,858 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 09:53:01,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 09:53:01,858 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 09:53:01,858 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 09:53:01,859 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 09:53:01,860 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 09:53:01,860 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 09:53:01,860 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-16 09:53:01,860 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-16 09:53:01,860 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-16 09:53:01,861 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-16 09:53:01,861 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-16 09:53:01,861 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-16 09:53:01,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 09:53:01,861 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 09:53:01,862 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-16 09:53:01,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 09:53:01,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 09:53:01,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 09:53:01,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-16 09:53:01,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-16 09:53:01,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-16 09:53:01,863 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 09:53:01,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 09:53:01,863 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-16 09:53:01,864 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 09:53:01,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-16 09:53:01,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 09:53:01,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 09:53:01,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 09:53:01,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 09:53:01,865 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 09:53:01,866 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-16 09:53:01,866 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8090ac1e7e8284dad30217492085f9e11f6491349a4adb4aa3c2904a72e0131a [2021-12-16 09:53:02,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 09:53:02,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 09:53:02,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 09:53:02,129 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 09:53:02,129 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 09:53:02,130 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec2_product22.cil.c [2021-12-16 09:53:02,221 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88043e122/367117dd64024603aa583d4bb5eca98d/FLAG623f1e533 [2021-12-16 09:53:02,774 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 09:53:02,774 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec2_product22.cil.c [2021-12-16 09:53:02,795 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88043e122/367117dd64024603aa583d4bb5eca98d/FLAG623f1e533 [2021-12-16 09:53:03,026 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88043e122/367117dd64024603aa583d4bb5eca98d [2021-12-16 09:53:03,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 09:53:03,031 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 09:53:03,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 09:53:03,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 09:53:03,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 09:53:03,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:53:03" (1/1) ... [2021-12-16 09:53:03,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39d22798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:53:03, skipping insertion in model container [2021-12-16 09:53:03,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:53:03" (1/1) ... [2021-12-16 09:53:03,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 09:53:03,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 09:53:03,259 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_spec2_product22.cil.c[1545,1558] [2021-12-16 09:53:03,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 09:53:03,574 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 09:53:03,590 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_spec2_product22.cil.c[1545,1558] [2021-12-16 09:53:03,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 09:53:03,719 INFO L208 MainTranslator]: Completed translation [2021-12-16 09:53:03,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:53:03 WrapperNode [2021-12-16 09:53:03,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 09:53:03,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 09:53:03,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 09:53:03,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 09:53:03,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:53:03" (1/1) ... [2021-12-16 09:53:03,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:53:03" (1/1) ... [2021-12-16 09:53:04,102 INFO L137 Inliner]: procedures = 94, calls = 345, calls flagged for inlining = 197, calls inlined = 734, statements flattened = 25393 [2021-12-16 09:53:04,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 09:53:04,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 09:53:04,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 09:53:04,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 09:53:04,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:53:03" (1/1) ... [2021-12-16 09:53:04,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:53:03" (1/1) ... [2021-12-16 09:53:04,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:53:03" (1/1) ... [2021-12-16 09:53:04,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:53:03" (1/1) ... [2021-12-16 09:53:04,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:53:03" (1/1) ... [2021-12-16 09:53:04,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:53:03" (1/1) ... [2021-12-16 09:53:04,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:53:03" (1/1) ... [2021-12-16 09:53:04,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 09:53:04,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 09:53:04,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 09:53:04,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 09:53:04,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:53:03" (1/1) ... [2021-12-16 09:53:04,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:53:04,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:53:04,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:53:04,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-16 09:53:04,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 09:53:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 09:53:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 09:53:04,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 09:53:04,941 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 09:53:04,944 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 09:53:12,496 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 09:53:12,559 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 09:53:12,560 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-16 09:53:12,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:53:12 BoogieIcfgContainer [2021-12-16 09:53:12,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 09:53:12,571 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-16 09:53:12,571 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-16 09:53:12,574 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-16 09:53:12,575 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:53:12,575 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.12 09:53:03" (1/3) ... [2021-12-16 09:53:12,576 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f2768da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 09:53:12, skipping insertion in model container [2021-12-16 09:53:12,576 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:53:12,577 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:53:03" (2/3) ... [2021-12-16 09:53:12,577 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f2768da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 09:53:12, skipping insertion in model container [2021-12-16 09:53:12,577 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:53:12,577 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:53:12" (3/3) ... [2021-12-16 09:53:12,578 INFO L388 chiAutomizerObserver]: Analyzing ICFG elevator_spec2_product22.cil.c [2021-12-16 09:53:12,622 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-16 09:53:12,622 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-16 09:53:12,622 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-16 09:53:12,623 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-16 09:53:12,623 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-16 09:53:12,623 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-16 09:53:12,623 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-16 09:53:12,623 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-16 09:53:12,735 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6881 states, 6880 states have (on average 1.8799418604651164) internal successors, (12934), 6880 states have internal predecessors, (12934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:53:12,876 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3424 [2021-12-16 09:53:12,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:53:12,876 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:53:12,896 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:53:12,897 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:53:12,897 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-16 09:53:12,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6881 states, 6880 states have (on average 1.8799418604651164) internal successors, (12934), 6880 states have internal predecessors, (12934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:53:12,995 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3424 [2021-12-16 09:53:12,996 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:53:12,996 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:53:13,002 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:53:13,003 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:53:13,013 INFO L791 eck$LassoCheckResult]: Stem: 5572#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);~cleanupTimeShifts~0 := 12;~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 3418#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~1#1, main_~tmp~8#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 5606#L1609true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1124#L1602true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1; 4854#L1617true main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 399#L408true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 2032#L377true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 1313#L3294true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~9#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~9#1; 2685#L1512true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~9#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~9#1; 6198#L1537true bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 2229#L781true assume 0 == initPersonOnFloor_~floor#1; 4445#L782true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 2599#L889-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 3303#L573true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 346#L585-2true assume { :end_inline_callOnFloor } true; 1770#L925true assume { :end_inline_initPersonOnFloor } true; 2307#L177true assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret94#1, timeShift_~tmp~23#1;havoc timeShift_~tmp~23#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; 2751#L1865true timeShift_#t~ret94#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~23#1 := timeShift_#t~ret94#1;havoc timeShift_#t~ret94#1; 803#L2815true assume 0 != timeShift_~tmp~23#1; 2662#L2816true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 3493#L2815-1true assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret129#1, __utac_acc__Specification2_spec__3_#t~ret130#1, __utac_acc__Specification2_spec__3_#t~ret131#1, __utac_acc__Specification2_spec__3_#t~ret132#1, __utac_acc__Specification2_spec__3_#t~ret133#1, __utac_acc__Specification2_spec__3_#t~ret134#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~28#1, __utac_acc__Specification2_spec__3_~tmp___0~11#1, __utac_acc__Specification2_spec__3_~tmp___1~8#1, __utac_acc__Specification2_spec__3_~tmp___2~6#1, __utac_acc__Specification2_spec__3_~tmp___3~5#1, __utac_acc__Specification2_spec__3_~tmp___4~3#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~28#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~11#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~8#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~6#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~5#1;havoc __utac_acc__Specification2_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; 3257#L1856-2true __utac_acc__Specification2_spec__3_#t~ret129#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~28#1 := __utac_acc__Specification2_spec__3_#t~ret129#1;havoc __utac_acc__Specification2_spec__3_#t~ret129#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~28#1; 2762#L3339true assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 4960#L3340true assume 0 != ~floorButtons_spc2_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; 3111#L1865-1true __utac_acc__Specification2_spec__3_#t~ret130#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~3#1 := __utac_acc__Specification2_spec__3_#t~ret130#1;havoc __utac_acc__Specification2_spec__3_#t~ret130#1; 1198#L3344true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3#1;~floorButtons_spc2_0~0 := 0; 1933#L3399true assume { :end_inline___utac_acc__Specification2_spec__3 } true; 4550#L2833true assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 4827#L207-2true [2021-12-16 09:53:13,019 INFO L793 eck$LassoCheckResult]: Loop: 4827#L207-2true assume !false; 614#L208true cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 3670#L211true assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#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; 4835#L1698true cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 732#L215true assume 1 != cleanup_~tmp___0~0#1; 6555#L215-1true assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret49#1, isIdle_~retValue_acc~20#1, isIdle_~tmp~15#1;havoc isIdle_~retValue_acc~20#1;havoc isIdle_~tmp~15#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret44#1, anyStopRequested_#t~ret45#1, anyStopRequested_#t~ret46#1, anyStopRequested_#t~ret47#1, anyStopRequested_#t~ret48#1, anyStopRequested_~retValue_acc~19#1, anyStopRequested_~tmp~14#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~19#1;havoc anyStopRequested_~tmp~14#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#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~2#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~2#1; 1946#L510-122true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~2#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~2#1; 52#L537-122true anyStopRequested_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret44#1;havoc anyStopRequested_#t~ret44#1; 5124#L1964true assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~19#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~19#1; 5917#L2028true isIdle_#t~ret49#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~15#1 := isIdle_#t~ret49#1;havoc isIdle_#t~ret49#1;isIdle_~retValue_acc~20#1 := (if 0 == isIdle_~tmp~15#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~20#1; 6654#L2041true cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 4420#L227true assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret94#1, timeShift_~tmp~23#1;havoc timeShift_~tmp~23#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; 3260#L1865-6true timeShift_#t~ret94#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~23#1 := timeShift_#t~ret94#1;havoc timeShift_#t~ret94#1; 1772#L2815-2true assume 0 != timeShift_~tmp~23#1; 314#L2816-3true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 321#L2815-3true assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret129#1, __utac_acc__Specification2_spec__3_#t~ret130#1, __utac_acc__Specification2_spec__3_#t~ret131#1, __utac_acc__Specification2_spec__3_#t~ret132#1, __utac_acc__Specification2_spec__3_#t~ret133#1, __utac_acc__Specification2_spec__3_#t~ret134#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~28#1, __utac_acc__Specification2_spec__3_~tmp___0~11#1, __utac_acc__Specification2_spec__3_~tmp___1~8#1, __utac_acc__Specification2_spec__3_~tmp___2~6#1, __utac_acc__Specification2_spec__3_~tmp___3~5#1, __utac_acc__Specification2_spec__3_~tmp___4~3#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~28#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~11#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~8#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~6#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~5#1;havoc __utac_acc__Specification2_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; 2856#L1856-5true __utac_acc__Specification2_spec__3_#t~ret129#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~28#1 := __utac_acc__Specification2_spec__3_#t~ret129#1;havoc __utac_acc__Specification2_spec__3_#t~ret129#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~28#1; 3443#L3339-1true assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 2178#L3340-1true assume 0 != ~floorButtons_spc2_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; 6111#L1865-7true __utac_acc__Specification2_spec__3_#t~ret130#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~3#1 := __utac_acc__Specification2_spec__3_#t~ret130#1;havoc __utac_acc__Specification2_spec__3_#t~ret130#1; 1934#L3344-2true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3#1;~floorButtons_spc2_0~0 := 0; 3842#L3399-1true assume { :end_inline___utac_acc__Specification2_spec__3 } true; 337#L2833-1true assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 4827#L207-2true [2021-12-16 09:53:13,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:53:13,025 INFO L85 PathProgramCache]: Analyzing trace with hash -442225058, now seen corresponding path program 1 times [2021-12-16 09:53:13,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:53:13,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264878516] [2021-12-16 09:53:13,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:53:13,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:53:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:53:13,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:53:13,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:53:13,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264878516] [2021-12-16 09:53:13,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264878516] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:53:13,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:53:13,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 09:53:13,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981288282] [2021-12-16 09:53:13,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:53:13,309 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:53:13,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:53:13,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1228517051, now seen corresponding path program 1 times [2021-12-16 09:53:13,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:53:13,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336249103] [2021-12-16 09:53:13,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:53:13,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:53:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:53:13,341 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:53:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:53:13,371 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:53:13,847 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:53:13,848 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:53:13,848 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:53:13,848 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:53:13,849 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-16 09:53:13,849 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:53:13,849 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:53:13,849 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:53:13,850 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product22.cil.c_Iteration1_Loop [2021-12-16 09:53:13,850 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:53:13,850 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:53:13,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:13,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:53:14,329 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:53:14,332 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-16 09:53:14,334 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:53:14,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:53:14,336 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:53:14,343 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:53:14,343 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:53:14,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-16 09:53:14,367 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-16 09:53:14,367 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_cleanup_#t~ret12#1=0} Honda state: {ULTIMATE.start_cleanup_#t~ret12#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-16 09:53:14,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-16 09:53:14,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:53:14,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:53:14,395 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:53:14,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-16 09:53:14,398 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:53:14,398 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:53:14,424 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-16 09:53:14,424 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret134#1=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret134#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-16 09:53:14,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-16 09:53:14,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:53:14,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:53:14,451 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:53:14,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-16 09:53:14,454 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:53:14,455 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:53:14,476 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-16 09:53:14,476 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_#t~ret45#1=0} Honda state: {ULTIMATE.start_anyStopRequested_#t~ret45#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-16 09:53:14,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-16 09:53:14,518 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:53:14,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:53:14,519 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:53:14,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-16 09:53:14,522 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:53:14,522 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:53:14,544 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-16 09:53:14,544 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_#t~ret46#1=0} Honda state: {ULTIMATE.start_anyStopRequested_#t~ret46#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-16 09:53:14,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-16 09:53:14,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:53:14,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:53:14,571 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:53:14,586 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 09:53:14,586 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 09:53:14,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-16 09:53:14,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-16 09:53:14,666 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:53:14,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:53:14,668 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:53:14,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-16 09:53:14,673 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-16 09:53:14,673 INFO L160 nArgumentSynthesizer]: Using integer mode.