./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec14_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3a877d22 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_spec14_product28.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 da76b57a1451220816a27c40b8cda655a945b2081fe69d46a431c484896fab87 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:12:08,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:12:08,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:12:08,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:12:08,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:12:08,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:12:08,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:12:08,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:12:08,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:12:08,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:12:08,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:12:08,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:12:08,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:12:08,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:12:08,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:12:08,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:12:08,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:12:08,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:12:08,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:12:08,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:12:08,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:12:08,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:12:08,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:12:08,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:12:08,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:12:08,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:12:08,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:12:08,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:12:08,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:12:08,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:12:08,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:12:08,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:12:08,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:12:08,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:12:08,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:12:08,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:12:08,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:12:08,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:12:08,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:12:08,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:12:08,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:12:08,820 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:12:08,835 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:12:08,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:12:08,841 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:12:08,841 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:12:08,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:12:08,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:12:08,843 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:12:08,843 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:12:08,843 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:12:08,844 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:12:08,844 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:12:08,844 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:12:08,845 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:12:08,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:12:08,845 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:12:08,845 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:12:08,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:12:08,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:12:08,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:12:08,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:12:08,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:12:08,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:12:08,846 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:12:08,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:12:08,848 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:12:08,848 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:12:08,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:12:08,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:12:08,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:12:08,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:12:08,849 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:12:08,850 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:12:08,851 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:12:08,851 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da76b57a1451220816a27c40b8cda655a945b2081fe69d46a431c484896fab87 [2021-12-15 17:12:09,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:12:09,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:12:09,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:12:09,114 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:12:09,116 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:12:09,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec14_product28.cil.c [2021-12-15 17:12:09,179 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bb16f29e/ea06c9d347e547b38502b99cfb3f56ba/FLAGf1472e569 [2021-12-15 17:12:09,682 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:12:09,682 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec14_product28.cil.c [2021-12-15 17:12:09,711 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bb16f29e/ea06c9d347e547b38502b99cfb3f56ba/FLAGf1472e569 [2021-12-15 17:12:10,185 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bb16f29e/ea06c9d347e547b38502b99cfb3f56ba [2021-12-15 17:12:10,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:12:10,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:12:10,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:12:10,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:12:10,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:12:10,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:12:10" (1/1) ... [2021-12-15 17:12:10,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec1ddc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:10, skipping insertion in model container [2021-12-15 17:12:10,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:12:10" (1/1) ... [2021-12-15 17:12:10,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:12:10,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:12:10,589 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_spec14_product28.cil.c[43703,43716] [2021-12-15 17:12:10,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:12:10,642 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:12:10,704 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_spec14_product28.cil.c[43703,43716] [2021-12-15 17:12:10,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:12:10,759 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:12:10,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:10 WrapperNode [2021-12-15 17:12:10,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:12:10,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:12:10,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:12:10,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:12:10,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:10" (1/1) ... [2021-12-15 17:12:10,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:10" (1/1) ... [2021-12-15 17:12:11,195 INFO L137 Inliner]: procedures = 94, calls = 341, calls flagged for inlining = 193, calls inlined = 1451, statements flattened = 44124 [2021-12-15 17:12:11,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:12:11,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:12:11,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:12:11,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:12:11,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:10" (1/1) ... [2021-12-15 17:12:11,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:10" (1/1) ... [2021-12-15 17:12:11,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:10" (1/1) ... [2021-12-15 17:12:11,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:10" (1/1) ... [2021-12-15 17:12:11,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:10" (1/1) ... [2021-12-15 17:12:11,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:10" (1/1) ... [2021-12-15 17:12:11,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:10" (1/1) ... [2021-12-15 17:12:12,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:12:12,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:12:12,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:12:12,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:12:12,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:10" (1/1) ... [2021-12-15 17:12:12,058 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:12:12,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:12:12,102 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) [2021-12-15 17:12:12,146 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 [2021-12-15 17:12:12,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:12:12,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:12:12,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:12:12,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:12:12,363 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:12:12,364 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:12:22,953 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:12:22,991 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:12:22,991 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 17:12:23,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:12:23 BoogieIcfgContainer [2021-12-15 17:12:23,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:12:23,004 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:12:23,004 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:12:23,007 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:12:23,007 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:12:23,008 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:12:10" (1/3) ... [2021-12-15 17:12:23,008 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5905c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:12:23, skipping insertion in model container [2021-12-15 17:12:23,008 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:12:23,008 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:10" (2/3) ... [2021-12-15 17:12:23,009 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5905c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:12:23, skipping insertion in model container [2021-12-15 17:12:23,009 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:12:23,009 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:12:23" (3/3) ... [2021-12-15 17:12:23,010 INFO L388 chiAutomizerObserver]: Analyzing ICFG elevator_spec14_product28.cil.c [2021-12-15 17:12:23,043 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:12:23,043 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:12:23,044 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:12:23,044 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:12:23,044 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:12:23,044 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:12:23,044 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:12:23,044 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:12:23,185 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12381 states, 12380 states have (on average 1.8653473344103393) internal successors, (23093), 12380 states have internal predecessors, (23093), 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) [2021-12-15 17:12:23,385 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2492 [2021-12-15 17:12:23,385 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:12:23,385 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:12:23,396 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:12:23,397 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] [2021-12-15 17:12:23,397 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:12:23,423 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12381 states, 12380 states have (on average 1.8653473344103393) internal successors, (23093), 12380 states have internal predecessors, (23093), 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) [2021-12-15 17:12:23,530 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2492 [2021-12-15 17:12:23,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:12:23,531 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:12:23,534 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:12:23,535 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] [2021-12-15 17:12:23,555 INFO L791 eck$LassoCheckResult]: Stem: 4934#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(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(9, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(21, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(25, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~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;~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; 2952#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret105#1, main_~retValue_acc~23#1, main_~tmp~24#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~24#1;assume { :begin_inline_select_helpers } true; 8818#L74true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2427#L67true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 5665#L82true main_#t~ret105#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~24#1 := main_#t~ret105#1;havoc main_#t~ret105#1; 4385#L2207true assume 0 != main_~tmp~24#1;assume { :begin_inline_setup } true; 2669#L2184true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret98#1, bigMacCall_~tmp~21#1;havoc bigMacCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 6680#L178true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 8274#L203true bigMacCall_#t~ret98#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~21#1 := bigMacCall_#t~ret98#1;havoc bigMacCall_#t~ret98#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 1004#L2674true assume 0 == initPersonOnFloor_~floor#1; 3798#L2675true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 1257#L2782-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 9176#L2466true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 3473#L2478-2true assume { :end_inline_callOnFloor } true; 9438#L2818true assume { :end_inline_initPersonOnFloor } true; 5386#L1989true assume { :end_inline_bigMacCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret62#1, timeShift_~tmp~13#1;havoc timeShift_~tmp~13#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 743#L517true timeShift_#t~ret62#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~13#1 := timeShift_#t~ret62#1;havoc timeShift_#t~ret62#1; 11609#L1459true assume 0 != timeShift_~tmp~13#1; 11847#L1460true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 11963#L1459-1true assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret5#1, __utac_acc__Specification14_spec__1_#t~ret6#1, __utac_acc__Specification14_spec__1_#t~ret7#1, __utac_acc__Specification14_spec__1_#t~ret8#1, __utac_acc__Specification14_spec__1_~tmp~0#1, __utac_acc__Specification14_spec__1_~tmp___0~0#1, __utac_acc__Specification14_spec__1_~tmp___1~0#1, __utac_acc__Specification14_spec__1_~tmp___2~0#1;havoc __utac_acc__Specification14_spec__1_~tmp~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~0#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret91#1, isExecutiveFloorCalling_~retValue_acc~20#1;havoc isExecutiveFloorCalling_~retValue_acc~20#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~24#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~24#1; 4226#L2403-50true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~24#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~24#1; 11528#L2430-50true isExecutiveFloorCalling_#t~ret91#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~20#1 := isExecutiveFloorCalling_#t~ret91#1;havoc isExecutiveFloorCalling_#t~ret91#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~20#1; 2127#L1839-6true __utac_acc__Specification14_spec__1_#t~ret5#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~0#1 := __utac_acc__Specification14_spec__1_#t~ret5#1;havoc __utac_acc__Specification14_spec__1_#t~ret5#1; 9131#L106true assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~0#1); 11686#L106-1true assume { :end_inline___utac_acc__Specification14_spec__1 } true; 2185#L1477true assume { :end_inline_timeShift } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret62#1, timeShift_~tmp~13#1;havoc timeShift_~tmp~13#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 7603#L517-2true timeShift_#t~ret62#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~13#1 := timeShift_#t~ret62#1;havoc timeShift_#t~ret62#1; 4265#L1459-2true assume 0 != timeShift_~tmp~13#1; 9701#L1460-3true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 9890#L1459-3true assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret5#1, __utac_acc__Specification14_spec__1_#t~ret6#1, __utac_acc__Specification14_spec__1_#t~ret7#1, __utac_acc__Specification14_spec__1_#t~ret8#1, __utac_acc__Specification14_spec__1_~tmp~0#1, __utac_acc__Specification14_spec__1_~tmp___0~0#1, __utac_acc__Specification14_spec__1_~tmp___1~0#1, __utac_acc__Specification14_spec__1_~tmp___2~0#1;havoc __utac_acc__Specification14_spec__1_~tmp~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~0#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret91#1, isExecutiveFloorCalling_~retValue_acc~20#1;havoc isExecutiveFloorCalling_~retValue_acc~20#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~24#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~24#1; 10404#L2403-101true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~24#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~24#1; 8117#L2430-101true isExecutiveFloorCalling_#t~ret91#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~20#1 := isExecutiveFloorCalling_#t~ret91#1;havoc isExecutiveFloorCalling_#t~ret91#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~20#1; 5303#L1839-13true __utac_acc__Specification14_spec__1_#t~ret5#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~0#1 := __utac_acc__Specification14_spec__1_#t~ret5#1;havoc __utac_acc__Specification14_spec__1_#t~ret5#1; 3989#L106-2true assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~0#1); 5518#L106-3true assume { :end_inline___utac_acc__Specification14_spec__1 } true; 5584#L1477-1true assume { :end_inline_timeShift } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret62#1, timeShift_~tmp~13#1;havoc timeShift_~tmp~13#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 7397#L517-4true timeShift_#t~ret62#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~13#1 := timeShift_#t~ret62#1;havoc timeShift_#t~ret62#1; 2040#L1459-4true assume 0 != timeShift_~tmp~13#1; 28#L1460-6true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 7791#L1459-5true assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret5#1, __utac_acc__Specification14_spec__1_#t~ret6#1, __utac_acc__Specification14_spec__1_#t~ret7#1, __utac_acc__Specification14_spec__1_#t~ret8#1, __utac_acc__Specification14_spec__1_~tmp~0#1, __utac_acc__Specification14_spec__1_~tmp___0~0#1, __utac_acc__Specification14_spec__1_~tmp___1~0#1, __utac_acc__Specification14_spec__1_~tmp___2~0#1;havoc __utac_acc__Specification14_spec__1_~tmp~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~0#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret91#1, isExecutiveFloorCalling_~retValue_acc~20#1;havoc isExecutiveFloorCalling_~retValue_acc~20#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~24#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~24#1; 3882#L2403-152true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~24#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~24#1; 8732#L2430-152true isExecutiveFloorCalling_#t~ret91#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~20#1 := isExecutiveFloorCalling_#t~ret91#1;havoc isExecutiveFloorCalling_#t~ret91#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~20#1; 8376#L1839-20true __utac_acc__Specification14_spec__1_#t~ret5#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~0#1 := __utac_acc__Specification14_spec__1_#t~ret5#1;havoc __utac_acc__Specification14_spec__1_#t~ret5#1; 6369#L106-4true assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~0#1); 3496#L106-5true assume { :end_inline___utac_acc__Specification14_spec__1 } true; 9985#L1477-2true assume { :end_inline_timeShift } true; 11230#L2001true assume { :end_inline_threeTS } true;assume { :begin_inline_bobCall } true;havoc bobCall_#t~ret93#1, bobCall_~tmp~16#1;havoc bobCall_~tmp~16#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 0;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 7227#L178-1true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 3851#L203-1true bobCall_#t~ret93#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bobCall_~tmp~16#1 := bobCall_#t~ret93#1;havoc bobCall_#t~ret93#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 0, bobCall_~tmp~16#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 3803#L2674-1true assume 0 == initPersonOnFloor_~floor#1; 8082#L2675-2true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 7305#L2782-3true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 6612#L2466-2true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 5439#L2478-5true assume { :end_inline_callOnFloor } true; 7131#L2818-1true assume { :end_inline_initPersonOnFloor } true; 12038#L1934true assume { :end_inline_bobCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret99#1, cleanup_#t~ret100#1, cleanup_~i~1#1, cleanup_~tmp~22#1, cleanup_~tmp___0~9#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~1#1;havoc cleanup_~tmp~22#1;havoc cleanup_~tmp___0~9#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret62#1, timeShift_~tmp~13#1;havoc timeShift_~tmp~13#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 3517#L517-6true timeShift_#t~ret62#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~13#1 := timeShift_#t~ret62#1;havoc timeShift_#t~ret62#1; 5631#L1459-6true assume 0 != timeShift_~tmp~13#1; 3471#L1460-9true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 7590#L1459-7true assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret5#1, __utac_acc__Specification14_spec__1_#t~ret6#1, __utac_acc__Specification14_spec__1_#t~ret7#1, __utac_acc__Specification14_spec__1_#t~ret8#1, __utac_acc__Specification14_spec__1_~tmp~0#1, __utac_acc__Specification14_spec__1_~tmp___0~0#1, __utac_acc__Specification14_spec__1_~tmp___1~0#1, __utac_acc__Specification14_spec__1_~tmp___2~0#1;havoc __utac_acc__Specification14_spec__1_~tmp~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~0#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret91#1, isExecutiveFloorCalling_~retValue_acc~20#1;havoc isExecutiveFloorCalling_~retValue_acc~20#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~24#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~24#1; 10133#L2403-203true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~24#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~24#1; 2456#L2430-203true isExecutiveFloorCalling_#t~ret91#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~20#1 := isExecutiveFloorCalling_#t~ret91#1;havoc isExecutiveFloorCalling_#t~ret91#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~20#1; 850#L1839-27true __utac_acc__Specification14_spec__1_#t~ret5#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~0#1 := __utac_acc__Specification14_spec__1_#t~ret5#1;havoc __utac_acc__Specification14_spec__1_#t~ret5#1; 11215#L106-6true assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~0#1); 9077#L106-7true assume { :end_inline___utac_acc__Specification14_spec__1 } true; 1270#L1477-3true assume { :end_inline_timeShift } true;cleanup_~i~1#1 := 0; 2510#L2016-2true [2021-12-15 17:12:23,556 INFO L793 eck$LassoCheckResult]: Loop: 2510#L2016-2true assume !false; 9709#L2017true cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 11119#L2020true assume cleanup_~i~1#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 2850#L335true cleanup_#t~ret99#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~9#1 := cleanup_#t~ret99#1;havoc cleanup_#t~ret99#1; 8359#L2024true assume 1 != cleanup_~tmp___0~9#1; 11320#L2024-1true assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret17#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~5#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~5#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret12#1, anyStopRequested_#t~ret13#1, anyStopRequested_#t~ret14#1, anyStopRequested_#t~ret15#1, anyStopRequested_#t~ret16#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~4#1, anyStopRequested_~tmp___0~1#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~4#1;havoc anyStopRequested_~tmp___0~1#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~24#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~24#1; 2727#L2403-204true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~24#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~24#1; 12299#L2430-204true anyStopRequested_#t~ret12#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret12#1;havoc anyStopRequested_#t~ret12#1; 4919#L616true assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 7667#L680true isIdle_#t~ret17#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~5#1 := isIdle_#t~ret17#1;havoc isIdle_#t~ret17#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~5#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 5682#L693true cleanup_#t~ret100#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~22#1 := cleanup_#t~ret100#1;havoc cleanup_#t~ret100#1; 6843#L2036true assume !(0 != cleanup_~tmp~22#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret62#1, timeShift_~tmp~13#1;havoc timeShift_~tmp~13#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 11168#L517-8true timeShift_#t~ret62#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~13#1 := timeShift_#t~ret62#1;havoc timeShift_#t~ret62#1; 10880#L1459-8true assume 0 != timeShift_~tmp~13#1; 10439#L1460-12true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 8403#L1459-9true assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret5#1, __utac_acc__Specification14_spec__1_#t~ret6#1, __utac_acc__Specification14_spec__1_#t~ret7#1, __utac_acc__Specification14_spec__1_#t~ret8#1, __utac_acc__Specification14_spec__1_~tmp~0#1, __utac_acc__Specification14_spec__1_~tmp___0~0#1, __utac_acc__Specification14_spec__1_~tmp___1~0#1, __utac_acc__Specification14_spec__1_~tmp___2~0#1;havoc __utac_acc__Specification14_spec__1_~tmp~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~0#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret91#1, isExecutiveFloorCalling_~retValue_acc~20#1;havoc isExecutiveFloorCalling_~retValue_acc~20#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~24#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~24#1; 10628#L2403-259true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~24#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~24#1; 10969#L2430-259true isExecutiveFloorCalling_#t~ret91#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~20#1 := isExecutiveFloorCalling_#t~ret91#1;havoc isExecutiveFloorCalling_#t~ret91#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~20#1; 3941#L1839-34true __utac_acc__Specification14_spec__1_#t~ret5#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~0#1 := __utac_acc__Specification14_spec__1_#t~ret5#1;havoc __utac_acc__Specification14_spec__1_#t~ret5#1; 2747#L106-8true assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~0#1); 6776#L106-9true assume { :end_inline___utac_acc__Specification14_spec__1 } true; 8542#L1477-4true assume { :end_inline_timeShift } true;cleanup_~i~1#1 := 1 + cleanup_~i~1#1; 2510#L2016-2true [2021-12-15 17:12:23,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:12:23,561 INFO L85 PathProgramCache]: Analyzing trace with hash 657115362, now seen corresponding path program 1 times [2021-12-15 17:12:23,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:12:23,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016026775] [2021-12-15 17:12:23,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:12:23,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:12:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:12:23,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:12:23,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:12:23,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016026775] [2021-12-15 17:12:23,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016026775] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:12:23,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:12:23,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:12:23,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905181521] [2021-12-15 17:12:23,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:12:23,812 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:12:23,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:12:23,812 INFO L85 PathProgramCache]: Analyzing trace with hash 814953932, now seen corresponding path program 1 times [2021-12-15 17:12:23,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:12:23,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334740049] [2021-12-15 17:12:23,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:12:23,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:12:23,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:12:23,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:12:23,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:12:23,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334740049] [2021-12-15 17:12:23,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334740049] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:12:23,899 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:12:23,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-15 17:12:23,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955010447] [2021-12-15 17:12:23,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:12:23,900 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:12:23,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:12:23,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-15 17:12:23,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-15 17:12:23,966 INFO L87 Difference]: Start difference. First operand has 12381 states, 12380 states have (on average 1.8653473344103393) internal successors, (23093), 12380 states have internal predecessors, (23093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2021-12-15 17:12:38,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:12:38,830 INFO L93 Difference]: Finished difference Result 183759 states and 342765 transitions. [2021-12-15 17:12:38,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-15 17:12:38,834 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 183759 states and 342765 transitions. [2021-12-15 17:12:40,168 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62372 [2021-12-15 17:12:41,171 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 183759 states to 183602 states and 342581 transitions. [2021-12-15 17:12:41,172 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 183602 [2021-12-15 17:12:41,343 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 183602 [2021-12-15 17:12:41,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 183602 states and 342581 transitions. [2021-12-15 17:12:41,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:12:41,526 INFO L681 BuchiCegarLoop]: Abstraction has 183602 states and 342581 transitions. [2021-12-15 17:12:41,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183602 states and 342581 transitions. [2021-12-15 17:12:42,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183602 to 24692. [2021-12-15 17:12:42,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24692 states, 24692 states have (on average 1.8650170095577514) internal successors, (46051), 24691 states have internal predecessors, (46051), 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) [2021-12-15 17:12:42,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24692 states to 24692 states and 46051 transitions. [2021-12-15 17:12:42,989 INFO L704 BuchiCegarLoop]: Abstraction has 24692 states and 46051 transitions. [2021-12-15 17:12:42,989 INFO L587 BuchiCegarLoop]: Abstraction has 24692 states and 46051 transitions. [2021-12-15 17:12:42,989 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-15 17:12:42,990 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24692 states and 46051 transitions. [2021-12-15 17:12:43,068 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4987 [2021-12-15 17:12:43,068 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:12:43,068 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:12:43,074 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:12:43,074 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] [2021-12-15 17:12:43,075 INFO L791 eck$LassoCheckResult]: Stem: 204633#ULTIMATE.startENTRY 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(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(9, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(21, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(25, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~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;~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; 201990#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret105#1, main_~retValue_acc~23#1, main_~tmp~24#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~24#1;assume { :begin_inline_select_helpers } true; 201991#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 201164#L67 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 201165#L82 main_#t~ret105#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~24#1 := main_#t~ret105#1;havoc main_#t~ret105#1; 203975#L2207 assume 0 != main_~tmp~24#1;assume { :begin_inline_setup } true; 201556#L2184 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret98#1, bigMacCall_~tmp~21#1;havoc bigMacCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 201557#L178 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 202374#L203 bigMacCall_#t~ret98#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~21#1 := bigMacCall_#t~ret98#1;havoc bigMacCall_#t~ret98#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 198571#L2674 assume 0 == initPersonOnFloor_~floor#1; 198572#L2675 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 197476#L2782-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 199088#L2466 assume !(0 == callOnFloor_~floorID#1); 206393#L2469 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 201128#L2478-2 assume { :end_inline_callOnFloor } true; 202755#L2818 assume { :end_inline_initPersonOnFloor } true; 205125#L1989 assume { :end_inline_bigMacCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret62#1, timeShift_~tmp~13#1;havoc timeShift_~tmp~13#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 205126#L517 timeShift_#t~ret62#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~13#1 := timeShift_#t~ret62#1;havoc timeShift_#t~ret62#1; 208824#L1459 assume 0 != timeShift_~tmp~13#1; 208826#L1460 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 208926#L1459-1 assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret5#1, __utac_acc__Specification14_spec__1_#t~ret6#1, __utac_acc__Specification14_spec__1_#t~ret7#1, __utac_acc__Specification14_spec__1_#t~ret8#1, __utac_acc__Specification14_spec__1_~tmp~0#1, __utac_acc__Specification14_spec__1_~tmp___0~0#1, __utac_acc__Specification14_spec__1_~tmp___1~0#1, __utac_acc__Specification14_spec__1_~tmp___2~0#1;havoc __utac_acc__Specification14_spec__1_~tmp~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~0#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret91#1, isExecutiveFloorCalling_~retValue_acc~20#1;havoc isExecutiveFloorCalling_~retValue_acc~20#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~24#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~24#1; 203773#L2403-50 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~24#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~24#1; 202433#L2430-50 isExecutiveFloorCalling_#t~ret91#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~20#1 := isExecutiveFloorCalling_#t~ret91#1;havoc isExecutiveFloorCalling_#t~ret91#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~20#1; 200681#L1839-6 __utac_acc__Specification14_spec__1_#t~ret5#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~0#1 := __utac_acc__Specification14_spec__1_#t~ret5#1;havoc __utac_acc__Specification14_spec__1_#t~ret5#1; 200682#L106 assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~0#1); 204223#L106-1 assume { :end_inline___utac_acc__Specification14_spec__1 } true; 200767#L1477 assume { :end_inline_timeShift } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret62#1, timeShift_~tmp~13#1;havoc timeShift_~tmp~13#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 200768#L517-2 timeShift_#t~ret62#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~13#1 := timeShift_#t~ret62#1;havoc timeShift_#t~ret62#1; 203823#L1459-2 assume 0 != timeShift_~tmp~13#1; 203824#L1460-3 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 208916#L1459-3 assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret5#1, __utac_acc__Specification14_spec__1_#t~ret6#1, __utac_acc__Specification14_spec__1_#t~ret7#1, __utac_acc__Specification14_spec__1_#t~ret8#1, __utac_acc__Specification14_spec__1_~tmp~0#1, __utac_acc__Specification14_spec__1_~tmp___0~0#1, __utac_acc__Specification14_spec__1_~tmp___1~0#1, __utac_acc__Specification14_spec__1_~tmp___2~0#1;havoc __utac_acc__Specification14_spec__1_~tmp~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~0#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret91#1, isExecutiveFloorCalling_~retValue_acc~20#1;havoc isExecutiveFloorCalling_~retValue_acc~20#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~24#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~24#1; 208543#L2403-101 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~24#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~24#1; 200649#L2430-101 isExecutiveFloorCalling_#t~ret91#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~20#1 := isExecutiveFloorCalling_#t~ret91#1;havoc isExecutiveFloorCalling_#t~ret91#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~20#1; 205035#L1839-13 __utac_acc__Specification14_spec__1_#t~ret5#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~0#1 := __utac_acc__Specification14_spec__1_#t~ret5#1;havoc __utac_acc__Specification14_spec__1_#t~ret5#1; 205036#L106-2 assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~0#1); 205272#L106-3 assume { :end_inline___utac_acc__Specification14_spec__1 } true; 205273#L1477-1 assume { :end_inline_timeShift } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret62#1, timeShift_~tmp~13#1;havoc timeShift_~tmp~13#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 205340#L517-4 timeShift_#t~ret62#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~13#1 := timeShift_#t~ret62#1;havoc timeShift_#t~ret62#1; 200522#L1459-4 assume 0 != timeShift_~tmp~13#1; 200524#L1460-6 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 210976#L1459-5 assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret5#1, __utac_acc__Specification14_spec__1_#t~ret6#1, __utac_acc__Specification14_spec__1_#t~ret7#1, __utac_acc__Specification14_spec__1_#t~ret8#1, __utac_acc__Specification14_spec__1_~tmp~0#1, __utac_acc__Specification14_spec__1_~tmp___0~0#1, __utac_acc__Specification14_spec__1_~tmp___1~0#1, __utac_acc__Specification14_spec__1_~tmp___2~0#1;havoc __utac_acc__Specification14_spec__1_~tmp~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~0#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret91#1, isExecutiveFloorCalling_~retValue_acc~20#1;havoc isExecutiveFloorCalling_~retValue_acc~20#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~24#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~24#1; 203322#L2403-152 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~24#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~24#1; 203323#L2430-152 isExecutiveFloorCalling_#t~ret91#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~20#1 := isExecutiveFloorCalling_#t~ret91#1;havoc isExecutiveFloorCalling_#t~ret91#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~20#1; 207617#L1839-20 __utac_acc__Specification14_spec__1_#t~ret5#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~0#1 := __utac_acc__Specification14_spec__1_#t~ret5#1;havoc __utac_acc__Specification14_spec__1_#t~ret5#1; 207618#L106-4 assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~0#1); 198657#L106-5 assume { :end_inline___utac_acc__Specification14_spec__1 } true; 202783#L1477-2 assume { :end_inline_timeShift } true; 208405#L2001 assume { :end_inline_threeTS } true;assume { :begin_inline_bobCall } true;havoc bobCall_#t~ret93#1, bobCall_~tmp~16#1;havoc bobCall_~tmp~16#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 0;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 206835#L178-1 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 201192#L203-1 bobCall_#t~ret93#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bobCall_~tmp~16#1 := bobCall_#t~ret93#1;havoc bobCall_#t~ret93#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 0, bobCall_~tmp~16#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 203215#L2674-1 assume 0 == initPersonOnFloor_~floor#1; 203216#L2675-2 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 198835#L2782-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 206315#L2466-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 198220#L2478-5 assume { :end_inline_callOnFloor } true; 206755#L2818-1 assume { :end_inline_initPersonOnFloor } true; 206756#L1934 assume { :end_inline_bobCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret99#1, cleanup_#t~ret100#1, cleanup_~i~1#1, cleanup_~tmp~22#1, cleanup_~tmp___0~9#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~1#1;havoc cleanup_~tmp~22#1;havoc cleanup_~tmp___0~9#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret62#1, timeShift_~tmp~13#1;havoc timeShift_~tmp~13#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 202818#L517-6 timeShift_#t~ret62#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~13#1 := timeShift_#t~ret62#1;havoc timeShift_#t~ret62#1; 202819#L1459-6 assume 0 != timeShift_~tmp~13#1; 202752#L1460-9 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 201720#L1459-7 assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret5#1, __utac_acc__Specification14_spec__1_#t~ret6#1, __utac_acc__Specification14_spec__1_#t~ret7#1, __utac_acc__Specification14_spec__1_#t~ret8#1, __utac_acc__Specification14_spec__1_~tmp~0#1, __utac_acc__Specification14_spec__1_~tmp___0~0#1, __utac_acc__Specification14_spec__1_~tmp___1~0#1, __utac_acc__Specification14_spec__1_~tmp___2~0#1;havoc __utac_acc__Specification14_spec__1_~tmp~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~0#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret91#1, isExecutiveFloorCalling_~retValue_acc~20#1;havoc isExecutiveFloorCalling_~retValue_acc~20#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~24#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~24#1; 207100#L2403-203 assume !(0 == isFloorCalling_~floorID#1); 208911#L2407-203 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~24#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~24#1; 211247#L2430-203 isExecutiveFloorCalling_#t~ret91#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~20#1 := isExecutiveFloorCalling_#t~ret91#1;havoc isExecutiveFloorCalling_#t~ret91#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~20#1; 211246#L1839-27 __utac_acc__Specification14_spec__1_#t~ret5#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~0#1 := __utac_acc__Specification14_spec__1_#t~ret5#1;havoc __utac_acc__Specification14_spec__1_#t~ret5#1; 211245#L106-6 assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~0#1); 211244#L106-7 assume { :end_inline___utac_acc__Specification14_spec__1 } true; 211243#L1477-3 assume { :end_inline_timeShift } true;cleanup_~i~1#1 := 0; 211241#L2016-2 [2021-12-15 17:12:43,075 INFO L793 eck$LassoCheckResult]: Loop: 211241#L2016-2 assume !false; 211240#L2017 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 211239#L2020 assume cleanup_~i~1#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~5#1;havoc isBlocked_~retValue_acc~5#1;isBlocked_~retValue_acc~5#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~5#1; 211238#L335 cleanup_#t~ret99#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~9#1 := cleanup_#t~ret99#1;havoc cleanup_#t~ret99#1; 210965#L2024 assume 1 != cleanup_~tmp___0~9#1; 208767#L2024-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret17#1, isIdle_~retValue_acc~12#1, isIdle_~tmp~5#1;havoc isIdle_~retValue_acc~12#1;havoc isIdle_~tmp~5#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret12#1, anyStopRequested_#t~ret13#1, anyStopRequested_#t~ret14#1, anyStopRequested_#t~ret15#1, anyStopRequested_#t~ret16#1, anyStopRequested_~retValue_acc~11#1, anyStopRequested_~tmp~4#1, anyStopRequested_~tmp___0~1#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~11#1;havoc anyStopRequested_~tmp~4#1;havoc anyStopRequested_~tmp___0~1#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~24#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~24#1; 201649#L2403-204 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~24#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~24#1; 201650#L2430-204 anyStopRequested_#t~ret12#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret12#1;havoc anyStopRequested_#t~ret12#1; 204615#L616 assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~11#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; 197081#L680 isIdle_#t~ret17#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~5#1 := isIdle_#t~ret17#1;havoc isIdle_#t~ret17#1;isIdle_~retValue_acc~12#1 := (if 0 == isIdle_~tmp~5#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~12#1; 205436#L693 cleanup_#t~ret100#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~22#1 := cleanup_#t~ret100#1;havoc cleanup_#t~ret100#1; 205437#L2036 assume !(0 != cleanup_~tmp~22#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret62#1, timeShift_~tmp~13#1;havoc timeShift_~tmp~13#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~7#1;havoc areDoorsOpen_~retValue_acc~7#1;areDoorsOpen_~retValue_acc~7#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; 206523#L517-8 timeShift_#t~ret62#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~13#1 := timeShift_#t~ret62#1;havoc timeShift_#t~ret62#1; 208685#L1459-8 assume 0 != timeShift_~tmp~13#1; 208560#L1460-12 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 204101#L1459-9 assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret5#1, __utac_acc__Specification14_spec__1_#t~ret6#1, __utac_acc__Specification14_spec__1_#t~ret7#1, __utac_acc__Specification14_spec__1_#t~ret8#1, __utac_acc__Specification14_spec__1_~tmp~0#1, __utac_acc__Specification14_spec__1_~tmp___0~0#1, __utac_acc__Specification14_spec__1_~tmp___1~0#1, __utac_acc__Specification14_spec__1_~tmp___2~0#1;havoc __utac_acc__Specification14_spec__1_~tmp~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~0#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret91#1, isExecutiveFloorCalling_~retValue_acc~20#1;havoc isExecutiveFloorCalling_~retValue_acc~20#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~24#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~24#1; 208612#L2403-259 assume !(0 == isFloorCalling_~floorID#1); 208614#L2407-259 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~24#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~24#1; 211254#L2430-259 isExecutiveFloorCalling_#t~ret91#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~20#1 := isExecutiveFloorCalling_#t~ret91#1;havoc isExecutiveFloorCalling_#t~ret91#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~20#1; 211253#L1839-34 __utac_acc__Specification14_spec__1_#t~ret5#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~0#1 := __utac_acc__Specification14_spec__1_#t~ret5#1;havoc __utac_acc__Specification14_spec__1_#t~ret5#1; 211252#L106-8 assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~0#1); 211251#L106-9 assume { :end_inline___utac_acc__Specification14_spec__1 } true; 211242#L1477-4 assume { :end_inline_timeShift } true;cleanup_~i~1#1 := 1 + cleanup_~i~1#1; 211241#L2016-2 [2021-12-15 17:12:43,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:12:43,076 INFO L85 PathProgramCache]: Analyzing trace with hash -456364534, now seen corresponding path program 1 times [2021-12-15 17:12:43,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:12:43,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487805984] [2021-12-15 17:12:43,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:12:43,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:12:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:12:43,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:12:43,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:12:43,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487805984] [2021-12-15 17:12:43,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487805984] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:12:43,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:12:43,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:12:43,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188409865] [2021-12-15 17:12:43,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:12:43,164 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:12:43,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:12:43,164 INFO L85 PathProgramCache]: Analyzing trace with hash 722255158, now seen corresponding path program 1 times [2021-12-15 17:12:43,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:12:43,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280184182] [2021-12-15 17:12:43,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:12:43,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:12:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:12:43,177 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:12:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:12:43,212 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:12:43,544 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:548) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLoopTermination(LassoCheck.java:944) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:818) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 17:12:43,548 INFO L158 Benchmark]: Toolchain (without parser) took 33358.38ms. Allocated memory was 90.2MB in the beginning and 4.4GB in the end (delta: 4.3GB). Free memory was 55.0MB in the beginning and 3.2GB in the end (delta: -3.2GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2021-12-15 17:12:43,549 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 90.2MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:12:43,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 567.36ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 54.7MB in the beginning and 58.0MB in the end (delta: -3.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 17:12:43,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 434.90ms. Allocated memory was 109.1MB in the beginning and 205.5MB in the end (delta: 96.5MB). Free memory was 58.0MB in the beginning and 122.2MB in the end (delta: -64.2MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. [2021-12-15 17:12:43,550 INFO L158 Benchmark]: Boogie Preprocessor took 812.12ms. Allocated memory is still 205.5MB. Free memory was 121.4MB in the beginning and 59.0MB in the end (delta: 62.4MB). Peak memory consumption was 92.5MB. Max. memory is 16.1GB. [2021-12-15 17:12:43,550 INFO L158 Benchmark]: RCFGBuilder took 10994.40ms. Allocated memory was 205.5MB in the beginning and 908.1MB in the end (delta: 702.5MB). Free memory was 59.0MB in the beginning and 643.1MB in the end (delta: -584.1MB). Peak memory consumption was 544.2MB. Max. memory is 16.1GB. [2021-12-15 17:12:43,550 INFO L158 Benchmark]: BuchiAutomizer took 20542.64ms. Allocated memory was 908.1MB in the beginning and 4.4GB in the end (delta: 3.5GB). Free memory was 643.1MB in the beginning and 3.2GB in the end (delta: -2.6GB). Peak memory consumption was 890.2MB. Max. memory is 16.1GB. [2021-12-15 17:12:43,552 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 90.2MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 567.36ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 54.7MB in the beginning and 58.0MB in the end (delta: -3.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 434.90ms. Allocated memory was 109.1MB in the beginning and 205.5MB in the end (delta: 96.5MB). Free memory was 58.0MB in the beginning and 122.2MB in the end (delta: -64.2MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 812.12ms. Allocated memory is still 205.5MB. Free memory was 121.4MB in the beginning and 59.0MB in the end (delta: 62.4MB). Peak memory consumption was 92.5MB. Max. memory is 16.1GB. * RCFGBuilder took 10994.40ms. Allocated memory was 205.5MB in the beginning and 908.1MB in the end (delta: 702.5MB). Free memory was 59.0MB in the beginning and 643.1MB in the end (delta: -584.1MB). Peak memory consumption was 544.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 20542.64ms. Allocated memory was 908.1MB in the beginning and 4.4GB in the end (delta: 3.5GB). Free memory was 643.1MB in the beginning and 3.2GB in the end (delta: -2.6GB). Peak memory consumption was 890.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 17:12:43,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable