./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec1_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_spec1_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 bff47839034fd9cbb920af5a298a9e1741d5a9c8d5dbee3233345fdc3046fb27 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:13:08,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:13:08,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:13:08,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:13:08,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:13:08,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:13:08,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:13:08,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:13:08,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:13:08,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:13:08,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:13:08,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:13:08,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:13:08,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:13:08,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:13:08,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:13:08,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:13:08,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:13:08,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:13:08,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:13:08,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:13:08,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:13:08,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:13:08,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:13:08,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:13:08,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:13:08,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:13:08,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:13:08,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:13:08,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:13:08,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:13:09,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:13:09,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:13:09,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:13:09,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:13:09,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:13:09,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:13:09,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:13:09,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:13:09,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:13:09,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:13:09,028 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:13:09,071 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:13:09,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:13:09,072 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:13:09,072 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:13:09,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:13:09,074 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:13:09,074 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:13:09,074 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:13:09,074 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:13:09,074 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:13:09,075 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:13:09,075 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:13:09,075 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:13:09,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:13:09,076 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:13:09,076 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:13:09,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:13:09,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:13:09,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:13:09,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:13:09,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:13:09,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:13:09,077 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:13:09,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:13:09,077 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:13:09,077 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:13:09,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:13:09,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:13:09,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:13:09,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:13:09,078 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:13:09,078 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:13:09,079 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:13:09,079 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bff47839034fd9cbb920af5a298a9e1741d5a9c8d5dbee3233345fdc3046fb27 [2021-12-15 17:13:09,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:13:09,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:13:09,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:13:09,365 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:13:09,366 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:13:09,367 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec1_product28.cil.c [2021-12-15 17:13:09,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/866f911e8/4a23a67a7edd435c9503b1cfe6342e9a/FLAG665310bc9 [2021-12-15 17:13:09,954 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:13:09,957 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec1_product28.cil.c [2021-12-15 17:13:09,977 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/866f911e8/4a23a67a7edd435c9503b1cfe6342e9a/FLAG665310bc9 [2021-12-15 17:13:10,402 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/866f911e8/4a23a67a7edd435c9503b1cfe6342e9a [2021-12-15 17:13:10,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:13:10,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:13:10,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:13:10,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:13:10,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:13:10,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:13:10" (1/1) ... [2021-12-15 17:13:10,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25526752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:10, skipping insertion in model container [2021-12-15 17:13:10,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:13:10" (1/1) ... [2021-12-15 17:13:10,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:13:10,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:13:10,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec1_product28.cil.c[63597,63610] [2021-12-15 17:13:11,031 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:13:11,043 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:13:11,136 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec1_product28.cil.c[63597,63610] [2021-12-15 17:13:11,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:13:11,181 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:13:11,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:11 WrapperNode [2021-12-15 17:13:11,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:13:11,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:13:11,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:13:11,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:13:11,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:11" (1/1) ... [2021-12-15 17:13:11,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:11" (1/1) ... [2021-12-15 17:13:11,433 INFO L137 Inliner]: procedures = 97, calls = 349, calls flagged for inlining = 201, calls inlined = 604, statements flattened = 18167 [2021-12-15 17:13:11,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:13:11,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:13:11,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:13:11,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:13:11,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:11" (1/1) ... [2021-12-15 17:13:11,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:11" (1/1) ... [2021-12-15 17:13:11,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:11" (1/1) ... [2021-12-15 17:13:11,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:11" (1/1) ... [2021-12-15 17:13:11,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:11" (1/1) ... [2021-12-15 17:13:11,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:11" (1/1) ... [2021-12-15 17:13:11,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:11" (1/1) ... [2021-12-15 17:13:11,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:13:11,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:13:11,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:13:11,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:13:11,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:11" (1/1) ... [2021-12-15 17:13:11,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:13:11,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:13:11,803 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 17:13:11,827 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 17:13:11,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:13:11,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:13:11,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:13:11,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:13:12,054 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:13:12,056 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:13:16,854 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:13:16,887 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:13:16,888 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 17:13:16,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:13:16 BoogieIcfgContainer [2021-12-15 17:13:16,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:13:16,894 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:13:16,894 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:13:16,897 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:13:16,897 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:13:16,897 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:13:10" (1/3) ... [2021-12-15 17:13:16,898 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46bf784e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:13:16, skipping insertion in model container [2021-12-15 17:13:16,898 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:13:16,898 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:11" (2/3) ... [2021-12-15 17:13:16,898 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46bf784e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:13:16, skipping insertion in model container [2021-12-15 17:13:16,898 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:13:16,899 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:13:16" (3/3) ... [2021-12-15 17:13:16,899 INFO L388 chiAutomizerObserver]: Analyzing ICFG elevator_spec1_product28.cil.c [2021-12-15 17:13:16,932 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:13:16,932 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:13:16,933 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:13:16,933 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:13:16,933 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:13:16,933 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:13:16,933 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:13:16,933 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:13:17,002 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 5092 states, 5091 states have (on average 1.8630917305048125) internal successors, (9485), 5091 states have internal predecessors, (9485), 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 17:13:17,092 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2498 [2021-12-15 17:13:17,093 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:13:17,093 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:13:17,104 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] [2021-12-15 17:13:17,104 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 17:13:17,104 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:13:17,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 5092 states, 5091 states have (on average 1.8630917305048125) internal successors, (9485), 5091 states have internal predecessors, (9485), 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 17:13:17,218 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2498 [2021-12-15 17:13:17,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:13:17,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:13:17,221 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] [2021-12-15 17:13:17,221 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 17:13:17,225 INFO L791 eck$LassoCheckResult]: Stem: 3137#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~cleanupTimeShifts~0 := 12;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~landingButtons_spc1_0~0 := 0;~landingButtons_spc1_1~0 := 0;~landingButtons_spc1_2~0 := 0;~landingButtons_spc1_3~0 := 0;~landingButtons_spc1_4~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 4966#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~1#1, main_~tmp~8#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 1883#L555true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2417#L548true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 3406#L563true main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 1959#L399true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 1858#L368true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification1_spec__1 } true;~landingButtons_spc1_0~0 := 0;~landingButtons_spc1_1~0 := 0;~landingButtons_spc1_2~0 := 0;~landingButtons_spc1_3~0 := 0;~landingButtons_spc1_4~0 := 0; 806#L589true assume { :end_inline___utac_acc__Specification1_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 1408#L458true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 3118#L483true bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 901#L1119true assume 0 == initPersonOnFloor_~floor#1; 1504#L1120true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 523#L1227-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1, callOnFloor_~__utac__ad__arg1~0#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;havoc callOnFloor_~__utac__ad__arg1~0#1;callOnFloor_~__utac__ad__arg1~0#1 := callOnFloor_~floorID#1;assume { :begin_inline___utac_acc__Specification1_spec__2 } true;__utac_acc__Specification1_spec__2_#in~floor#1 := callOnFloor_~__utac__ad__arg1~0#1;havoc __utac_acc__Specification1_spec__2_~floor#1;__utac_acc__Specification1_spec__2_~floor#1 := __utac_acc__Specification1_spec__2_#in~floor#1; 4971#L596true assume 0 == __utac_acc__Specification1_spec__2_~floor#1;~landingButtons_spc1_0~0 := 1; 4541#L608-2true assume { :end_inline___utac_acc__Specification1_spec__2 } true; 3727#L911true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 717#L923-2true assume { :end_inline_callOnFloor } true; 277#L1263true assume { :end_inline_initPersonOnFloor } true; 3014#L168true assume { :end_inline_bigMacCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret7#1, angelinaCall_~tmp~2#1;havoc angelinaCall_~tmp~2#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;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; 2666#L458-1true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 1028#L483-1true angelinaCall_#t~ret7#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~2#1 := angelinaCall_#t~ret7#1;havoc angelinaCall_#t~ret7#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~2#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 2420#L1119-1true assume 0 == initPersonOnFloor_~floor#1; 1642#L1120-2true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 1327#L1227-3true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1, callOnFloor_~__utac__ad__arg1~0#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;havoc callOnFloor_~__utac__ad__arg1~0#1;callOnFloor_~__utac__ad__arg1~0#1 := callOnFloor_~floorID#1;assume { :begin_inline___utac_acc__Specification1_spec__2 } true;__utac_acc__Specification1_spec__2_#in~floor#1 := callOnFloor_~__utac__ad__arg1~0#1;havoc __utac_acc__Specification1_spec__2_~floor#1;__utac_acc__Specification1_spec__2_~floor#1 := __utac_acc__Specification1_spec__2_#in~floor#1; 462#L596-2true assume 0 == __utac_acc__Specification1_spec__2_~floor#1;~landingButtons_spc1_0~0 := 1; 3736#L608-5true assume { :end_inline___utac_acc__Specification1_spec__2 } true; 3509#L911-2true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 3602#L923-5true assume { :end_inline_callOnFloor } true; 3188#L1263-1true assume { :end_inline_initPersonOnFloor } true; 4554#L135true assume { :end_inline_angelinaCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret84#1, timeShift_~tmp~24#1;havoc timeShift_~tmp~24#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 2734#L1773true timeShift_#t~ret84#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~24#1 := timeShift_#t~ret84#1;havoc timeShift_#t~ret84#1; 888#L2715true assume 0 != timeShift_~tmp~24#1; 4621#L2716true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 2370#L2715-1true assume { :begin_inline___utac_acc__Specification1_spec__3 } true;havoc __utac_acc__Specification1_spec__3_#t~ret19#1, __utac_acc__Specification1_spec__3_#t~ret20#1, __utac_acc__Specification1_spec__3_#t~ret21#1, __utac_acc__Specification1_spec__3_#t~ret22#1, __utac_acc__Specification1_spec__3_#t~ret23#1, __utac_acc__Specification1_spec__3_#t~ret24#1, __utac_acc__Specification1_spec__3_~floor~0#1, __utac_acc__Specification1_spec__3_~tmp~9#1, __utac_acc__Specification1_spec__3_~tmp___0~2#1, __utac_acc__Specification1_spec__3_~tmp___1~1#1, __utac_acc__Specification1_spec__3_~tmp___2~1#1, __utac_acc__Specification1_spec__3_~tmp___3~0#1, __utac_acc__Specification1_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification1_spec__3_~floor~0#1;havoc __utac_acc__Specification1_spec__3_~tmp~9#1;havoc __utac_acc__Specification1_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification1_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification1_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification1_spec__3_~tmp___4~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~11#1;havoc getCurrentFloorID_~retValue_acc~11#1;getCurrentFloorID_~retValue_acc~11#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~11#1; 4387#L1764-6true __utac_acc__Specification1_spec__3_#t~ret19#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification1_spec__3_~tmp~9#1 := __utac_acc__Specification1_spec__3_#t~ret19#1;havoc __utac_acc__Specification1_spec__3_#t~ret19#1;__utac_acc__Specification1_spec__3_~floor~0#1 := __utac_acc__Specification1_spec__3_~tmp~9#1; 5026#L634true assume 0 == __utac_acc__Specification1_spec__3_~floor~0#1; 678#L635true assume 0 != ~landingButtons_spc1_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 2231#L1773-1true __utac_acc__Specification1_spec__3_#t~ret20#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification1_spec__3_~tmp___4~0#1 := __utac_acc__Specification1_spec__3_#t~ret20#1;havoc __utac_acc__Specification1_spec__3_#t~ret20#1; 3708#L639true assume 0 != __utac_acc__Specification1_spec__3_~tmp___4~0#1;~landingButtons_spc1_0~0 := 0; 3608#L694true assume { :end_inline___utac_acc__Specification1_spec__3 } true; 2751#L2733true assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 2430#L198-2true [2021-12-15 17:13:17,226 INFO L793 eck$LassoCheckResult]: Loop: 2430#L198-2true assume !false; 4662#L199true cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 581#L202true assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 2064#L1591true cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 3202#L206true assume 1 != cleanup_~tmp___0~0#1; 2132#L206-1true assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret39#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~16#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~16#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret34#1, anyStopRequested_#t~ret35#1, anyStopRequested_#t~ret36#1, anyStopRequested_#t~ret37#1, anyStopRequested_#t~ret38#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~15#1, anyStopRequested_~tmp___0~5#1, anyStopRequested_~tmp___1~4#1, anyStopRequested_~tmp___2~2#1, anyStopRequested_~tmp___3~1#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~15#1;havoc anyStopRequested_~tmp___0~5#1;havoc anyStopRequested_~tmp___1~4#1;havoc anyStopRequested_~tmp___2~2#1;havoc anyStopRequested_~tmp___3~1#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~7#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~7#1; 4778#L844-50true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~7#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~7#1; 1447#L871-50true anyStopRequested_#t~ret34#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~1#1 := anyStopRequested_#t~ret34#1;havoc anyStopRequested_#t~ret34#1; 84#L1872true assume 0 != anyStopRequested_~tmp___3~1#1;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 2594#L1936true isIdle_#t~ret39#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~16#1 := isIdle_#t~ret39#1;havoc isIdle_#t~ret39#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~16#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 4286#L1949true cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 844#L218true assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret84#1, timeShift_~tmp~24#1;havoc timeShift_~tmp~24#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 3240#L1773-6true timeShift_#t~ret84#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~24#1 := timeShift_#t~ret84#1;havoc timeShift_#t~ret84#1; 3995#L2715-2true assume 0 != timeShift_~tmp~24#1; 1613#L2716-3true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 4637#L2715-3true assume { :begin_inline___utac_acc__Specification1_spec__3 } true;havoc __utac_acc__Specification1_spec__3_#t~ret19#1, __utac_acc__Specification1_spec__3_#t~ret20#1, __utac_acc__Specification1_spec__3_#t~ret21#1, __utac_acc__Specification1_spec__3_#t~ret22#1, __utac_acc__Specification1_spec__3_#t~ret23#1, __utac_acc__Specification1_spec__3_#t~ret24#1, __utac_acc__Specification1_spec__3_~floor~0#1, __utac_acc__Specification1_spec__3_~tmp~9#1, __utac_acc__Specification1_spec__3_~tmp___0~2#1, __utac_acc__Specification1_spec__3_~tmp___1~1#1, __utac_acc__Specification1_spec__3_~tmp___2~1#1, __utac_acc__Specification1_spec__3_~tmp___3~0#1, __utac_acc__Specification1_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification1_spec__3_~floor~0#1;havoc __utac_acc__Specification1_spec__3_~tmp~9#1;havoc __utac_acc__Specification1_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification1_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification1_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification1_spec__3_~tmp___4~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~11#1;havoc getCurrentFloorID_~retValue_acc~11#1;getCurrentFloorID_~retValue_acc~11#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~11#1; 2605#L1764-13true __utac_acc__Specification1_spec__3_#t~ret19#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification1_spec__3_~tmp~9#1 := __utac_acc__Specification1_spec__3_#t~ret19#1;havoc __utac_acc__Specification1_spec__3_#t~ret19#1;__utac_acc__Specification1_spec__3_~floor~0#1 := __utac_acc__Specification1_spec__3_~tmp~9#1; 66#L634-1true assume 0 == __utac_acc__Specification1_spec__3_~floor~0#1; 3662#L635-1true assume 0 != ~landingButtons_spc1_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 520#L1773-7true __utac_acc__Specification1_spec__3_#t~ret20#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification1_spec__3_~tmp___4~0#1 := __utac_acc__Specification1_spec__3_#t~ret20#1;havoc __utac_acc__Specification1_spec__3_#t~ret20#1; 1775#L639-2true assume 0 != __utac_acc__Specification1_spec__3_~tmp___4~0#1;~landingButtons_spc1_0~0 := 0; 1248#L694-1true assume { :end_inline___utac_acc__Specification1_spec__3 } true; 3067#L2733-1true assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 2430#L198-2true [2021-12-15 17:13:17,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:13:17,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1624346374, now seen corresponding path program 1 times [2021-12-15 17:13:17,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:13:17,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770802685] [2021-12-15 17:13:17,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:13:17,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:13:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:13:17,391 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 17:13:17,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:13:17,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770802685] [2021-12-15 17:13:17,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770802685] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:13:17,393 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:13:17,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:13:17,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748832842] [2021-12-15 17:13:17,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:13:17,398 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:13:17,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:13:17,398 INFO L85 PathProgramCache]: Analyzing trace with hash -114298855, now seen corresponding path program 1 times [2021-12-15 17:13:17,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:13:17,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911478196] [2021-12-15 17:13:17,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:13:17,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:13:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:13:17,413 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:13:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:13:17,439 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:13:17,835 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 17:13:17,839 INFO L158 Benchmark]: Toolchain (without parser) took 7432.73ms. Allocated memory was 88.1MB in the beginning and 471.9MB in the end (delta: 383.8MB). Free memory was 52.3MB in the beginning and 292.7MB in the end (delta: -240.4MB). Peak memory consumption was 141.5MB. Max. memory is 16.1GB. [2021-12-15 17:13:17,839 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 88.1MB. Free memory was 44.7MB in the beginning and 44.6MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:13:17,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 784.72ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 52.0MB in the beginning and 71.4MB in the end (delta: -19.4MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2021-12-15 17:13:17,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 241.28ms. Allocated memory is still 123.7MB. Free memory was 71.4MB in the beginning and 70.9MB in the end (delta: 522.5kB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2021-12-15 17:13:17,840 INFO L158 Benchmark]: Boogie Preprocessor took 336.02ms. Allocated memory is still 123.7MB. Free memory was 70.6MB in the beginning and 47.9MB in the end (delta: 22.7MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2021-12-15 17:13:17,841 INFO L158 Benchmark]: RCFGBuilder took 5122.19ms. Allocated memory was 123.7MB in the beginning and 471.9MB in the end (delta: 348.1MB). Free memory was 47.9MB in the beginning and 224.2MB in the end (delta: -176.3MB). Peak memory consumption was 207.7MB. Max. memory is 16.1GB. [2021-12-15 17:13:17,841 INFO L158 Benchmark]: BuchiAutomizer took 943.32ms. Allocated memory is still 471.9MB. Free memory was 224.2MB in the beginning and 292.7MB in the end (delta: -68.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:13:17,843 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 88.1MB. Free memory was 44.7MB in the beginning and 44.6MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 784.72ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 52.0MB in the beginning and 71.4MB in the end (delta: -19.4MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 241.28ms. Allocated memory is still 123.7MB. Free memory was 71.4MB in the beginning and 70.9MB in the end (delta: 522.5kB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 336.02ms. Allocated memory is still 123.7MB. Free memory was 70.6MB in the beginning and 47.9MB in the end (delta: 22.7MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. * RCFGBuilder took 5122.19ms. Allocated memory was 123.7MB in the beginning and 471.9MB in the end (delta: 348.1MB). Free memory was 47.9MB in the beginning and 224.2MB in the end (delta: -176.3MB). Peak memory consumption was 207.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 943.32ms. Allocated memory is still 471.9MB. Free memory was 224.2MB in the beginning and 292.7MB in the end (delta: -68.5MB). There was no memory consumed. 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 17:13:17,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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