./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec1_product24.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_product24.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 bcf02459061acfdf5a11fb9ee5e832193100590b0367d937f266d29520f326a3 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:12:57,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:12:57,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:12:57,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:12:57,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:12:57,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:12:57,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:12:57,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:12:57,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:12:57,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:12:57,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:12:57,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:12:57,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:12:57,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:12:57,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:12:57,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:12:57,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:12:57,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:12:57,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:12:57,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:12:57,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:12:57,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:12:57,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:12:57,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:12:57,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:12:57,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:12:57,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:12:57,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:12:57,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:12:57,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:12:57,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:12:57,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:12:57,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:12:57,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:12:57,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:12:57,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:12:57,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:12:57,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:12:57,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:12:57,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:12:57,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:12:57,631 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:12:57,650 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:12:57,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:12:57,653 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:12:57,653 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:12:57,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:12:57,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:12:57,655 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:12:57,655 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:12:57,656 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:12:57,656 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:12:57,656 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:12:57,656 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:12:57,657 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:12:57,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:12:57,657 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:12:57,657 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:12:57,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:12:57,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:12:57,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:12:57,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:12:57,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:12:57,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:12:57,659 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:12:57,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:12:57,660 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:12:57,660 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:12:57,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:12:57,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:12:57,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:12:57,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:12:57,662 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:12:57,662 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:12:57,663 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:12:57,663 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcf02459061acfdf5a11fb9ee5e832193100590b0367d937f266d29520f326a3 [2021-12-15 17:12:57,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:12:57,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:12:57,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:12:57,953 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:12:57,954 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:12:57,955 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec1_product24.cil.c [2021-12-15 17:12:58,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bf017ddc/2ace54d866054e31bb8c5c835381c191/FLAGbc54b2ee2 [2021-12-15 17:12:58,557 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:12:58,558 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec1_product24.cil.c [2021-12-15 17:12:58,590 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bf017ddc/2ace54d866054e31bb8c5c835381c191/FLAGbc54b2ee2 [2021-12-15 17:12:58,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bf017ddc/2ace54d866054e31bb8c5c835381c191 [2021-12-15 17:12:58,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:12:58,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:12:58,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:12:58,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:12:59,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:12:59,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:12:58" (1/1) ... [2021-12-15 17:12:59,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@731b846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:59, skipping insertion in model container [2021-12-15 17:12:59,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:12:58" (1/1) ... [2021-12-15 17:12:59,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:12:59,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:12:59,378 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_product24.cil.c[11232,11245] [2021-12-15 17:12:59,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:12:59,669 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:12:59,703 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_product24.cil.c[11232,11245] [2021-12-15 17:12:59,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:12:59,807 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:12:59,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:59 WrapperNode [2021-12-15 17:12:59,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:12:59,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:12:59,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:12:59,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:12:59,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:59" (1/1) ... [2021-12-15 17:12:59,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:59" (1/1) ... [2021-12-15 17:13:00,192 INFO L137 Inliner]: procedures = 98, calls = 354, calls flagged for inlining = 206, calls inlined = 788, statements flattened = 26527 [2021-12-15 17:13:00,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:13:00,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:13:00,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:13:00,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:13:00,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:59" (1/1) ... [2021-12-15 17:13:00,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:59" (1/1) ... [2021-12-15 17:13:00,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:59" (1/1) ... [2021-12-15 17:13:00,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:59" (1/1) ... [2021-12-15 17:13:00,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:59" (1/1) ... [2021-12-15 17:13:00,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:59" (1/1) ... [2021-12-15 17:13:00,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:59" (1/1) ... [2021-12-15 17:13:00,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:13:00,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:13:00,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:13:00,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:13:00,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:59" (1/1) ... [2021-12-15 17:13:00,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:13:00,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:13:00,930 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 17:13:00,932 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 17:13:00,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:13:00,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:13:00,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:13:00,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:13:01,120 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:13:01,122 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:13:09,619 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:13:09,663 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:13:09,664 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 17:13:09,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:13:09 BoogieIcfgContainer [2021-12-15 17:13:09,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:13:09,677 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:13:09,677 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:13:09,681 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:13:09,681 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:13:09,682 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:12:58" (1/3) ... [2021-12-15 17:13:09,683 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b404d1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:13:09, skipping insertion in model container [2021-12-15 17:13:09,683 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:13:09,683 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:12:59" (2/3) ... [2021-12-15 17:13:09,683 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b404d1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:13:09, skipping insertion in model container [2021-12-15 17:13:09,684 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:13:09,684 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:13:09" (3/3) ... [2021-12-15 17:13:09,685 INFO L388 chiAutomizerObserver]: Analyzing ICFG elevator_spec1_product24.cil.c [2021-12-15 17:13:09,731 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:13:09,731 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:13:09,731 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:13:09,732 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:13:09,732 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:13:09,732 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:13:09,732 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:13:09,732 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:13:09,870 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7020 states, 7019 states have (on average 1.874483544664482) internal successors, (13157), 7019 states have internal predecessors, (13157), 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 17:13:10,039 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3462 [2021-12-15 17:13:10,039 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:13:10,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:13:10,058 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 17:13:10,059 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 17:13:10,075 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:13:10,107 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7020 states, 7019 states have (on average 1.874483544664482) internal successors, (13157), 7019 states have internal predecessors, (13157), 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 17:13:10,218 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3462 [2021-12-15 17:13:10,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:13:10,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:13:10,227 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 17:13:10,227 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 17:13:10,238 INFO L791 eck$LassoCheckResult]: Stem: 5651#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 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;~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;~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; 3451#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret40#1, main_~retValue_acc~4#1, main_~tmp~11#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 531#L3533true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 6673#L3526true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~31#1;havoc valid_product_~retValue_acc~31#1;valid_product_~retValue_acc~31#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~31#1; 3281#L3541true main_#t~ret40#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret40#1;havoc main_#t~ret40#1; 5422#L774true assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 6054#L743true 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; 4874#L3213true assume { :end_inline___utac_acc__Specification1_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret33#1, bigMacCall_~tmp~8#1;havoc bigMacCall_~tmp~8#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 6293#L3436true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 2350#L3461true bigMacCall_#t~ret33#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~8#1 := bigMacCall_#t~ret33#1;havoc bigMacCall_#t~ret33#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~8#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 1716#L1152true assume 0 == initPersonOnFloor_~floor#1; 1843#L1153true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 348#L1260-1true 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; 1556#L3220true assume 0 == __utac_acc__Specification1_spec__2_~floor#1;~landingButtons_spc1_0~0 := 1; 6445#L3232-2true assume { :end_inline___utac_acc__Specification1_spec__2 } true; 4055#L944true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 269#L956-2true assume { :end_inline_callOnFloor } true; 3316#L1296true assume { :end_inline_initPersonOnFloor } true; 2928#L543true assume { :end_inline_bigMacCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret30#1, angelinaCall_~tmp~5#1;havoc angelinaCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 682#L3436-1true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 1161#L3461-1true angelinaCall_#t~ret30#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~5#1 := angelinaCall_#t~ret30#1;havoc angelinaCall_#t~ret30#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 6974#L1152-1true assume 0 == initPersonOnFloor_~floor#1; 2538#L1153-2true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 1266#L1260-3true 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; 1426#L3220-2true assume 0 == __utac_acc__Specification1_spec__2_~floor#1;~landingButtons_spc1_0~0 := 1; 4611#L3232-5true assume { :end_inline___utac_acc__Specification1_spec__2 } true; 3725#L944-2true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 328#L956-5true assume { :end_inline_callOnFloor } true; 5062#L1296-1true assume { :end_inline_initPersonOnFloor } true; 6738#L510true assume { :end_inline_angelinaCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret34#1, cleanup_#t~ret35#1, cleanup_~i~0#1, cleanup_~tmp~9#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~2#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~9#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~2#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret100#1, timeShift_~tmp~25#1;havoc timeShift_~tmp~25#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 6710#L1703true timeShift_#t~ret100#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~25#1 := timeShift_#t~ret100#1;havoc timeShift_#t~ret100#1; 6106#L2714true assume 0 != timeShift_~tmp~25#1; 4110#L2715true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 3108#L2714-1true assume { :begin_inline___utac_acc__Specification1_spec__3 } true;havoc __utac_acc__Specification1_spec__3_#t~ret136#1, __utac_acc__Specification1_spec__3_#t~ret137#1, __utac_acc__Specification1_spec__3_#t~ret138#1, __utac_acc__Specification1_spec__3_#t~ret139#1, __utac_acc__Specification1_spec__3_#t~ret140#1, __utac_acc__Specification1_spec__3_#t~ret141#1, __utac_acc__Specification1_spec__3_~floor~0#1, __utac_acc__Specification1_spec__3_~tmp~30#1, __utac_acc__Specification1_spec__3_~tmp___0~13#1, __utac_acc__Specification1_spec__3_~tmp___1~8#1, __utac_acc__Specification1_spec__3_~tmp___2~6#1, __utac_acc__Specification1_spec__3_~tmp___3~5#1, __utac_acc__Specification1_spec__3_~tmp___4~3#1;havoc __utac_acc__Specification1_spec__3_~floor~0#1;havoc __utac_acc__Specification1_spec__3_~tmp~30#1;havoc __utac_acc__Specification1_spec__3_~tmp___0~13#1;havoc __utac_acc__Specification1_spec__3_~tmp___1~8#1;havoc __utac_acc__Specification1_spec__3_~tmp___2~6#1;havoc __utac_acc__Specification1_spec__3_~tmp___3~5#1;havoc __utac_acc__Specification1_spec__3_~tmp___4~3#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 521#L1694-10true __utac_acc__Specification1_spec__3_#t~ret136#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification1_spec__3_~tmp~30#1 := __utac_acc__Specification1_spec__3_#t~ret136#1;havoc __utac_acc__Specification1_spec__3_#t~ret136#1;__utac_acc__Specification1_spec__3_~floor~0#1 := __utac_acc__Specification1_spec__3_~tmp~30#1; 352#L3258true assume 0 == __utac_acc__Specification1_spec__3_~floor~0#1; 4184#L3259true assume 0 != ~landingButtons_spc1_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 3593#L1703-1true __utac_acc__Specification1_spec__3_#t~ret137#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification1_spec__3_~tmp___4~3#1 := __utac_acc__Specification1_spec__3_#t~ret137#1;havoc __utac_acc__Specification1_spec__3_#t~ret137#1; 861#L3263true assume 0 != __utac_acc__Specification1_spec__3_~tmp___4~3#1;~landingButtons_spc1_0~0 := 0; 1091#L3318true assume { :end_inline___utac_acc__Specification1_spec__3 } true; 2221#L2732true assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 3396#L573-2true [2021-12-15 17:13:10,247 INFO L793 eck$LassoCheckResult]: Loop: 3396#L573-2true assume !false; 41#L574true cleanup_~__cil_tmp4~2#1 := ~cleanupTimeShifts~0 - 1; 1050#L577true assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~2#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~8#1;havoc isBlocked_~retValue_acc~8#1;isBlocked_~retValue_acc~8#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~8#1; 6598#L1541true cleanup_#t~ret34#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret34#1;havoc cleanup_#t~ret34#1; 628#L581true assume 1 != cleanup_~tmp___0~0#1; 1030#L581-1true assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret48#1, isIdle_~retValue_acc~15#1, isIdle_~tmp~15#1;havoc isIdle_~retValue_acc~15#1;havoc isIdle_~tmp~15#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret43#1, anyStopRequested_#t~ret44#1, anyStopRequested_#t~ret45#1, anyStopRequested_#t~ret46#1, anyStopRequested_#t~ret47#1, anyStopRequested_~retValue_acc~14#1, anyStopRequested_~tmp~14#1, anyStopRequested_~tmp___0~2#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~14#1;havoc anyStopRequested_~tmp~14#1;havoc anyStopRequested_~tmp___0~2#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 6461#L876-130true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 7020#L903-130true anyStopRequested_#t~ret43#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret43#1;havoc anyStopRequested_#t~ret43#1; 3874#L1802true assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~14#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~14#1; 5329#L1866true isIdle_#t~ret48#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~15#1 := isIdle_#t~ret48#1;havoc isIdle_#t~ret48#1;isIdle_~retValue_acc~15#1 := (if 0 == isIdle_~tmp~15#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~15#1; 3195#L1879true cleanup_#t~ret35#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~9#1 := cleanup_#t~ret35#1;havoc cleanup_#t~ret35#1; 4208#L593true assume !(0 != cleanup_~tmp~9#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret100#1, timeShift_~tmp~25#1;havoc timeShift_~tmp~25#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 4633#L1703-6true timeShift_#t~ret100#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~25#1 := timeShift_#t~ret100#1;havoc timeShift_#t~ret100#1; 2433#L2714-2true assume 0 != timeShift_~tmp~25#1; 3245#L2715-3true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 4755#L2714-3true assume { :begin_inline___utac_acc__Specification1_spec__3 } true;havoc __utac_acc__Specification1_spec__3_#t~ret136#1, __utac_acc__Specification1_spec__3_#t~ret137#1, __utac_acc__Specification1_spec__3_#t~ret138#1, __utac_acc__Specification1_spec__3_#t~ret139#1, __utac_acc__Specification1_spec__3_#t~ret140#1, __utac_acc__Specification1_spec__3_#t~ret141#1, __utac_acc__Specification1_spec__3_~floor~0#1, __utac_acc__Specification1_spec__3_~tmp~30#1, __utac_acc__Specification1_spec__3_~tmp___0~13#1, __utac_acc__Specification1_spec__3_~tmp___1~8#1, __utac_acc__Specification1_spec__3_~tmp___2~6#1, __utac_acc__Specification1_spec__3_~tmp___3~5#1, __utac_acc__Specification1_spec__3_~tmp___4~3#1;havoc __utac_acc__Specification1_spec__3_~floor~0#1;havoc __utac_acc__Specification1_spec__3_~tmp~30#1;havoc __utac_acc__Specification1_spec__3_~tmp___0~13#1;havoc __utac_acc__Specification1_spec__3_~tmp___1~8#1;havoc __utac_acc__Specification1_spec__3_~tmp___2~6#1;havoc __utac_acc__Specification1_spec__3_~tmp___3~5#1;havoc __utac_acc__Specification1_spec__3_~tmp___4~3#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 6925#L1694-21true __utac_acc__Specification1_spec__3_#t~ret136#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification1_spec__3_~tmp~30#1 := __utac_acc__Specification1_spec__3_#t~ret136#1;havoc __utac_acc__Specification1_spec__3_#t~ret136#1;__utac_acc__Specification1_spec__3_~floor~0#1 := __utac_acc__Specification1_spec__3_~tmp~30#1; 1938#L3258-1true assume 0 == __utac_acc__Specification1_spec__3_~floor~0#1; 3371#L3259-1true assume 0 != ~landingButtons_spc1_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 3306#L1703-7true __utac_acc__Specification1_spec__3_#t~ret137#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification1_spec__3_~tmp___4~3#1 := __utac_acc__Specification1_spec__3_#t~ret137#1;havoc __utac_acc__Specification1_spec__3_#t~ret137#1; 6440#L3263-2true assume 0 != __utac_acc__Specification1_spec__3_~tmp___4~3#1;~landingButtons_spc1_0~0 := 0; 1390#L3318-1true assume { :end_inline___utac_acc__Specification1_spec__3 } true; 6216#L2732-1true assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 3396#L573-2true [2021-12-15 17:13:10,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:13:10,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1079636230, now seen corresponding path program 1 times [2021-12-15 17:13:10,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:13:10,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153675222] [2021-12-15 17:13:10,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:13:10,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:13:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:13:10,575 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 17:13:10,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:13:10,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153675222] [2021-12-15 17:13:10,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153675222] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:13:10,583 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:13:10,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:13:10,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564088792] [2021-12-15 17:13:10,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:13:10,589 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:13:10,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:13:10,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1940531491, now seen corresponding path program 1 times [2021-12-15 17:13:10,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:13:10,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260722072] [2021-12-15 17:13:10,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:13:10,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:13:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:13:10,619 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:13:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:13:10,653 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:13:11,187 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 17:13:11,193 INFO L158 Benchmark]: Toolchain (without parser) took 12197.27ms. Allocated memory was 102.8MB in the beginning and 897.6MB in the end (delta: 794.8MB). Free memory was 69.1MB in the beginning and 606.0MB in the end (delta: -536.8MB). Peak memory consumption was 256.1MB. Max. memory is 16.1GB. [2021-12-15 17:13:11,195 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 102.8MB. Free memory was 57.7MB in the beginning and 57.6MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:13:11,196 INFO L158 Benchmark]: CACSL2BoogieTranslator took 812.33ms. Allocated memory is still 102.8MB. Free memory was 68.9MB in the beginning and 50.2MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 17:13:11,196 INFO L158 Benchmark]: Boogie Procedure Inliner took 382.12ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 50.2MB in the beginning and 69.6MB in the end (delta: -19.4MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2021-12-15 17:13:11,197 INFO L158 Benchmark]: Boogie Preprocessor took 703.06ms. Allocated memory was 123.7MB in the beginning and 247.5MB in the end (delta: 123.7MB). Free memory was 69.6MB in the beginning and 152.6MB in the end (delta: -83.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2021-12-15 17:13:11,199 INFO L158 Benchmark]: RCFGBuilder took 8777.42ms. Allocated memory was 247.5MB in the beginning and 897.6MB in the end (delta: 650.1MB). Free memory was 152.6MB in the beginning and 744.4MB in the end (delta: -591.8MB). Peak memory consumption was 261.5MB. Max. memory is 16.1GB. [2021-12-15 17:13:11,200 INFO L158 Benchmark]: BuchiAutomizer took 1513.72ms. Allocated memory is still 897.6MB. Free memory was 744.4MB in the beginning and 606.0MB in the end (delta: 138.4MB). Peak memory consumption was 138.4MB. Max. memory is 16.1GB. [2021-12-15 17:13:11,208 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 102.8MB. Free memory was 57.7MB in the beginning and 57.6MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 812.33ms. Allocated memory is still 102.8MB. Free memory was 68.9MB in the beginning and 50.2MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 382.12ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 50.2MB in the beginning and 69.6MB in the end (delta: -19.4MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 703.06ms. Allocated memory was 123.7MB in the beginning and 247.5MB in the end (delta: 123.7MB). Free memory was 69.6MB in the beginning and 152.6MB in the end (delta: -83.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * RCFGBuilder took 8777.42ms. Allocated memory was 247.5MB in the beginning and 897.6MB in the end (delta: 650.1MB). Free memory was 152.6MB in the beginning and 744.4MB in the end (delta: -591.8MB). Peak memory consumption was 261.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1513.72ms. Allocated memory is still 897.6MB. Free memory was 744.4MB in the beginning and 606.0MB in the end (delta: 138.4MB). Peak memory consumption was 138.4MB. 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 17:13:11,275 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