./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec1_product26.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_product26.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 2b84cfef0f3fa5659093b8e6c2d8a82a1b18913f669c8d0a2efe9a0300cc4873 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:13:01,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:13:01,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:13:01,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:13:01,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:13:01,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:13:01,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:13:01,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:13:01,393 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:13:01,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:13:01,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:13:01,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:13:01,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:13:01,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:13:01,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:13:01,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:13:01,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:13:01,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:13:01,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:13:01,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:13:01,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:13:01,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:13:01,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:13:01,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:13:01,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:13:01,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:13:01,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:13:01,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:13:01,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:13:01,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:13:01,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:13:01,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:13:01,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:13:01,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:13:01,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:13:01,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:13:01,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:13:01,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:13:01,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:13:01,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:13:01,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:13:01,437 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:13:01,469 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:13:01,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:13:01,470 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:13:01,470 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:13:01,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:13:01,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:13:01,472 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:13:01,472 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:13:01,472 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:13:01,472 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:13:01,473 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:13:01,473 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:13:01,474 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:13:01,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:13:01,474 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:13:01,474 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:13:01,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:13:01,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:13:01,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:13:01,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:13:01,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:13:01,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:13:01,475 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:13:01,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:13:01,477 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:13:01,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:13:01,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:13:01,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:13:01,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:13:01,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:13:01,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:13:01,478 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:13:01,479 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:13:01,479 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b84cfef0f3fa5659093b8e6c2d8a82a1b18913f669c8d0a2efe9a0300cc4873 [2021-12-15 17:13:01,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:13:01,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:13:01,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:13:01,753 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:13:01,753 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:13:01,754 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec1_product26.cil.c [2021-12-15 17:13:01,823 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/686278c01/6c296c80d72c461d8b193fd96a77a3e9/FLAGaf7f77546 [2021-12-15 17:13:02,406 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:13:02,407 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec1_product26.cil.c [2021-12-15 17:13:02,428 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/686278c01/6c296c80d72c461d8b193fd96a77a3e9/FLAGaf7f77546 [2021-12-15 17:13:02,832 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/686278c01/6c296c80d72c461d8b193fd96a77a3e9 [2021-12-15 17:13:02,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:13:02,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:13:02,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:13:02,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:13:02,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:13:02,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:13:02" (1/1) ... [2021-12-15 17:13:02,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e751540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:02, skipping insertion in model container [2021-12-15 17:13:02,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:13:02" (1/1) ... [2021-12-15 17:13:02,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:13:02,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:13:03,410 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_product26.cil.c[55974,55987] [2021-12-15 17:13:03,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:13:03,440 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:13:03,508 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_product26.cil.c[55974,55987] [2021-12-15 17:13:03,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:13:03,534 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:13:03,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:03 WrapperNode [2021-12-15 17:13:03,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:13:03,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:13:03,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:13:03,536 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:13:03,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:03" (1/1) ... [2021-12-15 17:13:03,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:03" (1/1) ... [2021-12-15 17:13:03,743 INFO L137 Inliner]: procedures = 93, calls = 341, calls flagged for inlining = 193, calls inlined = 544, statements flattened = 17050 [2021-12-15 17:13:03,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:13:03,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:13:03,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:13:03,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:13:03,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:03" (1/1) ... [2021-12-15 17:13:03,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:03" (1/1) ... [2021-12-15 17:13:03,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:03" (1/1) ... [2021-12-15 17:13:03,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:03" (1/1) ... [2021-12-15 17:13:03,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:03" (1/1) ... [2021-12-15 17:13:03,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:03" (1/1) ... [2021-12-15 17:13:03,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:03" (1/1) ... [2021-12-15 17:13:04,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:13:04,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:13:04,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:13:04,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:13:04,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:03" (1/1) ... [2021-12-15 17:13:04,078 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:13:04,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:13:04,112 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 17:13:04,127 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 17:13:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:13:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:13:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:13:04,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:13:04,405 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:13:04,416 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:13:08,853 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:13:08,883 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:13:08,884 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 17:13:08,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:13:08 BoogieIcfgContainer [2021-12-15 17:13:08,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:13:08,890 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:13:08,890 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:13:08,893 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:13:08,893 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:13:08,893 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:13:02" (1/3) ... [2021-12-15 17:13:08,894 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39c63fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:13:08, skipping insertion in model container [2021-12-15 17:13:08,894 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:13:08,894 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:13:03" (2/3) ... [2021-12-15 17:13:08,895 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39c63fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:13:08, skipping insertion in model container [2021-12-15 17:13:08,895 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:13:08,895 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:13:08" (3/3) ... [2021-12-15 17:13:08,896 INFO L388 chiAutomizerObserver]: Analyzing ICFG elevator_spec1_product26.cil.c [2021-12-15 17:13:08,955 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:13:08,958 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:13:08,958 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:13:08,958 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:13:08,958 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:13:08,958 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:13:08,958 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:13:08,958 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:13:09,018 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 4908 states, 4907 states have (on average 1.8701854493580599) internal successors, (9177), 4907 states have internal predecessors, (9177), 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 17:13:09,090 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2406 [2021-12-15 17:13:09,091 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:13:09,091 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:13:09,101 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 17:13:09,101 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 17:13:09,102 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:13:09,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 4908 states, 4907 states have (on average 1.8701854493580599) internal successors, (9177), 4907 states have internal predecessors, (9177), 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 17:13:09,151 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2406 [2021-12-15 17:13:09,152 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:13:09,152 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:13:09,154 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 17:13:09,154 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 17:13:09,158 INFO L791 eck$LassoCheckResult]: Stem: 3003#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);~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 12;~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; 4789#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret128#1, main_~retValue_acc~22#1, main_~tmp~27#1;havoc main_~retValue_acc~22#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 3763#L1984true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2413#L1977true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~17#1;havoc valid_product_~retValue_acc~17#1;valid_product_~retValue_acc~17#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~17#1; 663#L1992true main_#t~ret128#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret128#1;havoc main_#t~ret128#1; 1519#L2727true assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 2859#L2702true 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; 4422#L2224true assume { :end_inline___utac_acc__Specification1_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret121#1, bigMacCall_~tmp~24#1;havoc bigMacCall_~tmp~24#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~19#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~19#1; 103#L2134true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~19#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~19#1; 2010#L2159true bigMacCall_#t~ret121#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~24#1 := bigMacCall_#t~ret121#1;havoc bigMacCall_#t~ret121#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~24#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 4833#L3107true assume 0 == initPersonOnFloor_~floor#1; 2256#L3108true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 4157#L3215-1true 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; 3053#L2231true assume 0 == __utac_acc__Specification1_spec__2_~floor#1;~landingButtons_spc1_0~0 := 1; 4284#L2243-2true assume { :end_inline___utac_acc__Specification1_spec__2 } true; 4436#L2899true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 3384#L2911-2true assume { :end_inline_callOnFloor } true; 2817#L3251true assume { :end_inline_initPersonOnFloor } true; 3985#L2507true assume { :end_inline_bigMacCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret118#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~19#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~19#1; 316#L2134-1true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~19#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~19#1; 1218#L2159-1true angelinaCall_#t~ret118#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret118#1;havoc angelinaCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 408#L3107-1true assume 0 == initPersonOnFloor_~floor#1; 1782#L3108-2true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 791#L3215-3true 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; 2538#L2231-2true assume 0 == __utac_acc__Specification1_spec__2_~floor#1;~landingButtons_spc1_0~0 := 1; 1198#L2243-5true assume { :end_inline___utac_acc__Specification1_spec__2 } true; 1964#L2899-2true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 1960#L2911-5true assume { :end_inline_callOnFloor } true; 3854#L3251-1true assume { :end_inline_initPersonOnFloor } true; 3325#L2474true assume { :end_inline_angelinaCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret122#1, cleanup_#t~ret123#1, cleanup_~i~3#1, cleanup_~tmp~25#1, cleanup_~tmp___0~9#1, cleanup_~__cil_tmp4~2#1;havoc cleanup_~i~3#1;havoc cleanup_~tmp~25#1;havoc cleanup_~tmp___0~9#1;havoc cleanup_~__cil_tmp4~2#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret50#1, timeShift_~tmp~10#1;havoc timeShift_~tmp~10#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~2#1;havoc areDoorsOpen_~retValue_acc~2#1;areDoorsOpen_~retValue_acc~2#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~2#1; 2189#L336true timeShift_#t~ret50#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~10#1 := timeShift_#t~ret50#1;havoc timeShift_#t~ret50#1; 2238#L1219true assume 0 != timeShift_~tmp~10#1; 2552#L1220true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 4830#L1219-1true assume { :begin_inline___utac_acc__Specification1_spec__3 } true;havoc __utac_acc__Specification1_spec__3_#t~ret109#1, __utac_acc__Specification1_spec__3_#t~ret110#1, __utac_acc__Specification1_spec__3_#t~ret111#1, __utac_acc__Specification1_spec__3_#t~ret112#1, __utac_acc__Specification1_spec__3_#t~ret113#1, __utac_acc__Specification1_spec__3_#t~ret114#1, __utac_acc__Specification1_spec__3_~floor~0#1, __utac_acc__Specification1_spec__3_~tmp~18#1, __utac_acc__Specification1_spec__3_~tmp___0~8#1, __utac_acc__Specification1_spec__3_~tmp___1~7#1, __utac_acc__Specification1_spec__3_~tmp___2~5#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~18#1;havoc __utac_acc__Specification1_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification1_spec__3_~tmp___1~7#1;havoc __utac_acc__Specification1_spec__3_~tmp___2~5#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~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 2284#L327true __utac_acc__Specification1_spec__3_#t~ret109#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification1_spec__3_~tmp~18#1 := __utac_acc__Specification1_spec__3_#t~ret109#1;havoc __utac_acc__Specification1_spec__3_#t~ret109#1;__utac_acc__Specification1_spec__3_~floor~0#1 := __utac_acc__Specification1_spec__3_~tmp~18#1; 770#L2269true assume 0 == __utac_acc__Specification1_spec__3_~floor~0#1; 676#L2270true assume 0 != ~landingButtons_spc1_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~2#1;havoc areDoorsOpen_~retValue_acc~2#1;areDoorsOpen_~retValue_acc~2#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~2#1; 443#L336-1true __utac_acc__Specification1_spec__3_#t~ret110#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification1_spec__3_~tmp___4~3#1 := __utac_acc__Specification1_spec__3_#t~ret110#1;havoc __utac_acc__Specification1_spec__3_#t~ret110#1; 3209#L2274true assume 0 != __utac_acc__Specification1_spec__3_~tmp___4~3#1;~landingButtons_spc1_0~0 := 0; 3271#L2329true assume { :end_inline___utac_acc__Specification1_spec__3 } true; 3189#L1237true assume { :end_inline_timeShift } true;cleanup_~i~3#1 := 0; 2083#L2534-2true [2021-12-15 17:13:09,159 INFO L793 eck$LassoCheckResult]: Loop: 2083#L2534-2true assume !false; 4426#L2535true cleanup_~__cil_tmp4~2#1 := ~cleanupTimeShifts~0 - 1; 2411#L2538true assume cleanup_~i~3#1 < cleanup_~__cil_tmp4~2#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~0#1;havoc isBlocked_~retValue_acc~0#1;isBlocked_~retValue_acc~0#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~0#1; 996#L154true cleanup_#t~ret122#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~9#1 := cleanup_#t~ret122#1;havoc cleanup_#t~ret122#1; 1516#L2542true assume 1 != cleanup_~tmp___0~9#1; 542#L2542-1true assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret12#1, isIdle_~retValue_acc~7#1, isIdle_~tmp~4#1;havoc isIdle_~retValue_acc~7#1;havoc isIdle_~tmp~4#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret7#1, anyStopRequested_#t~ret8#1, anyStopRequested_#t~ret9#1, anyStopRequested_#t~ret10#1, anyStopRequested_#t~ret11#1, anyStopRequested_~retValue_acc~6#1, anyStopRequested_~tmp~3#1, anyStopRequested_~tmp___0~0#1, anyStopRequested_~tmp___1~0#1, anyStopRequested_~tmp___2~0#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~6#1;havoc anyStopRequested_~tmp~3#1;havoc anyStopRequested_~tmp___0~0#1;havoc anyStopRequested_~tmp___1~0#1;havoc anyStopRequested_~tmp___2~0#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~23#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~23#1; 882#L2832-42true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~23#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~23#1; 1026#L2859-42true anyStopRequested_#t~ret7#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret7#1;havoc anyStopRequested_#t~ret7#1; 3318#L435true assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~6#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~6#1; 628#L499true isIdle_#t~ret12#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~4#1 := isIdle_#t~ret12#1;havoc isIdle_#t~ret12#1;isIdle_~retValue_acc~7#1 := (if 0 == isIdle_~tmp~4#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~7#1; 1975#L512true cleanup_#t~ret123#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~25#1 := cleanup_#t~ret123#1;havoc cleanup_#t~ret123#1; 4497#L2554true assume !(0 != cleanup_~tmp~25#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret50#1, timeShift_~tmp~10#1;havoc timeShift_~tmp~10#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~2#1;havoc areDoorsOpen_~retValue_acc~2#1;areDoorsOpen_~retValue_acc~2#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~2#1; 4568#L336-6true timeShift_#t~ret50#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~10#1 := timeShift_#t~ret50#1;havoc timeShift_#t~ret50#1; 820#L1219-2true assume 0 != timeShift_~tmp~10#1; 1932#L1220-3true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 865#L1219-3true assume { :begin_inline___utac_acc__Specification1_spec__3 } true;havoc __utac_acc__Specification1_spec__3_#t~ret109#1, __utac_acc__Specification1_spec__3_#t~ret110#1, __utac_acc__Specification1_spec__3_#t~ret111#1, __utac_acc__Specification1_spec__3_#t~ret112#1, __utac_acc__Specification1_spec__3_#t~ret113#1, __utac_acc__Specification1_spec__3_#t~ret114#1, __utac_acc__Specification1_spec__3_~floor~0#1, __utac_acc__Specification1_spec__3_~tmp~18#1, __utac_acc__Specification1_spec__3_~tmp___0~8#1, __utac_acc__Specification1_spec__3_~tmp___1~7#1, __utac_acc__Specification1_spec__3_~tmp___2~5#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~18#1;havoc __utac_acc__Specification1_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification1_spec__3_~tmp___1~7#1;havoc __utac_acc__Specification1_spec__3_~tmp___2~5#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~1#1;havoc getCurrentFloorID_~retValue_acc~1#1;getCurrentFloorID_~retValue_acc~1#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~1#1; 846#L327-1true __utac_acc__Specification1_spec__3_#t~ret109#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification1_spec__3_~tmp~18#1 := __utac_acc__Specification1_spec__3_#t~ret109#1;havoc __utac_acc__Specification1_spec__3_#t~ret109#1;__utac_acc__Specification1_spec__3_~floor~0#1 := __utac_acc__Specification1_spec__3_~tmp~18#1; 4630#L2269-1true assume 0 == __utac_acc__Specification1_spec__3_~floor~0#1; 2982#L2270-1true assume 0 != ~landingButtons_spc1_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~2#1;havoc areDoorsOpen_~retValue_acc~2#1;areDoorsOpen_~retValue_acc~2#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~2#1; 3282#L336-7true __utac_acc__Specification1_spec__3_#t~ret110#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification1_spec__3_~tmp___4~3#1 := __utac_acc__Specification1_spec__3_#t~ret110#1;havoc __utac_acc__Specification1_spec__3_#t~ret110#1; 3116#L2274-2true assume 0 != __utac_acc__Specification1_spec__3_~tmp___4~3#1;~landingButtons_spc1_0~0 := 0; 4333#L2329-1true assume { :end_inline___utac_acc__Specification1_spec__3 } true; 6#L1237-1true assume { :end_inline_timeShift } true;cleanup_~i~3#1 := 1 + cleanup_~i~3#1; 2083#L2534-2true [2021-12-15 17:13:09,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:13:09,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1009792518, now seen corresponding path program 1 times [2021-12-15 17:13:09,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:13:09,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557620760] [2021-12-15 17:13:09,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:13:09,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:13:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:13:09,315 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 17:13:09,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:13:09,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557620760] [2021-12-15 17:13:09,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557620760] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:13:09,316 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:13:09,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:13:09,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074106258] [2021-12-15 17:13:09,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:13:09,321 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:13:09,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:13:09,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1529219687, now seen corresponding path program 1 times [2021-12-15 17:13:09,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:13:09,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012815294] [2021-12-15 17:13:09,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:13:09,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:13:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:13:09,334 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:13:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:13:09,358 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:13:09,740 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 17:13:09,744 INFO L158 Benchmark]: Toolchain (without parser) took 6903.94ms. Allocated memory was 98.6MB in the beginning and 323.0MB in the end (delta: 224.4MB). Free memory was 61.0MB in the beginning and 111.8MB in the end (delta: -50.8MB). Peak memory consumption was 174.5MB. Max. memory is 16.1GB. [2021-12-15 17:13:09,745 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 81.8MB. Free memory was 54.0MB in the beginning and 54.0MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:13:09,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 694.27ms. Allocated memory is still 98.6MB. Free memory was 60.8MB in the beginning and 47.3MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 17:13:09,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 207.64ms. Allocated memory is still 98.6MB. Free memory was 47.3MB in the beginning and 38.2MB in the end (delta: 9.1MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2021-12-15 17:13:09,746 INFO L158 Benchmark]: Boogie Preprocessor took 326.95ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 38.2MB in the beginning and 55.3MB in the end (delta: -17.1MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2021-12-15 17:13:09,747 INFO L158 Benchmark]: RCFGBuilder took 4817.55ms. Allocated memory was 119.5MB in the beginning and 323.0MB in the end (delta: 203.4MB). Free memory was 55.3MB in the beginning and 110.0MB in the end (delta: -54.7MB). Peak memory consumption was 150.4MB. Max. memory is 16.1GB. [2021-12-15 17:13:09,747 INFO L158 Benchmark]: BuchiAutomizer took 852.23ms. Allocated memory is still 323.0MB. Free memory was 110.0MB in the beginning and 111.8MB in the end (delta: -1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:13:09,750 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 81.8MB. Free memory was 54.0MB in the beginning and 54.0MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 694.27ms. Allocated memory is still 98.6MB. Free memory was 60.8MB in the beginning and 47.3MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 207.64ms. Allocated memory is still 98.6MB. Free memory was 47.3MB in the beginning and 38.2MB in the end (delta: 9.1MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 326.95ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 38.2MB in the beginning and 55.3MB in the end (delta: -17.1MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * RCFGBuilder took 4817.55ms. Allocated memory was 119.5MB in the beginning and 323.0MB in the end (delta: 203.4MB). Free memory was 55.3MB in the beginning and 110.0MB in the end (delta: -54.7MB). Peak memory consumption was 150.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 852.23ms. Allocated memory is still 323.0MB. Free memory was 110.0MB in the beginning and 111.8MB in the end (delta: -1.9MB). 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 17:13:09,795 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