./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec14_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/elevator_spec14_product32.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 5ead0301c8481fccc00f115bae086423ed9e315d4392b2a0732a4d381346437b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 22:24:34,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 22:24:34,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 22:24:34,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 22:24:34,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 22:24:34,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 22:24:34,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 22:24:34,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 22:24:34,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 22:24:34,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 22:24:34,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 22:24:34,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 22:24:34,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 22:24:34,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 22:24:34,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 22:24:34,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 22:24:34,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 22:24:34,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 22:24:34,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 22:24:34,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 22:24:34,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 22:24:34,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 22:24:34,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 22:24:34,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 22:24:34,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 22:24:34,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 22:24:34,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 22:24:34,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 22:24:34,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 22:24:34,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 22:24:34,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 22:24:34,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 22:24:34,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 22:24:34,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 22:24:34,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 22:24:34,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 22:24:34,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 22:24:34,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 22:24:34,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 22:24:34,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 22:24:34,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 22:24:34,353 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-21 22:24:34,385 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 22:24:34,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 22:24:34,386 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 22:24:34,386 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 22:24:34,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 22:24:34,387 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 22:24:34,387 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 22:24:34,387 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-21 22:24:34,387 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-21 22:24:34,388 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-21 22:24:34,388 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-21 22:24:34,389 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-21 22:24:34,389 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-21 22:24:34,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 22:24:34,389 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 22:24:34,389 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 22:24:34,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 22:24:34,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 22:24:34,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 22:24:34,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-21 22:24:34,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-21 22:24:34,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-21 22:24:34,390 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 22:24:34,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 22:24:34,391 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-21 22:24:34,391 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 22:24:34,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-21 22:24:34,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 22:24:34,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 22:24:34,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 22:24:34,392 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 22:24:34,392 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 22:24:34,393 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-21 22:24:34,393 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ead0301c8481fccc00f115bae086423ed9e315d4392b2a0732a4d381346437b [2021-12-21 22:24:34,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 22:24:34,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 22:24:34,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 22:24:34,610 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 22:24:34,610 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 22:24:34,611 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec14_product32.cil.c [2021-12-21 22:24:34,666 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a59e7db94/094c557f13184128b4420a3e0dece980/FLAGb8ab37511 [2021-12-21 22:24:35,118 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 22:24:35,119 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec14_product32.cil.c [2021-12-21 22:24:35,145 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a59e7db94/094c557f13184128b4420a3e0dece980/FLAGb8ab37511 [2021-12-21 22:24:35,632 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a59e7db94/094c557f13184128b4420a3e0dece980 [2021-12-21 22:24:35,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 22:24:35,636 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 22:24:35,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 22:24:35,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 22:24:35,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 22:24:35,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:24:35" (1/1) ... [2021-12-21 22:24:35,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eb62bd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:24:35, skipping insertion in model container [2021-12-21 22:24:35,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:24:35" (1/1) ... [2021-12-21 22:24:35,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 22:24:35,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 22:24:36,141 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec14_product32.cil.c[71521,71534] [2021-12-21 22:24:36,142 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:24:36,150 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 22:24:36,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec14_product32.cil.c[71521,71534] [2021-12-21 22:24:36,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:24:36,300 INFO L208 MainTranslator]: Completed translation [2021-12-21 22:24:36,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:24:36 WrapperNode [2021-12-21 22:24:36,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 22:24:36,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 22:24:36,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 22:24:36,302 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 22:24:36,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:24:36" (1/1) ... [2021-12-21 22:24:36,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:24:36" (1/1) ... [2021-12-21 22:24:36,964 INFO L137 Inliner]: procedures = 96, calls = 348, calls flagged for inlining = 200, calls inlined = 2031, statements flattened = 67604 [2021-12-21 22:24:36,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 22:24:36,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 22:24:36,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 22:24:36,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 22:24:36,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:24:36" (1/1) ... [2021-12-21 22:24:36,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:24:36" (1/1) ... [2021-12-21 22:24:37,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:24:36" (1/1) ... [2021-12-21 22:24:37,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:24:36" (1/1) ... [2021-12-21 22:24:37,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:24:36" (1/1) ... [2021-12-21 22:24:38,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:24:36" (1/1) ... [2021-12-21 22:24:38,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:24:36" (1/1) ... [2021-12-21 22:24:38,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 22:24:38,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 22:24:38,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 22:24:38,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 22:24:38,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:24:36" (1/1) ... [2021-12-21 22:24:38,548 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:24:38,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:24:38,572 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) [2021-12-21 22:24:38,585 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 [2021-12-21 22:24:38,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 22:24:38,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 22:24:38,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 22:24:38,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 22:24:38,770 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 22:24:38,771 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 22:24:55,592 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 22:24:55,674 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 22:24:55,675 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 22:24:55,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:24:55 BoogieIcfgContainer [2021-12-21 22:24:55,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 22:24:55,694 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-21 22:24:55,694 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-21 22:24:55,697 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-21 22:24:55,698 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:24:55,698 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.12 10:24:35" (1/3) ... [2021-12-21 22:24:55,699 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e951831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:24:55, skipping insertion in model container [2021-12-21 22:24:55,699 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:24:55,699 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:24:36" (2/3) ... [2021-12-21 22:24:55,699 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e951831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:24:55, skipping insertion in model container [2021-12-21 22:24:55,700 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:24:55,700 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:24:55" (3/3) ... [2021-12-21 22:24:55,701 INFO L388 chiAutomizerObserver]: Analyzing ICFG elevator_spec14_product32.cil.c [2021-12-21 22:24:55,744 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-21 22:24:55,744 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-21 22:24:55,744 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-21 22:24:55,744 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-21 22:24:55,744 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-21 22:24:55,744 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-21 22:24:55,744 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-21 22:24:55,744 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-21 22:24:55,978 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17741 states, 17740 states have (on average 1.873337091319053) internal successors, (33233), 17740 states have internal predecessors, (33233), 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) [2021-12-21 22:24:56,247 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3564 [2021-12-21 22:24:56,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:24:56,247 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:24:56,278 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:24:56,278 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:24:56,278 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-21 22:24:56,322 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17741 states, 17740 states have (on average 1.873337091319053) internal successors, (33233), 17740 states have internal predecessors, (33233), 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) [2021-12-21 22:24:56,509 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3564 [2021-12-21 22:24:56,509 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:24:56,509 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:24:56,520 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:24:56,520 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:24:56,535 INFO L791 eck$LassoCheckResult]: Stem: 7108#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~cleanupTimeShifts~0 := 12;~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0; 4223#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 9256#L934true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 14265#L927true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 12686#L942true main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 8934#L532true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 9283#L506true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 2420#L95true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 10952#L120true bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 5623#L1402true assume 0 == initPersonOnFloor_~floor#1; 908#L1403true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 8700#L1510-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 12562#L1194true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 428#L1206-2true assume { :end_inline_callOnFloor } true; 17393#L1546true assume { :end_inline_initPersonOnFloor } true; 11193#L306true assume { :end_inline_bigMacCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret108#1, timeShift_~tmp~28#1;havoc timeShift_~tmp~28#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 15066#L1966true timeShift_#t~ret108#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~28#1 := timeShift_#t~ret108#1;havoc timeShift_#t~ret108#1; 17662#L2977true assume 0 != timeShift_~tmp~28#1; 306#L2978true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 9933#L2977-1true assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret138#1, __utac_acc__Specification14_spec__1_#t~ret139#1, __utac_acc__Specification14_spec__1_#t~ret140#1, __utac_acc__Specification14_spec__1_#t~ret141#1, __utac_acc__Specification14_spec__1_~tmp~31#1, __utac_acc__Specification14_spec__1_~tmp___0~13#1, __utac_acc__Specification14_spec__1_~tmp___1~8#1, __utac_acc__Specification14_spec__1_~tmp___2~6#1;havoc __utac_acc__Specification14_spec__1_~tmp~31#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~13#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~8#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret137#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~10#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~10#1; 15877#L1131-130true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~10#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~10#1; 10113#L1158-130true isExecutiveFloorCalling_#t~ret137#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret137#1;havoc isExecutiveFloorCalling_#t~ret137#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 12634#L3357-6true __utac_acc__Specification14_spec__1_#t~ret138#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~6#1 := __utac_acc__Specification14_spec__1_#t~ret138#1;havoc __utac_acc__Specification14_spec__1_#t~ret138#1; 8947#L3390true assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6#1); 945#L3390-1true assume { :end_inline___utac_acc__Specification14_spec__1 } true; 14671#L2995true assume { :end_inline_timeShift } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret108#1, timeShift_~tmp~28#1;havoc timeShift_~tmp~28#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 10771#L1966-2true timeShift_#t~ret108#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~28#1 := timeShift_#t~ret108#1;havoc timeShift_#t~ret108#1; 4761#L2977-2true assume 0 != timeShift_~tmp~28#1; 3242#L2978-3true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 5984#L2977-3true assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret138#1, __utac_acc__Specification14_spec__1_#t~ret139#1, __utac_acc__Specification14_spec__1_#t~ret140#1, __utac_acc__Specification14_spec__1_#t~ret141#1, __utac_acc__Specification14_spec__1_~tmp~31#1, __utac_acc__Specification14_spec__1_~tmp___0~13#1, __utac_acc__Specification14_spec__1_~tmp___1~8#1, __utac_acc__Specification14_spec__1_~tmp___2~6#1;havoc __utac_acc__Specification14_spec__1_~tmp~31#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~13#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~8#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret137#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~10#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~10#1; 13849#L1131-261true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~10#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~10#1; 16657#L1158-261true isExecutiveFloorCalling_#t~ret137#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret137#1;havoc isExecutiveFloorCalling_#t~ret137#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 6716#L3357-13true __utac_acc__Specification14_spec__1_#t~ret138#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~6#1 := __utac_acc__Specification14_spec__1_#t~ret138#1;havoc __utac_acc__Specification14_spec__1_#t~ret138#1; 1683#L3390-2true assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6#1); 276#L3390-3true assume { :end_inline___utac_acc__Specification14_spec__1 } true; 16092#L2995-1true assume { :end_inline_timeShift } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret108#1, timeShift_~tmp~28#1;havoc timeShift_~tmp~28#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 1019#L1966-4true timeShift_#t~ret108#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~28#1 := timeShift_#t~ret108#1;havoc timeShift_#t~ret108#1; 5264#L2977-4true assume 0 != timeShift_~tmp~28#1; 13268#L2978-6true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 9037#L2977-5true assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret138#1, __utac_acc__Specification14_spec__1_#t~ret139#1, __utac_acc__Specification14_spec__1_#t~ret140#1, __utac_acc__Specification14_spec__1_#t~ret141#1, __utac_acc__Specification14_spec__1_~tmp~31#1, __utac_acc__Specification14_spec__1_~tmp___0~13#1, __utac_acc__Specification14_spec__1_~tmp___1~8#1, __utac_acc__Specification14_spec__1_~tmp___2~6#1;havoc __utac_acc__Specification14_spec__1_~tmp~31#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~13#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~8#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret137#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~10#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~10#1; 12435#L1131-392true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~10#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~10#1; 13800#L1158-392true isExecutiveFloorCalling_#t~ret137#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret137#1;havoc isExecutiveFloorCalling_#t~ret137#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 17443#L3357-20true __utac_acc__Specification14_spec__1_#t~ret138#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~6#1 := __utac_acc__Specification14_spec__1_#t~ret138#1;havoc __utac_acc__Specification14_spec__1_#t~ret138#1; 11153#L3390-4true assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6#1); 10041#L3390-5true assume { :end_inline___utac_acc__Specification14_spec__1 } true; 5374#L2995-2true assume { :end_inline_timeShift } true; 1642#L319true assume { :end_inline_threeTS } true;assume { :begin_inline_bobCall } true;havoc bobCall_#t~ret5#1, bobCall_~tmp~0#1;havoc bobCall_~tmp~0#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 0;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 112#L95-1true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 14150#L120-1true bobCall_#t~ret5#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bobCall_~tmp~0#1 := bobCall_#t~ret5#1;havoc bobCall_#t~ret5#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 0, bobCall_~tmp~0#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 3936#L1402-1true assume 0 == initPersonOnFloor_~floor#1; 13021#L1403-2true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 4744#L1510-3true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 14008#L1194-2true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 6354#L1206-5true assume { :end_inline_callOnFloor } true; 6207#L1546-1true assume { :end_inline_initPersonOnFloor } true; 4263#L251true assume { :end_inline_bobCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret108#1, timeShift_~tmp~28#1;havoc timeShift_~tmp~28#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 15058#L1966-6true timeShift_#t~ret108#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~28#1 := timeShift_#t~ret108#1;havoc timeShift_#t~ret108#1; 10131#L2977-6true assume 0 != timeShift_~tmp~28#1; 7456#L2978-9true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 17550#L2977-7true assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret138#1, __utac_acc__Specification14_spec__1_#t~ret139#1, __utac_acc__Specification14_spec__1_#t~ret140#1, __utac_acc__Specification14_spec__1_#t~ret141#1, __utac_acc__Specification14_spec__1_~tmp~31#1, __utac_acc__Specification14_spec__1_~tmp___0~13#1, __utac_acc__Specification14_spec__1_~tmp___1~8#1, __utac_acc__Specification14_spec__1_~tmp___2~6#1;havoc __utac_acc__Specification14_spec__1_~tmp~31#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~13#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~8#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret137#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~10#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~10#1; 17197#L1131-523true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~10#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~10#1; 15070#L1158-523true isExecutiveFloorCalling_#t~ret137#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret137#1;havoc isExecutiveFloorCalling_#t~ret137#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 3029#L3357-27true __utac_acc__Specification14_spec__1_#t~ret138#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~6#1 := __utac_acc__Specification14_spec__1_#t~ret138#1;havoc __utac_acc__Specification14_spec__1_#t~ret138#1; 7274#L3390-6true assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6#1); 1826#L3390-7true assume { :end_inline___utac_acc__Specification14_spec__1 } true; 9505#L2995-3true assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 13205#L336-2true [2021-12-21 22:24:56,537 INFO L793 eck$LassoCheckResult]: Loop: 13205#L336-2true assume !false; 9086#L337true cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 7966#L340true assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~13#1;havoc isBlocked_~retValue_acc~13#1;isBlocked_~retValue_acc~13#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~13#1; 14258#L1784true cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 12223#L344true assume 1 != cleanup_~tmp___0~0#1; 15010#L344-1true assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret56#1, isIdle_~retValue_acc~20#1, isIdle_~tmp~18#1;havoc isIdle_~retValue_acc~20#1;havoc isIdle_~tmp~18#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret51#1, anyStopRequested_#t~ret52#1, anyStopRequested_#t~ret53#1, anyStopRequested_#t~ret54#1, anyStopRequested_#t~ret55#1, anyStopRequested_~retValue_acc~19#1, anyStopRequested_~tmp~17#1, anyStopRequested_~tmp___0~4#1, anyStopRequested_~tmp___1~3#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~19#1;havoc anyStopRequested_~tmp~17#1;havoc anyStopRequested_~tmp___0~4#1;havoc anyStopRequested_~tmp___1~3#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~10#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~10#1; 6133#L1131-524true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~10#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~10#1; 2576#L1158-524true anyStopRequested_#t~ret51#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret51#1;havoc anyStopRequested_#t~ret51#1; 12339#L2065true assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~19#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~19#1; 16687#L2129true isIdle_#t~ret56#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~18#1 := isIdle_#t~ret56#1;havoc isIdle_#t~ret56#1;isIdle_~retValue_acc~20#1 := (if 0 == isIdle_~tmp~18#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~20#1; 12504#L2142true cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 7374#L356true assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret108#1, timeShift_~tmp~28#1;havoc timeShift_~tmp~28#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 5087#L1966-8true timeShift_#t~ret108#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~28#1 := timeShift_#t~ret108#1;havoc timeShift_#t~ret108#1; 16248#L2977-8true assume 0 != timeShift_~tmp~28#1; 12242#L2978-12true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 3712#L2977-9true assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret138#1, __utac_acc__Specification14_spec__1_#t~ret139#1, __utac_acc__Specification14_spec__1_#t~ret140#1, __utac_acc__Specification14_spec__1_#t~ret141#1, __utac_acc__Specification14_spec__1_~tmp~31#1, __utac_acc__Specification14_spec__1_~tmp___0~13#1, __utac_acc__Specification14_spec__1_~tmp___1~8#1, __utac_acc__Specification14_spec__1_~tmp___2~6#1;havoc __utac_acc__Specification14_spec__1_~tmp~31#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~13#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~8#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret137#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~10#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~10#1; 14629#L1131-659true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~10#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~10#1; 330#L1158-659true isExecutiveFloorCalling_#t~ret137#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret137#1;havoc isExecutiveFloorCalling_#t~ret137#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 5892#L3357-34true __utac_acc__Specification14_spec__1_#t~ret138#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~6#1 := __utac_acc__Specification14_spec__1_#t~ret138#1;havoc __utac_acc__Specification14_spec__1_#t~ret138#1; 11233#L3390-8true assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6#1); 5668#L3390-9true assume { :end_inline___utac_acc__Specification14_spec__1 } true; 14871#L2995-4true assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 13205#L336-2true [2021-12-21 22:24:56,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:24:56,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1849325326, now seen corresponding path program 1 times [2021-12-21 22:24:56,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:24:56,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525389700] [2021-12-21 22:24:56,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:24:56,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:24:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:24:56,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:24:56,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 22:24:56,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525389700] [2021-12-21 22:24:56,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525389700] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 22:24:56,806 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 22:24:56,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 22:24:56,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288958372] [2021-12-21 22:24:56,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 22:24:56,825 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-21 22:24:56,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:24:56,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1270476176, now seen corresponding path program 1 times [2021-12-21 22:24:56,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:24:56,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755434830] [2021-12-21 22:24:56,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:24:56,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:24:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:24:56,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:24:56,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 22:24:56,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755434830] [2021-12-21 22:24:56,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755434830] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 22:24:56,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 22:24:56,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-21 22:24:56,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142093638] [2021-12-21 22:24:56,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 22:24:56,944 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-21 22:24:56,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 22:24:56,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 22:24:56,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-21 22:24:57,008 INFO L87 Difference]: Start difference. First operand has 17741 states, 17740 states have (on average 1.873337091319053) internal successors, (33233), 17740 states have internal predecessors, (33233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:25:22,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 22:25:22,990 INFO L93 Difference]: Finished difference Result 238495 states and 445021 transitions. [2021-12-21 22:25:22,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-21 22:25:22,995 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 238495 states and 445021 transitions. [2021-12-21 22:25:24,944 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 82276 [2021-12-21 22:25:26,655 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 238495 states to 238338 states and 444837 transitions. [2021-12-21 22:25:26,656 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 238338 [2021-12-21 22:25:26,859 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 238338 [2021-12-21 22:25:26,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 238338 states and 444837 transitions. [2021-12-21 22:25:27,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 22:25:27,181 INFO L681 BuchiCegarLoop]: Abstraction has 238338 states and 444837 transitions. [2021-12-21 22:25:27,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238338 states and 444837 transitions. [2021-12-21 22:25:29,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238338 to 35412. [2021-12-21 22:25:29,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35412 states, 35412 states have (on average 1.8731221055009601) internal successors, (66331), 35411 states have internal predecessors, (66331), 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) [2021-12-21 22:25:29,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35412 states to 35412 states and 66331 transitions. [2021-12-21 22:25:29,156 INFO L704 BuchiCegarLoop]: Abstraction has 35412 states and 66331 transitions. [2021-12-21 22:25:29,156 INFO L587 BuchiCegarLoop]: Abstraction has 35412 states and 66331 transitions. [2021-12-21 22:25:29,156 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-21 22:25:29,156 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35412 states and 66331 transitions. [2021-12-21 22:25:29,266 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7131 [2021-12-21 22:25:29,267 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:25:29,267 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:25:29,271 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:25:29,271 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] [2021-12-21 22:25:29,272 INFO L791 eck$LassoCheckResult]: Stem: 268639#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~cleanupTimeShifts~0 := 12;~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0; 264707#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 264708#L934 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 270871#L927 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 273353#L942 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 270599#L532 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 270600#L506 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 261636#L95 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 257979#L120 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 266757#L1402 assume 0 == initPersonOnFloor_~floor#1; 258568#L1403 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 256546#L1510-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 270380#L1194 assume !(0 == callOnFloor_~floorID#1); 266953#L1197 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 257419#L1206-2 assume { :end_inline_callOnFloor } true; 257420#L1546 assume { :end_inline_initPersonOnFloor } true; 272395#L306 assume { :end_inline_bigMacCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret108#1, timeShift_~tmp~28#1;havoc timeShift_~tmp~28#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 272396#L1966 timeShift_#t~ret108#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~28#1 := timeShift_#t~ret108#1;havoc timeShift_#t~ret108#1; 274879#L2977 assume 0 != timeShift_~tmp~28#1; 274880#L2978 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 274901#L2977-1 assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret138#1, __utac_acc__Specification14_spec__1_#t~ret139#1, __utac_acc__Specification14_spec__1_#t~ret140#1, __utac_acc__Specification14_spec__1_#t~ret141#1, __utac_acc__Specification14_spec__1_~tmp~31#1, __utac_acc__Specification14_spec__1_~tmp___0~13#1, __utac_acc__Specification14_spec__1_~tmp___1~8#1, __utac_acc__Specification14_spec__1_~tmp___2~6#1;havoc __utac_acc__Specification14_spec__1_~tmp~31#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~13#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~8#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret137#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~10#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~10#1; 274589#L1131-130 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~10#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~10#1; 256850#L1158-130 isExecutiveFloorCalling_#t~ret137#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret137#1;havoc isExecutiveFloorCalling_#t~ret137#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 271549#L3357-6 __utac_acc__Specification14_spec__1_#t~ret138#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~6#1 := __utac_acc__Specification14_spec__1_#t~ret138#1;havoc __utac_acc__Specification14_spec__1_#t~ret138#1; 273324#L3390 assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6#1); 258652#L3390-1 assume { :end_inline___utac_acc__Specification14_spec__1 } true; 258653#L2995 assume { :end_inline_timeShift } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret108#1, timeShift_~tmp~28#1;havoc timeShift_~tmp~28#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 272077#L1966-2 timeShift_#t~ret108#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~28#1 := timeShift_#t~ret108#1;havoc timeShift_#t~ret108#1; 265556#L2977-2 assume 0 != timeShift_~tmp~28#1; 263107#L2978-3 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 263108#L2977-3 assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret138#1, __utac_acc__Specification14_spec__1_#t~ret139#1, __utac_acc__Specification14_spec__1_#t~ret140#1, __utac_acc__Specification14_spec__1_#t~ret141#1, __utac_acc__Specification14_spec__1_~tmp~31#1, __utac_acc__Specification14_spec__1_~tmp___0~13#1, __utac_acc__Specification14_spec__1_~tmp___1~8#1, __utac_acc__Specification14_spec__1_~tmp___2~6#1;havoc __utac_acc__Specification14_spec__1_~tmp~31#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~13#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~8#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret137#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~10#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~10#1; 273907#L1131-261 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~10#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~10#1; 267463#L1158-261 isExecutiveFloorCalling_#t~ret137#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret137#1;havoc isExecutiveFloorCalling_#t~ret137#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 268180#L3357-13 __utac_acc__Specification14_spec__1_#t~ret138#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~6#1 := __utac_acc__Specification14_spec__1_#t~ret138#1;havoc __utac_acc__Specification14_spec__1_#t~ret138#1; 268181#L3390-2 assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6#1); 257039#L3390-3 assume { :end_inline___utac_acc__Specification14_spec__1 } true; 257040#L2995-1 assume { :end_inline_timeShift } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret108#1, timeShift_~tmp~28#1;havoc timeShift_~tmp~28#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 258819#L1966-4 timeShift_#t~ret108#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~28#1 := timeShift_#t~ret108#1;havoc timeShift_#t~ret108#1; 258820#L2977-4 assume 0 != timeShift_~tmp~28#1; 266278#L2978-6 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 274891#L2977-5 assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret138#1, __utac_acc__Specification14_spec__1_#t~ret139#1, __utac_acc__Specification14_spec__1_#t~ret140#1, __utac_acc__Specification14_spec__1_#t~ret141#1, __utac_acc__Specification14_spec__1_~tmp~31#1, __utac_acc__Specification14_spec__1_~tmp___0~13#1, __utac_acc__Specification14_spec__1_~tmp___1~8#1, __utac_acc__Specification14_spec__1_~tmp___2~6#1;havoc __utac_acc__Specification14_spec__1_~tmp~31#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~13#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~8#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret137#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~10#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~10#1; 273201#L1131-392 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~10#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~10#1; 264531#L1158-392 isExecutiveFloorCalling_#t~ret137#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret137#1;havoc isExecutiveFloorCalling_#t~ret137#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 273896#L3357-20 __utac_acc__Specification14_spec__1_#t~ret138#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~6#1 := __utac_acc__Specification14_spec__1_#t~ret138#1;havoc __utac_acc__Specification14_spec__1_#t~ret138#1; 274856#L3390-4 assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6#1); 266877#L3390-5 assume { :end_inline___utac_acc__Specification14_spec__1 } true; 266443#L2995-2 assume { :end_inline_timeShift } true; 260113#L319 assume { :end_inline_threeTS } true;assume { :begin_inline_bobCall } true;havoc bobCall_#t~ret5#1, bobCall_~tmp~0#1;havoc bobCall_~tmp~0#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 0;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 256601#L95-1 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 256602#L120-1 bobCall_#t~ret5#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bobCall_~tmp~0#1 := bobCall_#t~ret5#1;havoc bobCall_#t~ret5#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 0, bobCall_~tmp~0#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 264245#L1402-1 assume 0 == initPersonOnFloor_~floor#1; 264246#L1403-2 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 256829#L1510-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 265523#L1194-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 273975#L1206-5 assume { :end_inline_callOnFloor } true; 281543#L1546-1 assume { :end_inline_initPersonOnFloor } true; 281542#L251 assume { :end_inline_bobCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret108#1, timeShift_~tmp~28#1;havoc timeShift_~tmp~28#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 281541#L1966-6 timeShift_#t~ret108#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~28#1 := timeShift_#t~ret108#1;havoc timeShift_#t~ret108#1; 281540#L2977-6 assume 0 != timeShift_~tmp~28#1; 269037#L2978-9 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 256951#L2977-7 assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret138#1, __utac_acc__Specification14_spec__1_#t~ret139#1, __utac_acc__Specification14_spec__1_#t~ret140#1, __utac_acc__Specification14_spec__1_#t~ret141#1, __utac_acc__Specification14_spec__1_~tmp~31#1, __utac_acc__Specification14_spec__1_~tmp___0~13#1, __utac_acc__Specification14_spec__1_~tmp___1~8#1, __utac_acc__Specification14_spec__1_~tmp___2~6#1;havoc __utac_acc__Specification14_spec__1_~tmp~31#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~13#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~8#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret137#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~10#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~10#1; 274865#L1131-523 assume !(0 == isFloorCalling_~floorID#1); 274895#L1135-523 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~10#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~10#1; 278278#L1158-523 isExecutiveFloorCalling_#t~ret137#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret137#1;havoc isExecutiveFloorCalling_#t~ret137#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 278277#L3357-27 __utac_acc__Specification14_spec__1_#t~ret138#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~6#1 := __utac_acc__Specification14_spec__1_#t~ret138#1;havoc __utac_acc__Specification14_spec__1_#t~ret138#1; 278275#L3390-6 assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6#1); 278274#L3390-7 assume { :end_inline___utac_acc__Specification14_spec__1 } true; 271072#L2995-3 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 271073#L336-2 [2021-12-21 22:25:29,272 INFO L793 eck$LassoCheckResult]: Loop: 271073#L336-2 assume !false; 270736#L337 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 269628#L340 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~13#1;havoc isBlocked_~retValue_acc~13#1;isBlocked_~retValue_acc~13#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~13#1; 269629#L1784 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 273067#L344 assume 1 != cleanup_~tmp___0~0#1; 273068#L344-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret56#1, isIdle_~retValue_acc~20#1, isIdle_~tmp~18#1;havoc isIdle_~retValue_acc~20#1;havoc isIdle_~tmp~18#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret51#1, anyStopRequested_#t~ret52#1, anyStopRequested_#t~ret53#1, anyStopRequested_#t~ret54#1, anyStopRequested_#t~ret55#1, anyStopRequested_~retValue_acc~19#1, anyStopRequested_~tmp~17#1, anyStopRequested_~tmp___0~4#1, anyStopRequested_~tmp___1~3#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~19#1;havoc anyStopRequested_~tmp~17#1;havoc anyStopRequested_~tmp___0~4#1;havoc anyStopRequested_~tmp___1~3#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~10#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~10#1; 267440#L1131-524 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~10#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~10#1; 261931#L1158-524 anyStopRequested_#t~ret51#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret51#1;havoc anyStopRequested_#t~ret51#1; 261932#L2065 assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~19#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~19#1; 273143#L2129 isIdle_#t~ret56#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~18#1 := isIdle_#t~ret56#1;havoc isIdle_#t~ret56#1;isIdle_~retValue_acc~20#1 := (if 0 == isIdle_~tmp~18#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~20#1; 288106#L2142 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 288105#L356 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret108#1, timeShift_~tmp~28#1;havoc timeShift_~tmp~28#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 288104#L1966-8 timeShift_#t~ret108#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~28#1 := timeShift_#t~ret108#1;havoc timeShift_#t~ret108#1; 288103#L2977-8 assume 0 != timeShift_~tmp~28#1; 273082#L2978-12 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 259498#L2977-9 assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret138#1, __utac_acc__Specification14_spec__1_#t~ret139#1, __utac_acc__Specification14_spec__1_#t~ret140#1, __utac_acc__Specification14_spec__1_#t~ret141#1, __utac_acc__Specification14_spec__1_~tmp~31#1, __utac_acc__Specification14_spec__1_~tmp___0~13#1, __utac_acc__Specification14_spec__1_~tmp___1~8#1, __utac_acc__Specification14_spec__1_~tmp___2~6#1;havoc __utac_acc__Specification14_spec__1_~tmp~31#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~13#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~8#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret137#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~10#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~10#1; 263898#L1131-659 assume !(0 == isFloorCalling_~floorID#1); 278286#L1135-659 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~10#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~10#1; 278288#L1158-659 isExecutiveFloorCalling_#t~ret137#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret137#1;havoc isExecutiveFloorCalling_#t~ret137#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 278284#L3357-34 __utac_acc__Specification14_spec__1_#t~ret138#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~6#1 := __utac_acc__Specification14_spec__1_#t~ret138#1;havoc __utac_acc__Specification14_spec__1_#t~ret138#1; 278285#L3390-8 assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6#1); 266821#L3390-9 assume { :end_inline___utac_acc__Specification14_spec__1 } true; 266822#L2995-4 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 271073#L336-2 [2021-12-21 22:25:29,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:25:29,273 INFO L85 PathProgramCache]: Analyzing trace with hash -846593910, now seen corresponding path program 1 times [2021-12-21 22:25:29,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:25:29,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077633153] [2021-12-21 22:25:29,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:25:29,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:25:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:25:29,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:25:29,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 22:25:29,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077633153] [2021-12-21 22:25:29,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077633153] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 22:25:29,368 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 22:25:29,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 22:25:29,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658123733] [2021-12-21 22:25:29,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 22:25:29,369 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-21 22:25:29,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:25:29,370 INFO L85 PathProgramCache]: Analyzing trace with hash 498457030, now seen corresponding path program 1 times [2021-12-21 22:25:29,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:25:29,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838358840] [2021-12-21 22:25:29,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:25:29,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:25:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:25:29,378 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:25:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:25:29,408 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace