./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec9_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b 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_spec9_product28.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 339ae17141354782861ad14ce1f1515b53735bca35311ebbaf6a68a6022f4172 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 23:33:18,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 23:33:18,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 23:33:18,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 23:33:18,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 23:33:18,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 23:33:18,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 23:33:18,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 23:33:18,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 23:33:18,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 23:33:18,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 23:33:18,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 23:33:18,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 23:33:18,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 23:33:18,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 23:33:18,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 23:33:18,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 23:33:18,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 23:33:18,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 23:33:18,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 23:33:18,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 23:33:18,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 23:33:18,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 23:33:18,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 23:33:18,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 23:33:18,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 23:33:18,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 23:33:18,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 23:33:18,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 23:33:18,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 23:33:18,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 23:33:18,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 23:33:18,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 23:33:18,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 23:33:18,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 23:33:18,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 23:33:18,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 23:33:18,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 23:33:18,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 23:33:18,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 23:33:18,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 23:33:18,604 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-14 23:33:18,629 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 23:33:18,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 23:33:18,630 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 23:33:18,630 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 23:33:18,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 23:33:18,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 23:33:18,631 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 23:33:18,632 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-14 23:33:18,632 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-14 23:33:18,632 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-14 23:33:18,633 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-14 23:33:18,633 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-14 23:33:18,633 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-14 23:33:18,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 23:33:18,633 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 23:33:18,633 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 23:33:18,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 23:33:18,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 23:33:18,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 23:33:18,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-14 23:33:18,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-14 23:33:18,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-14 23:33:18,634 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 23:33:18,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 23:33:18,634 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-14 23:33:18,635 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 23:33:18,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-14 23:33:18,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 23:33:18,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 23:33:18,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 23:33:18,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 23:33:18,636 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 23:33:18,636 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-14 23:33:18,636 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 339ae17141354782861ad14ce1f1515b53735bca35311ebbaf6a68a6022f4172 [2021-12-14 23:33:18,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 23:33:18,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 23:33:18,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 23:33:18,828 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 23:33:18,828 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 23:33:18,829 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec9_product28.cil.c [2021-12-14 23:33:18,871 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e3118e6e/a6d3be3995b2421b95fb29ade0234c5f/FLAG330b75039 [2021-12-14 23:33:19,237 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 23:33:19,237 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product28.cil.c [2021-12-14 23:33:19,252 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e3118e6e/a6d3be3995b2421b95fb29ade0234c5f/FLAG330b75039 [2021-12-14 23:33:19,619 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e3118e6e/a6d3be3995b2421b95fb29ade0234c5f [2021-12-14 23:33:19,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 23:33:19,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 23:33:19,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 23:33:19,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 23:33:19,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 23:33:19,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:33:19" (1/1) ... [2021-12-14 23:33:19,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ffa1616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:33:19, skipping insertion in model container [2021-12-14 23:33:19,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:33:19" (1/1) ... [2021-12-14 23:33:19,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 23:33:19,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 23:33:20,078 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_spec9_product28.cil.c[73050,73063] [2021-12-14 23:33:20,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:33:20,100 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 23:33:20,177 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_spec9_product28.cil.c[73050,73063] [2021-12-14 23:33:20,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:33:20,195 INFO L208 MainTranslator]: Completed translation [2021-12-14 23:33:20,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:33:20 WrapperNode [2021-12-14 23:33:20,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 23:33:20,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 23:33:20,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 23:33:20,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 23:33:20,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:33:20" (1/1) ... [2021-12-14 23:33:20,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:33:20" (1/1) ... [2021-12-14 23:33:20,457 INFO L137 Inliner]: procedures = 97, calls = 345, calls flagged for inlining = 197, calls inlined = 616, statements flattened = 18362 [2021-12-14 23:33:20,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 23:33:20,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 23:33:20,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 23:33:20,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 23:33:20,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:33:20" (1/1) ... [2021-12-14 23:33:20,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:33:20" (1/1) ... [2021-12-14 23:33:20,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:33:20" (1/1) ... [2021-12-14 23:33:20,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:33:20" (1/1) ... [2021-12-14 23:33:20,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:33:20" (1/1) ... [2021-12-14 23:33:20,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:33:20" (1/1) ... [2021-12-14 23:33:20,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:33:20" (1/1) ... [2021-12-14 23:33:20,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 23:33:20,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 23:33:20,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 23:33:20,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 23:33:20,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:33:20" (1/1) ... [2021-12-14 23:33:20,773 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:33:20,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:33:20,796 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) [2021-12-14 23:33:20,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-14 23:33:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 23:33:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 23:33:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 23:33:20,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 23:33:21,054 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 23:33:21,055 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 23:33:25,739 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 23:33:25,774 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 23:33:25,774 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 23:33:25,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:33:25 BoogieIcfgContainer [2021-12-14 23:33:25,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 23:33:25,782 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-14 23:33:25,782 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-14 23:33:25,784 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-14 23:33:25,785 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:33:25,785 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.12 11:33:19" (1/3) ... [2021-12-14 23:33:25,786 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d0940d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:33:25, skipping insertion in model container [2021-12-14 23:33:25,786 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:33:25,786 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:33:20" (2/3) ... [2021-12-14 23:33:25,786 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d0940d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:33:25, skipping insertion in model container [2021-12-14 23:33:25,786 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:33:25,786 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:33:25" (3/3) ... [2021-12-14 23:33:25,787 INFO L388 chiAutomizerObserver]: Analyzing ICFG elevator_spec9_product28.cil.c [2021-12-14 23:33:25,820 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-14 23:33:25,820 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-14 23:33:25,820 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-14 23:33:25,820 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-14 23:33:25,820 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-14 23:33:25,820 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-14 23:33:25,820 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-14 23:33:25,821 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-14 23:33:25,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 5173 states, 5172 states have (on average 1.863109048723898) internal successors, (9636), 5172 states have internal predecessors, (9636), 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) [2021-12-14 23:33:25,982 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2570 [2021-12-14 23:33:25,982 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:33:25,982 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:33:25,992 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] [2021-12-14 23:33:25,992 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] [2021-12-14 23:33:25,992 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-14 23:33:26,001 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 5173 states, 5172 states have (on average 1.863109048723898) internal successors, (9636), 5172 states have internal predecessors, (9636), 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) [2021-12-14 23:33:26,102 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2570 [2021-12-14 23:33:26,102 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:33:26,103 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:33:26,105 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] [2021-12-14 23:33:26,105 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] [2021-12-14 23:33:26,114 INFO L791 eck$LassoCheckResult]: Stem: 3229#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);~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~cleanupTimeShifts~0 := 12; 5062#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret127#1, main_~retValue_acc~29#1, main_~tmp~27#1;havoc main_~retValue_acc~29#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 4384#L863true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 793#L856true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 2542#L871true main_#t~ret127#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret127#1;havoc main_#t~ret127#1; 4126#L3348true assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 4830#L3322true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 2398#L2865true assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret120#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~4#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~4#1; 2500#L763true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~4#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~4#1; 1453#L788true bigMacCall_#t~ret120#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~24#1 := bigMacCall_#t~ret120#1;havoc bigMacCall_#t~ret120#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; 5000#L409true assume 0 == initPersonOnFloor_~floor#1; 3670#L410true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 1175#L517-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 2821#L201true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 3416#L213-2true assume { :end_inline_callOnFloor } true; 2841#L553true assume { :end_inline_initPersonOnFloor } true; 3988#L3127true assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret121#1, cleanup_#t~ret122#1, cleanup_~i~1#1, cleanup_~tmp~25#1, cleanup_~tmp___0~9#1, cleanup_~__cil_tmp4~2#1;havoc cleanup_~i~1#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~ret58#1, timeShift_~tmp~12#1;havoc timeShift_~tmp~12#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 4869#L1147true timeShift_#t~ret58#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~12#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 3412#L2090true assume 0 != timeShift_~tmp~12#1; 3966#L2091true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 3993#L2090-1true assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~18#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~5#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~18#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 3272#L1138-6true __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~18#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~18#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~13#1;havoc isEmpty_~retValue_acc~13#1; 1858#L1198-12true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~13#1; 2668#L1230-12true __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~5#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 3593#L2908true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~5#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 673#L2918-1true assume { :end_inline___utac_acc__Specification9_spec__3 } true; 1336#L2108true assume { :end_inline_timeShift } true;cleanup_~i~1#1 := 0; 3694#L3154-2true [2021-12-14 23:33:26,119 INFO L793 eck$LassoCheckResult]: Loop: 3694#L3154-2true assume !false; 2489#L3155true cleanup_~__cil_tmp4~2#1 := ~cleanupTimeShifts~0 - 1; 3927#L3158true assume cleanup_~i~1#1 < cleanup_~__cil_tmp4~2#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~8#1;havoc isBlocked_~retValue_acc~8#1;isBlocked_~retValue_acc~8#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~8#1; 1616#L960true cleanup_#t~ret121#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~9#1 := cleanup_#t~ret121#1;havoc cleanup_#t~ret121#1; 7#L3162true assume 1 != cleanup_~tmp___0~9#1; 5015#L3162-1true assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret13#1, isIdle_~retValue_acc~15#1, isIdle_~tmp~4#1;havoc isIdle_~retValue_acc~15#1;havoc isIdle_~tmp~4#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret8#1, anyStopRequested_#t~ret9#1, anyStopRequested_#t~ret10#1, anyStopRequested_#t~ret11#1, anyStopRequested_#t~ret12#1, anyStopRequested_~retValue_acc~14#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~14#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~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 4730#L138-50true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 2972#L165-50true anyStopRequested_#t~ret8#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret8#1;havoc anyStopRequested_#t~ret8#1; 1020#L1246true assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~14#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~14#1; 1400#L1310true isIdle_#t~ret13#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~4#1 := isIdle_#t~ret13#1;havoc isIdle_#t~ret13#1;isIdle_~retValue_acc~15#1 := (if 0 == isIdle_~tmp~4#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~15#1; 5077#L1323true cleanup_#t~ret122#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~25#1 := cleanup_#t~ret122#1;havoc cleanup_#t~ret122#1; 1312#L3174true assume !(0 != cleanup_~tmp~25#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_~tmp~12#1;havoc timeShift_~tmp~12#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 515#L1147-2true timeShift_#t~ret58#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~12#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 2490#L2090-2true assume 0 != timeShift_~tmp~12#1; 1266#L2091-3true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 195#L2090-3true assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~18#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~5#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~18#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 3299#L1138-13true __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~18#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~18#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~13#1;havoc isEmpty_~retValue_acc~13#1; 3075#L1198-25true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~13#1; 704#L1230-25true __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~5#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 2363#L2908-2true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~5#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 4102#L2918-3true assume { :end_inline___utac_acc__Specification9_spec__3 } true; 82#L2108-1true assume { :end_inline_timeShift } true;cleanup_~i~1#1 := 1 + cleanup_~i~1#1; 3694#L3154-2true [2021-12-14 23:33:26,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:33:26,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1768245152, now seen corresponding path program 1 times [2021-12-14 23:33:26,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:33:26,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489381376] [2021-12-14 23:33:26,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:33:26,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:33:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:33:26,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:33:26,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:33:26,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489381376] [2021-12-14 23:33:26,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489381376] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:33:26,371 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:33:26,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:33:26,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408076825] [2021-12-14 23:33:26,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:33:26,380 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:33:26,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:33:26,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1212899440, now seen corresponding path program 1 times [2021-12-14 23:33:26,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:33:26,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980463172] [2021-12-14 23:33:26,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:33:26,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:33:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:33:26,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:33:26,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:33:26,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980463172] [2021-12-14 23:33:26,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980463172] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:33:26,444 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:33:26,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 23:33:26,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660191203] [2021-12-14 23:33:26,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:33:26,445 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:33:26,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:33:26,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 23:33:26,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 23:33:26,495 INFO L87 Difference]: Start difference. First operand has 5173 states, 5172 states have (on average 1.863109048723898) internal successors, (9636), 5172 states have internal predecessors, (9636), 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 4 states, 4 states have (on average 5.5) internal successors, (22), 4 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) [2021-12-14 23:33:27,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:33:27,080 INFO L93 Difference]: Finished difference Result 13662 states and 25438 transitions. [2021-12-14 23:33:27,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 23:33:27,085 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13662 states and 25438 transitions. [2021-12-14 23:33:27,325 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9310 [2021-12-14 23:33:27,395 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13662 states to 13608 states and 25377 transitions. [2021-12-14 23:33:27,396 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13608 [2021-12-14 23:33:27,410 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13608 [2021-12-14 23:33:27,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13608 states and 25377 transitions. [2021-12-14 23:33:27,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:33:27,431 INFO L681 BuchiCegarLoop]: Abstraction has 13608 states and 25377 transitions. [2021-12-14 23:33:27,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13608 states and 25377 transitions. [2021-12-14 23:33:27,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13608 to 5154. [2021-12-14 23:33:27,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5154 states, 5154 states have (on average 1.8639891346526969) internal successors, (9607), 5153 states have internal predecessors, (9607), 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) [2021-12-14 23:33:27,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5154 states to 5154 states and 9607 transitions. [2021-12-14 23:33:27,571 INFO L704 BuchiCegarLoop]: Abstraction has 5154 states and 9607 transitions. [2021-12-14 23:33:27,571 INFO L587 BuchiCegarLoop]: Abstraction has 5154 states and 9607 transitions. [2021-12-14 23:33:27,571 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-14 23:33:27,571 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5154 states and 9607 transitions. [2021-12-14 23:33:27,590 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2572 [2021-12-14 23:33:27,590 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:33:27,590 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:33:27,592 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] [2021-12-14 23:33:27,592 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, 1] [2021-12-14 23:33:27,592 INFO L791 eck$LassoCheckResult]: Stem: 23369#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(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);~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~cleanupTimeShifts~0 := 12; 23370#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret127#1, main_~retValue_acc~29#1, main_~tmp~27#1;havoc main_~retValue_acc~29#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 23903#L863 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 20513#L856 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 20514#L871 main_#t~ret127#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret127#1;havoc main_#t~ret127#1; 22817#L3348 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 23823#L3322 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 22669#L2865 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret120#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~4#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~4#1; 22670#L763 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~4#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~4#1; 21320#L788 bigMacCall_#t~ret120#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~24#1 := bigMacCall_#t~ret120#1;havoc bigMacCall_#t~ret120#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; 21566#L409 assume 0 == initPersonOnFloor_~floor#1; 23618#L410 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 19216#L517-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 21156#L201 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 20971#L213-2 assume { :end_inline_callOnFloor } true; 23068#L553 assume { :end_inline_initPersonOnFloor } true; 23069#L3127 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret121#1, cleanup_#t~ret122#1, cleanup_~i~1#1, cleanup_~tmp~25#1, cleanup_~tmp___0~9#1, cleanup_~__cil_tmp4~2#1;havoc cleanup_~i~1#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~ret58#1, timeShift_~tmp~12#1;havoc timeShift_~tmp~12#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 23763#L1147 timeShift_#t~ret58#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~12#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 23485#L2090 assume 0 != timeShift_~tmp~12#1; 23486#L2091 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 21048#L2090-1 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~18#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~5#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~18#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 23398#L1138-6 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~18#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~18#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~13#1;havoc isEmpty_~retValue_acc~13#1; 22084#L1198-12 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~13#1; 19589#L1230-12 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~5#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 23584#L2908 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~5#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 20422#L1147-1 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 20423#L2918 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 18904#L2918-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 20296#L2108 assume { :end_inline_timeShift } true;cleanup_~i~1#1 := 0; 19052#L3154-2 [2021-12-14 23:33:27,593 INFO L793 eck$LassoCheckResult]: Loop: 19052#L3154-2 assume !false; 22767#L3155 cleanup_~__cil_tmp4~2#1 := ~cleanupTimeShifts~0 - 1; 22768#L3158 assume cleanup_~i~1#1 < cleanup_~__cil_tmp4~2#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~8#1;havoc isBlocked_~retValue_acc~8#1;isBlocked_~retValue_acc~8#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~8#1; 21789#L960 cleanup_#t~ret121#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~9#1 := cleanup_#t~ret121#1;havoc cleanup_#t~ret121#1; 18859#L3162 assume 1 != cleanup_~tmp___0~9#1; 18860#L3162-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret13#1, isIdle_~retValue_acc~15#1, isIdle_~tmp~4#1;havoc isIdle_~retValue_acc~15#1;havoc isIdle_~tmp~4#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret8#1, anyStopRequested_#t~ret9#1, anyStopRequested_#t~ret10#1, anyStopRequested_#t~ret11#1, anyStopRequested_#t~ret12#1, anyStopRequested_~retValue_acc~14#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~14#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~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 23971#L138-50 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 20395#L165-50 anyStopRequested_#t~ret8#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret8#1;havoc anyStopRequested_#t~ret8#1; 20901#L1246 assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~14#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~14#1; 20902#L1310 isIdle_#t~ret13#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~4#1 := isIdle_#t~ret13#1;havoc isIdle_#t~ret13#1;isIdle_~retValue_acc~15#1 := (if 0 == isIdle_~tmp~4#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~15#1; 21490#L1323 cleanup_#t~ret122#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~25#1 := cleanup_#t~ret122#1;havoc cleanup_#t~ret122#1; 21359#L3174 assume !(0 != cleanup_~tmp~25#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_~tmp~12#1;havoc timeShift_~tmp~12#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 20005#L1147-2 timeShift_#t~ret58#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~12#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 20006#L2090-2 assume 0 != timeShift_~tmp~12#1; 21294#L2091-3 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 19331#L2090-3 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~18#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~5#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~18#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 19332#L1138-13 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~18#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~18#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~13#1;havoc isEmpty_~retValue_acc~13#1; 23251#L1198-25 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~13#1; 22473#L1230-25 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~5#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 22639#L2908-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~5#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 22640#L1147-3 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 23942#L2918-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1); 20806#L2918-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 19051#L2108-1 assume { :end_inline_timeShift } true;cleanup_~i~1#1 := 1 + cleanup_~i~1#1; 19052#L3154-2 [2021-12-14 23:33:27,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:33:27,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1523253821, now seen corresponding path program 1 times [2021-12-14 23:33:27,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:33:27,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625204723] [2021-12-14 23:33:27,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:33:27,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:33:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:33:27,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:33:27,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:33:27,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625204723] [2021-12-14 23:33:27,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625204723] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:33:27,627 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:33:27,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:33:27,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142184138] [2021-12-14 23:33:27,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:33:27,628 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:33:27,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:33:27,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1659633677, now seen corresponding path program 1 times [2021-12-14 23:33:27,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:33:27,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873695398] [2021-12-14 23:33:27,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:33:27,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:33:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:33:27,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:33:27,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:33:27,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873695398] [2021-12-14 23:33:27,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873695398] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:33:27,662 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:33:27,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 23:33:27,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435828715] [2021-12-14 23:33:27,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:33:27,663 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:33:27,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:33:27,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 23:33:27,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-14 23:33:27,664 INFO L87 Difference]: Start difference. First operand 5154 states and 9607 transitions. cyclomatic complexity: 4454 Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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) [2021-12-14 23:33:28,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:33:28,104 INFO L93 Difference]: Finished difference Result 8501 states and 15716 transitions. [2021-12-14 23:33:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-14 23:33:28,105 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8501 states and 15716 transitions. [2021-12-14 23:33:28,142 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6809 [2021-12-14 23:33:28,177 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8501 states to 8501 states and 15716 transitions. [2021-12-14 23:33:28,177 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8501 [2021-12-14 23:33:28,184 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8501 [2021-12-14 23:33:28,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8501 states and 15716 transitions. [2021-12-14 23:33:28,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:33:28,196 INFO L681 BuchiCegarLoop]: Abstraction has 8501 states and 15716 transitions. [2021-12-14 23:33:28,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8501 states and 15716 transitions. [2021-12-14 23:33:28,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8501 to 4603. [2021-12-14 23:33:28,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4603 states, 4603 states have (on average 1.8572669997827504) internal successors, (8549), 4602 states have internal predecessors, (8549), 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) [2021-12-14 23:33:28,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4603 states to 4603 states and 8549 transitions. [2021-12-14 23:33:28,285 INFO L704 BuchiCegarLoop]: Abstraction has 4603 states and 8549 transitions. [2021-12-14 23:33:28,285 INFO L587 BuchiCegarLoop]: Abstraction has 4603 states and 8549 transitions. [2021-12-14 23:33:28,285 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-14 23:33:28,285 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4603 states and 8549 transitions. [2021-12-14 23:33:28,298 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2946 [2021-12-14 23:33:28,299 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:33:28,299 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:33:28,300 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] [2021-12-14 23:33:28,300 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, 1, 1, 1] [2021-12-14 23:33:28,301 INFO L791 eck$LassoCheckResult]: Stem: 36054#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(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);~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~cleanupTimeShifts~0 := 12; 36055#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret127#1, main_~retValue_acc~29#1, main_~tmp~27#1;havoc main_~retValue_acc~29#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 36500#L863 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 33818#L856 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 33819#L871 main_#t~ret127#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret127#1;havoc main_#t~ret127#1; 35618#L3348 assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 36431#L3322 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 35493#L2865 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret120#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~4#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~4#1; 35494#L763 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~4#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~4#1; 34459#L788 bigMacCall_#t~ret120#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~24#1 := bigMacCall_#t~ret120#1;havoc bigMacCall_#t~ret120#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; 34651#L409 assume 0 == initPersonOnFloor_~floor#1; 36261#L410 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 32835#L517-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 34326#L201 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 34174#L213-2 assume { :end_inline_callOnFloor } true; 35818#L553 assume { :end_inline_initPersonOnFloor } true; 35819#L3127 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret121#1, cleanup_#t~ret122#1, cleanup_~i~1#1, cleanup_~tmp~25#1, cleanup_~tmp___0~9#1, cleanup_~__cil_tmp4~2#1;havoc cleanup_~i~1#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~ret58#1, timeShift_~tmp~12#1;havoc timeShift_~tmp~12#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 36380#L1147 timeShift_#t~ret58#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~12#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 36148#L2090 assume 0 != timeShift_~tmp~12#1; 36149#L2091 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 34234#L2090-1 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~18#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~5#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~18#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 36079#L1138-6 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~18#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~18#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~13#1;havoc isEmpty_~retValue_acc~13#1; 35047#L1198-12 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~13#1; 33110#L1230-12 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~5#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 36233#L2908 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~5#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 33756#L1147-1 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 33757#L2918 assume 0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1; 36135#L2919 assume 0 == __utac_acc__Specification9_spec__3_~floor~0#1; 32591#L2920 assume 0 != ~floorButtons_spc9_0~0;~floorButtons_spc9_0~0 := 0; 32593#L2918-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 33651#L2108 assume { :end_inline_timeShift } true;cleanup_~i~1#1 := 0; 32719#L3154-2 [2021-12-14 23:33:28,301 INFO L793 eck$LassoCheckResult]: Loop: 32719#L3154-2 assume !false; 36277#L3155 cleanup_~__cil_tmp4~2#1 := ~cleanupTimeShifts~0 - 1; 36650#L3158 assume cleanup_~i~1#1 < cleanup_~__cil_tmp4~2#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~8#1;havoc isBlocked_~retValue_acc~8#1;isBlocked_~retValue_acc~8#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~8#1; 34837#L960 cleanup_#t~ret121#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~9#1 := cleanup_#t~ret121#1;havoc cleanup_#t~ret121#1; 32551#L3162 assume 1 != cleanup_~tmp___0~9#1; 32552#L3162-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret13#1, isIdle_~retValue_acc~15#1, isIdle_~tmp~4#1;havoc isIdle_~retValue_acc~15#1;havoc isIdle_~tmp~4#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret8#1, anyStopRequested_#t~ret9#1, anyStopRequested_#t~ret10#1, anyStopRequested_#t~ret11#1, anyStopRequested_#t~ret12#1, anyStopRequested_~retValue_acc~14#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~14#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~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 36555#L138-50 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 33729#L165-50 anyStopRequested_#t~ret8#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret8#1;havoc anyStopRequested_#t~ret8#1; 34111#L1246 assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~14#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~14#1; 34112#L1310 isIdle_#t~ret13#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~4#1 := isIdle_#t~ret13#1;havoc isIdle_#t~ret13#1;isIdle_~retValue_acc~15#1 := (if 0 == isIdle_~tmp~4#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~15#1; 34592#L1323 cleanup_#t~ret122#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~25#1 := cleanup_#t~ret122#1;havoc cleanup_#t~ret122#1; 34491#L3174 assume !(0 != cleanup_~tmp~25#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_~tmp~12#1;havoc timeShift_~tmp~12#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 33432#L1147-2 timeShift_#t~ret58#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~12#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 33433#L2090-2 assume 0 != timeShift_~tmp~12#1; 34436#L2091-3 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 32923#L2090-3 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret111#1, __utac_acc__Specification9_spec__3_#t~ret112#1, __utac_acc__Specification9_spec__3_#t~ret113#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~18#1, __utac_acc__Specification9_spec__3_~tmp___0~8#1, __utac_acc__Specification9_spec__3_~tmp___1~5#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~18#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~8#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 32924#L1138-13 __utac_acc__Specification9_spec__3_#t~ret111#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~18#1 := __utac_acc__Specification9_spec__3_#t~ret111#1;havoc __utac_acc__Specification9_spec__3_#t~ret111#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~18#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~13#1;havoc isEmpty_~retValue_acc~13#1; 36088#L1198-25 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~13#1; 36918#L1230-25 __utac_acc__Specification9_spec__3_#t~ret112#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~5#1 := __utac_acc__Specification9_spec__3_#t~ret112#1;havoc __utac_acc__Specification9_spec__3_#t~ret112#1; 36917#L2908-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~5#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 36912#L1147-3 __utac_acc__Specification9_spec__3_#t~ret113#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~8#1 := __utac_acc__Specification9_spec__3_#t~ret113#1;havoc __utac_acc__Specification9_spec__3_#t~ret113#1; 36916#L2918-2 assume 0 != __utac_acc__Specification9_spec__3_~tmp___0~8#1; 36574#L2919-1 assume 0 == __utac_acc__Specification9_spec__3_~floor~0#1; 36576#L2920-2 assume 0 != ~floorButtons_spc9_0~0;~floorButtons_spc9_0~0 := 0; 36909#L2918-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 32718#L2108-1 assume { :end_inline_timeShift } true;cleanup_~i~1#1 := 1 + cleanup_~i~1#1; 32719#L3154-2 [2021-12-14 23:33:28,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:33:28,302 INFO L85 PathProgramCache]: Analyzing trace with hash 678149864, now seen corresponding path program 1 times [2021-12-14 23:33:28,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:33:28,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640193419] [2021-12-14 23:33:28,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:33:28,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:33:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:33:28,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:33:28,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:33:28,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640193419] [2021-12-14 23:33:28,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640193419] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:33:28,328 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:33:28,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:33:28,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003536915] [2021-12-14 23:33:28,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:33:28,329 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:33:28,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:33:28,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1533486248, now seen corresponding path program 1 times [2021-12-14 23:33:28,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:33:28,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062409049] [2021-12-14 23:33:28,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:33:28,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:33:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:33:28,337 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:33:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:33:28,356 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:33:28,818 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:33:28,818 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:33:28,818 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:33:28,818 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:33:28,819 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-14 23:33:28,819 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:33:28,819 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:33:28,819 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:33:28,819 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec9_product28.cil.c_Iteration3_Loop [2021-12-14 23:33:28,819 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:33:28,819 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:33:28,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:28,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,182 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:33:29,183 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-14 23:33:29,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:33:29,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:33:29,186 INFO L229 MonitoredProcess]: Starting monitored process 2 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) [2021-12-14 23:33:29,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-14 23:33:29,210 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:33:29,211 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:33:29,234 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-12-14 23:33:29,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:33:29,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:33:29,236 INFO L229 MonitoredProcess]: Starting monitored process 3 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) [2021-12-14 23:33:29,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-14 23:33:29,252 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-14 23:33:29,252 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:33:29,759 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-14 23:33:29,763 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-14 23:33:29,763 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:33:29,763 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:33:29,763 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:33:29,763 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:33:29,763 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-14 23:33:29,763 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:33:29,763 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:33:29,763 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:33:29,763 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec9_product28.cil.c_Iteration3_Loop [2021-12-14 23:33:29,763 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:33:29,763 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:33:29,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:29,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:33:30,124 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:33:30,127 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-14 23:33:30,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:33:30,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:33:30,135 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2021-12-14 23:33:30,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-14 23:33:30,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:33:30,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:33:30,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:33:30,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:33:30,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:33:30,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:33:30,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:33:30,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:33:30,159 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-14 23:33:30,165 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-14 23:33:30,165 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-14 23:33:30,166 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:33:30,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:33:30,198 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2021-12-14 23:33:30,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-14 23:33:30,200 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-14 23:33:30,200 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-14 23:33:30,200 INFO L513 LassoAnalysis]: Proved termination. [2021-12-14 23:33:30,201 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~cleanupTimeShifts~0, ULTIMATE.start_cleanup_~i~1#1) = 1*~cleanupTimeShifts~0 - 1*ULTIMATE.start_cleanup_~i~1#1 Supporting invariants [] [2021-12-14 23:33:30,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-14 23:33:30,227 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-14 23:33:30,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:33:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:33:30,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-14 23:33:30,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:33:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:33:30,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-14 23:33:30,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:33:30,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-14 23:33:30,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:33:30,542 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-14 23:33:30,543 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4603 states and 8549 transitions. cyclomatic complexity: 3947 Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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) [2021-12-14 23:33:30,804 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4603 states and 8549 transitions. cyclomatic complexity: 3947. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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) Result 7549 states and 14024 transitions. Complement of second has 8 states. [2021-12-14 23:33:30,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-14 23:33:30,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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) [2021-12-14 23:33:30,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7272 transitions. [2021-12-14 23:33:30,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7272 transitions. Stem has 31 letters. Loop has 26 letters. [2021-12-14 23:33:30,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:33:30,813 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7272 transitions. Stem has 57 letters. Loop has 26 letters. [2021-12-14 23:33:30,814 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:33:30,814 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7272 transitions. Stem has 31 letters. Loop has 52 letters. [2021-12-14 23:33:30,814 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:33:30,814 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7549 states and 14024 transitions. [2021-12-14 23:33:30,838 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:33:30,839 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7549 states to 0 states and 0 transitions. [2021-12-14 23:33:30,839 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-14 23:33:30,839 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-14 23:33:30,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-14 23:33:30,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:33:30,839 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:33:30,839 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:33:30,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:33:30,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 23:33:30,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 23:33:30,840 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-12-14 23:33:30,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:33:30,840 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-12-14 23:33:30,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-14 23:33:30,841 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-12-14 23:33:30,841 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:33:30,841 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-12-14 23:33:30,841 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-14 23:33:30,841 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-14 23:33:30,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-14 23:33:30,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:33:30,842 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:33:30,842 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:33:30,842 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:33:30,842 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-14 23:33:30,842 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-14 23:33:30,842 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:33:30,842 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-14 23:33:30,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.12 11:33:30 BoogieIcfgContainer [2021-12-14 23:33:30,847 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-14 23:33:30,847 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 23:33:30,848 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 23:33:30,848 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 23:33:30,848 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:33:25" (3/4) ... [2021-12-14 23:33:30,850 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-14 23:33:30,850 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 23:33:30,850 INFO L158 Benchmark]: Toolchain (without parser) took 11225.98ms. Allocated memory was 94.4MB in the beginning and 939.5MB in the end (delta: 845.2MB). Free memory was 57.9MB in the beginning and 630.5MB in the end (delta: -572.6MB). Peak memory consumption was 271.8MB. Max. memory is 16.1GB. [2021-12-14 23:33:30,851 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 77.6MB. Free memory was 48.3MB in the beginning and 48.3MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:33:30,851 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.54ms. Allocated memory is still 94.4MB. Free memory was 57.7MB in the beginning and 44.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-14 23:33:30,852 INFO L158 Benchmark]: Boogie Procedure Inliner took 261.91ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 44.4MB in the beginning and 72.8MB in the end (delta: -28.4MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2021-12-14 23:33:30,852 INFO L158 Benchmark]: Boogie Preprocessor took 307.41ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 43.3MB in the end (delta: 29.6MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2021-12-14 23:33:30,852 INFO L158 Benchmark]: RCFGBuilder took 5014.70ms. Allocated memory was 117.4MB in the beginning and 469.8MB in the end (delta: 352.3MB). Free memory was 43.3MB in the beginning and 247.5MB in the end (delta: -204.2MB). Peak memory consumption was 161.2MB. Max. memory is 16.1GB. [2021-12-14 23:33:30,853 INFO L158 Benchmark]: BuchiAutomizer took 5065.16ms. Allocated memory was 469.8MB in the beginning and 939.5MB in the end (delta: 469.8MB). Free memory was 247.5MB in the beginning and 631.6MB in the end (delta: -384.1MB). Peak memory consumption was 86.7MB. Max. memory is 16.1GB. [2021-12-14 23:33:30,853 INFO L158 Benchmark]: Witness Printer took 2.38ms. Allocated memory is still 939.5MB. Free memory was 631.6MB in the beginning and 630.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:33:30,855 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 77.6MB. Free memory was 48.3MB in the beginning and 48.3MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.54ms. Allocated memory is still 94.4MB. Free memory was 57.7MB in the beginning and 44.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 261.91ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 44.4MB in the beginning and 72.8MB in the end (delta: -28.4MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 307.41ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 43.3MB in the end (delta: 29.6MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5014.70ms. Allocated memory was 117.4MB in the beginning and 469.8MB in the end (delta: 352.3MB). Free memory was 43.3MB in the beginning and 247.5MB in the end (delta: -204.2MB). Peak memory consumption was 161.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 5065.16ms. Allocated memory was 469.8MB in the beginning and 939.5MB in the end (delta: 469.8MB). Free memory was 247.5MB in the beginning and 631.6MB in the end (delta: -384.1MB). Peak memory consumption was 86.7MB. Max. memory is 16.1GB. * Witness Printer took 2.38ms. Allocated memory is still 939.5MB. Free memory was 631.6MB in the beginning and 630.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function cleanupTimeShifts + -1 * i and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.2s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 12352 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.4s Buchi closure took 0.0s. Biggest automaton had 5154 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65972 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65971 mSDsluCounter, 103464 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 71680 mSDsCounter, 284 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 267 IncrementalHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 284 mSolverCounterUnsat, 31784 mSDtfsCounter, 267 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI2 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital121 mio100 ax100 hnf100 lsp14 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq211 hnf89 smp100 dnf176 smp100 tf103 neg96 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 72ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-14 23:33:30,899 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 Writing output log to file Ultimate.log Result: TRUE