./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec9_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e19ca921 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_product26.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d5d3c0f581b3d52ccfb3e43d6fb6458a66cd40c307750c0d7336040b60b78e76 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 20:19:41,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 20:19:41,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 20:19:41,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 20:19:41,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 20:19:41,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 20:19:41,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 20:19:41,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 20:19:41,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 20:19:41,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 20:19:41,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 20:19:41,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 20:19:41,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 20:19:41,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 20:19:41,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 20:19:41,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 20:19:41,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 20:19:41,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 20:19:41,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 20:19:41,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 20:19:41,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 20:19:41,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 20:19:41,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 20:19:41,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 20:19:41,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 20:19:41,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 20:19:41,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 20:19:41,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 20:19:41,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 20:19:41,341 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 20:19:41,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 20:19:41,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 20:19:41,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 20:19:41,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 20:19:41,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 20:19:41,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 20:19:41,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 20:19:41,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 20:19:41,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 20:19:41,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 20:19:41,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 20:19:41,350 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-22 20:19:41,374 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 20:19:41,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 20:19:41,375 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 20:19:41,375 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 20:19:41,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 20:19:41,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 20:19:41,376 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 20:19:41,376 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-22 20:19:41,377 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-22 20:19:41,377 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-22 20:19:41,377 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-22 20:19:41,377 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-22 20:19:41,378 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-22 20:19:41,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 20:19:41,378 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 20:19:41,378 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 20:19:41,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 20:19:41,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 20:19:41,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 20:19:41,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-22 20:19:41,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-22 20:19:41,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-22 20:19:41,379 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 20:19:41,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 20:19:41,379 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-22 20:19:41,379 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 20:19:41,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-22 20:19:41,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 20:19:41,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 20:19:41,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 20:19:41,380 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 20:19:41,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 20:19:41,381 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-22 20:19:41,381 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5d3c0f581b3d52ccfb3e43d6fb6458a66cd40c307750c0d7336040b60b78e76 [2021-12-22 20:19:41,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 20:19:41,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 20:19:41,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 20:19:41,599 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 20:19:41,600 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 20:19:41,601 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec9_product26.cil.c [2021-12-22 20:19:41,659 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/058dc93a1/d5a0c6feb1a04039ae83d7cda1de5359/FLAG1b91bc2d1 [2021-12-22 20:19:42,154 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 20:19:42,155 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product26.cil.c [2021-12-22 20:19:42,172 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/058dc93a1/d5a0c6feb1a04039ae83d7cda1de5359/FLAG1b91bc2d1 [2021-12-22 20:19:42,673 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/058dc93a1/d5a0c6feb1a04039ae83d7cda1de5359 [2021-12-22 20:19:42,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 20:19:42,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 20:19:42,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 20:19:42,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 20:19:42,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 20:19:42,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:19:42" (1/1) ... [2021-12-22 20:19:42,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de10ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:19:42, skipping insertion in model container [2021-12-22 20:19:42,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:19:42" (1/1) ... [2021-12-22 20:19:42,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 20:19:42,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 20:19:43,034 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_product26.cil.c[46529,46542] [2021-12-22 20:19:43,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:19:43,085 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 20:19:43,151 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_product26.cil.c[46529,46542] [2021-12-22 20:19:43,170 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:19:43,191 INFO L208 MainTranslator]: Completed translation [2021-12-22 20:19:43,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:19:43 WrapperNode [2021-12-22 20:19:43,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 20:19:43,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 20:19:43,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 20:19:43,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 20:19:43,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:19:43" (1/1) ... [2021-12-22 20:19:43,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:19:43" (1/1) ... [2021-12-22 20:19:43,390 INFO L137 Inliner]: procedures = 93, calls = 337, calls flagged for inlining = 189, calls inlined = 556, statements flattened = 17245 [2021-12-22 20:19:43,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 20:19:43,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 20:19:43,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 20:19:43,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 20:19:43,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:19:43" (1/1) ... [2021-12-22 20:19:43,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:19:43" (1/1) ... [2021-12-22 20:19:43,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:19:43" (1/1) ... [2021-12-22 20:19:43,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:19:43" (1/1) ... [2021-12-22 20:19:43,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:19:43" (1/1) ... [2021-12-22 20:19:43,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:19:43" (1/1) ... [2021-12-22 20:19:43,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:19:43" (1/1) ... [2021-12-22 20:19:43,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 20:19:43,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 20:19:43,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 20:19:43,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 20:19:43,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:19:43" (1/1) ... [2021-12-22 20:19:43,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:19:43,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:19:43,750 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) [2021-12-22 20:19:43,754 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 [2021-12-22 20:19:43,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 20:19:43,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 20:19:43,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 20:19:43,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 20:19:43,918 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 20:19:43,919 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 20:19:48,578 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 20:19:48,617 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 20:19:48,618 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 20:19:48,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:19:48 BoogieIcfgContainer [2021-12-22 20:19:48,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 20:19:48,624 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-22 20:19:48,625 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-22 20:19:48,628 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-22 20:19:48,629 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:19:48,629 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.12 08:19:42" (1/3) ... [2021-12-22 20:19:48,630 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77dfd162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:19:48, skipping insertion in model container [2021-12-22 20:19:48,630 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:19:48,630 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:19:43" (2/3) ... [2021-12-22 20:19:48,630 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77dfd162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:19:48, skipping insertion in model container [2021-12-22 20:19:48,631 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:19:48,631 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:19:48" (3/3) ... [2021-12-22 20:19:48,632 INFO L388 chiAutomizerObserver]: Analyzing ICFG elevator_spec9_product26.cil.c [2021-12-22 20:19:48,667 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-22 20:19:48,667 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-22 20:19:48,667 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-22 20:19:48,667 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-22 20:19:48,667 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-22 20:19:48,668 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-22 20:19:48,668 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-22 20:19:48,668 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-22 20:19:48,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 4989 states, 4988 states have (on average 1.8700882117080995) internal successors, (9328), 4988 states have internal predecessors, (9328), 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) [2021-12-22 20:19:48,852 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2478 [2021-12-22 20:19:48,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:19:48,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:19:48,865 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] [2021-12-22 20:19:48,865 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] [2021-12-22 20:19:48,866 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-22 20:19:48,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 4989 states, 4988 states have (on average 1.8700882117080995) internal successors, (9328), 4988 states have internal predecessors, (9328), 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) [2021-12-22 20:19:48,999 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2478 [2021-12-22 20:19:48,999 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:19:49,000 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:19:49,002 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] [2021-12-22 20:19:49,003 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] [2021-12-22 20:19:49,008 INFO L791 eck$LassoCheckResult]: Stem: 3126#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~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;~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;~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;~cleanupTimeShifts~0 := 12; 4882#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret118#1, main_~retValue_acc~20#1, main_~tmp~25#1;havoc main_~retValue_acc~20#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 981#L3259true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 4199#L3252true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~22#1;havoc valid_product_~retValue_acc~22#1;valid_product_~retValue_acc~22#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~22#1; 2416#L3267true main_#t~ret118#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret118#1;havoc main_#t~ret118#1; 1917#L3132true assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 4816#L3104true 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; 3256#L450true assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret111#1, bigMacCall_~tmp~22#1;havoc bigMacCall_~tmp~22#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~24#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~24#1; 634#L3315true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~24#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~24#1; 2208#L3340true bigMacCall_#t~ret111#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~22#1 := bigMacCall_#t~ret111#1;havoc bigMacCall_#t~ret111#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~22#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 2154#L2483true assume 0 == initPersonOnFloor_~floor#1; 4625#L2484true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 3469#L2591-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 1736#L2275true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 1925#L2287-2true assume { :end_inline_callOnFloor } true; 285#L2627true assume { :end_inline_initPersonOnFloor } true; 1298#L2909true assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret112#1, cleanup_#t~ret113#1, cleanup_~i~1#1, cleanup_~tmp~23#1, cleanup_~tmp___0~7#1, cleanup_~__cil_tmp4~2#1;havoc cleanup_~i~1#1;havoc cleanup_~tmp~23#1;havoc cleanup_~tmp___0~7#1;havoc cleanup_~__cil_tmp4~2#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret76#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 2663#L864true timeShift_#t~ret76#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret76#1;havoc timeShift_#t~ret76#1; 2982#L1746true assume 0 != timeShift_~tmp~14#1; 3767#L1747true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 990#L1746-1true assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret27#1, __utac_acc__Specification9_spec__3_#t~ret28#1, __utac_acc__Specification9_spec__3_#t~ret29#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~3#1, __utac_acc__Specification9_spec__3_~tmp___0~0#1, __utac_acc__Specification9_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~3#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;havoc getCurrentFloorID_~retValue_acc~4#1;getCurrentFloorID_~retValue_acc~4#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~4#1; 4062#L855true __utac_acc__Specification9_spec__3_#t~ret27#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~3#1 := __utac_acc__Specification9_spec__3_#t~ret27#1;havoc __utac_acc__Specification9_spec__3_#t~ret27#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~3#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~8#1;havoc isEmpty_~retValue_acc~8#1; 3979#L915-12true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~8#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~8#1; 2238#L947-12true __utac_acc__Specification9_spec__3_#t~ret28#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~0#1 := __utac_acc__Specification9_spec__3_#t~ret28#1;havoc __utac_acc__Specification9_spec__3_#t~ret28#1; 3006#L493true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~0#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; 237#L503-1true assume { :end_inline___utac_acc__Specification9_spec__3 } true; 1300#L1764true assume { :end_inline_timeShift } true;cleanup_~i~1#1 := 0; 4277#L2936-2true [2021-12-22 20:19:49,009 INFO L793 eck$LassoCheckResult]: Loop: 4277#L2936-2true assume !false; 383#L2937true cleanup_~__cil_tmp4~2#1 := ~cleanupTimeShifts~0 - 1; 1499#L2940true assume cleanup_~i~1#1 < cleanup_~__cil_tmp4~2#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~3#1;havoc isBlocked_~retValue_acc~3#1;isBlocked_~retValue_acc~3#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~3#1; 1973#L678true cleanup_#t~ret112#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~7#1 := cleanup_#t~ret112#1;havoc cleanup_#t~ret112#1; 3304#L2944true assume 1 != cleanup_~tmp___0~7#1; 712#L2944-1true assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret38#1, isIdle_~retValue_acc~10#1, isIdle_~tmp~8#1;havoc isIdle_~retValue_acc~10#1;havoc isIdle_~tmp~8#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret33#1, anyStopRequested_#t~ret34#1, anyStopRequested_#t~ret35#1, anyStopRequested_#t~ret36#1, anyStopRequested_#t~ret37#1, anyStopRequested_~retValue_acc~9#1, anyStopRequested_~tmp~7#1, anyStopRequested_~tmp___0~1#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~0#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~9#1;havoc anyStopRequested_~tmp~7#1;havoc anyStopRequested_~tmp___0~1#1;havoc anyStopRequested_~tmp___1~1#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~16#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~16#1; 3212#L2212-42true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~16#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~16#1; 1890#L2239-42true anyStopRequested_#t~ret33#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret33#1;havoc anyStopRequested_#t~ret33#1; 2157#L963true assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~9#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~9#1; 4358#L1027true isIdle_#t~ret38#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~8#1 := isIdle_#t~ret38#1;havoc isIdle_#t~ret38#1;isIdle_~retValue_acc~10#1 := (if 0 == isIdle_~tmp~8#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~10#1; 352#L1040true cleanup_#t~ret113#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~23#1 := cleanup_#t~ret113#1;havoc cleanup_#t~ret113#1; 4588#L2956true assume !(0 != cleanup_~tmp~23#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret76#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 367#L864-2true timeShift_#t~ret76#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret76#1;havoc timeShift_#t~ret76#1; 4053#L1746-2true assume 0 != timeShift_~tmp~14#1; 1380#L1747-3true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 1531#L1746-3true assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret27#1, __utac_acc__Specification9_spec__3_#t~ret28#1, __utac_acc__Specification9_spec__3_#t~ret29#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~3#1, __utac_acc__Specification9_spec__3_~tmp___0~0#1, __utac_acc__Specification9_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~3#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;havoc getCurrentFloorID_~retValue_acc~4#1;getCurrentFloorID_~retValue_acc~4#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~4#1; 4840#L855-1true __utac_acc__Specification9_spec__3_#t~ret27#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~3#1 := __utac_acc__Specification9_spec__3_#t~ret27#1;havoc __utac_acc__Specification9_spec__3_#t~ret27#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~3#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~8#1;havoc isEmpty_~retValue_acc~8#1; 1996#L915-25true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~8#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~8#1; 294#L947-25true __utac_acc__Specification9_spec__3_#t~ret28#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~0#1 := __utac_acc__Specification9_spec__3_#t~ret28#1;havoc __utac_acc__Specification9_spec__3_#t~ret28#1; 1782#L493-2true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~0#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; 4321#L503-3true assume { :end_inline___utac_acc__Specification9_spec__3 } true; 608#L1764-1true assume { :end_inline_timeShift } true;cleanup_~i~1#1 := 1 + cleanup_~i~1#1; 4277#L2936-2true [2021-12-22 20:19:49,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:19:49,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1748420846, now seen corresponding path program 1 times [2021-12-22 20:19:49,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:19:49,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116048317] [2021-12-22 20:19:49,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:19:49,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:19:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:19:49,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:19:49,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:19:49,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116048317] [2021-12-22 20:19:49,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116048317] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:19:49,203 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:19:49,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 20:19:49,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174302131] [2021-12-22 20:19:49,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:19:49,210 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-22 20:19:49,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:19:49,211 INFO L85 PathProgramCache]: Analyzing trace with hash 2026705950, now seen corresponding path program 1 times [2021-12-22 20:19:49,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:19:49,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614206635] [2021-12-22 20:19:49,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:19:49,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:19:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:19:49,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:19:49,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:19:49,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614206635] [2021-12-22 20:19:49,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614206635] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:19:49,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:19:49,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 20:19:49,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056318570] [2021-12-22 20:19:49,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:19:49,252 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-22 20:19:49,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 20:19:49,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 20:19:49,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 20:19:49,290 INFO L87 Difference]: Start difference. First operand has 4989 states, 4988 states have (on average 1.8700882117080995) internal successors, (9328), 4988 states have internal predecessors, (9328), 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) [2021-12-22 20:19:50,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 20:19:50,140 INFO L93 Difference]: Finished difference Result 13294 states and 24822 transitions. [2021-12-22 20:19:50,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 20:19:50,147 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13294 states and 24822 transitions. [2021-12-22 20:19:50,273 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9034 [2021-12-22 20:19:50,373 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13294 states to 13240 states and 24761 transitions. [2021-12-22 20:19:50,375 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13240 [2021-12-22 20:19:50,397 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13240 [2021-12-22 20:19:50,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13240 states and 24761 transitions. [2021-12-22 20:19:50,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 20:19:50,540 INFO L681 BuchiCegarLoop]: Abstraction has 13240 states and 24761 transitions. [2021-12-22 20:19:50,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13240 states and 24761 transitions. [2021-12-22 20:19:50,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13240 to 4970. [2021-12-22 20:19:50,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4970 states, 4970 states have (on average 1.87102615694165) internal successors, (9299), 4969 states have internal predecessors, (9299), 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) [2021-12-22 20:19:50,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4970 states to 4970 states and 9299 transitions. [2021-12-22 20:19:50,684 INFO L704 BuchiCegarLoop]: Abstraction has 4970 states and 9299 transitions. [2021-12-22 20:19:50,684 INFO L587 BuchiCegarLoop]: Abstraction has 4970 states and 9299 transitions. [2021-12-22 20:19:50,684 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-22 20:19:50,684 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4970 states and 9299 transitions. [2021-12-22 20:19:50,699 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2480 [2021-12-22 20:19:50,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:19:50,700 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:19:50,703 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] [2021-12-22 20:19:50,703 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] [2021-12-22 20:19:50,704 INFO L791 eck$LassoCheckResult]: Stem: 22658#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~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;~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;~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;~cleanupTimeShifts~0 := 12; 22659#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret118#1, main_~retValue_acc~20#1, main_~tmp~25#1;havoc main_~retValue_acc~20#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 20292#L3259 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 20293#L3252 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~22#1;havoc valid_product_~retValue_acc~22#1;valid_product_~retValue_acc~22#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~22#1; 22105#L3267 main_#t~ret118#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret118#1;havoc main_#t~ret118#1; 21572#L3132 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 21573#L3104 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; 22741#L450 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret111#1, bigMacCall_~tmp~22#1;havoc bigMacCall_~tmp~22#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~24#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~24#1; 19694#L3315 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~24#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~24#1; 18672#L3340 bigMacCall_#t~ret111#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~22#1 := bigMacCall_#t~ret111#1;havoc bigMacCall_#t~ret111#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~22#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 21852#L2483 assume 0 == initPersonOnFloor_~floor#1; 21853#L2484 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 18754#L2591-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 21345#L2275 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 18746#L2287-2 assume { :end_inline_callOnFloor } true; 18979#L2627 assume { :end_inline_initPersonOnFloor } true; 18980#L2909 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret112#1, cleanup_#t~ret113#1, cleanup_~i~1#1, cleanup_~tmp~23#1, cleanup_~tmp___0~7#1, cleanup_~__cil_tmp4~2#1;havoc cleanup_~i~1#1;havoc cleanup_~tmp~23#1;havoc cleanup_~tmp___0~7#1;havoc cleanup_~__cil_tmp4~2#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret76#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 20782#L864 timeShift_#t~ret76#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret76#1;havoc timeShift_#t~ret76#1; 22318#L1746 assume 0 != timeShift_~tmp~14#1; 22556#L1747 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 20306#L1746-1 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret27#1, __utac_acc__Specification9_spec__3_#t~ret28#1, __utac_acc__Specification9_spec__3_#t~ret29#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~3#1, __utac_acc__Specification9_spec__3_~tmp___0~0#1, __utac_acc__Specification9_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~3#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;havoc getCurrentFloorID_~retValue_acc~4#1;getCurrentFloorID_~retValue_acc~4#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~4#1; 20307#L855 __utac_acc__Specification9_spec__3_#t~ret27#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~3#1 := __utac_acc__Specification9_spec__3_#t~ret27#1;havoc __utac_acc__Specification9_spec__3_#t~ret27#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~3#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~8#1;havoc isEmpty_~retValue_acc~8#1; 23087#L915-12 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~8#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~8#1; 18430#L947-12 __utac_acc__Specification9_spec__3_#t~ret28#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~0#1 := __utac_acc__Specification9_spec__3_#t~ret28#1;havoc __utac_acc__Specification9_spec__3_#t~ret28#1; 22572#L493 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 22573#L864-1 __utac_acc__Specification9_spec__3_#t~ret29#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~0#1 := __utac_acc__Specification9_spec__3_#t~ret29#1;havoc __utac_acc__Specification9_spec__3_#t~ret29#1; 23027#L503 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~0#1); 18876#L503-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 18877#L1764 assume { :end_inline_timeShift } true;cleanup_~i~1#1 := 0; 19642#L2936-2 [2021-12-22 20:19:50,704 INFO L793 eck$LassoCheckResult]: Loop: 19642#L2936-2 assume !false; 19187#L2937 cleanup_~__cil_tmp4~2#1 := ~cleanupTimeShifts~0 - 1; 19188#L2940 assume cleanup_~i~1#1 < cleanup_~__cil_tmp4~2#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~3#1;havoc isBlocked_~retValue_acc~3#1;isBlocked_~retValue_acc~3#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~3#1; 21044#L678 cleanup_#t~ret112#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~7#1 := cleanup_#t~ret112#1;havoc cleanup_#t~ret112#1; 21639#L2944 assume 1 != cleanup_~tmp___0~7#1; 19836#L2944-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret38#1, isIdle_~retValue_acc~10#1, isIdle_~tmp~8#1;havoc isIdle_~retValue_acc~10#1;havoc isIdle_~tmp~8#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret33#1, anyStopRequested_#t~ret34#1, anyStopRequested_#t~ret35#1, anyStopRequested_#t~ret36#1, anyStopRequested_#t~ret37#1, anyStopRequested_~retValue_acc~9#1, anyStopRequested_~tmp~7#1, anyStopRequested_~tmp___0~1#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~0#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~9#1;havoc anyStopRequested_~tmp~7#1;havoc anyStopRequested_~tmp___0~1#1;havoc anyStopRequested_~tmp___1~1#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~16#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~16#1; 19837#L2212-42 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~16#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~16#1; 18959#L2239-42 anyStopRequested_#t~ret33#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret33#1;havoc anyStopRequested_#t~ret33#1; 21546#L963 assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~9#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~9#1; 19444#L1027 isIdle_#t~ret38#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~8#1 := isIdle_#t~ret38#1;havoc isIdle_#t~ret38#1;isIdle_~retValue_acc~10#1 := (if 0 == isIdle_~tmp~8#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~10#1; 19125#L1040 cleanup_#t~ret113#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~23#1 := cleanup_#t~ret113#1;havoc cleanup_#t~ret113#1; 19126#L2956 assume !(0 != cleanup_~tmp~23#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret76#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 19151#L864-2 timeShift_#t~ret76#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret76#1;havoc timeShift_#t~ret76#1; 19152#L1746-2 assume 0 != timeShift_~tmp~14#1; 20897#L1747-3 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 19688#L1746-3 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret27#1, __utac_acc__Specification9_spec__3_#t~ret28#1, __utac_acc__Specification9_spec__3_#t~ret29#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~3#1, __utac_acc__Specification9_spec__3_~tmp___0~0#1, __utac_acc__Specification9_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~3#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;havoc getCurrentFloorID_~retValue_acc~4#1;getCurrentFloorID_~retValue_acc~4#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~4#1; 21077#L855-1 __utac_acc__Specification9_spec__3_#t~ret27#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~3#1 := __utac_acc__Specification9_spec__3_#t~ret27#1;havoc __utac_acc__Specification9_spec__3_#t~ret27#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~3#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~8#1;havoc isEmpty_~retValue_acc~8#1; 21664#L915-25 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~8#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~8#1; 20287#L947-25 __utac_acc__Specification9_spec__3_#t~ret28#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~0#1 := __utac_acc__Specification9_spec__3_#t~ret28#1;havoc __utac_acc__Specification9_spec__3_#t~ret28#1; 21406#L493-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 20542#L864-3 __utac_acc__Specification9_spec__3_#t~ret29#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~0#1 := __utac_acc__Specification9_spec__3_#t~ret29#1;havoc __utac_acc__Specification9_spec__3_#t~ret29#1; 20543#L503-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~0#1); 19574#L503-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 19641#L1764-1 assume { :end_inline_timeShift } true;cleanup_~i~1#1 := 1 + cleanup_~i~1#1; 19642#L2936-2 [2021-12-22 20:19:50,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:19:50,706 INFO L85 PathProgramCache]: Analyzing trace with hash 900412753, now seen corresponding path program 1 times [2021-12-22 20:19:50,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:19:50,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653841843] [2021-12-22 20:19:50,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:19:50,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:19:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:19:50,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:19:50,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:19:50,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653841843] [2021-12-22 20:19:50,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653841843] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:19:50,819 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:19:50,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 20:19:50,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855875573] [2021-12-22 20:19:50,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:19:50,820 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-22 20:19:50,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:19:50,821 INFO L85 PathProgramCache]: Analyzing trace with hash 2044800129, now seen corresponding path program 1 times [2021-12-22 20:19:50,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:19:50,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613520569] [2021-12-22 20:19:50,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:19:50,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:19:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:19:50,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:19:50,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:19:50,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613520569] [2021-12-22 20:19:50,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613520569] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:19:50,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:19:50,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 20:19:50,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689215531] [2021-12-22 20:19:50,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:19:50,861 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-22 20:19:50,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 20:19:50,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 20:19:50,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-22 20:19:50,863 INFO L87 Difference]: Start difference. First operand 4970 states and 9299 transitions. cyclomatic complexity: 4330 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) [2021-12-22 20:19:51,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 20:19:51,405 INFO L93 Difference]: Finished difference Result 8171 states and 15171 transitions. [2021-12-22 20:19:51,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-22 20:19:51,406 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8171 states and 15171 transitions. [2021-12-22 20:19:51,448 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6545 [2021-12-22 20:19:51,489 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8171 states to 8171 states and 15171 transitions. [2021-12-22 20:19:51,490 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8171 [2021-12-22 20:19:51,495 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8171 [2021-12-22 20:19:51,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8171 states and 15171 transitions. [2021-12-22 20:19:51,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 20:19:51,511 INFO L681 BuchiCegarLoop]: Abstraction has 8171 states and 15171 transitions. [2021-12-22 20:19:51,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8171 states and 15171 transitions. [2021-12-22 20:19:51,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8171 to 4425. [2021-12-22 20:19:51,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4425 states, 4425 states have (on average 1.8653107344632769) internal successors, (8254), 4424 states have internal predecessors, (8254), 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) [2021-12-22 20:19:51,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4425 states to 4425 states and 8254 transitions. [2021-12-22 20:19:51,616 INFO L704 BuchiCegarLoop]: Abstraction has 4425 states and 8254 transitions. [2021-12-22 20:19:51,616 INFO L587 BuchiCegarLoop]: Abstraction has 4425 states and 8254 transitions. [2021-12-22 20:19:51,616 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-22 20:19:51,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4425 states and 8254 transitions. [2021-12-22 20:19:51,631 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2834 [2021-12-22 20:19:51,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:19:51,632 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:19:51,633 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] [2021-12-22 20:19:51,633 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] [2021-12-22 20:19:51,634 INFO L791 eck$LassoCheckResult]: Stem: 34868#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~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;~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;~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;~cleanupTimeShifts~0 := 12; 34869#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret118#1, main_~retValue_acc~20#1, main_~tmp~25#1;havoc main_~retValue_acc~20#1;havoc main_~tmp~25#1;assume { :begin_inline_select_helpers } true; 33024#L3259 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 33025#L3252 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~22#1;havoc valid_product_~retValue_acc~22#1;valid_product_~retValue_acc~22#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~22#1; 34434#L3267 main_#t~ret118#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~25#1 := main_#t~ret118#1;havoc main_#t~ret118#1; 34007#L3132 assume 0 != main_~tmp~25#1;assume { :begin_inline_setup } true; 34008#L3104 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; 34935#L450 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret111#1, bigMacCall_~tmp~22#1;havoc bigMacCall_~tmp~22#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~24#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~24#1; 32559#L3315 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~24#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~24#1; 31768#L3340 bigMacCall_#t~ret111#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~22#1 := bigMacCall_#t~ret111#1;havoc bigMacCall_#t~ret111#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~22#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 34234#L2483 assume 0 == initPersonOnFloor_~floor#1; 34235#L2484 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 31835#L2591-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 33832#L2275 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 31827#L2287-2 assume { :end_inline_callOnFloor } true; 32009#L2627 assume { :end_inline_initPersonOnFloor } true; 32010#L2909 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret112#1, cleanup_#t~ret113#1, cleanup_~i~1#1, cleanup_~tmp~23#1, cleanup_~tmp___0~7#1, cleanup_~__cil_tmp4~2#1;havoc cleanup_~i~1#1;havoc cleanup_~tmp~23#1;havoc cleanup_~tmp___0~7#1;havoc cleanup_~__cil_tmp4~2#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret76#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 33405#L864 timeShift_#t~ret76#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret76#1;havoc timeShift_#t~ret76#1; 34604#L1746 assume 0 != timeShift_~tmp~14#1; 34780#L1747 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 33035#L1746-1 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret27#1, __utac_acc__Specification9_spec__3_#t~ret28#1, __utac_acc__Specification9_spec__3_#t~ret29#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~3#1, __utac_acc__Specification9_spec__3_~tmp___0~0#1, __utac_acc__Specification9_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~3#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;havoc getCurrentFloorID_~retValue_acc~4#1;getCurrentFloorID_~retValue_acc~4#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~4#1; 33036#L855 __utac_acc__Specification9_spec__3_#t~ret27#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~3#1 := __utac_acc__Specification9_spec__3_#t~ret27#1;havoc __utac_acc__Specification9_spec__3_#t~ret27#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~3#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~8#1;havoc isEmpty_~retValue_acc~8#1; 35228#L915-12 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~8#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~8#1; 31591#L947-12 __utac_acc__Specification9_spec__3_#t~ret28#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~0#1 := __utac_acc__Specification9_spec__3_#t~ret28#1;havoc __utac_acc__Specification9_spec__3_#t~ret28#1; 34792#L493 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 34793#L864-1 __utac_acc__Specification9_spec__3_#t~ret29#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~0#1 := __utac_acc__Specification9_spec__3_#t~ret29#1;havoc __utac_acc__Specification9_spec__3_#t~ret29#1; 35165#L503 assume 0 != __utac_acc__Specification9_spec__3_~tmp___0~0#1; 35306#L504 assume 0 == __utac_acc__Specification9_spec__3_~floor~0#1; 33849#L505 assume 0 != ~floorButtons_spc9_0~0;~floorButtons_spc9_0~0 := 0; 31928#L503-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 31929#L1764 assume { :end_inline_timeShift } true;cleanup_~i~1#1 := 0; 32521#L2936-2 [2021-12-22 20:19:51,634 INFO L793 eck$LassoCheckResult]: Loop: 32521#L2936-2 assume !false; 32182#L2937 cleanup_~__cil_tmp4~2#1 := ~cleanupTimeShifts~0 - 1; 32183#L2940 assume cleanup_~i~1#1 < cleanup_~__cil_tmp4~2#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~3#1;havoc isBlocked_~retValue_acc~3#1;isBlocked_~retValue_acc~3#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~3#1; 33594#L678 cleanup_#t~ret112#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~7#1 := cleanup_#t~ret112#1;havoc cleanup_#t~ret112#1; 34057#L2944 assume 1 != cleanup_~tmp___0~7#1; 32672#L2944-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret38#1, isIdle_~retValue_acc~10#1, isIdle_~tmp~8#1;havoc isIdle_~retValue_acc~10#1;havoc isIdle_~tmp~8#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret33#1, anyStopRequested_#t~ret34#1, anyStopRequested_#t~ret35#1, anyStopRequested_#t~ret36#1, anyStopRequested_#t~ret37#1, anyStopRequested_~retValue_acc~9#1, anyStopRequested_~tmp~7#1, anyStopRequested_~tmp___0~1#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~0#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~9#1;havoc anyStopRequested_~tmp~7#1;havoc anyStopRequested_~tmp___0~1#1;havoc anyStopRequested_~tmp___1~1#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~16#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~16#1; 32673#L2212-42 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~16#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~16#1; 31997#L2239-42 anyStopRequested_#t~ret33#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret33#1;havoc anyStopRequested_#t~ret33#1; 33987#L963 assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~9#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~9#1; 35416#L1027 isIdle_#t~ret38#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~8#1 := isIdle_#t~ret38#1;havoc isIdle_#t~ret38#1;isIdle_~retValue_acc~10#1 := (if 0 == isIdle_~tmp~8#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~10#1; 35415#L1040 cleanup_#t~ret113#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~23#1 := cleanup_#t~ret113#1;havoc cleanup_#t~ret113#1; 35372#L2956 assume !(0 != cleanup_~tmp~23#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret76#1, timeShift_~tmp~14#1;havoc timeShift_~tmp~14#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 32153#L864-2 timeShift_#t~ret76#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~14#1 := timeShift_#t~ret76#1;havoc timeShift_#t~ret76#1; 32154#L1746-2 assume 0 != timeShift_~tmp~14#1; 33492#L1747-3 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 32555#L1746-3 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret27#1, __utac_acc__Specification9_spec__3_#t~ret28#1, __utac_acc__Specification9_spec__3_#t~ret29#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~3#1, __utac_acc__Specification9_spec__3_~tmp___0~0#1, __utac_acc__Specification9_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~3#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;havoc getCurrentFloorID_~retValue_acc~4#1;getCurrentFloorID_~retValue_acc~4#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~4#1; 33619#L855-1 __utac_acc__Specification9_spec__3_#t~ret27#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~3#1 := __utac_acc__Specification9_spec__3_#t~ret27#1;havoc __utac_acc__Specification9_spec__3_#t~ret27#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~3#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~8#1;havoc isEmpty_~retValue_acc~8#1; 34075#L915-25 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~8#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~8#1; 32023#L947-25 __utac_acc__Specification9_spec__3_#t~ret28#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~0#1 := __utac_acc__Specification9_spec__3_#t~ret28#1;havoc __utac_acc__Specification9_spec__3_#t~ret28#1; 32024#L493-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 33880#L864-3 __utac_acc__Specification9_spec__3_#t~ret29#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~0#1 := __utac_acc__Specification9_spec__3_#t~ret29#1;havoc __utac_acc__Specification9_spec__3_#t~ret29#1; 35364#L503-2 assume 0 != __utac_acc__Specification9_spec__3_~tmp___0~0#1; 35345#L504-1 assume 0 == __utac_acc__Specification9_spec__3_~floor~0#1; 32467#L505-2 assume 0 != ~floorButtons_spc9_0~0;~floorButtons_spc9_0~0 := 0; 32468#L503-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 32520#L1764-1 assume { :end_inline_timeShift } true;cleanup_~i~1#1 := 1 + cleanup_~i~1#1; 32521#L2936-2 [2021-12-22 20:19:51,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:19:51,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1949441206, now seen corresponding path program 1 times [2021-12-22 20:19:51,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:19:51,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737719961] [2021-12-22 20:19:51,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:19:51,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:19:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:19:51,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:19:51,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:19:51,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737719961] [2021-12-22 20:19:51,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737719961] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:19:51,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:19:51,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 20:19:51,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027130184] [2021-12-22 20:19:51,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:19:51,673 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-22 20:19:51,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:19:51,673 INFO L85 PathProgramCache]: Analyzing trace with hash -2100510746, now seen corresponding path program 1 times [2021-12-22 20:19:51,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:19:51,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699800477] [2021-12-22 20:19:51,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:19:51,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:19:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:19:51,680 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:19:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:19:51,700 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:19:52,107 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 20:19:52,108 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 20:19:52,108 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 20:19:52,108 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 20:19:52,108 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-22 20:19:52,109 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:19:52,109 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 20:19:52,109 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 20:19:52,109 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec9_product26.cil.c_Iteration3_Loop [2021-12-22 20:19:52,109 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 20:19:52,109 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 20:19:52,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:52,533 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 20:19:52,534 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-22 20:19:52,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:19:52,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:19:52,538 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) [2021-12-22 20:19:52,545 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 20:19:52,545 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:19:52,555 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 [2021-12-22 20:19:52,572 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-22 20:19:52,573 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:19:52,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:19:52,588 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) [2021-12-22 20:19:52,631 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 [2021-12-22 20:19:52,633 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-22 20:19:52,633 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:19:53,181 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-22 20:19:53,186 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 [2021-12-22 20:19:53,186 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 20:19:53,186 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 20:19:53,186 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 20:19:53,186 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 20:19:53,187 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 20:19:53,187 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:19:53,187 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 20:19:53,187 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 20:19:53,187 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec9_product26.cil.c_Iteration3_Loop [2021-12-22 20:19:53,187 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 20:19:53,187 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 20:19:53,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:19:53,630 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 20:19:53,634 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-22 20:19:53,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:19:53,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:19:53,652 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) [2021-12-22 20:19:53,671 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 [2021-12-22 20:19:53,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:19:53,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:19:53,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:19:53,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:19:53,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:19:53,680 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 [2021-12-22 20:19:53,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:19:53,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:19:53,711 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-22 20:19:53,717 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-22 20:19:53,717 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-22 20:19:53,719 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:19:53,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:19:53,759 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) [2021-12-22 20:19:53,799 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-22 20:19:53,800 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-22 20:19:53,800 INFO L513 LassoAnalysis]: Proved termination. [2021-12-22 20:19:53,801 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 [] [2021-12-22 20:19:53,811 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 [2021-12-22 20:19:53,848 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 [2021-12-22 20:19:53,851 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-22 20:19:53,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:19:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:19:53,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 20:19:54,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:19:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:19:54,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-22 20:19:54,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:19:54,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:19:54,286 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 [2021-12-22 20:19:54,287 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4425 states and 8254 transitions. cyclomatic complexity: 3830 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) [2021-12-22 20:19:54,449 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 [2021-12-22 20:19:54,572 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4425 states and 8254 transitions. cyclomatic complexity: 3830. 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 7259 states and 13543 transitions. Complement of second has 8 states. [2021-12-22 20:19:54,573 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 [2021-12-22 20:19:54,574 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) [2021-12-22 20:19:54,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7041 transitions. [2021-12-22 20:19:54,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7041 transitions. Stem has 31 letters. Loop has 26 letters. [2021-12-22 20:19:54,583 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:19:54,583 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7041 transitions. Stem has 57 letters. Loop has 26 letters. [2021-12-22 20:19:54,583 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:19:54,583 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7041 transitions. Stem has 31 letters. Loop has 52 letters. [2021-12-22 20:19:54,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:19:54,584 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7259 states and 13543 transitions. [2021-12-22 20:19:54,613 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-22 20:19:54,613 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7259 states to 0 states and 0 transitions. [2021-12-22 20:19:54,613 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-22 20:19:54,613 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-22 20:19:54,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-22 20:19:54,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 20:19:54,614 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:19:54,614 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:19:54,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 20:19:54,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 20:19:54,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 20:19:54,615 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) [2021-12-22 20:19:54,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 20:19:54,615 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-12-22 20:19:54,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-22 20:19:54,615 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-12-22 20:19:54,616 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-22 20:19:54,616 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-12-22 20:19:54,616 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-22 20:19:54,616 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-22 20:19:54,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-22 20:19:54,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 20:19:54,616 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:19:54,616 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:19:54,616 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:19:54,616 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-22 20:19:54,617 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-22 20:19:54,617 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-22 20:19:54,617 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-22 20:19:54,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.12 08:19:54 BoogieIcfgContainer [2021-12-22 20:19:54,622 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-22 20:19:54,622 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 20:19:54,622 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 20:19:54,623 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 20:19:54,623 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:19:48" (3/4) ... [2021-12-22 20:19:54,625 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-22 20:19:54,625 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 20:19:54,625 INFO L158 Benchmark]: Toolchain (without parser) took 11949.13ms. Allocated memory was 104.9MB in the beginning and 973.1MB in the end (delta: 868.2MB). Free memory was 81.0MB in the beginning and 677.7MB in the end (delta: -596.7MB). Peak memory consumption was 272.6MB. Max. memory is 16.1GB. [2021-12-22 20:19:54,626 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:19:54,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 514.72ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 80.7MB in the beginning and 83.4MB in the end (delta: -2.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-22 20:19:54,626 INFO L158 Benchmark]: Boogie Procedure Inliner took 197.81ms. Allocated memory is still 134.2MB. Free memory was 83.4MB in the beginning and 75.7MB in the end (delta: 7.6MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2021-12-22 20:19:54,627 INFO L158 Benchmark]: Boogie Preprocessor took 308.55ms. Allocated memory is still 134.2MB. Free memory was 75.7MB in the beginning and 60.0MB in the end (delta: 15.8MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2021-12-22 20:19:54,627 INFO L158 Benchmark]: RCFGBuilder took 4923.02ms. Allocated memory was 134.2MB in the beginning and 486.5MB in the end (delta: 352.3MB). Free memory was 60.0MB in the beginning and 211.8MB in the end (delta: -151.8MB). Peak memory consumption was 202.3MB. Max. memory is 16.1GB. [2021-12-22 20:19:54,628 INFO L158 Benchmark]: BuchiAutomizer took 5997.63ms. Allocated memory was 486.5MB in the beginning and 973.1MB in the end (delta: 486.5MB). Free memory was 211.8MB in the beginning and 678.7MB in the end (delta: -467.0MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2021-12-22 20:19:54,628 INFO L158 Benchmark]: Witness Printer took 2.65ms. Allocated memory is still 973.1MB. Free memory was 678.7MB in the beginning and 677.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 20:19:54,630 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 514.72ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 80.7MB in the beginning and 83.4MB in the end (delta: -2.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 197.81ms. Allocated memory is still 134.2MB. Free memory was 83.4MB in the beginning and 75.7MB in the end (delta: 7.6MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 308.55ms. Allocated memory is still 134.2MB. Free memory was 75.7MB in the beginning and 60.0MB in the end (delta: 15.8MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * RCFGBuilder took 4923.02ms. Allocated memory was 134.2MB in the beginning and 486.5MB in the end (delta: 352.3MB). Free memory was 60.0MB in the beginning and 211.8MB in the end (delta: -151.8MB). Peak memory consumption was 202.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 5997.63ms. Allocated memory was 486.5MB in the beginning and 973.1MB in the end (delta: 486.5MB). Free memory was 211.8MB in the beginning and 678.7MB in the end (delta: -467.0MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Witness Printer took 2.65ms. Allocated memory is still 973.1MB. Free memory was 678.7MB in the beginning and 677.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 5.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.3s. Büchi inclusion checks took 1.8s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 12016 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.3s Buchi closure took 0.0s. Biggest automaton had 4970 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 59040 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 59039 mSDsluCounter, 100546 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 69737 mSDsCounter, 284 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 267 IncrementalHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 284 mSolverCounterUnsat, 30809 mSDtfsCounter, 267 mSolverCounterSat, 0.2s 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: 165ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-22 20:19:54,654 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE