./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec2_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_58f7a779-90b2-449b-bf52-2d9e90dd3403/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_58f7a779-90b2-449b-bf52-2d9e90dd3403/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_58f7a779-90b2-449b-bf52-2d9e90dd3403/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_58f7a779-90b2-449b-bf52-2d9e90dd3403/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec2_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_58f7a779-90b2-449b-bf52-2d9e90dd3403/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_58f7a779-90b2-449b-bf52-2d9e90dd3403/bin/uautomizer --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 4f9d5ce79a86aa3de77bf95612132e54255cb9bf ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:58:19,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:19,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:19,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:19,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:19,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:19,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:19,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:19,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:19,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:19,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:19,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:19,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:19,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:19,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:19,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:19,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:19,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:19,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:19,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:19,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:19,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:19,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:19,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:19,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:19,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:19,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:19,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:19,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:19,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:19,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:19,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:19,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:19,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:19,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:19,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:19,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:19,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:19,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:19,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:19,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:19,340 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_58f7a779-90b2-449b-bf52-2d9e90dd3403/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:58:19,354 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:19,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:19,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:19,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:19,359 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:19,359 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:58:19,359 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:58:19,360 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:58:19,360 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:58:19,360 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:58:19,360 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:58:19,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:19,360 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:58:19,361 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:58:19,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:58:19,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:58:19,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:19,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:58:19,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:58:19,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:58:19,362 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:58:19,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:19,362 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:58:19,362 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:19,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:58:19,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:19,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:19,365 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:58:19,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:19,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:58:19,366 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:58:19,367 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:58:19,367 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_58f7a779-90b2-449b-bf52-2d9e90dd3403/bin/uautomizer 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 -> 4f9d5ce79a86aa3de77bf95612132e54255cb9bf [2019-10-22 08:58:19,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:19,417 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:19,420 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:19,422 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:19,422 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:19,423 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_58f7a779-90b2-449b-bf52-2d9e90dd3403/bin/uautomizer/../../sv-benchmarks/c/product-lines/elevator_spec2_product19.cil.c [2019-10-22 08:58:19,469 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58f7a779-90b2-449b-bf52-2d9e90dd3403/bin/uautomizer/data/ce4ab3409/fe4efd95ee7a44518b4299c5f748398d/FLAG2f52fa3e2 [2019-10-22 08:58:19,968 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:19,968 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_58f7a779-90b2-449b-bf52-2d9e90dd3403/sv-benchmarks/c/product-lines/elevator_spec2_product19.cil.c [2019-10-22 08:58:19,999 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58f7a779-90b2-449b-bf52-2d9e90dd3403/bin/uautomizer/data/ce4ab3409/fe4efd95ee7a44518b4299c5f748398d/FLAG2f52fa3e2 [2019-10-22 08:58:20,448 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_58f7a779-90b2-449b-bf52-2d9e90dd3403/bin/uautomizer/data/ce4ab3409/fe4efd95ee7a44518b4299c5f748398d [2019-10-22 08:58:20,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:20,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:20,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:20,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:20,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:20,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:20" (1/1) ... [2019-10-22 08:58:20,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7189f5db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:20, skipping insertion in model container [2019-10-22 08:58:20,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:20" (1/1) ... [2019-10-22 08:58:20,468 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:20,551 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:21,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:21,133 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:21,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:21,311 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:21,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:21 WrapperNode [2019-10-22 08:58:21,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:21,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:21,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:21,317 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:21,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:21" (1/1) ... [2019-10-22 08:58:21,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:21" (1/1) ... [2019-10-22 08:58:21,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:21,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:21,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:21,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:21,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:21" (1/1) ... [2019-10-22 08:58:21,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:21" (1/1) ... [2019-10-22 08:58:21,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:21" (1/1) ... [2019-10-22 08:58:21,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:21" (1/1) ... [2019-10-22 08:58:21,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:21" (1/1) ... [2019-10-22 08:58:21,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:21" (1/1) ... [2019-10-22 08:58:21,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:21" (1/1) ... [2019-10-22 08:58:21,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:21,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:21,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:21,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:21,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58f7a779-90b2-449b-bf52-2d9e90dd3403/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:58:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:58:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:21,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:26,498 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:58:26,501 INFO L284 CfgBuilder]: Removed 613 assume(true) statements. [2019-10-22 08:58:26,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:26 BoogieIcfgContainer [2019-10-22 08:58:26,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:58:26,507 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:58:26,507 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:58:26,511 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:58:26,512 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:58:26,512 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:58:20" (1/3) ... [2019-10-22 08:58:26,514 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5321bb09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:58:26, skipping insertion in model container [2019-10-22 08:58:26,515 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:58:26,515 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:21" (2/3) ... [2019-10-22 08:58:26,515 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5321bb09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:58:26, skipping insertion in model container [2019-10-22 08:58:26,515 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:58:26,515 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:26" (3/3) ... [2019-10-22 08:58:26,517 INFO L371 chiAutomizerObserver]: Analyzing ICFG elevator_spec2_product19.cil.c [2019-10-22 08:58:26,583 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:58:26,583 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:58:26,583 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:58:26,584 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:58:26,584 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:58:26,584 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:58:26,584 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:58:26,584 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:58:26,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2491 states. [2019-10-22 08:58:26,759 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1235 [2019-10-22 08:58:26,759 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:58:26,759 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:58:26,777 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:26,777 INFO L850 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:26,777 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:58:26,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2491 states. [2019-10-22 08:58:26,802 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1235 [2019-10-22 08:58:26,802 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:58:26,803 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:58:26,807 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:26,807 INFO L850 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:26,813 INFO L791 eck$LassoCheckResult]: Stem: 328#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~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;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(10);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string54.base, #t~string54.offset, 1);call write~init~int(95, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(93, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string56.base, #t~string56.offset, 1);call write~init~int(93, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string58.base, #t~string58.offset, 1);call write~init~int(97, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(116, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(32, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 4 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string60.base, #t~string60.offset, 1);call write~init~int(105, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(10);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string64.base, #t~string64.offset, 1);call write~init~int(112, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string66.base, #t~string66.offset, 1);call write~init~int(111, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(119, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string68.base, #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(76, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(95, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(112, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string70.base, #t~string70.offset, 1);call write~init~int(37, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(105, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string72.base, #t~string72.offset, 1);call write~init~int(37, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(105, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 3 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string74.base, #t~string74.offset, 1);call write~init~int(37, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(105, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string76.base, #t~string76.offset, 1);call write~init~int(37, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(105, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 3 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string78.base, #t~string78.offset, 1);call write~init~int(37, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(105, #t~string78.base, 2 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 3 + #t~string78.offset, 1);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string80.base, #t~string80.offset, 1);call write~init~int(70, #t~string80.base, 1 + #t~string80.offset, 1);call write~init~int(95, #t~string80.base, 2 + #t~string80.offset, 1);call write~init~int(112, #t~string80.base, 3 + #t~string80.offset, 1);call write~init~int(58, #t~string80.base, 4 + #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 5 + #t~string80.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string83.base, #t~string83.offset, 1);call write~init~int(37, #t~string83.base, 1 + #t~string83.offset, 1);call write~init~int(105, #t~string83.base, 2 + #t~string83.offset, 1);call write~init~int(0, #t~string83.base, 3 + #t~string83.offset, 1);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string86.base, #t~string86.offset, 1);call write~init~int(37, #t~string86.base, 1 + #t~string86.offset, 1);call write~init~int(105, #t~string86.base, 2 + #t~string86.offset, 1);call write~init~int(0, #t~string86.base, 3 + #t~string86.offset, 1);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string89.base, #t~string89.offset, 1);call write~init~int(37, #t~string89.base, 1 + #t~string89.offset, 1);call write~init~int(105, #t~string89.base, 2 + #t~string89.offset, 1);call write~init~int(0, #t~string89.base, 3 + #t~string89.offset, 1);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string92.base, #t~string92.offset, 1);call write~init~int(37, #t~string92.base, 1 + #t~string92.offset, 1);call write~init~int(105, #t~string92.base, 2 + #t~string92.offset, 1);call write~init~int(0, #t~string92.base, 3 + #t~string92.offset, 1);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string95.base, #t~string95.offset, 1);call write~init~int(37, #t~string95.base, 1 + #t~string95.offset, 1);call write~init~int(105, #t~string95.base, 2 + #t~string95.offset, 1);call write~init~int(0, #t~string95.base, 3 + #t~string95.offset, 1);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string97.base, #t~string97.offset, 1);call write~init~int(0, #t~string97.base, 1 + #t~string97.offset, 1);~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;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0;~cleanupTimeShifts~0 := 12;~head~0.base, ~head~0.offset := 0, 0;call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(30);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(9);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(21);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(30);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(9);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(21);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(30);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(9);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(25);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(30);call #t~string157.base, #t~string157.offset := #Ultimate.allocOnStack(9);call #t~string158.base, #t~string158.offset := #Ultimate.allocOnStack(25); 1396#L-1true havoc main_#res;havoc main_#t~ret125, main_~retValue_acc~24, main_~tmp~23;havoc main_~retValue_acc~24;havoc main_~tmp~23; 1937#L3405true havoc valid_product_#res;havoc valid_product_~retValue_acc~29;havoc valid_product_~retValue_acc~29;valid_product_~retValue_acc~29 := 1;valid_product_#res := valid_product_~retValue_acc~29; 349#L3413true main_#t~ret125 := valid_product_#res;main_~tmp~23 := main_#t~ret125;havoc main_#t~ret125; 2432#L3003true assume 0 != main_~tmp~23; 219#L2975true ~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 1542#L2286true havoc bigMacCall_#t~ret118, bigMacCall_~tmp~20;havoc bigMacCall_~tmp~20;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~21;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~21; 1076#L2497true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~21 := 4;getOrigin_#res := getOrigin_~retValue_acc~21; 1901#L2522true bigMacCall_#t~ret118 := getOrigin_#res;bigMacCall_~tmp~20 := bigMacCall_#t~ret118;havoc bigMacCall_#t~ret118;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~20;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 1839#L1950true assume 0 == initPersonOnFloor_~floor; 1988#L1951true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 1028#L2058-1true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 180#L1742true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 689#L1754-2true havoc cleanup_#t~ret119, cleanup_#t~ret120, cleanup_~i~3, cleanup_~tmp~21, cleanup_~tmp___0~11, cleanup_~__cil_tmp4~0;havoc cleanup_~i~3;havoc cleanup_~tmp~21;havoc cleanup_~tmp___0~11;havoc cleanup_~__cil_tmp4~0;havoc timeShift_#t~ret41, timeShift_#t~ret42, timeShift_#t~ret43, timeShift_#t~ret44, timeShift_#t~ret45, timeShift_#t~ret46, timeShift_#t~ret47, timeShift_#t~ret48, timeShift_#t~ret49, timeShift_#t~ret50, timeShift_#t~ret51, timeShift_~tmp~10, timeShift_~tmp___0~6, timeShift_~tmp___1~3, timeShift_~tmp___2~3, timeShift_~tmp___3~3, timeShift_~tmp___4~2, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~10;havoc timeShift_~tmp___0~6;havoc timeShift_~tmp___1~3;havoc timeShift_~tmp___2~3;havoc timeShift_~tmp___3~3;havoc timeShift_~tmp___4~2;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret25, stopRequestedAtCurrentFloor_#t~ret26, stopRequestedAtCurrentFloor_#t~ret27, stopRequestedAtCurrentFloor_#t~ret28, stopRequestedAtCurrentFloor_~retValue_acc~12, stopRequestedAtCurrentFloor_~tmp~8, stopRequestedAtCurrentFloor_~tmp___0~4;havoc stopRequestedAtCurrentFloor_~retValue_acc~12;havoc stopRequestedAtCurrentFloor_~tmp~8;havoc stopRequestedAtCurrentFloor_~tmp___0~4;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret99, isExecutiveFloorCalling_~retValue_acc~15;havoc isExecutiveFloorCalling_~retValue_acc~15;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~17;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~17; 1270#L1679true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~17 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~17; 1024#L1706true isExecutiveFloorCalling_#t~ret99 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~15 := isExecutiveFloorCalling_#t~ret99;havoc isExecutiveFloorCalling_#t~ret99;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~15; 908#L1573true stopRequestedAtCurrentFloor_#t~ret25 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~8 := stopRequestedAtCurrentFloor_#t~ret25;havoc stopRequestedAtCurrentFloor_#t~ret25; 1030#L957true assume 0 != stopRequestedAtCurrentFloor_~tmp~8;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~1;havoc getCurrentFloorID_~retValue_acc~1;getCurrentFloorID_~retValue_acc~1 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~1; 103#L288true stopRequestedAtCurrentFloor_#t~ret26 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~4 := stopRequestedAtCurrentFloor_#t~ret26;havoc stopRequestedAtCurrentFloor_#t~ret26; 832#L961true assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~4);stopRequestedAtCurrentFloor_~retValue_acc~12 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~12; 1272#L974true timeShift_#t~ret41 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret41;havoc timeShift_#t~ret41; 2105#L1110true assume !(0 != timeShift_~tmp___9~2); 1879#L1201true assume !(1 == ~doorState~0); 1885#L1201-2true stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret19, stopRequestedInDirection_#t~ret20, stopRequestedInDirection_#t~ret21, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~9, stopRequestedInDirection_~tmp~5, stopRequestedInDirection_~tmp___0~2, stopRequestedInDirection_~__cil_tmp7~0, stopRequestedInDirection_~__cil_tmp8~0;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~9;havoc stopRequestedInDirection_~tmp~5;havoc stopRequestedInDirection_~tmp___0~2;havoc stopRequestedInDirection_~__cil_tmp7~0;havoc stopRequestedInDirection_~__cil_tmp8~0;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret99, isExecutiveFloorCalling_~retValue_acc~15;havoc isExecutiveFloorCalling_~retValue_acc~15;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~17;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~17; 1256#L1679-3true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~17 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~17; 1002#L1706-3true isExecutiveFloorCalling_#t~ret99 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~15 := isExecutiveFloorCalling_#t~ret99;havoc isExecutiveFloorCalling_#t~ret99;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~15; 889#L1573-1true stopRequestedInDirection_#t~ret19 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~2 := stopRequestedInDirection_#t~ret19;havoc stopRequestedInDirection_#t~ret19; 1216#L840true assume 0 != stopRequestedInDirection_~tmp___0~2;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~1;havoc getCurrentFloorID_~retValue_acc~1;getCurrentFloorID_~retValue_acc~1 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~1; 100#L288-1true stopRequestedInDirection_#t~ret20 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~5 := stopRequestedInDirection_#t~ret20;havoc stopRequestedInDirection_#t~ret20;stopRequestedInDirection_~__cil_tmp7~0 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~0 := (if stopRequestedInDirection_~tmp~5 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~9 := (if stopRequestedInDirection_~__cil_tmp8~0 == stopRequestedInDirection_~__cil_tmp7~0 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~9; 1799#L853true timeShift_#t~ret48 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret48;havoc timeShift_#t~ret48; 285#L1209true assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret22, continueInDirection_~dir, continueInDirection_~tmp~6;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~6;~currentHeading~0 := continueInDirection_~dir; 1797#L897true assume !(1 == ~currentHeading~0); 20#L907true assume !(0 == ~currentFloorID~0); 8#L907-2true assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 1019#L913-5true havoc __utac_acc__Specification2_spec__3_#t~ret100, __utac_acc__Specification2_spec__3_#t~ret101, __utac_acc__Specification2_spec__3_#t~ret102, __utac_acc__Specification2_spec__3_#t~ret103, __utac_acc__Specification2_spec__3_#t~ret104, __utac_acc__Specification2_spec__3_#t~ret105, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~12, __utac_acc__Specification2_spec__3_~tmp___0~8, __utac_acc__Specification2_spec__3_~tmp___1~5, __utac_acc__Specification2_spec__3_~tmp___2~5, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~12;havoc __utac_acc__Specification2_spec__3_~tmp___0~8;havoc __utac_acc__Specification2_spec__3_~tmp___1~5;havoc __utac_acc__Specification2_spec__3_~tmp___2~5;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~1;havoc getCurrentFloorID_~retValue_acc~1;getCurrentFloorID_~retValue_acc~1 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~1; 216#L288-3true __utac_acc__Specification2_spec__3_#t~ret100 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~12 := __utac_acc__Specification2_spec__3_#t~ret100;havoc __utac_acc__Specification2_spec__3_#t~ret100;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~12; 1626#L2331true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 1455#L2332true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~2;havoc areDoorsOpen_~retValue_acc~2;areDoorsOpen_~retValue_acc~2 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~2; 971#L297true __utac_acc__Specification2_spec__3_#t~ret101 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret101;havoc __utac_acc__Specification2_spec__3_#t~ret101; 1291#L2336true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 1816#L2391true cleanup_~i~3 := 0; 1023#L2807-2true [2019-10-22 08:58:26,814 INFO L793 eck$LassoCheckResult]: Loop: 1023#L2807-2true assume !false; 949#L2808true cleanup_~__cil_tmp4~0 := ~cleanupTimeShifts~0 - 1; 701#L2811true assume cleanup_~i~3 < cleanup_~__cil_tmp4~0;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~0;havoc isBlocked_~retValue_acc~0;isBlocked_~retValue_acc~0 := 0;isBlocked_#res := isBlocked_~retValue_acc~0; 1452#L130true cleanup_#t~ret119 := isBlocked_#res;cleanup_~tmp___0~11 := cleanup_#t~ret119;havoc cleanup_#t~ret119; 1528#L2815true assume 1 != cleanup_~tmp___0~11; 1640#L2815-1true havoc isIdle_#res;havoc isIdle_#t~ret7, isIdle_~retValue_acc~7, isIdle_~tmp~3;havoc isIdle_~retValue_acc~7;havoc isIdle_~tmp~3;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret2, anyStopRequested_#t~ret3, anyStopRequested_#t~ret4, anyStopRequested_#t~ret5, anyStopRequested_#t~ret6, anyStopRequested_~retValue_acc~6, anyStopRequested_~tmp~2, anyStopRequested_~tmp___0~0, anyStopRequested_~tmp___1~0, anyStopRequested_~tmp___2~0, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~6;havoc anyStopRequested_~tmp~2;havoc anyStopRequested_~tmp___0~0;havoc anyStopRequested_~tmp___1~0;havoc anyStopRequested_~tmp___2~0;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~17;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~17; 2355#L1679-25true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~17 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~17; 958#L1706-25true anyStopRequested_#t~ret2 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret2;havoc anyStopRequested_#t~ret2; 1500#L396true assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~6 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~6; 570#L460true isIdle_#t~ret7 := anyStopRequested_#res;isIdle_~tmp~3 := isIdle_#t~ret7;havoc isIdle_#t~ret7;isIdle_~retValue_acc~7 := (if 0 == isIdle_~tmp~3 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~7; 984#L473true cleanup_#t~ret120 := isIdle_#res;cleanup_~tmp~21 := cleanup_#t~ret120;havoc cleanup_#t~ret120; 2419#L2827true assume !(0 != cleanup_~tmp~21);havoc timeShift_#t~ret41, timeShift_#t~ret42, timeShift_#t~ret43, timeShift_#t~ret44, timeShift_#t~ret45, timeShift_#t~ret46, timeShift_#t~ret47, timeShift_#t~ret48, timeShift_#t~ret49, timeShift_#t~ret50, timeShift_#t~ret51, timeShift_~tmp~10, timeShift_~tmp___0~6, timeShift_~tmp___1~3, timeShift_~tmp___2~3, timeShift_~tmp___3~3, timeShift_~tmp___4~2, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~10;havoc timeShift_~tmp___0~6;havoc timeShift_~tmp___1~3;havoc timeShift_~tmp___2~3;havoc timeShift_~tmp___3~3;havoc timeShift_~tmp___4~2;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret25, stopRequestedAtCurrentFloor_#t~ret26, stopRequestedAtCurrentFloor_#t~ret27, stopRequestedAtCurrentFloor_#t~ret28, stopRequestedAtCurrentFloor_~retValue_acc~12, stopRequestedAtCurrentFloor_~tmp~8, stopRequestedAtCurrentFloor_~tmp___0~4;havoc stopRequestedAtCurrentFloor_~retValue_acc~12;havoc stopRequestedAtCurrentFloor_~tmp~8;havoc stopRequestedAtCurrentFloor_~tmp___0~4;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret99, isExecutiveFloorCalling_~retValue_acc~15;havoc isExecutiveFloorCalling_~retValue_acc~15;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~17;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~17; 2328#L1679-30true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~17 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~17; 951#L1706-30true isExecutiveFloorCalling_#t~ret99 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~15 := isExecutiveFloorCalling_#t~ret99;havoc isExecutiveFloorCalling_#t~ret99;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~15; 897#L1573-3true stopRequestedAtCurrentFloor_#t~ret25 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~8 := stopRequestedAtCurrentFloor_#t~ret25;havoc stopRequestedAtCurrentFloor_#t~ret25; 1031#L957-1true assume 0 != stopRequestedAtCurrentFloor_~tmp~8;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~1;havoc getCurrentFloorID_~retValue_acc~1;getCurrentFloorID_~retValue_acc~1 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~1; 212#L288-4true stopRequestedAtCurrentFloor_#t~ret26 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~4 := stopRequestedAtCurrentFloor_#t~ret26;havoc stopRequestedAtCurrentFloor_#t~ret26; 834#L961-1true assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~4);stopRequestedAtCurrentFloor_~retValue_acc~12 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~12; 1273#L974-1true timeShift_#t~ret41 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret41;havoc timeShift_#t~ret41; 2107#L1110-1true assume !(0 != timeShift_~tmp___9~2); 1861#L1201-3true assume 1 == ~doorState~0;~doorState~0 := 0; 1868#L1201-5true stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret19, stopRequestedInDirection_#t~ret20, stopRequestedInDirection_#t~ret21, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~9, stopRequestedInDirection_~tmp~5, stopRequestedInDirection_~tmp___0~2, stopRequestedInDirection_~__cil_tmp7~0, stopRequestedInDirection_~__cil_tmp8~0;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~9;havoc stopRequestedInDirection_~tmp~5;havoc stopRequestedInDirection_~tmp___0~2;havoc stopRequestedInDirection_~__cil_tmp7~0;havoc stopRequestedInDirection_~__cil_tmp8~0;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret99, isExecutiveFloorCalling_~retValue_acc~15;havoc isExecutiveFloorCalling_~retValue_acc~15;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~17;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~17; 2295#L1679-33true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~17 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~17; 817#L1706-33true isExecutiveFloorCalling_#t~ret99 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~15 := isExecutiveFloorCalling_#t~ret99;havoc isExecutiveFloorCalling_#t~ret99;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~15; 898#L1573-4true stopRequestedInDirection_#t~ret19 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~2 := stopRequestedInDirection_#t~ret19;havoc stopRequestedInDirection_#t~ret19; 1223#L840-2true assume 0 != stopRequestedInDirection_~tmp___0~2;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~1;havoc getCurrentFloorID_~retValue_acc~1;getCurrentFloorID_~retValue_acc~1 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~1; 210#L288-5true stopRequestedInDirection_#t~ret20 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~5 := stopRequestedInDirection_#t~ret20;havoc stopRequestedInDirection_#t~ret20;stopRequestedInDirection_~__cil_tmp7~0 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~0 := (if stopRequestedInDirection_~tmp~5 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~9 := (if stopRequestedInDirection_~__cil_tmp8~0 == stopRequestedInDirection_~__cil_tmp7~0 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~9; 1792#L853-2true timeShift_#t~ret48 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret48;havoc timeShift_#t~ret48; 289#L1209-1true assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret22, continueInDirection_~dir, continueInDirection_~tmp~6;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~6;~currentHeading~0 := continueInDirection_~dir; 1791#L897-3true assume !(1 == ~currentHeading~0); 4#L907-9true assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 5#L907-11true assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 1006#L913-11true havoc __utac_acc__Specification2_spec__3_#t~ret100, __utac_acc__Specification2_spec__3_#t~ret101, __utac_acc__Specification2_spec__3_#t~ret102, __utac_acc__Specification2_spec__3_#t~ret103, __utac_acc__Specification2_spec__3_#t~ret104, __utac_acc__Specification2_spec__3_#t~ret105, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~12, __utac_acc__Specification2_spec__3_~tmp___0~8, __utac_acc__Specification2_spec__3_~tmp___1~5, __utac_acc__Specification2_spec__3_~tmp___2~5, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~12;havoc __utac_acc__Specification2_spec__3_~tmp___0~8;havoc __utac_acc__Specification2_spec__3_~tmp___1~5;havoc __utac_acc__Specification2_spec__3_~tmp___2~5;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~1;havoc getCurrentFloorID_~retValue_acc~1;getCurrentFloorID_~retValue_acc~1 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~1; 228#L288-7true __utac_acc__Specification2_spec__3_#t~ret100 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~12 := __utac_acc__Specification2_spec__3_#t~ret100;havoc __utac_acc__Specification2_spec__3_#t~ret100;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~12; 1629#L2331-1true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 1453#L2332-1true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~2;havoc areDoorsOpen_~retValue_acc~2;areDoorsOpen_~retValue_acc~2 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~2; 981#L297-5true __utac_acc__Specification2_spec__3_#t~ret101 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret101;havoc __utac_acc__Specification2_spec__3_#t~ret101; 1388#L2336-2true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 1819#L2391-1true cleanup_~i~3 := 1 + cleanup_~i~3; 1023#L2807-2true [2019-10-22 08:58:26,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:26,830 INFO L82 PathProgramCache]: Analyzing trace with hash 264473694, now seen corresponding path program 1 times [2019-10-22 08:58:26,837 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:26,837 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132459560] [2019-10-22 08:58:26,838 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:26,838 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:26,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:27,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:27,128 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132459560] [2019-10-22 08:58:27,128 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:27,129 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:27,129 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758472442] [2019-10-22 08:58:27,133 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-10-22 08:58:27,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:27,133 INFO L82 PathProgramCache]: Analyzing trace with hash 398463279, now seen corresponding path program 1 times [2019-10-22 08:58:27,134 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:27,134 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871786411] [2019-10-22 08:58:27,134 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:27,134 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:27,134 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:27,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:27,232 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871786411] [2019-10-22 08:58:27,233 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:27,233 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 08:58:27,233 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586238401] [2019-10-22 08:58:27,234 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-10-22 08:58:27,237 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:27,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:58:27,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:58:27,255 INFO L87 Difference]: Start difference. First operand 2491 states. Second operand 7 states. [2019-10-22 08:58:31,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:31,544 INFO L93 Difference]: Finished difference Result 18947 states and 35436 transitions. [2019-10-22 08:58:31,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-22 08:58:31,546 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18947 states and 35436 transitions. [2019-10-22 08:58:31,694 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9100 [2019-10-22 08:58:31,831 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18947 states to 18807 states and 35280 transitions. [2019-10-22 08:58:31,835 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18807 [2019-10-22 08:58:31,861 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18807 [2019-10-22 08:58:31,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18807 states and 35280 transitions. [2019-10-22 08:58:31,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:58:31,898 INFO L688 BuchiCegarLoop]: Abstraction has 18807 states and 35280 transitions. [2019-10-22 08:58:31,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18807 states and 35280 transitions. [2019-10-22 08:58:32,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18807 to 7129. [2019-10-22 08:58:32,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7129 states. [2019-10-22 08:58:32,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7129 states to 7129 states and 13391 transitions. [2019-10-22 08:58:32,161 INFO L711 BuchiCegarLoop]: Abstraction has 7129 states and 13391 transitions. [2019-10-22 08:58:32,161 INFO L591 BuchiCegarLoop]: Abstraction has 7129 states and 13391 transitions. [2019-10-22 08:58:32,161 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:58:32,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7129 states and 13391 transitions. [2019-10-22 08:58:32,197 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3617 [2019-10-22 08:58:32,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:58:32,198 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:58:32,200 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:32,201 INFO L850 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:32,201 INFO L791 eck$LassoCheckResult]: Stem: 22078#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~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;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(10);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string54.base, #t~string54.offset, 1);call write~init~int(95, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(93, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string56.base, #t~string56.offset, 1);call write~init~int(93, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string58.base, #t~string58.offset, 1);call write~init~int(97, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(116, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(32, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 4 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string60.base, #t~string60.offset, 1);call write~init~int(105, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(10);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string64.base, #t~string64.offset, 1);call write~init~int(112, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string66.base, #t~string66.offset, 1);call write~init~int(111, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(119, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string68.base, #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(76, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(95, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(112, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string70.base, #t~string70.offset, 1);call write~init~int(37, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(105, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string72.base, #t~string72.offset, 1);call write~init~int(37, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(105, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 3 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string74.base, #t~string74.offset, 1);call write~init~int(37, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(105, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string76.base, #t~string76.offset, 1);call write~init~int(37, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(105, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 3 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string78.base, #t~string78.offset, 1);call write~init~int(37, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(105, #t~string78.base, 2 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 3 + #t~string78.offset, 1);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string80.base, #t~string80.offset, 1);call write~init~int(70, #t~string80.base, 1 + #t~string80.offset, 1);call write~init~int(95, #t~string80.base, 2 + #t~string80.offset, 1);call write~init~int(112, #t~string80.base, 3 + #t~string80.offset, 1);call write~init~int(58, #t~string80.base, 4 + #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 5 + #t~string80.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string83.base, #t~string83.offset, 1);call write~init~int(37, #t~string83.base, 1 + #t~string83.offset, 1);call write~init~int(105, #t~string83.base, 2 + #t~string83.offset, 1);call write~init~int(0, #t~string83.base, 3 + #t~string83.offset, 1);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string86.base, #t~string86.offset, 1);call write~init~int(37, #t~string86.base, 1 + #t~string86.offset, 1);call write~init~int(105, #t~string86.base, 2 + #t~string86.offset, 1);call write~init~int(0, #t~string86.base, 3 + #t~string86.offset, 1);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string89.base, #t~string89.offset, 1);call write~init~int(37, #t~string89.base, 1 + #t~string89.offset, 1);call write~init~int(105, #t~string89.base, 2 + #t~string89.offset, 1);call write~init~int(0, #t~string89.base, 3 + #t~string89.offset, 1);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string92.base, #t~string92.offset, 1);call write~init~int(37, #t~string92.base, 1 + #t~string92.offset, 1);call write~init~int(105, #t~string92.base, 2 + #t~string92.offset, 1);call write~init~int(0, #t~string92.base, 3 + #t~string92.offset, 1);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string95.base, #t~string95.offset, 1);call write~init~int(37, #t~string95.base, 1 + #t~string95.offset, 1);call write~init~int(105, #t~string95.base, 2 + #t~string95.offset, 1);call write~init~int(0, #t~string95.base, 3 + #t~string95.offset, 1);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string97.base, #t~string97.offset, 1);call write~init~int(0, #t~string97.base, 1 + #t~string97.offset, 1);~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;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0;~cleanupTimeShifts~0 := 12;~head~0.base, ~head~0.offset := 0, 0;call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(30);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(9);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(21);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(30);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(9);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(21);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(30);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(9);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(25);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(30);call #t~string157.base, #t~string157.offset := #Ultimate.allocOnStack(9);call #t~string158.base, #t~string158.offset := #Ultimate.allocOnStack(25); 22079#L-1 havoc main_#res;havoc main_#t~ret125, main_~retValue_acc~24, main_~tmp~23;havoc main_~retValue_acc~24;havoc main_~tmp~23; 23444#L3405 havoc valid_product_#res;havoc valid_product_~retValue_acc~29;havoc valid_product_~retValue_acc~29;valid_product_~retValue_acc~29 := 1;valid_product_#res := valid_product_~retValue_acc~29; 22112#L3413 main_#t~ret125 := valid_product_#res;main_~tmp~23 := main_#t~ret125;havoc main_#t~ret125; 22113#L3003 assume 0 != main_~tmp~23; 21920#L2975 ~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 21921#L2286 havoc bigMacCall_#t~ret118, bigMacCall_~tmp~20;havoc bigMacCall_~tmp~20;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~21;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~21; 23030#L2497 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~21 := 4;getOrigin_#res := getOrigin_~retValue_acc~21; 22601#L2522 bigMacCall_#t~ret118 := getOrigin_#res;bigMacCall_~tmp~20 := bigMacCall_#t~ret118;havoc bigMacCall_#t~ret118;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~20;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 23753#L1950 assume 0 == initPersonOnFloor_~floor; 23754#L1951 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 21511#L2058-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 21859#L1742 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 21684#L1754-2 havoc cleanup_#t~ret119, cleanup_#t~ret120, cleanup_~i~3, cleanup_~tmp~21, cleanup_~tmp___0~11, cleanup_~__cil_tmp4~0;havoc cleanup_~i~3;havoc cleanup_~tmp~21;havoc cleanup_~tmp___0~11;havoc cleanup_~__cil_tmp4~0;havoc timeShift_#t~ret41, timeShift_#t~ret42, timeShift_#t~ret43, timeShift_#t~ret44, timeShift_#t~ret45, timeShift_#t~ret46, timeShift_#t~ret47, timeShift_#t~ret48, timeShift_#t~ret49, timeShift_#t~ret50, timeShift_#t~ret51, timeShift_~tmp~10, timeShift_~tmp___0~6, timeShift_~tmp___1~3, timeShift_~tmp___2~3, timeShift_~tmp___3~3, timeShift_~tmp___4~2, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~10;havoc timeShift_~tmp___0~6;havoc timeShift_~tmp___1~3;havoc timeShift_~tmp___2~3;havoc timeShift_~tmp___3~3;havoc timeShift_~tmp___4~2;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret25, stopRequestedAtCurrentFloor_#t~ret26, stopRequestedAtCurrentFloor_#t~ret27, stopRequestedAtCurrentFloor_#t~ret28, stopRequestedAtCurrentFloor_~retValue_acc~12, stopRequestedAtCurrentFloor_~tmp~8, stopRequestedAtCurrentFloor_~tmp___0~4;havoc stopRequestedAtCurrentFloor_~retValue_acc~12;havoc stopRequestedAtCurrentFloor_~tmp~8;havoc stopRequestedAtCurrentFloor_~tmp___0~4;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret99, isExecutiveFloorCalling_~retValue_acc~15;havoc isExecutiveFloorCalling_~retValue_acc~15;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~17;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~17; 22567#L1679 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~17 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~17; 23266#L1706 isExecutiveFloorCalling_#t~ret99 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~15 := isExecutiveFloorCalling_#t~ret99;havoc isExecutiveFloorCalling_#t~ret99;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~15; 24211#L1573 stopRequestedAtCurrentFloor_#t~ret25 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~8 := stopRequestedAtCurrentFloor_#t~ret25;havoc stopRequestedAtCurrentFloor_#t~ret25; 23011#L957 assume 0 != stopRequestedAtCurrentFloor_~tmp~8;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~1;havoc getCurrentFloorID_~retValue_acc~1;getCurrentFloorID_~retValue_acc~1 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~1; 21726#L288 stopRequestedAtCurrentFloor_#t~ret26 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~4 := stopRequestedAtCurrentFloor_#t~ret26;havoc stopRequestedAtCurrentFloor_#t~ret26; 21727#L961 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~4);stopRequestedAtCurrentFloor_~retValue_acc~12 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~12; 22777#L974 timeShift_#t~ret41 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret41;havoc timeShift_#t~ret41; 27018#L1110 assume !(0 != timeShift_~tmp___9~2); 27019#L1201 assume !(1 == ~doorState~0); 28463#L1201-2 stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret19, stopRequestedInDirection_#t~ret20, stopRequestedInDirection_#t~ret21, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~9, stopRequestedInDirection_~tmp~5, stopRequestedInDirection_~tmp___0~2, stopRequestedInDirection_~__cil_tmp7~0, stopRequestedInDirection_~__cil_tmp8~0;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~9;havoc stopRequestedInDirection_~tmp~5;havoc stopRequestedInDirection_~tmp___0~2;havoc stopRequestedInDirection_~__cil_tmp7~0;havoc stopRequestedInDirection_~__cil_tmp8~0;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret99, isExecutiveFloorCalling_~retValue_acc~15;havoc isExecutiveFloorCalling_~retValue_acc~15;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~17;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~17; 28462#L1679-3 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~17 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~17; 28461#L1706-3 isExecutiveFloorCalling_#t~ret99 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~15 := isExecutiveFloorCalling_#t~ret99;havoc isExecutiveFloorCalling_#t~ret99;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~15; 28460#L1573-1 stopRequestedInDirection_#t~ret19 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~2 := stopRequestedInDirection_#t~ret19;havoc stopRequestedInDirection_#t~ret19; 28458#L840 assume 0 != stopRequestedInDirection_~tmp___0~2;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~1;havoc getCurrentFloorID_~retValue_acc~1;getCurrentFloorID_~retValue_acc~1 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~1; 28459#L288-1 stopRequestedInDirection_#t~ret20 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~5 := stopRequestedInDirection_#t~ret20;havoc stopRequestedInDirection_#t~ret20;stopRequestedInDirection_~__cil_tmp7~0 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~0 := (if stopRequestedInDirection_~tmp~5 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~9 := (if stopRequestedInDirection_~__cil_tmp8~0 == stopRequestedInDirection_~__cil_tmp7~0 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~9; 28467#L853 timeShift_#t~ret48 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret48;havoc timeShift_#t~ret48; 28465#L1209 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret22, continueInDirection_~dir, continueInDirection_~tmp~6;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~6;~currentHeading~0 := continueInDirection_~dir; 28464#L897 assume !(1 == ~currentHeading~0); 21519#L907 assume !(0 == ~currentFloorID~0); 21491#L907-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 21482#L913-5 havoc __utac_acc__Specification2_spec__3_#t~ret100, __utac_acc__Specification2_spec__3_#t~ret101, __utac_acc__Specification2_spec__3_#t~ret102, __utac_acc__Specification2_spec__3_#t~ret103, __utac_acc__Specification2_spec__3_#t~ret104, __utac_acc__Specification2_spec__3_#t~ret105, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~12, __utac_acc__Specification2_spec__3_~tmp___0~8, __utac_acc__Specification2_spec__3_~tmp___1~5, __utac_acc__Specification2_spec__3_~tmp___2~5, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~12;havoc __utac_acc__Specification2_spec__3_~tmp___0~8;havoc __utac_acc__Specification2_spec__3_~tmp___1~5;havoc __utac_acc__Specification2_spec__3_~tmp___2~5;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~1;havoc getCurrentFloorID_~retValue_acc~1;getCurrentFloorID_~retValue_acc~1 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~1; 21913#L288-3 __utac_acc__Specification2_spec__3_#t~ret100 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~12 := __utac_acc__Specification2_spec__3_#t~ret100;havoc __utac_acc__Specification2_spec__3_#t~ret100;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~12; 21914#L2331 assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 23483#L2332 assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~2;havoc areDoorsOpen_~retValue_acc~2;areDoorsOpen_~retValue_acc~2 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~2; 22952#L297 __utac_acc__Specification2_spec__3_#t~ret101 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret101;havoc __utac_acc__Specification2_spec__3_#t~ret101; 22953#L2336 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 22277#L2391 cleanup_~i~3 := 0; 23008#L2807-2 [2019-10-22 08:58:32,201 INFO L793 eck$LassoCheckResult]: Loop: 23008#L2807-2 assume !false; 22931#L2808 cleanup_~__cil_tmp4~0 := ~cleanupTimeShifts~0 - 1; 22589#L2811 assume cleanup_~i~3 < cleanup_~__cil_tmp4~0;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~0;havoc isBlocked_~retValue_acc~0;isBlocked_~retValue_acc~0 := 0;isBlocked_#res := isBlocked_~retValue_acc~0; 22590#L130 cleanup_#t~ret119 := isBlocked_#res;cleanup_~tmp___0~11 := cleanup_#t~ret119;havoc cleanup_#t~ret119; 23479#L2815 assume 1 != cleanup_~tmp___0~11; 23544#L2815-1 havoc isIdle_#res;havoc isIdle_#t~ret7, isIdle_~retValue_acc~7, isIdle_~tmp~3;havoc isIdle_~retValue_acc~7;havoc isIdle_~tmp~3;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret2, anyStopRequested_#t~ret3, anyStopRequested_#t~ret4, anyStopRequested_#t~ret5, anyStopRequested_#t~ret6, anyStopRequested_~retValue_acc~6, anyStopRequested_~tmp~2, anyStopRequested_~tmp___0~0, anyStopRequested_~tmp___1~0, anyStopRequested_~tmp___2~0, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~6;havoc anyStopRequested_~tmp~2;havoc anyStopRequested_~tmp___0~0;havoc anyStopRequested_~tmp___1~0;havoc anyStopRequested_~tmp___2~0;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~17;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~17; 23581#L1679-25 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~17 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~17; 22937#L1706-25 anyStopRequested_#t~ret2 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret2;havoc anyStopRequested_#t~ret2; 22938#L396 assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~6 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~6; 21587#L460 isIdle_#t~ret7 := anyStopRequested_#res;isIdle_~tmp~3 := isIdle_#t~ret7;havoc isIdle_#t~ret7;isIdle_~retValue_acc~7 := (if 0 == isIdle_~tmp~3 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~7; 22393#L473 cleanup_#t~ret120 := isIdle_#res;cleanup_~tmp~21 := cleanup_#t~ret120;havoc cleanup_#t~ret120; 22967#L2827 assume !(0 != cleanup_~tmp~21);havoc timeShift_#t~ret41, timeShift_#t~ret42, timeShift_#t~ret43, timeShift_#t~ret44, timeShift_#t~ret45, timeShift_#t~ret46, timeShift_#t~ret47, timeShift_#t~ret48, timeShift_#t~ret49, timeShift_#t~ret50, timeShift_#t~ret51, timeShift_~tmp~10, timeShift_~tmp___0~6, timeShift_~tmp___1~3, timeShift_~tmp___2~3, timeShift_~tmp___3~3, timeShift_~tmp___4~2, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~10;havoc timeShift_~tmp___0~6;havoc timeShift_~tmp___1~3;havoc timeShift_~tmp___2~3;havoc timeShift_~tmp___3~3;havoc timeShift_~tmp___4~2;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret25, stopRequestedAtCurrentFloor_#t~ret26, stopRequestedAtCurrentFloor_#t~ret27, stopRequestedAtCurrentFloor_#t~ret28, stopRequestedAtCurrentFloor_~retValue_acc~12, stopRequestedAtCurrentFloor_~tmp~8, stopRequestedAtCurrentFloor_~tmp___0~4;havoc stopRequestedAtCurrentFloor_~retValue_acc~12;havoc stopRequestedAtCurrentFloor_~tmp~8;havoc stopRequestedAtCurrentFloor_~tmp___0~4;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret99, isExecutiveFloorCalling_~retValue_acc~15;havoc isExecutiveFloorCalling_~retValue_acc~15;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~17;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~17; 24090#L1679-30 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~17 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~17; 24113#L1706-30 isExecutiveFloorCalling_#t~ret99 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~15 := isExecutiveFloorCalling_#t~ret99;havoc isExecutiveFloorCalling_#t~ret99;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~15; 24189#L1573-3 stopRequestedAtCurrentFloor_#t~ret25 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~8 := stopRequestedAtCurrentFloor_#t~ret25;havoc stopRequestedAtCurrentFloor_#t~ret25; 24143#L957-1 assume 0 != stopRequestedAtCurrentFloor_~tmp~8;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~1;havoc getCurrentFloorID_~retValue_acc~1;getCurrentFloorID_~retValue_acc~1 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~1; 24142#L288-4 stopRequestedAtCurrentFloor_#t~ret26 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~4 := stopRequestedAtCurrentFloor_#t~ret26;havoc stopRequestedAtCurrentFloor_#t~ret26; 24141#L961-1 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~4);stopRequestedAtCurrentFloor_~retValue_acc~12 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~12; 22779#L974-1 timeShift_#t~ret41 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret41;havoc timeShift_#t~ret41; 27859#L1110-1 assume !(0 != timeShift_~tmp___9~2); 27860#L1201-3 assume 1 == ~doorState~0;~doorState~0 := 0; 28542#L1201-5 stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret19, stopRequestedInDirection_#t~ret20, stopRequestedInDirection_#t~ret21, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~9, stopRequestedInDirection_~tmp~5, stopRequestedInDirection_~tmp___0~2, stopRequestedInDirection_~__cil_tmp7~0, stopRequestedInDirection_~__cil_tmp8~0;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~9;havoc stopRequestedInDirection_~tmp~5;havoc stopRequestedInDirection_~tmp___0~2;havoc stopRequestedInDirection_~__cil_tmp7~0;havoc stopRequestedInDirection_~__cil_tmp8~0;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret99, isExecutiveFloorCalling_~retValue_acc~15;havoc isExecutiveFloorCalling_~retValue_acc~15;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~17;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~17; 28541#L1679-33 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~17 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~17; 28540#L1706-33 isExecutiveFloorCalling_#t~ret99 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~15 := isExecutiveFloorCalling_#t~ret99;havoc isExecutiveFloorCalling_#t~ret99;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~15; 28539#L1573-4 stopRequestedInDirection_#t~ret19 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~2 := stopRequestedInDirection_#t~ret19;havoc stopRequestedInDirection_#t~ret19; 28538#L840-2 assume 0 != stopRequestedInDirection_~tmp___0~2;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~1;havoc getCurrentFloorID_~retValue_acc~1;getCurrentFloorID_~retValue_acc~1 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~1; 21905#L288-5 stopRequestedInDirection_#t~ret20 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~5 := stopRequestedInDirection_#t~ret20;havoc stopRequestedInDirection_#t~ret20;stopRequestedInDirection_~__cil_tmp7~0 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~0 := (if stopRequestedInDirection_~tmp~5 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~9 := (if stopRequestedInDirection_~__cil_tmp8~0 == stopRequestedInDirection_~__cil_tmp7~0 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~9; 21906#L853-2 timeShift_#t~ret48 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret48;havoc timeShift_#t~ret48; 22015#L1209-1 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret22, continueInDirection_~dir, continueInDirection_~tmp~6;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~6;~currentHeading~0 := continueInDirection_~dir; 22017#L897-3 assume !(1 == ~currentHeading~0); 21483#L907-9 assume !(0 == ~currentFloorID~0); 21484#L907-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 21485#L913-11 havoc __utac_acc__Specification2_spec__3_#t~ret100, __utac_acc__Specification2_spec__3_#t~ret101, __utac_acc__Specification2_spec__3_#t~ret102, __utac_acc__Specification2_spec__3_#t~ret103, __utac_acc__Specification2_spec__3_#t~ret104, __utac_acc__Specification2_spec__3_#t~ret105, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~12, __utac_acc__Specification2_spec__3_~tmp___0~8, __utac_acc__Specification2_spec__3_~tmp___1~5, __utac_acc__Specification2_spec__3_~tmp___2~5, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~12;havoc __utac_acc__Specification2_spec__3_~tmp___0~8;havoc __utac_acc__Specification2_spec__3_~tmp___1~5;havoc __utac_acc__Specification2_spec__3_~tmp___2~5;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~1;havoc getCurrentFloorID_~retValue_acc~1;getCurrentFloorID_~retValue_acc~1 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~1; 21934#L288-7 __utac_acc__Specification2_spec__3_#t~ret100 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~12 := __utac_acc__Specification2_spec__3_#t~ret100;havoc __utac_acc__Specification2_spec__3_#t~ret100;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~12; 21935#L2331-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 23480#L2332-1 assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~2;havoc areDoorsOpen_~retValue_acc~2;areDoorsOpen_~retValue_acc~2 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~2; 23481#L297-5 __utac_acc__Specification2_spec__3_#t~ret101 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret101;havoc __utac_acc__Specification2_spec__3_#t~ret101; 23433#L2336-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 22256#L2391-1 cleanup_~i~3 := 1 + cleanup_~i~3; 23008#L2807-2 [2019-10-22 08:58:32,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:32,202 INFO L82 PathProgramCache]: Analyzing trace with hash 264473694, now seen corresponding path program 2 times [2019-10-22 08:58:32,202 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:32,202 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567594424] [2019-10-22 08:58:32,202 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:32,202 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:32,202 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:32,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:32,320 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567594424] [2019-10-22 08:58:32,320 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:32,320 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:32,320 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963207678] [2019-10-22 08:58:32,321 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-10-22 08:58:32,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:32,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1078521649, now seen corresponding path program 1 times [2019-10-22 08:58:32,321 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:32,321 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842636101] [2019-10-22 08:58:32,322 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:32,322 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:32,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:32,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:32,375 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842636101] [2019-10-22 08:58:32,375 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:32,375 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:58:32,375 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111684912] [2019-10-22 08:58:32,376 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-10-22 08:58:32,376 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:32,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:58:32,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:58:32,376 INFO L87 Difference]: Start difference. First operand 7129 states and 13391 transitions. cyclomatic complexity: 6264 Second operand 5 states. [2019-10-22 08:58:33,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:33,064 INFO L93 Difference]: Finished difference Result 21700 states and 40501 transitions. [2019-10-22 08:58:33,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:58:33,065 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21700 states and 40501 transitions. [2019-10-22 08:58:33,210 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17220 [2019-10-22 08:58:33,329 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21700 states to 21700 states and 40501 transitions. [2019-10-22 08:58:33,329 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21700 [2019-10-22 08:58:33,356 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21700 [2019-10-22 08:58:33,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21700 states and 40501 transitions. [2019-10-22 08:58:33,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:58:33,387 INFO L688 BuchiCegarLoop]: Abstraction has 21700 states and 40501 transitions. [2019-10-22 08:58:33,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21700 states and 40501 transitions. [2019-10-22 08:58:33,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21700 to 9042. [2019-10-22 08:58:33,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9042 states. [2019-10-22 08:58:33,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9042 states to 9042 states and 16858 transitions. [2019-10-22 08:58:33,644 INFO L711 BuchiCegarLoop]: Abstraction has 9042 states and 16858 transitions. [2019-10-22 08:58:33,644 INFO L591 BuchiCegarLoop]: Abstraction has 9042 states and 16858 transitions. [2019-10-22 08:58:33,644 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-10-22 08:58:33,644 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9042 states and 16858 transitions. [2019-10-22 08:58:33,689 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4661 [2019-10-22 08:58:33,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:58:33,690 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:58:33,692 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:33,695 INFO L850 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:33,696 INFO L791 eck$LassoCheckResult]: Stem: 50943#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~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;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(10);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string54.base, #t~string54.offset, 1);call write~init~int(95, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(93, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string56.base, #t~string56.offset, 1);call write~init~int(93, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string58.base, #t~string58.offset, 1);call write~init~int(97, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(116, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(32, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 4 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string60.base, #t~string60.offset, 1);call write~init~int(105, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(10);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string64.base, #t~string64.offset, 1);call write~init~int(112, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string66.base, #t~string66.offset, 1);call write~init~int(111, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(119, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string68.base, #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(76, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(95, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(112, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string70.base, #t~string70.offset, 1);call write~init~int(37, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(105, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string72.base, #t~string72.offset, 1);call write~init~int(37, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(105, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 3 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string74.base, #t~string74.offset, 1);call write~init~int(37, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(105, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string76.base, #t~string76.offset, 1);call write~init~int(37, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(105, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 3 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string78.base, #t~string78.offset, 1);call write~init~int(37, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(105, #t~string78.base, 2 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 3 + #t~string78.offset, 1);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string80.base, #t~string80.offset, 1);call write~init~int(70, #t~string80.base, 1 + #t~string80.offset, 1);call write~init~int(95, #t~string80.base, 2 + #t~string80.offset, 1);call write~init~int(112, #t~string80.base, 3 + #t~string80.offset, 1);call write~init~int(58, #t~string80.base, 4 + #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 5 + #t~string80.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string83.base, #t~string83.offset, 1);call write~init~int(37, #t~string83.base, 1 + #t~string83.offset, 1);call write~init~int(105, #t~string83.base, 2 + #t~string83.offset, 1);call write~init~int(0, #t~string83.base, 3 + #t~string83.offset, 1);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string86.base, #t~string86.offset, 1);call write~init~int(37, #t~string86.base, 1 + #t~string86.offset, 1);call write~init~int(105, #t~string86.base, 2 + #t~string86.offset, 1);call write~init~int(0, #t~string86.base, 3 + #t~string86.offset, 1);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string89.base, #t~string89.offset, 1);call write~init~int(37, #t~string89.base, 1 + #t~string89.offset, 1);call write~init~int(105, #t~string89.base, 2 + #t~string89.offset, 1);call write~init~int(0, #t~string89.base, 3 + #t~string89.offset, 1);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string92.base, #t~string92.offset, 1);call write~init~int(37, #t~string92.base, 1 + #t~string92.offset, 1);call write~init~int(105, #t~string92.base, 2 + #t~string92.offset, 1);call write~init~int(0, #t~string92.base, 3 + #t~string92.offset, 1);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string95.base, #t~string95.offset, 1);call write~init~int(37, #t~string95.base, 1 + #t~string95.offset, 1);call write~init~int(105, #t~string95.base, 2 + #t~string95.offset, 1);call write~init~int(0, #t~string95.base, 3 + #t~string95.offset, 1);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string97.base, #t~string97.offset, 1);call write~init~int(0, #t~string97.base, 1 + #t~string97.offset, 1);~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;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0;~cleanupTimeShifts~0 := 12;~head~0.base, ~head~0.offset := 0, 0;call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(30);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(9);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(21);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(30);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(9);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(21);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(30);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(9);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(25);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(30);call #t~string157.base, #t~string157.offset := #Ultimate.allocOnStack(9);call #t~string158.base, #t~string158.offset := #Ultimate.allocOnStack(25); 50944#L-1 havoc main_#res;havoc main_#t~ret125, main_~retValue_acc~24, main_~tmp~23;havoc main_~retValue_acc~24;havoc main_~tmp~23; 52362#L3405 havoc valid_product_#res;havoc valid_product_~retValue_acc~29;havoc valid_product_~retValue_acc~29;valid_product_~retValue_acc~29 := 1;valid_product_#res := valid_product_~retValue_acc~29; 50977#L3413 main_#t~ret125 := valid_product_#res;main_~tmp~23 := main_#t~ret125;havoc main_#t~ret125; 50978#L3003 assume 0 != main_~tmp~23; 50783#L2975 ~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 50784#L2286 havoc bigMacCall_#t~ret118, bigMacCall_~tmp~20;havoc bigMacCall_~tmp~20;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~21;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~21; 51937#L2497 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~21 := 4;getOrigin_#res := getOrigin_~retValue_acc~21; 51478#L2522 bigMacCall_#t~ret118 := getOrigin_#res;bigMacCall_~tmp~20 := bigMacCall_#t~ret118;havoc bigMacCall_#t~ret118;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~20;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 52690#L1950 assume 0 == initPersonOnFloor_~floor; 52691#L1951 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 50361#L2058-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 50716#L1742 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 50539#L1754-2 havoc cleanup_#t~ret119, cleanup_#t~ret120, cleanup_~i~3, cleanup_~tmp~21, cleanup_~tmp___0~11, cleanup_~__cil_tmp4~0;havoc cleanup_~i~3;havoc cleanup_~tmp~21;havoc cleanup_~tmp___0~11;havoc cleanup_~__cil_tmp4~0;havoc timeShift_#t~ret41, timeShift_#t~ret42, timeShift_#t~ret43, timeShift_#t~ret44, timeShift_#t~ret45, timeShift_#t~ret46, timeShift_#t~ret47, timeShift_#t~ret48, timeShift_#t~ret49, timeShift_#t~ret50, timeShift_#t~ret51, timeShift_~tmp~10, timeShift_~tmp___0~6, timeShift_~tmp___1~3, timeShift_~tmp___2~3, timeShift_~tmp___3~3, timeShift_~tmp___4~2, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~10;havoc timeShift_~tmp___0~6;havoc timeShift_~tmp___1~3;havoc timeShift_~tmp___2~3;havoc timeShift_~tmp___3~3;havoc timeShift_~tmp___4~2;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret25, stopRequestedAtCurrentFloor_#t~ret26, stopRequestedAtCurrentFloor_#t~ret27, stopRequestedAtCurrentFloor_#t~ret28, stopRequestedAtCurrentFloor_~retValue_acc~12, stopRequestedAtCurrentFloor_~tmp~8, stopRequestedAtCurrentFloor_~tmp___0~4;havoc stopRequestedAtCurrentFloor_~retValue_acc~12;havoc stopRequestedAtCurrentFloor_~tmp~8;havoc stopRequestedAtCurrentFloor_~tmp___0~4;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret99, isExecutiveFloorCalling_~retValue_acc~15;havoc isExecutiveFloorCalling_~retValue_acc~15;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~17;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~17; 51445#L1679 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~17 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~17; 51917#L1706 isExecutiveFloorCalling_#t~ret99 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~15 := isExecutiveFloorCalling_#t~ret99;havoc isExecutiveFloorCalling_#t~ret99;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~15; 51767#L1573 stopRequestedAtCurrentFloor_#t~ret25 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~8 := stopRequestedAtCurrentFloor_#t~ret25;havoc stopRequestedAtCurrentFloor_#t~ret25; 51768#L957 assume 0 != stopRequestedAtCurrentFloor_~tmp~8;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~1;havoc getCurrentFloorID_~retValue_acc~1;getCurrentFloorID_~retValue_acc~1 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~1; 53100#L288 stopRequestedAtCurrentFloor_#t~ret26 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~4 := stopRequestedAtCurrentFloor_#t~ret26;havoc stopRequestedAtCurrentFloor_#t~ret26; 53099#L961 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~4);stopRequestedAtCurrentFloor_~retValue_acc~12 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~12; 52187#L974 timeShift_#t~ret41 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret41;havoc timeShift_#t~ret41; 52188#L1110 assume !(0 != timeShift_~tmp___9~2); 52730#L1201 assume !(1 == ~doorState~0); 52732#L1201-2 stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret19, stopRequestedInDirection_#t~ret20, stopRequestedInDirection_#t~ret21, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~9, stopRequestedInDirection_~tmp~5, stopRequestedInDirection_~tmp___0~2, stopRequestedInDirection_~__cil_tmp7~0, stopRequestedInDirection_~__cil_tmp8~0;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~9;havoc stopRequestedInDirection_~tmp~5;havoc stopRequestedInDirection_~tmp___0~2;havoc stopRequestedInDirection_~__cil_tmp7~0;havoc stopRequestedInDirection_~__cil_tmp8~0;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret99, isExecutiveFloorCalling_~retValue_acc~15;havoc isExecutiveFloorCalling_~retValue_acc~15;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~17;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~17; 56948#L1679-3 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~17 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~17; 56947#L1706-3 isExecutiveFloorCalling_#t~ret99 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~15 := isExecutiveFloorCalling_#t~ret99;havoc isExecutiveFloorCalling_#t~ret99;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~15; 56946#L1573-1 stopRequestedInDirection_#t~ret19 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~2 := stopRequestedInDirection_#t~ret19;havoc stopRequestedInDirection_#t~ret19; 56944#L840 assume 0 != stopRequestedInDirection_~tmp___0~2;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~1;havoc getCurrentFloorID_~retValue_acc~1;getCurrentFloorID_~retValue_acc~1 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~1; 50572#L288-1 stopRequestedInDirection_#t~ret20 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~5 := stopRequestedInDirection_#t~ret20;havoc stopRequestedInDirection_#t~ret20;stopRequestedInDirection_~__cil_tmp7~0 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~0 := (if stopRequestedInDirection_~tmp~5 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~9 := (if stopRequestedInDirection_~__cil_tmp8~0 == stopRequestedInDirection_~__cil_tmp7~0 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~9; 50573#L853 timeShift_#t~ret48 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret48;havoc timeShift_#t~ret48; 50870#L1209 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret22, continueInDirection_~dir, continueInDirection_~tmp~6;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~6;~currentHeading~0 := continueInDirection_~dir; 50872#L897 assume !(1 == ~currentHeading~0); 52653#L907 assume !(0 == ~currentFloorID~0); 50339#L907-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 50330#L913-5 havoc __utac_acc__Specification2_spec__3_#t~ret100, __utac_acc__Specification2_spec__3_#t~ret101, __utac_acc__Specification2_spec__3_#t~ret102, __utac_acc__Specification2_spec__3_#t~ret103, __utac_acc__Specification2_spec__3_#t~ret104, __utac_acc__Specification2_spec__3_#t~ret105, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~12, __utac_acc__Specification2_spec__3_~tmp___0~8, __utac_acc__Specification2_spec__3_~tmp___1~5, __utac_acc__Specification2_spec__3_~tmp___2~5, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~12;havoc __utac_acc__Specification2_spec__3_~tmp___0~8;havoc __utac_acc__Specification2_spec__3_~tmp___1~5;havoc __utac_acc__Specification2_spec__3_~tmp___2~5;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~1;havoc getCurrentFloorID_~retValue_acc~1;getCurrentFloorID_~retValue_acc~1 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~1; 50775#L288-3 __utac_acc__Specification2_spec__3_#t~ret100 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~12 := __utac_acc__Specification2_spec__3_#t~ret100;havoc __utac_acc__Specification2_spec__3_#t~ret100;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~12; 50776#L2331 assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 52405#L2332 assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~2;havoc areDoorsOpen_~retValue_acc~2;areDoorsOpen_~retValue_acc~2 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~2; 52407#L297 __utac_acc__Specification2_spec__3_#t~ret101 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret101;havoc __utac_acc__Specification2_spec__3_#t~ret101; 56802#L2336 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 56803#L2391 cleanup_~i~3 := 0; 57151#L2807-2 [2019-10-22 08:58:33,696 INFO L793 eck$LassoCheckResult]: Loop: 57151#L2807-2 assume !false; 57150#L2808 cleanup_~__cil_tmp4~0 := ~cleanupTimeShifts~0 - 1; 57149#L2811 assume cleanup_~i~3 < cleanup_~__cil_tmp4~0;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~0;havoc isBlocked_~retValue_acc~0;isBlocked_~retValue_acc~0 := 0;isBlocked_#res := isBlocked_~retValue_acc~0; 57148#L130 cleanup_#t~ret119 := isBlocked_#res;cleanup_~tmp___0~11 := cleanup_#t~ret119;havoc cleanup_#t~ret119; 57147#L2815 assume 1 != cleanup_~tmp___0~11; 57146#L2815-1 havoc isIdle_#res;havoc isIdle_#t~ret7, isIdle_~retValue_acc~7, isIdle_~tmp~3;havoc isIdle_~retValue_acc~7;havoc isIdle_~tmp~3;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret2, anyStopRequested_#t~ret3, anyStopRequested_#t~ret4, anyStopRequested_#t~ret5, anyStopRequested_#t~ret6, anyStopRequested_~retValue_acc~6, anyStopRequested_~tmp~2, anyStopRequested_~tmp___0~0, anyStopRequested_~tmp___1~0, anyStopRequested_~tmp___2~0, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~6;havoc anyStopRequested_~tmp~2;havoc anyStopRequested_~tmp___0~0;havoc anyStopRequested_~tmp___1~0;havoc anyStopRequested_~tmp___2~0;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~17;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~17; 57129#L1679-25 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~17 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~17; 57130#L1706-25 anyStopRequested_#t~ret2 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret2;havoc anyStopRequested_#t~ret2; 57104#L396 assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~6 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~6; 57100#L460 isIdle_#t~ret7 := anyStopRequested_#res;isIdle_~tmp~3 := isIdle_#t~ret7;havoc isIdle_#t~ret7;isIdle_~retValue_acc~7 := (if 0 == isIdle_~tmp~3 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~7; 57095#L473 cleanup_#t~ret120 := isIdle_#res;cleanup_~tmp~21 := cleanup_#t~ret120;havoc cleanup_#t~ret120; 57096#L2827 assume !(0 != cleanup_~tmp~21);havoc timeShift_#t~ret41, timeShift_#t~ret42, timeShift_#t~ret43, timeShift_#t~ret44, timeShift_#t~ret45, timeShift_#t~ret46, timeShift_#t~ret47, timeShift_#t~ret48, timeShift_#t~ret49, timeShift_#t~ret50, timeShift_#t~ret51, timeShift_~tmp~10, timeShift_~tmp___0~6, timeShift_~tmp___1~3, timeShift_~tmp___2~3, timeShift_~tmp___3~3, timeShift_~tmp___4~2, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~10;havoc timeShift_~tmp___0~6;havoc timeShift_~tmp___1~3;havoc timeShift_~tmp___2~3;havoc timeShift_~tmp___3~3;havoc timeShift_~tmp___4~2;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret25, stopRequestedAtCurrentFloor_#t~ret26, stopRequestedAtCurrentFloor_#t~ret27, stopRequestedAtCurrentFloor_#t~ret28, stopRequestedAtCurrentFloor_~retValue_acc~12, stopRequestedAtCurrentFloor_~tmp~8, stopRequestedAtCurrentFloor_~tmp___0~4;havoc stopRequestedAtCurrentFloor_~retValue_acc~12;havoc stopRequestedAtCurrentFloor_~tmp~8;havoc stopRequestedAtCurrentFloor_~tmp___0~4;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret99, isExecutiveFloorCalling_~retValue_acc~15;havoc isExecutiveFloorCalling_~retValue_acc~15;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~17;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~17; 57092#L1679-30 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~17 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~17; 53545#L1706-30 isExecutiveFloorCalling_#t~ret99 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~15 := isExecutiveFloorCalling_#t~ret99;havoc isExecutiveFloorCalling_#t~ret99;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~15; 57089#L1573-3 stopRequestedAtCurrentFloor_#t~ret25 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~8 := stopRequestedAtCurrentFloor_#t~ret25;havoc stopRequestedAtCurrentFloor_#t~ret25; 57090#L957-1 assume 0 != stopRequestedAtCurrentFloor_~tmp~8;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~1;havoc getCurrentFloorID_~retValue_acc~1;getCurrentFloorID_~retValue_acc~1 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~1; 57084#L288-4 stopRequestedAtCurrentFloor_#t~ret26 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~4 := stopRequestedAtCurrentFloor_#t~ret26;havoc stopRequestedAtCurrentFloor_#t~ret26; 57085#L961-1 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~4);stopRequestedAtCurrentFloor_~retValue_acc~12 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~12; 51658#L974-1 timeShift_#t~ret41 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret41;havoc timeShift_#t~ret41; 58164#L1110-1 assume !(0 != timeShift_~tmp___9~2); 58163#L1201-3 assume !(1 == ~doorState~0); 58162#L1201-5 stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret19, stopRequestedInDirection_#t~ret20, stopRequestedInDirection_#t~ret21, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~9, stopRequestedInDirection_~tmp~5, stopRequestedInDirection_~tmp___0~2, stopRequestedInDirection_~__cil_tmp7~0, stopRequestedInDirection_~__cil_tmp8~0;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~9;havoc stopRequestedInDirection_~tmp~5;havoc stopRequestedInDirection_~tmp___0~2;havoc stopRequestedInDirection_~__cil_tmp7~0;havoc stopRequestedInDirection_~__cil_tmp8~0;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret99, isExecutiveFloorCalling_~retValue_acc~15;havoc isExecutiveFloorCalling_~retValue_acc~15;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~17;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~17; 58161#L1679-33 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~17 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~17; 58160#L1706-33 isExecutiveFloorCalling_#t~ret99 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~15 := isExecutiveFloorCalling_#t~ret99;havoc isExecutiveFloorCalling_#t~ret99;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~15; 58159#L1573-4 stopRequestedInDirection_#t~ret19 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~2 := stopRequestedInDirection_#t~ret19;havoc stopRequestedInDirection_#t~ret19; 58012#L840-2 assume 0 != stopRequestedInDirection_~tmp___0~2;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~1;havoc getCurrentFloorID_~retValue_acc~1;getCurrentFloorID_~retValue_acc~1 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~1; 57984#L288-5 stopRequestedInDirection_#t~ret20 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~5 := stopRequestedInDirection_#t~ret20;havoc stopRequestedInDirection_#t~ret20;stopRequestedInDirection_~__cil_tmp7~0 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~0 := (if stopRequestedInDirection_~tmp~5 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~9 := (if stopRequestedInDirection_~__cil_tmp8~0 == stopRequestedInDirection_~__cil_tmp7~0 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~9; 57979#L853-2 timeShift_#t~ret48 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret48;havoc timeShift_#t~ret48; 57970#L1209-1 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret22, continueInDirection_~dir, continueInDirection_~tmp~6;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~6;~currentHeading~0 := continueInDirection_~dir; 57961#L897-3 assume !(1 == ~currentHeading~0); 57952#L907-9 assume !(0 == ~currentFloorID~0); 57944#L907-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 57937#L913-11 havoc __utac_acc__Specification2_spec__3_#t~ret100, __utac_acc__Specification2_spec__3_#t~ret101, __utac_acc__Specification2_spec__3_#t~ret102, __utac_acc__Specification2_spec__3_#t~ret103, __utac_acc__Specification2_spec__3_#t~ret104, __utac_acc__Specification2_spec__3_#t~ret105, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~12, __utac_acc__Specification2_spec__3_~tmp___0~8, __utac_acc__Specification2_spec__3_~tmp___1~5, __utac_acc__Specification2_spec__3_~tmp___2~5, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~12;havoc __utac_acc__Specification2_spec__3_~tmp___0~8;havoc __utac_acc__Specification2_spec__3_~tmp___1~5;havoc __utac_acc__Specification2_spec__3_~tmp___2~5;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~1;havoc getCurrentFloorID_~retValue_acc~1;getCurrentFloorID_~retValue_acc~1 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~1; 57936#L288-7 __utac_acc__Specification2_spec__3_#t~ret100 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~12 := __utac_acc__Specification2_spec__3_#t~ret100;havoc __utac_acc__Specification2_spec__3_#t~ret100;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~12; 57932#L2331-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 57928#L2332-1 assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~2;havoc areDoorsOpen_~retValue_acc~2;areDoorsOpen_~retValue_acc~2 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~2; 57927#L297-5 __utac_acc__Specification2_spec__3_#t~ret101 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret101;havoc __utac_acc__Specification2_spec__3_#t~ret101; 57922#L2336-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 57152#L2391-1 cleanup_~i~3 := 1 + cleanup_~i~3; 57151#L2807-2 [2019-10-22 08:58:33,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:33,696 INFO L82 PathProgramCache]: Analyzing trace with hash 264473694, now seen corresponding path program 3 times [2019-10-22 08:58:33,697 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:33,697 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19080440] [2019-10-22 08:58:33,697 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:33,697 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:33,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:33,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:33,765 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19080440] [2019-10-22 08:58:33,766 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:33,766 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:33,766 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996418098] [2019-10-22 08:58:33,766 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-10-22 08:58:33,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:33,767 INFO L82 PathProgramCache]: Analyzing trace with hash -610422093, now seen corresponding path program 1 times [2019-10-22 08:58:33,767 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:33,767 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406617563] [2019-10-22 08:58:33,767 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:33,767 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:33,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:33,848 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:34,453 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 160 [2019-10-22 08:58:35,226 WARN L191 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 124 [2019-10-22 08:58:35,237 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:58:35,238 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:58:35,238 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:58:35,238 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:58:35,238 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:58:35,238 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:35,238 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:58:35,239 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:58:35,239 INFO L131 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product19.cil.c_Iteration3_Loop [2019-10-22 08:58:35,239 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:58:35,239 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:58:35,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:35,736 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2019-10-22 08:58:36,349 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:58:36,354 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58f7a779-90b2-449b-bf52-2d9e90dd3403/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:36,362 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:36,363 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:58:36,371 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:58:36,371 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_continueInDirection_#t~ret22=0} Honda state: {ULTIMATE.start_continueInDirection_#t~ret22=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58f7a779-90b2-449b-bf52-2d9e90dd3403/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:36,380 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:36,381 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:58:36,388 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:58:36,388 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret105=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret105=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58f7a779-90b2-449b-bf52-2d9e90dd3403/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:36,473 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:36,473 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:58:36,484 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:58:36,484 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_~tmp___7~2=0} Honda state: {ULTIMATE.start_timeShift_~tmp___7~2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58f7a779-90b2-449b-bf52-2d9e90dd3403/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:36,499 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:36,499 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:58:36,504 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:58:36,504 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret101=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret101=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58f7a779-90b2-449b-bf52-2d9e90dd3403/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:36,518 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:36,518 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:58:36,525 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:58:36,525 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_~tmp___1~0=0} Honda state: {ULTIMATE.start_anyStopRequested_~tmp___1~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58f7a779-90b2-449b-bf52-2d9e90dd3403/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:58:36,536 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:36,536 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:36,553 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:58:36,553 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret103=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret103=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58f7a779-90b2-449b-bf52-2d9e90dd3403/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:58:36,562 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:36,562 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:36,580 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:58:36,581 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_stopRequestedInDirection_#t~ret21=0} Honda state: {ULTIMATE.start_stopRequestedInDirection_#t~ret21=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58f7a779-90b2-449b-bf52-2d9e90dd3403/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:58:36,596 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:36,596 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:36,599 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:58:36,599 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___2~5=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___2~5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58f7a779-90b2-449b-bf52-2d9e90dd3403/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:58:36,607 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:36,608 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:36,613 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:58:36,613 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_~tmp___2~0=0} Honda state: {ULTIMATE.start_anyStopRequested_~tmp___2~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58f7a779-90b2-449b-bf52-2d9e90dd3403/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:36,621 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:36,622 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58f7a779-90b2-449b-bf52-2d9e90dd3403/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:58:36,634 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:58:36,634 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:37,676 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:58:37,679 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:58:37,679 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:58:37,679 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:58:37,679 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:58:37,679 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:58:37,679 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:37,680 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:58:37,680 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:58:37,680 INFO L131 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product19.cil.c_Iteration3_Loop [2019-10-22 08:58:37,680 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:58:37,680 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:58:37,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:37,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:38,599 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:58:38,603 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:58:38,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:38,606 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:38,606 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:38,609 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:38,609 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:38,609 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:38,611 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:38,611 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:38,613 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:38,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:38,613 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:38,614 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:38,614 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:38,614 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:38,614 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:38,614 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:38,614 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:38,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:38,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:38,618 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:38,618 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:38,618 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:38,618 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:38,618 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:38,619 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:38,619 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:38,619 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:38,620 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:38,620 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:38,620 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:38,620 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:38,620 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:38,620 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:38,621 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:38,621 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:38,621 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:38,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:38,622 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:38,622 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:38,622 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:38,622 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:38,622 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:38,623 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:38,623 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:38,626 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:38,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:38,627 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:38,627 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:38,627 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:38,628 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:38,628 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:38,628 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:38,628 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:38,628 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:38,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:38,629 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:38,629 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:38,629 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:38,629 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:38,630 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:38,630 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:38,630 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:38,630 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:38,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:38,633 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:38,633 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:38,633 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:38,633 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:38,634 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:38,634 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:38,634 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:38,634 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:38,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:38,635 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:38,635 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:38,635 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:38,636 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:38,636 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:38,636 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:38,636 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:38,637 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:38,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:38,637 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:38,638 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:38,638 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:38,638 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:38,638 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:38,638 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:38,639 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:38,643 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:58:38,650 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-10-22 08:58:38,650 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-10-22 08:58:38,653 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:58:38,653 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 08:58:38,654 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:58:38,654 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(~cleanupTimeShifts~0, ULTIMATE.start_cleanup_~i~3) = 1*~cleanupTimeShifts~0 - 1*ULTIMATE.start_cleanup_~i~3 Supporting invariants [] [2019-10-22 08:58:38,656 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 08:58:38,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:38,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:58:38,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:38,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 08:58:38,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:38,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:38,917 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 [2019-10-22 08:58:38,918 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9042 states and 16858 transitions. cyclomatic complexity: 7818 Second operand 5 states. [2019-10-22 08:58:39,286 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9042 states and 16858 transitions. cyclomatic complexity: 7818. Second operand 5 states. Result 13703 states and 25523 transitions. Complement of second has 8 states. [2019-10-22 08:58:39,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-10-22 08:58:39,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-10-22 08:58:39,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4670 transitions. [2019-10-22 08:58:39,297 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4670 transitions. Stem has 41 letters. Loop has 39 letters. [2019-10-22 08:58:39,298 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:58:39,298 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4670 transitions. Stem has 80 letters. Loop has 39 letters. [2019-10-22 08:58:39,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:58:39,300 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4670 transitions. Stem has 41 letters. Loop has 78 letters. [2019-10-22 08:58:39,300 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:58:39,301 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13703 states and 25523 transitions. [2019-10-22 08:58:39,393 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:58:39,394 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13703 states to 0 states and 0 transitions. [2019-10-22 08:58:39,394 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:58:39,394 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:58:39,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:58:39,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:58:39,394 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:39,394 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:39,394 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:39,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:39,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:39,395 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-10-22 08:58:39,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:39,395 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-10-22 08:58:39,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:58:39,395 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-10-22 08:58:39,396 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:58:39,396 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:58:39,396 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:58:39,396 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:58:39,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:58:39,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:58:39,396 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:39,396 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:39,396 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:39,396 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-10-22 08:58:39,397 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:58:39,397 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:58:39,397 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:58:39,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:58:39 BoogieIcfgContainer [2019-10-22 08:58:39,405 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:58:39,405 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:58:39,405 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:58:39,405 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:58:39,406 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:26" (3/4) ... [2019-10-22 08:58:39,409 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:58:39,410 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:58:39,412 INFO L168 Benchmark]: Toolchain (without parser) took 18959.18 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 580.4 MB). Free memory was 937.8 MB in the beginning and 808.2 MB in the end (delta: 129.6 MB). Peak memory consumption was 710.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:39,413 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:39,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 863.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:39,415 INFO L168 Benchmark]: Boogie Procedure Inliner took 229.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:39,415 INFO L168 Benchmark]: Boogie Preprocessor took 160.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:39,416 INFO L168 Benchmark]: RCFGBuilder took 4798.24 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -209.0 MB). Peak memory consumption was 399.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:39,416 INFO L168 Benchmark]: BuchiAutomizer took 12898.09 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 235.4 MB). Free memory was 1.3 GB in the beginning and 808.2 MB in the end (delta: 459.7 MB). Peak memory consumption was 695.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:39,417 INFO L168 Benchmark]: Witness Printer took 4.70 ms. Allocated memory is still 1.6 GB. Free memory is still 808.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:39,421 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 863.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 229.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 160.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4798.24 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -209.0 MB). Peak memory consumption was 399.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 12898.09 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 235.4 MB). Free memory was 1.3 GB in the beginning and 808.2 MB in the end (delta: 459.7 MB). Peak memory consumption was 695.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.70 ms. Allocated memory is still 1.6 GB. Free memory is still 808.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * 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 12.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.5s. Construction of modules took 3.1s. Büchi inclusion checks took 2.4s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.5s AutomataMinimizationTime, 2 MinimizatonAttempts, 24336 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.6s Buchi closure took 0.0s. Biggest automaton had 9042 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 18504 SDtfs, 80001 SDslu, 55098 SDs, 0 SdLazy, 2577 SolverSat, 691 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI2 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital181 mio100 ax100 hnf100 lsp15 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq221 hnf87 smp100 dnf203 smp87 tf102 neg97 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 9 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...