./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec2_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec2_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/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 5e4d8dcfe82fc4bb9ebaa5d0d7ffbdedfabac858 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:10:09,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:10:09,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:10:09,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:10:09,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:10:09,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:10:09,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:10:09,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:10:09,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:10:09,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:10:09,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:10:09,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:10:09,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:10:09,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:10:09,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:10:09,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:10:09,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:10:09,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:10:09,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:10:09,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:10:09,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:10:09,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:10:09,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:10:09,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:10:09,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:10:09,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:10:09,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:10:09,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:10:09,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:10:09,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:10:09,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:10:09,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:10:09,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:10:09,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:10:09,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:10:09,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:10:09,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:10:09,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:10:09,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:10:09,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:10:09,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:10:09,263 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 17:10:09,274 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:10:09,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:10:09,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:10:09,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:10:09,275 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:10:09,275 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:10:09,275 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:10:09,276 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:10:09,276 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:10:09,276 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:10:09,276 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:10:09,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:10:09,276 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:10:09,276 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:10:09,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:10:09,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:10:09,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:10:09,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:10:09,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:10:09,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:10:09,277 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:10:09,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:10:09,277 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:10:09,277 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:10:09,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:10:09,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:10:09,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:10:09,278 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:10:09,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:10:09,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:10:09,278 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:10:09,278 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:10:09,279 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:10:09,279 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/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/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 -> 5e4d8dcfe82fc4bb9ebaa5d0d7ffbdedfabac858 [2019-12-07 17:10:09,375 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:10:09,383 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:10:09,385 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:10:09,386 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:10:09,386 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:10:09,386 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/../../sv-benchmarks/c/product-lines/elevator_spec2_product31.cil.c [2019-12-07 17:10:09,424 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/data/66c7ced47/adea78c06a8d4954a02cad710b27d578/FLAGfb69dc862 [2019-12-07 17:10:09,935 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:10:09,936 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/sv-benchmarks/c/product-lines/elevator_spec2_product31.cil.c [2019-12-07 17:10:09,948 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/data/66c7ced47/adea78c06a8d4954a02cad710b27d578/FLAGfb69dc862 [2019-12-07 17:10:10,456 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/data/66c7ced47/adea78c06a8d4954a02cad710b27d578 [2019-12-07 17:10:10,458 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:10:10,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:10:10,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:10:10,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:10:10,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:10:10,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:10:10" (1/1) ... [2019-12-07 17:10:10,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f9858b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:10:10, skipping insertion in model container [2019-12-07 17:10:10,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:10:10" (1/1) ... [2019-12-07 17:10:10,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:10:10,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:10:10,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:10:10,842 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:10:10,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:10:10,961 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:10:10,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:10:10 WrapperNode [2019-12-07 17:10:10,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:10:10,962 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:10:10,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:10:10,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:10:10,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:10:10" (1/1) ... [2019-12-07 17:10:10,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:10:10" (1/1) ... [2019-12-07 17:10:11,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:10:11,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:10:11,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:10:11,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:10:11,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:10:10" (1/1) ... [2019-12-07 17:10:11,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:10:10" (1/1) ... [2019-12-07 17:10:11,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:10:10" (1/1) ... [2019-12-07 17:10:11,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:10:10" (1/1) ... [2019-12-07 17:10:11,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:10:10" (1/1) ... [2019-12-07 17:10:11,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:10:10" (1/1) ... [2019-12-07 17:10:11,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:10:10" (1/1) ... [2019-12-07 17:10:11,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:10:11,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:10:11,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:10:11,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:10:11,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:10:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/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 [2019-12-07 17:10:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:10:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 17:10:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:10:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:10:15,172 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:10:15,173 INFO L287 CfgBuilder]: Removed 893 assume(true) statements. [2019-12-07 17:10:15,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:10:15 BoogieIcfgContainer [2019-12-07 17:10:15,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:10:15,175 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:10:15,175 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:10:15,177 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:10:15,178 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:10:15,178 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:10:10" (1/3) ... [2019-12-07 17:10:15,179 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ca6defd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:10:15, skipping insertion in model container [2019-12-07 17:10:15,179 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:10:15,179 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:10:10" (2/3) ... [2019-12-07 17:10:15,179 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ca6defd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:10:15, skipping insertion in model container [2019-12-07 17:10:15,179 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:10:15,179 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:10:15" (3/3) ... [2019-12-07 17:10:15,180 INFO L371 chiAutomizerObserver]: Analyzing ICFG elevator_spec2_product31.cil.c [2019-12-07 17:10:15,209 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:10:15,209 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:10:15,209 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:10:15,209 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:10:15,210 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:10:15,210 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:10:15,210 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:10:15,210 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:10:15,261 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3671 states. [2019-12-07 17:10:15,331 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1825 [2019-12-07 17:10:15,331 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:10:15,331 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:10:15,344 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] [2019-12-07 17:10:15,344 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] [2019-12-07 17:10:15,344 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:10:15,344 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3671 states. [2019-12-07 17:10:15,371 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1825 [2019-12-07 17:10:15,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:10:15,371 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:10:15,375 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] [2019-12-07 17:10:15,375 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] [2019-12-07 17:10:15,380 INFO L794 eck$LassoCheckResult]: Stem: 2399#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(10);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string88.base, #t~string88.offset, 1);call write~init~int(95, #t~string88.base, 1 + #t~string88.offset, 1);call write~init~int(93, #t~string88.base, 2 + #t~string88.offset, 1);call write~init~int(0, #t~string88.base, 3 + #t~string88.offset, 1);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string90.base, #t~string90.offset, 1);call write~init~int(93, #t~string90.base, 1 + #t~string90.offset, 1);call write~init~int(32, #t~string90.base, 2 + #t~string90.offset, 1);call write~init~int(0, #t~string90.base, 3 + #t~string90.offset, 1);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string92.base, #t~string92.offset, 1);call write~init~int(97, #t~string92.base, 1 + #t~string92.offset, 1);call write~init~int(116, #t~string92.base, 2 + #t~string92.offset, 1);call write~init~int(32, #t~string92.base, 3 + #t~string92.offset, 1);call write~init~int(0, #t~string92.base, 4 + #t~string92.offset, 1);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string94.base, #t~string94.offset, 1);call write~init~int(105, #t~string94.base, 1 + #t~string94.offset, 1);call write~init~int(0, #t~string94.base, 2 + #t~string94.offset, 1);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(10);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string98.base, #t~string98.offset, 1);call write~init~int(112, #t~string98.base, 1 + #t~string98.offset, 1);call write~init~int(0, #t~string98.base, 2 + #t~string98.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string100.base, #t~string100.offset, 1);call write~init~int(111, #t~string100.base, 1 + #t~string100.offset, 1);call write~init~int(119, #t~string100.base, 2 + #t~string100.offset, 1);call write~init~int(110, #t~string100.base, 3 + #t~string100.offset, 1);call write~init~int(0, #t~string100.base, 4 + #t~string100.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string102.base, #t~string102.offset, 1);call write~init~int(73, #t~string102.base, 1 + #t~string102.offset, 1);call write~init~int(76, #t~string102.base, 2 + #t~string102.offset, 1);call write~init~int(95, #t~string102.base, 3 + #t~string102.offset, 1);call write~init~int(112, #t~string102.base, 4 + #t~string102.offset, 1);call write~init~int(58, #t~string102.base, 5 + #t~string102.offset, 1);call write~init~int(0, #t~string102.base, 6 + #t~string102.offset, 1);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string104.base, #t~string104.offset, 1);call write~init~int(37, #t~string104.base, 1 + #t~string104.offset, 1);call write~init~int(105, #t~string104.base, 2 + #t~string104.offset, 1);call write~init~int(0, #t~string104.base, 3 + #t~string104.offset, 1);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string106.base, #t~string106.offset, 1);call write~init~int(37, #t~string106.base, 1 + #t~string106.offset, 1);call write~init~int(105, #t~string106.base, 2 + #t~string106.offset, 1);call write~init~int(0, #t~string106.base, 3 + #t~string106.offset, 1);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string108.base, #t~string108.offset, 1);call write~init~int(37, #t~string108.base, 1 + #t~string108.offset, 1);call write~init~int(105, #t~string108.base, 2 + #t~string108.offset, 1);call write~init~int(0, #t~string108.base, 3 + #t~string108.offset, 1);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string110.base, #t~string110.offset, 1);call write~init~int(37, #t~string110.base, 1 + #t~string110.offset, 1);call write~init~int(105, #t~string110.base, 2 + #t~string110.offset, 1);call write~init~int(0, #t~string110.base, 3 + #t~string110.offset, 1);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string112.base, #t~string112.offset, 1);call write~init~int(37, #t~string112.base, 1 + #t~string112.offset, 1);call write~init~int(105, #t~string112.base, 2 + #t~string112.offset, 1);call write~init~int(0, #t~string112.base, 3 + #t~string112.offset, 1);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string114.base, #t~string114.offset, 1);call write~init~int(70, #t~string114.base, 1 + #t~string114.offset, 1);call write~init~int(95, #t~string114.base, 2 + #t~string114.offset, 1);call write~init~int(112, #t~string114.base, 3 + #t~string114.offset, 1);call write~init~int(58, #t~string114.base, 4 + #t~string114.offset, 1);call write~init~int(0, #t~string114.base, 5 + #t~string114.offset, 1);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string117.base, #t~string117.offset, 1);call write~init~int(37, #t~string117.base, 1 + #t~string117.offset, 1);call write~init~int(105, #t~string117.base, 2 + #t~string117.offset, 1);call write~init~int(0, #t~string117.base, 3 + #t~string117.offset, 1);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string120.base, #t~string120.offset, 1);call write~init~int(37, #t~string120.base, 1 + #t~string120.offset, 1);call write~init~int(105, #t~string120.base, 2 + #t~string120.offset, 1);call write~init~int(0, #t~string120.base, 3 + #t~string120.offset, 1);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string123.base, #t~string123.offset, 1);call write~init~int(37, #t~string123.base, 1 + #t~string123.offset, 1);call write~init~int(105, #t~string123.base, 2 + #t~string123.offset, 1);call write~init~int(0, #t~string123.base, 3 + #t~string123.offset, 1);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string126.base, #t~string126.offset, 1);call write~init~int(37, #t~string126.base, 1 + #t~string126.offset, 1);call write~init~int(105, #t~string126.base, 2 + #t~string126.offset, 1);call write~init~int(0, #t~string126.base, 3 + #t~string126.offset, 1);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string129.base, #t~string129.offset, 1);call write~init~int(37, #t~string129.base, 1 + #t~string129.offset, 1);call write~init~int(105, #t~string129.base, 2 + #t~string129.offset, 1);call write~init~int(0, #t~string129.base, 3 + #t~string129.offset, 1);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string131.base, #t~string131.offset, 1);call write~init~int(0, #t~string131.base, 1 + #t~string131.offset, 1);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(21);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(21);call #t~string162.base, #t~string162.offset := #Ultimate.allocOnStack(30);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(9);call #t~string164.base, #t~string164.offset := #Ultimate.allocOnStack(25);call #t~string165.base, #t~string165.offset := #Ultimate.allocOnStack(30);call #t~string166.base, #t~string166.offset := #Ultimate.allocOnStack(9);call #t~string167.base, #t~string167.offset := #Ultimate.allocOnStack(25);~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 2978#L-1true havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~7, main_~tmp~11;havoc main_~retValue_acc~7;havoc main_~tmp~11; 2309#L3104true havoc valid_product_#res;havoc valid_product_~retValue_acc~28;havoc valid_product_~retValue_acc~28;valid_product_~retValue_acc~28 := 1;valid_product_#res := valid_product_~retValue_acc~28; 2787#L3112true main_#t~ret25 := valid_product_#res;main_~tmp~11 := main_#t~ret25;havoc main_#t~ret25; 1254#L1453true assume 0 != main_~tmp~11; 3308#L1424true ~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; 1819#L848true havoc bigMacCall_#t~ret18, bigMacCall_~tmp~8;havoc bigMacCall_~tmp~8;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~4;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~4; 812#L753true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~4 := 4;getOrigin_#res := getOrigin_~retValue_acc~4; 739#L778true bigMacCall_#t~ret18 := getOrigin_#res;bigMacCall_~tmp~8 := bigMacCall_#t~ret18;havoc bigMacCall_#t~ret18;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~8;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 1045#L399true assume 0 == initPersonOnFloor_~floor; 862#L400true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 223#L507-1true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 3296#L191true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 2190#L203-2true havoc cleanup_#t~ret19, cleanup_#t~ret20, cleanup_~i~2, cleanup_~tmp~9, cleanup_~tmp___0~3, cleanup_~__cil_tmp4~0;havoc cleanup_~i~2;havoc cleanup_~tmp~9;havoc cleanup_~tmp___0~3;havoc cleanup_~__cil_tmp4~0;havoc timeShift_#t~ret75, timeShift_#t~ret76, timeShift_#t~ret77, timeShift_#t~ret78, timeShift_#t~ret79, timeShift_#t~ret80, timeShift_#t~ret81, timeShift_#t~ret82, timeShift_#t~ret83, timeShift_#t~ret84, timeShift_#t~ret85, timeShift_~tmp~25, timeShift_~tmp___0~12, timeShift_~tmp___1~7, timeShift_~tmp___2~5, timeShift_~tmp___3~4, timeShift_~tmp___4~3, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~25;havoc timeShift_~tmp___0~12;havoc timeShift_~tmp___1~7;havoc timeShift_~tmp___2~5;havoc timeShift_~tmp___3~4;havoc timeShift_~tmp___4~3;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~ret59, stopRequestedAtCurrentFloor_#t~ret60, stopRequestedAtCurrentFloor_#t~ret61, stopRequestedAtCurrentFloor_#t~ret62, stopRequestedAtCurrentFloor_~retValue_acc~22, stopRequestedAtCurrentFloor_~tmp~23, stopRequestedAtCurrentFloor_~tmp___0~10;havoc stopRequestedAtCurrentFloor_~retValue_acc~22;havoc stopRequestedAtCurrentFloor_~tmp~23;havoc stopRequestedAtCurrentFloor_~tmp___0~10;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret133, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 1323#L128true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 195#L155true isExecutiveFloorCalling_#t~ret133 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret133;havoc isExecutiveFloorCalling_#t~ret133;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 746#L3068true stopRequestedAtCurrentFloor_#t~ret59 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~23 := stopRequestedAtCurrentFloor_#t~ret59;havoc stopRequestedAtCurrentFloor_#t~ret59; 763#L2453true assume 0 != stopRequestedAtCurrentFloor_~tmp~23;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 1127#L1716true stopRequestedAtCurrentFloor_#t~ret60 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~10 := stopRequestedAtCurrentFloor_#t~ret60;havoc stopRequestedAtCurrentFloor_#t~ret60; 542#L2457true assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~10);stopRequestedAtCurrentFloor_~retValue_acc~22 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~22; 2903#L2470true timeShift_#t~ret75 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret75;havoc timeShift_#t~ret75; 1930#L2605true assume !(0 != timeShift_~tmp___9~2); 1753#L2696true assume !(1 == ~doorState~0); 1755#L2696-2true stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret50, stopRequestedInDirection_#t~ret51, stopRequestedInDirection_#t~ret52, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~18, stopRequestedInDirection_~tmp~19, stopRequestedInDirection_~tmp___0~7, stopRequestedInDirection_~__cil_tmp7~0, stopRequestedInDirection_~__cil_tmp8~1;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~18;havoc stopRequestedInDirection_~tmp~19;havoc stopRequestedInDirection_~tmp___0~7;havoc stopRequestedInDirection_~__cil_tmp7~0;havoc stopRequestedInDirection_~__cil_tmp8~1;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret133, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 1294#L128-3true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 211#L155-3true isExecutiveFloorCalling_#t~ret133 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret133;havoc isExecutiveFloorCalling_#t~ret133;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 744#L3068-1true stopRequestedInDirection_#t~ret50 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~7 := stopRequestedInDirection_#t~ret50;havoc stopRequestedInDirection_#t~ret50; 2482#L2308true assume 0 != stopRequestedInDirection_~tmp___0~7;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 1136#L1716-3true stopRequestedInDirection_#t~ret51 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~19 := stopRequestedInDirection_#t~ret51;havoc stopRequestedInDirection_#t~ret51;stopRequestedInDirection_~__cil_tmp7~0 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~1 := (if stopRequestedInDirection_~tmp~19 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~18 := (if stopRequestedInDirection_~__cil_tmp8~1 == stopRequestedInDirection_~__cil_tmp7~0 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~18; 2773#L2321true timeShift_#t~ret82 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret82;havoc timeShift_#t~ret82; 411#L2704true assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret53, continueInDirection_~dir, continueInDirection_~tmp~20;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~20;~currentHeading~0 := continueInDirection_~dir; 672#L2365true assume !(1 == ~currentHeading~0); 3242#L2375true assume !(0 == ~currentFloorID~0); 3246#L2375-2true assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 2966#L2381-5true havoc __utac_acc__Specification2_spec__3_#t~ret0, __utac_acc__Specification2_spec__3_#t~ret1, __utac_acc__Specification2_spec__3_#t~ret2, __utac_acc__Specification2_spec__3_#t~ret3, __utac_acc__Specification2_spec__3_#t~ret4, __utac_acc__Specification2_spec__3_#t~ret5, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~0, __utac_acc__Specification2_spec__3_~tmp___0~0, __utac_acc__Specification2_spec__3_~tmp___1~0, __utac_acc__Specification2_spec__3_~tmp___2~0, __utac_acc__Specification2_spec__3_~tmp___3~0, __utac_acc__Specification2_spec__3_~tmp___4~0;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~0;havoc __utac_acc__Specification2_spec__3_~tmp___0~0;havoc __utac_acc__Specification2_spec__3_~tmp___1~0;havoc __utac_acc__Specification2_spec__3_~tmp___2~0;havoc __utac_acc__Specification2_spec__3_~tmp___3~0;havoc __utac_acc__Specification2_spec__3_~tmp___4~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 1137#L1716-5true __utac_acc__Specification2_spec__3_#t~ret0 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~0 := __utac_acc__Specification2_spec__3_#t~ret0;havoc __utac_acc__Specification2_spec__3_#t~ret0;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~0; 3371#L893true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 3451#L894true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 2059#L1725true __utac_acc__Specification2_spec__3_#t~ret1 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~0 := __utac_acc__Specification2_spec__3_#t~ret1;havoc __utac_acc__Specification2_spec__3_#t~ret1; 2520#L898true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0;~floorButtons_spc2_0~0 := 0; 756#L953true cleanup_~i~2 := 0; 2219#L1256-2true [2019-12-07 17:10:15,381 INFO L796 eck$LassoCheckResult]: Loop: 2219#L1256-2true assume !false; 2297#L1257true cleanup_~__cil_tmp4~0 := ~cleanupTimeShifts~0 - 1; 2205#L1260true assume cleanup_~i~2 < cleanup_~__cil_tmp4~0;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~8;havoc isBlocked_~retValue_acc~8;isBlocked_~retValue_acc~8 := 0;isBlocked_#res := isBlocked_~retValue_acc~8; 1342#L1539true cleanup_#t~ret19 := isBlocked_#res;cleanup_~tmp___0~3 := cleanup_#t~ret19;havoc cleanup_#t~ret19; 2775#L1264true assume 1 != cleanup_~tmp___0~3; 2778#L1264-1true havoc isIdle_#res;havoc isIdle_#t~ret34, isIdle_~retValue_acc~15, isIdle_~tmp~16;havoc isIdle_~retValue_acc~15;havoc isIdle_~tmp~16;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret29, anyStopRequested_#t~ret30, anyStopRequested_#t~ret31, anyStopRequested_#t~ret32, anyStopRequested_#t~ret33, anyStopRequested_~retValue_acc~14, anyStopRequested_~tmp~15, anyStopRequested_~tmp___0~5, anyStopRequested_~tmp___1~4, anyStopRequested_~tmp___2~2, anyStopRequested_~tmp___3~1;havoc anyStopRequested_~retValue_acc~14;havoc anyStopRequested_~tmp~15;havoc anyStopRequested_~tmp___0~5;havoc anyStopRequested_~tmp___1~4;havoc anyStopRequested_~tmp___2~2;havoc anyStopRequested_~tmp___3~1;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 1175#L128-65true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 226#L155-65true anyStopRequested_#t~ret29 := isFloorCalling_#res;anyStopRequested_~tmp___3~1 := anyStopRequested_#t~ret29;havoc anyStopRequested_#t~ret29; 387#L1824true assume 0 != anyStopRequested_~tmp___3~1;anyStopRequested_~retValue_acc~14 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~14; 2649#L1888true isIdle_#t~ret34 := anyStopRequested_#res;isIdle_~tmp~16 := isIdle_#t~ret34;havoc isIdle_#t~ret34;isIdle_~retValue_acc~15 := (if 0 == isIdle_~tmp~16 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~15; 1902#L1901true cleanup_#t~ret20 := isIdle_#res;cleanup_~tmp~9 := cleanup_#t~ret20;havoc cleanup_#t~ret20; 1101#L1276true assume !(0 != cleanup_~tmp~9);havoc timeShift_#t~ret75, timeShift_#t~ret76, timeShift_#t~ret77, timeShift_#t~ret78, timeShift_#t~ret79, timeShift_#t~ret80, timeShift_#t~ret81, timeShift_#t~ret82, timeShift_#t~ret83, timeShift_#t~ret84, timeShift_#t~ret85, timeShift_~tmp~25, timeShift_~tmp___0~12, timeShift_~tmp___1~7, timeShift_~tmp___2~5, timeShift_~tmp___3~4, timeShift_~tmp___4~3, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~25;havoc timeShift_~tmp___0~12;havoc timeShift_~tmp___1~7;havoc timeShift_~tmp___2~5;havoc timeShift_~tmp___3~4;havoc timeShift_~tmp___4~3;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~ret59, stopRequestedAtCurrentFloor_#t~ret60, stopRequestedAtCurrentFloor_#t~ret61, stopRequestedAtCurrentFloor_#t~ret62, stopRequestedAtCurrentFloor_~retValue_acc~22, stopRequestedAtCurrentFloor_~tmp~23, stopRequestedAtCurrentFloor_~tmp___0~10;havoc stopRequestedAtCurrentFloor_~retValue_acc~22;havoc stopRequestedAtCurrentFloor_~tmp~23;havoc stopRequestedAtCurrentFloor_~tmp___0~10;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret133, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 1142#L128-70true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 242#L155-70true isExecutiveFloorCalling_#t~ret133 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret133;havoc isExecutiveFloorCalling_#t~ret133;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 731#L3068-3true stopRequestedAtCurrentFloor_#t~ret59 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~23 := stopRequestedAtCurrentFloor_#t~ret59;havoc stopRequestedAtCurrentFloor_#t~ret59; 668#L2453-1true assume 0 != stopRequestedAtCurrentFloor_~tmp~23;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 1108#L1716-6true stopRequestedAtCurrentFloor_#t~ret60 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~10 := stopRequestedAtCurrentFloor_#t~ret60;havoc stopRequestedAtCurrentFloor_#t~ret60; 544#L2457-1true assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~10);stopRequestedAtCurrentFloor_~retValue_acc~22 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~22; 2907#L2470-1true timeShift_#t~ret75 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret75;havoc timeShift_#t~ret75; 1933#L2605-1true assume !(0 != timeShift_~tmp___9~2); 1758#L2696-3true assume 1 == ~doorState~0;~doorState~0 := 0; 1737#L2696-5true stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret50, stopRequestedInDirection_#t~ret51, stopRequestedInDirection_#t~ret52, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~18, stopRequestedInDirection_~tmp~19, stopRequestedInDirection_~tmp___0~7, stopRequestedInDirection_~__cil_tmp7~0, stopRequestedInDirection_~__cil_tmp8~1;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~18;havoc stopRequestedInDirection_~tmp~19;havoc stopRequestedInDirection_~tmp___0~7;havoc stopRequestedInDirection_~__cil_tmp7~0;havoc stopRequestedInDirection_~__cil_tmp8~1;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret133, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 1154#L128-73true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 68#L155-73true isExecutiveFloorCalling_#t~ret133 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret133;havoc isExecutiveFloorCalling_#t~ret133;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 736#L3068-4true stopRequestedInDirection_#t~ret50 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~7 := stopRequestedInDirection_#t~ret50;havoc stopRequestedInDirection_#t~ret50; 2484#L2308-2true assume 0 != stopRequestedInDirection_~tmp___0~7;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 1116#L1716-9true stopRequestedInDirection_#t~ret51 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~19 := stopRequestedInDirection_#t~ret51;havoc stopRequestedInDirection_#t~ret51;stopRequestedInDirection_~__cil_tmp7~0 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~1 := (if stopRequestedInDirection_~tmp~19 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~18 := (if stopRequestedInDirection_~__cil_tmp8~1 == stopRequestedInDirection_~__cil_tmp7~0 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~18; 2776#L2321-2true timeShift_#t~ret82 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret82;havoc timeShift_#t~ret82; 410#L2704-1true assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret53, continueInDirection_~dir, continueInDirection_~tmp~20;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~20;~currentHeading~0 := continueInDirection_~dir; 679#L2365-3true assume !(1 == ~currentHeading~0); 3220#L2375-9true assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 3225#L2375-11true assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 2965#L2381-11true havoc __utac_acc__Specification2_spec__3_#t~ret0, __utac_acc__Specification2_spec__3_#t~ret1, __utac_acc__Specification2_spec__3_#t~ret2, __utac_acc__Specification2_spec__3_#t~ret3, __utac_acc__Specification2_spec__3_#t~ret4, __utac_acc__Specification2_spec__3_#t~ret5, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~0, __utac_acc__Specification2_spec__3_~tmp___0~0, __utac_acc__Specification2_spec__3_~tmp___1~0, __utac_acc__Specification2_spec__3_~tmp___2~0, __utac_acc__Specification2_spec__3_~tmp___3~0, __utac_acc__Specification2_spec__3_~tmp___4~0;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~0;havoc __utac_acc__Specification2_spec__3_~tmp___0~0;havoc __utac_acc__Specification2_spec__3_~tmp___1~0;havoc __utac_acc__Specification2_spec__3_~tmp___2~0;havoc __utac_acc__Specification2_spec__3_~tmp___3~0;havoc __utac_acc__Specification2_spec__3_~tmp___4~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 1094#L1716-11true __utac_acc__Specification2_spec__3_#t~ret0 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~0 := __utac_acc__Specification2_spec__3_#t~ret0;havoc __utac_acc__Specification2_spec__3_#t~ret0;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~0; 3373#L893-1true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 3452#L894-1true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 2049#L1725-5true __utac_acc__Specification2_spec__3_#t~ret1 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~0 := __utac_acc__Specification2_spec__3_#t~ret1;havoc __utac_acc__Specification2_spec__3_#t~ret1; 2521#L898-2true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0;~floorButtons_spc2_0~0 := 0; 757#L953-1true cleanup_~i~2 := 1 + cleanup_~i~2; 2219#L1256-2true [2019-12-07 17:10:15,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:10:15,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1882106937, now seen corresponding path program 1 times [2019-12-07 17:10:15,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:10:15,392 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253188811] [2019-12-07 17:10:15,392 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:10:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:10:15,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:10:15,599 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253188811] [2019-12-07 17:10:15,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:10:15,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:10:15,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835787747] [2019-12-07 17:10:15,603 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 17:10:15,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:10:15,603 INFO L82 PathProgramCache]: Analyzing trace with hash 394659546, now seen corresponding path program 1 times [2019-12-07 17:10:15,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:10:15,604 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877318702] [2019-12-07 17:10:15,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:10:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:10:15,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:10:15,659 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877318702] [2019-12-07 17:10:15,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:10:15,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 17:10:15,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74772314] [2019-12-07 17:10:15,661 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 17:10:15,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:10:15,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 17:10:15,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-12-07 17:10:15,679 INFO L87 Difference]: Start difference. First operand 3671 states. Second operand 7 states. [2019-12-07 17:10:21,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:10:21,446 INFO L93 Difference]: Finished difference Result 31176 states and 58243 transitions. [2019-12-07 17:10:21,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-12-07 17:10:21,447 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31176 states and 58243 transitions. [2019-12-07 17:10:21,635 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13613 [2019-12-07 17:10:21,805 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31176 states to 31036 states and 58085 transitions. [2019-12-07 17:10:21,806 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31036 [2019-12-07 17:10:21,833 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31036 [2019-12-07 17:10:21,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31036 states and 58085 transitions. [2019-12-07 17:10:21,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:10:21,876 INFO L688 BuchiCegarLoop]: Abstraction has 31036 states and 58085 transitions. [2019-12-07 17:10:21,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31036 states and 58085 transitions. [2019-12-07 17:10:22,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31036 to 10466. [2019-12-07 17:10:22,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10466 states. [2019-12-07 17:10:22,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10466 states to 10466 states and 19626 transitions. [2019-12-07 17:10:22,134 INFO L711 BuchiCegarLoop]: Abstraction has 10466 states and 19626 transitions. [2019-12-07 17:10:22,134 INFO L591 BuchiCegarLoop]: Abstraction has 10466 states and 19626 transitions. [2019-12-07 17:10:22,134 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:10:22,134 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10466 states and 19626 transitions. [2019-12-07 17:10:22,160 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5290 [2019-12-07 17:10:22,160 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:10:22,160 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:10:22,163 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] [2019-12-07 17:10:22,163 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] [2019-12-07 17:10:22,164 INFO L794 eck$LassoCheckResult]: Stem: 37992#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(10);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string88.base, #t~string88.offset, 1);call write~init~int(95, #t~string88.base, 1 + #t~string88.offset, 1);call write~init~int(93, #t~string88.base, 2 + #t~string88.offset, 1);call write~init~int(0, #t~string88.base, 3 + #t~string88.offset, 1);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string90.base, #t~string90.offset, 1);call write~init~int(93, #t~string90.base, 1 + #t~string90.offset, 1);call write~init~int(32, #t~string90.base, 2 + #t~string90.offset, 1);call write~init~int(0, #t~string90.base, 3 + #t~string90.offset, 1);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string92.base, #t~string92.offset, 1);call write~init~int(97, #t~string92.base, 1 + #t~string92.offset, 1);call write~init~int(116, #t~string92.base, 2 + #t~string92.offset, 1);call write~init~int(32, #t~string92.base, 3 + #t~string92.offset, 1);call write~init~int(0, #t~string92.base, 4 + #t~string92.offset, 1);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string94.base, #t~string94.offset, 1);call write~init~int(105, #t~string94.base, 1 + #t~string94.offset, 1);call write~init~int(0, #t~string94.base, 2 + #t~string94.offset, 1);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(10);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string98.base, #t~string98.offset, 1);call write~init~int(112, #t~string98.base, 1 + #t~string98.offset, 1);call write~init~int(0, #t~string98.base, 2 + #t~string98.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string100.base, #t~string100.offset, 1);call write~init~int(111, #t~string100.base, 1 + #t~string100.offset, 1);call write~init~int(119, #t~string100.base, 2 + #t~string100.offset, 1);call write~init~int(110, #t~string100.base, 3 + #t~string100.offset, 1);call write~init~int(0, #t~string100.base, 4 + #t~string100.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string102.base, #t~string102.offset, 1);call write~init~int(73, #t~string102.base, 1 + #t~string102.offset, 1);call write~init~int(76, #t~string102.base, 2 + #t~string102.offset, 1);call write~init~int(95, #t~string102.base, 3 + #t~string102.offset, 1);call write~init~int(112, #t~string102.base, 4 + #t~string102.offset, 1);call write~init~int(58, #t~string102.base, 5 + #t~string102.offset, 1);call write~init~int(0, #t~string102.base, 6 + #t~string102.offset, 1);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string104.base, #t~string104.offset, 1);call write~init~int(37, #t~string104.base, 1 + #t~string104.offset, 1);call write~init~int(105, #t~string104.base, 2 + #t~string104.offset, 1);call write~init~int(0, #t~string104.base, 3 + #t~string104.offset, 1);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string106.base, #t~string106.offset, 1);call write~init~int(37, #t~string106.base, 1 + #t~string106.offset, 1);call write~init~int(105, #t~string106.base, 2 + #t~string106.offset, 1);call write~init~int(0, #t~string106.base, 3 + #t~string106.offset, 1);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string108.base, #t~string108.offset, 1);call write~init~int(37, #t~string108.base, 1 + #t~string108.offset, 1);call write~init~int(105, #t~string108.base, 2 + #t~string108.offset, 1);call write~init~int(0, #t~string108.base, 3 + #t~string108.offset, 1);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string110.base, #t~string110.offset, 1);call write~init~int(37, #t~string110.base, 1 + #t~string110.offset, 1);call write~init~int(105, #t~string110.base, 2 + #t~string110.offset, 1);call write~init~int(0, #t~string110.base, 3 + #t~string110.offset, 1);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string112.base, #t~string112.offset, 1);call write~init~int(37, #t~string112.base, 1 + #t~string112.offset, 1);call write~init~int(105, #t~string112.base, 2 + #t~string112.offset, 1);call write~init~int(0, #t~string112.base, 3 + #t~string112.offset, 1);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string114.base, #t~string114.offset, 1);call write~init~int(70, #t~string114.base, 1 + #t~string114.offset, 1);call write~init~int(95, #t~string114.base, 2 + #t~string114.offset, 1);call write~init~int(112, #t~string114.base, 3 + #t~string114.offset, 1);call write~init~int(58, #t~string114.base, 4 + #t~string114.offset, 1);call write~init~int(0, #t~string114.base, 5 + #t~string114.offset, 1);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string117.base, #t~string117.offset, 1);call write~init~int(37, #t~string117.base, 1 + #t~string117.offset, 1);call write~init~int(105, #t~string117.base, 2 + #t~string117.offset, 1);call write~init~int(0, #t~string117.base, 3 + #t~string117.offset, 1);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string120.base, #t~string120.offset, 1);call write~init~int(37, #t~string120.base, 1 + #t~string120.offset, 1);call write~init~int(105, #t~string120.base, 2 + #t~string120.offset, 1);call write~init~int(0, #t~string120.base, 3 + #t~string120.offset, 1);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string123.base, #t~string123.offset, 1);call write~init~int(37, #t~string123.base, 1 + #t~string123.offset, 1);call write~init~int(105, #t~string123.base, 2 + #t~string123.offset, 1);call write~init~int(0, #t~string123.base, 3 + #t~string123.offset, 1);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string126.base, #t~string126.offset, 1);call write~init~int(37, #t~string126.base, 1 + #t~string126.offset, 1);call write~init~int(105, #t~string126.base, 2 + #t~string126.offset, 1);call write~init~int(0, #t~string126.base, 3 + #t~string126.offset, 1);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string129.base, #t~string129.offset, 1);call write~init~int(37, #t~string129.base, 1 + #t~string129.offset, 1);call write~init~int(105, #t~string129.base, 2 + #t~string129.offset, 1);call write~init~int(0, #t~string129.base, 3 + #t~string129.offset, 1);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string131.base, #t~string131.offset, 1);call write~init~int(0, #t~string131.base, 1 + #t~string131.offset, 1);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(21);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(21);call #t~string162.base, #t~string162.offset := #Ultimate.allocOnStack(30);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(9);call #t~string164.base, #t~string164.offset := #Ultimate.allocOnStack(25);call #t~string165.base, #t~string165.offset := #Ultimate.allocOnStack(30);call #t~string166.base, #t~string166.offset := #Ultimate.allocOnStack(9);call #t~string167.base, #t~string167.offset := #Ultimate.allocOnStack(25);~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 37993#L-1 havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~7, main_~tmp~11;havoc main_~retValue_acc~7;havoc main_~tmp~11; 37880#L3104 havoc valid_product_#res;havoc valid_product_~retValue_acc~28;havoc valid_product_~retValue_acc~28;valid_product_~retValue_acc~28 := 1;valid_product_#res := valid_product_~retValue_acc~28; 37881#L3112 main_#t~ret25 := valid_product_#res;main_~tmp~11 := main_#t~ret25;havoc main_#t~ret25; 36909#L1453 assume 0 != main_~tmp~11; 36910#L1424 ~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; 37399#L848 havoc bigMacCall_#t~ret18, bigMacCall_~tmp~8;havoc bigMacCall_~tmp~8;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~4;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~4; 36224#L753 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~4 := 4;getOrigin_#res := getOrigin_~retValue_acc~4; 35492#L778 bigMacCall_#t~ret18 := getOrigin_#res;bigMacCall_~tmp~8 := bigMacCall_#t~ret18;havoc bigMacCall_#t~ret18;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~8;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 36148#L399 assume 0 == initPersonOnFloor_~floor; 36338#L400 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 34925#L507-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 35387#L191 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 37739#L203-2 havoc cleanup_#t~ret19, cleanup_#t~ret20, cleanup_~i~2, cleanup_~tmp~9, cleanup_~tmp___0~3, cleanup_~__cil_tmp4~0;havoc cleanup_~i~2;havoc cleanup_~tmp~9;havoc cleanup_~tmp___0~3;havoc cleanup_~__cil_tmp4~0;havoc timeShift_#t~ret75, timeShift_#t~ret76, timeShift_#t~ret77, timeShift_#t~ret78, timeShift_#t~ret79, timeShift_#t~ret80, timeShift_#t~ret81, timeShift_#t~ret82, timeShift_#t~ret83, timeShift_#t~ret84, timeShift_#t~ret85, timeShift_~tmp~25, timeShift_~tmp___0~12, timeShift_~tmp___1~7, timeShift_~tmp___2~5, timeShift_~tmp___3~4, timeShift_~tmp___4~3, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~25;havoc timeShift_~tmp___0~12;havoc timeShift_~tmp___1~7;havoc timeShift_~tmp___2~5;havoc timeShift_~tmp___3~4;havoc timeShift_~tmp___4~3;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~ret59, stopRequestedAtCurrentFloor_#t~ret60, stopRequestedAtCurrentFloor_#t~ret61, stopRequestedAtCurrentFloor_#t~ret62, stopRequestedAtCurrentFloor_~retValue_acc~22, stopRequestedAtCurrentFloor_~tmp~23, stopRequestedAtCurrentFloor_~tmp___0~10;havoc stopRequestedAtCurrentFloor_~retValue_acc~22;havoc stopRequestedAtCurrentFloor_~tmp~23;havoc stopRequestedAtCurrentFloor_~tmp___0~10;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret133, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 36965#L128 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 35336#L155 isExecutiveFloorCalling_#t~ret133 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret133;havoc isExecutiveFloorCalling_#t~ret133;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 35337#L3068 stopRequestedAtCurrentFloor_#t~ret59 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~23 := stopRequestedAtCurrentFloor_#t~ret59;havoc stopRequestedAtCurrentFloor_#t~ret59; 36170#L2453 assume 0 != stopRequestedAtCurrentFloor_~tmp~23;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 36172#L1716 stopRequestedAtCurrentFloor_#t~ret60 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~10 := stopRequestedAtCurrentFloor_#t~ret60;havoc stopRequestedAtCurrentFloor_#t~ret60; 35919#L2457 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~10);stopRequestedAtCurrentFloor_~retValue_acc~22 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~22; 35921#L2470 timeShift_#t~ret75 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret75;havoc timeShift_#t~ret75; 43640#L2605 assume !(0 != timeShift_~tmp___9~2); 43641#L2696 assume !(1 == ~doorState~0); 44865#L2696-2 stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret50, stopRequestedInDirection_#t~ret51, stopRequestedInDirection_#t~ret52, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~18, stopRequestedInDirection_~tmp~19, stopRequestedInDirection_~tmp___0~7, stopRequestedInDirection_~__cil_tmp7~0, stopRequestedInDirection_~__cil_tmp8~1;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~18;havoc stopRequestedInDirection_~tmp~19;havoc stopRequestedInDirection_~tmp___0~7;havoc stopRequestedInDirection_~__cil_tmp7~0;havoc stopRequestedInDirection_~__cil_tmp8~1;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret133, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 44864#L128-3 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 44863#L155-3 isExecutiveFloorCalling_#t~ret133 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret133;havoc isExecutiveFloorCalling_#t~ret133;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 44862#L3068-1 stopRequestedInDirection_#t~ret50 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~7 := stopRequestedInDirection_#t~ret50;havoc stopRequestedInDirection_#t~ret50; 44860#L2308 assume 0 != stopRequestedInDirection_~tmp___0~7;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 44858#L1716-3 stopRequestedInDirection_#t~ret51 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~19 := stopRequestedInDirection_#t~ret51;havoc stopRequestedInDirection_#t~ret51;stopRequestedInDirection_~__cil_tmp7~0 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~1 := (if stopRequestedInDirection_~tmp~19 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~18 := (if stopRequestedInDirection_~__cil_tmp8~1 == stopRequestedInDirection_~__cil_tmp7~0 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~18; 44857#L2321 timeShift_#t~ret82 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret82;havoc timeShift_#t~ret82; 44856#L2704 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret53, continueInDirection_~dir, continueInDirection_~tmp~20;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~20;~currentHeading~0 := continueInDirection_~dir; 36096#L2365 assume !(1 == ~currentHeading~0); 36097#L2375 assume !(0 == ~currentFloorID~0); 35927#L2375-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 37665#L2381-5 havoc __utac_acc__Specification2_spec__3_#t~ret0, __utac_acc__Specification2_spec__3_#t~ret1, __utac_acc__Specification2_spec__3_#t~ret2, __utac_acc__Specification2_spec__3_#t~ret3, __utac_acc__Specification2_spec__3_#t~ret4, __utac_acc__Specification2_spec__3_#t~ret5, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~0, __utac_acc__Specification2_spec__3_~tmp___0~0, __utac_acc__Specification2_spec__3_~tmp___1~0, __utac_acc__Specification2_spec__3_~tmp___2~0, __utac_acc__Specification2_spec__3_~tmp___3~0, __utac_acc__Specification2_spec__3_~tmp___4~0;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~0;havoc __utac_acc__Specification2_spec__3_~tmp___0~0;havoc __utac_acc__Specification2_spec__3_~tmp___1~0;havoc __utac_acc__Specification2_spec__3_~tmp___2~0;havoc __utac_acc__Specification2_spec__3_~tmp___3~0;havoc __utac_acc__Specification2_spec__3_~tmp___4~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 36814#L1716-5 __utac_acc__Specification2_spec__3_#t~ret0 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~0 := __utac_acc__Specification2_spec__3_#t~ret0;havoc __utac_acc__Specification2_spec__3_#t~ret0;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~0; 36815#L893 assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 38665#L894 assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 37490#L1725 __utac_acc__Specification2_spec__3_#t~ret1 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~0 := __utac_acc__Specification2_spec__3_#t~ret1;havoc __utac_acc__Specification2_spec__3_#t~ret1; 37491#L898 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0;~floorButtons_spc2_0~0 := 0; 43024#L953 cleanup_~i~2 := 0; 43022#L1256-2 [2019-12-07 17:10:22,164 INFO L796 eck$LassoCheckResult]: Loop: 43022#L1256-2 assume !false; 43021#L1257 cleanup_~__cil_tmp4~0 := ~cleanupTimeShifts~0 - 1; 43016#L1260 assume cleanup_~i~2 < cleanup_~__cil_tmp4~0;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~8;havoc isBlocked_~retValue_acc~8;isBlocked_~retValue_acc~8 := 0;isBlocked_#res := isBlocked_~retValue_acc~8; 43014#L1539 cleanup_#t~ret19 := isBlocked_#res;cleanup_~tmp___0~3 := cleanup_#t~ret19;havoc cleanup_#t~ret19; 42999#L1264 assume 1 != cleanup_~tmp___0~3; 42995#L1264-1 havoc isIdle_#res;havoc isIdle_#t~ret34, isIdle_~retValue_acc~15, isIdle_~tmp~16;havoc isIdle_~retValue_acc~15;havoc isIdle_~tmp~16;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret29, anyStopRequested_#t~ret30, anyStopRequested_#t~ret31, anyStopRequested_#t~ret32, anyStopRequested_#t~ret33, anyStopRequested_~retValue_acc~14, anyStopRequested_~tmp~15, anyStopRequested_~tmp___0~5, anyStopRequested_~tmp___1~4, anyStopRequested_~tmp___2~2, anyStopRequested_~tmp___3~1;havoc anyStopRequested_~retValue_acc~14;havoc anyStopRequested_~tmp~15;havoc anyStopRequested_~tmp___0~5;havoc anyStopRequested_~tmp___1~4;havoc anyStopRequested_~tmp___2~2;havoc anyStopRequested_~tmp___3~1;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 36845#L128-65 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 36846#L155-65 anyStopRequested_#t~ret29 := isFloorCalling_#res;anyStopRequested_~tmp___3~1 := anyStopRequested_#t~ret29;havoc anyStopRequested_#t~ret29; 35646#L1824 assume 0 != anyStopRequested_~tmp___3~1;anyStopRequested_~retValue_acc~14 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~14; 35578#L1888 isIdle_#t~ret34 := anyStopRequested_#res;isIdle_~tmp~16 := isIdle_#t~ret34;havoc isIdle_#t~ret34;isIdle_~retValue_acc~15 := (if 0 == isIdle_~tmp~16 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~15; 37468#L1901 cleanup_#t~ret20 := isIdle_#res;cleanup_~tmp~9 := cleanup_#t~ret20;havoc cleanup_#t~ret20; 36764#L1276 assume !(0 != cleanup_~tmp~9);havoc timeShift_#t~ret75, timeShift_#t~ret76, timeShift_#t~ret77, timeShift_#t~ret78, timeShift_#t~ret79, timeShift_#t~ret80, timeShift_#t~ret81, timeShift_#t~ret82, timeShift_#t~ret83, timeShift_#t~ret84, timeShift_#t~ret85, timeShift_~tmp~25, timeShift_~tmp___0~12, timeShift_~tmp___1~7, timeShift_~tmp___2~5, timeShift_~tmp___3~4, timeShift_~tmp___4~3, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~25;havoc timeShift_~tmp___0~12;havoc timeShift_~tmp___1~7;havoc timeShift_~tmp___2~5;havoc timeShift_~tmp___3~4;havoc timeShift_~tmp___4~3;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~ret59, stopRequestedAtCurrentFloor_#t~ret60, stopRequestedAtCurrentFloor_#t~ret61, stopRequestedAtCurrentFloor_#t~ret62, stopRequestedAtCurrentFloor_~retValue_acc~22, stopRequestedAtCurrentFloor_~tmp~23, stopRequestedAtCurrentFloor_~tmp___0~10;havoc stopRequestedAtCurrentFloor_~retValue_acc~22;havoc stopRequestedAtCurrentFloor_~tmp~23;havoc stopRequestedAtCurrentFloor_~tmp___0~10;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret133, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 36765#L128-70 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 38854#L155-70 isExecutiveFloorCalling_#t~ret133 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret133;havoc isExecutiveFloorCalling_#t~ret133;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 40947#L3068-3 stopRequestedAtCurrentFloor_#t~ret59 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~23 := stopRequestedAtCurrentFloor_#t~ret59;havoc stopRequestedAtCurrentFloor_#t~ret59; 40945#L2453-1 assume 0 != stopRequestedAtCurrentFloor_~tmp~23;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 39179#L1716-6 stopRequestedAtCurrentFloor_#t~ret60 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~10 := stopRequestedAtCurrentFloor_#t~ret60;havoc stopRequestedAtCurrentFloor_#t~ret60; 39180#L2457-1 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~10);stopRequestedAtCurrentFloor_~retValue_acc~22 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~22; 35924#L2470-1 timeShift_#t~ret75 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret75;havoc timeShift_#t~ret75; 44738#L2605-1 assume !(0 != timeShift_~tmp___9~2); 44739#L2696-3 assume 1 == ~doorState~0;~doorState~0 := 0; 45010#L2696-5 stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret50, stopRequestedInDirection_#t~ret51, stopRequestedInDirection_#t~ret52, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~18, stopRequestedInDirection_~tmp~19, stopRequestedInDirection_~tmp___0~7, stopRequestedInDirection_~__cil_tmp7~0, stopRequestedInDirection_~__cil_tmp8~1;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~18;havoc stopRequestedInDirection_~tmp~19;havoc stopRequestedInDirection_~tmp___0~7;havoc stopRequestedInDirection_~__cil_tmp7~0;havoc stopRequestedInDirection_~__cil_tmp8~1;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret133, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 45009#L128-73 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 45008#L155-73 isExecutiveFloorCalling_#t~ret133 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret133;havoc isExecutiveFloorCalling_#t~ret133;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 45007#L3068-4 stopRequestedInDirection_#t~ret50 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~7 := stopRequestedInDirection_#t~ret50;havoc stopRequestedInDirection_#t~ret50; 45006#L2308-2 assume 0 != stopRequestedInDirection_~tmp___0~7;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 36783#L1716-9 stopRequestedInDirection_#t~ret51 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~19 := stopRequestedInDirection_#t~ret51;havoc stopRequestedInDirection_#t~ret51;stopRequestedInDirection_~__cil_tmp7~0 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~1 := (if stopRequestedInDirection_~tmp~19 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~18 := (if stopRequestedInDirection_~__cil_tmp8~1 == stopRequestedInDirection_~__cil_tmp7~0 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~18; 36784#L2321-2 timeShift_#t~ret82 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret82;havoc timeShift_#t~ret82; 35669#L2704-1 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret53, continueInDirection_~dir, continueInDirection_~tmp~20;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~20;~currentHeading~0 := continueInDirection_~dir; 35671#L2365-3 assume !(1 == ~currentHeading~0); 36105#L2375-9 assume !(0 == ~currentFloorID~0); 36013#L2375-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 37682#L2381-11 havoc __utac_acc__Specification2_spec__3_#t~ret0, __utac_acc__Specification2_spec__3_#t~ret1, __utac_acc__Specification2_spec__3_#t~ret2, __utac_acc__Specification2_spec__3_#t~ret3, __utac_acc__Specification2_spec__3_#t~ret4, __utac_acc__Specification2_spec__3_#t~ret5, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~0, __utac_acc__Specification2_spec__3_~tmp___0~0, __utac_acc__Specification2_spec__3_~tmp___1~0, __utac_acc__Specification2_spec__3_~tmp___2~0, __utac_acc__Specification2_spec__3_~tmp___3~0, __utac_acc__Specification2_spec__3_~tmp___4~0;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~0;havoc __utac_acc__Specification2_spec__3_~tmp___0~0;havoc __utac_acc__Specification2_spec__3_~tmp___1~0;havoc __utac_acc__Specification2_spec__3_~tmp___2~0;havoc __utac_acc__Specification2_spec__3_~tmp___3~0;havoc __utac_acc__Specification2_spec__3_~tmp___4~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 43822#L1716-11 __utac_acc__Specification2_spec__3_#t~ret0 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~0 := __utac_acc__Specification2_spec__3_#t~ret0;havoc __utac_acc__Specification2_spec__3_#t~ret0;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~0; 43820#L893-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 43819#L894-1 assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 43811#L1725-5 __utac_acc__Specification2_spec__3_#t~ret1 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~0 := __utac_acc__Specification2_spec__3_#t~ret1;havoc __utac_acc__Specification2_spec__3_#t~ret1; 43027#L898-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0;~floorButtons_spc2_0~0 := 0; 43023#L953-1 cleanup_~i~2 := 1 + cleanup_~i~2; 43022#L1256-2 [2019-12-07 17:10:22,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:10:22,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1882106937, now seen corresponding path program 2 times [2019-12-07 17:10:22,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:10:22,165 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507834043] [2019-12-07 17:10:22,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:10:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:10:22,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:10:22,214 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507834043] [2019-12-07 17:10:22,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:10:22,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:10:22,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745685393] [2019-12-07 17:10:22,215 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 17:10:22,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:10:22,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1074717916, now seen corresponding path program 1 times [2019-12-07 17:10:22,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:10:22,216 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425468358] [2019-12-07 17:10:22,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:10:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:10:22,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:10:22,253 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425468358] [2019-12-07 17:10:22,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:10:22,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 17:10:22,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960147025] [2019-12-07 17:10:22,254 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 17:10:22,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:10:22,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:10:22,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:10:22,255 INFO L87 Difference]: Start difference. First operand 10466 states and 19626 transitions. cyclomatic complexity: 9162 Second operand 5 states. [2019-12-07 17:10:22,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:10:22,758 INFO L93 Difference]: Finished difference Result 35975 states and 67246 transitions. [2019-12-07 17:10:22,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 17:10:22,759 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35975 states and 67246 transitions. [2019-12-07 17:10:22,852 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28369 [2019-12-07 17:10:22,929 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35975 states to 35975 states and 67246 transitions. [2019-12-07 17:10:22,929 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35975 [2019-12-07 17:10:22,949 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35975 [2019-12-07 17:10:22,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35975 states and 67246 transitions. [2019-12-07 17:10:22,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:10:22,965 INFO L688 BuchiCegarLoop]: Abstraction has 35975 states and 67246 transitions. [2019-12-07 17:10:22,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35975 states and 67246 transitions. [2019-12-07 17:10:23,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35975 to 15343. [2019-12-07 17:10:23,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15343 states. [2019-12-07 17:10:23,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15343 states to 15343 states and 28668 transitions. [2019-12-07 17:10:23,193 INFO L711 BuchiCegarLoop]: Abstraction has 15343 states and 28668 transitions. [2019-12-07 17:10:23,193 INFO L591 BuchiCegarLoop]: Abstraction has 15343 states and 28668 transitions. [2019-12-07 17:10:23,193 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 17:10:23,193 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15343 states and 28668 transitions. [2019-12-07 17:10:23,222 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7836 [2019-12-07 17:10:23,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:10:23,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:10:23,225 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] [2019-12-07 17:10:23,225 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] [2019-12-07 17:10:23,226 INFO L794 eck$LassoCheckResult]: Stem: 84556#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(10);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string88.base, #t~string88.offset, 1);call write~init~int(95, #t~string88.base, 1 + #t~string88.offset, 1);call write~init~int(93, #t~string88.base, 2 + #t~string88.offset, 1);call write~init~int(0, #t~string88.base, 3 + #t~string88.offset, 1);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string90.base, #t~string90.offset, 1);call write~init~int(93, #t~string90.base, 1 + #t~string90.offset, 1);call write~init~int(32, #t~string90.base, 2 + #t~string90.offset, 1);call write~init~int(0, #t~string90.base, 3 + #t~string90.offset, 1);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string92.base, #t~string92.offset, 1);call write~init~int(97, #t~string92.base, 1 + #t~string92.offset, 1);call write~init~int(116, #t~string92.base, 2 + #t~string92.offset, 1);call write~init~int(32, #t~string92.base, 3 + #t~string92.offset, 1);call write~init~int(0, #t~string92.base, 4 + #t~string92.offset, 1);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string94.base, #t~string94.offset, 1);call write~init~int(105, #t~string94.base, 1 + #t~string94.offset, 1);call write~init~int(0, #t~string94.base, 2 + #t~string94.offset, 1);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(10);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string98.base, #t~string98.offset, 1);call write~init~int(112, #t~string98.base, 1 + #t~string98.offset, 1);call write~init~int(0, #t~string98.base, 2 + #t~string98.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string100.base, #t~string100.offset, 1);call write~init~int(111, #t~string100.base, 1 + #t~string100.offset, 1);call write~init~int(119, #t~string100.base, 2 + #t~string100.offset, 1);call write~init~int(110, #t~string100.base, 3 + #t~string100.offset, 1);call write~init~int(0, #t~string100.base, 4 + #t~string100.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string102.base, #t~string102.offset, 1);call write~init~int(73, #t~string102.base, 1 + #t~string102.offset, 1);call write~init~int(76, #t~string102.base, 2 + #t~string102.offset, 1);call write~init~int(95, #t~string102.base, 3 + #t~string102.offset, 1);call write~init~int(112, #t~string102.base, 4 + #t~string102.offset, 1);call write~init~int(58, #t~string102.base, 5 + #t~string102.offset, 1);call write~init~int(0, #t~string102.base, 6 + #t~string102.offset, 1);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string104.base, #t~string104.offset, 1);call write~init~int(37, #t~string104.base, 1 + #t~string104.offset, 1);call write~init~int(105, #t~string104.base, 2 + #t~string104.offset, 1);call write~init~int(0, #t~string104.base, 3 + #t~string104.offset, 1);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string106.base, #t~string106.offset, 1);call write~init~int(37, #t~string106.base, 1 + #t~string106.offset, 1);call write~init~int(105, #t~string106.base, 2 + #t~string106.offset, 1);call write~init~int(0, #t~string106.base, 3 + #t~string106.offset, 1);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string108.base, #t~string108.offset, 1);call write~init~int(37, #t~string108.base, 1 + #t~string108.offset, 1);call write~init~int(105, #t~string108.base, 2 + #t~string108.offset, 1);call write~init~int(0, #t~string108.base, 3 + #t~string108.offset, 1);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string110.base, #t~string110.offset, 1);call write~init~int(37, #t~string110.base, 1 + #t~string110.offset, 1);call write~init~int(105, #t~string110.base, 2 + #t~string110.offset, 1);call write~init~int(0, #t~string110.base, 3 + #t~string110.offset, 1);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string112.base, #t~string112.offset, 1);call write~init~int(37, #t~string112.base, 1 + #t~string112.offset, 1);call write~init~int(105, #t~string112.base, 2 + #t~string112.offset, 1);call write~init~int(0, #t~string112.base, 3 + #t~string112.offset, 1);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string114.base, #t~string114.offset, 1);call write~init~int(70, #t~string114.base, 1 + #t~string114.offset, 1);call write~init~int(95, #t~string114.base, 2 + #t~string114.offset, 1);call write~init~int(112, #t~string114.base, 3 + #t~string114.offset, 1);call write~init~int(58, #t~string114.base, 4 + #t~string114.offset, 1);call write~init~int(0, #t~string114.base, 5 + #t~string114.offset, 1);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string117.base, #t~string117.offset, 1);call write~init~int(37, #t~string117.base, 1 + #t~string117.offset, 1);call write~init~int(105, #t~string117.base, 2 + #t~string117.offset, 1);call write~init~int(0, #t~string117.base, 3 + #t~string117.offset, 1);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string120.base, #t~string120.offset, 1);call write~init~int(37, #t~string120.base, 1 + #t~string120.offset, 1);call write~init~int(105, #t~string120.base, 2 + #t~string120.offset, 1);call write~init~int(0, #t~string120.base, 3 + #t~string120.offset, 1);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string123.base, #t~string123.offset, 1);call write~init~int(37, #t~string123.base, 1 + #t~string123.offset, 1);call write~init~int(105, #t~string123.base, 2 + #t~string123.offset, 1);call write~init~int(0, #t~string123.base, 3 + #t~string123.offset, 1);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string126.base, #t~string126.offset, 1);call write~init~int(37, #t~string126.base, 1 + #t~string126.offset, 1);call write~init~int(105, #t~string126.base, 2 + #t~string126.offset, 1);call write~init~int(0, #t~string126.base, 3 + #t~string126.offset, 1);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string129.base, #t~string129.offset, 1);call write~init~int(37, #t~string129.base, 1 + #t~string129.offset, 1);call write~init~int(105, #t~string129.base, 2 + #t~string129.offset, 1);call write~init~int(0, #t~string129.base, 3 + #t~string129.offset, 1);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string131.base, #t~string131.offset, 1);call write~init~int(0, #t~string131.base, 1 + #t~string131.offset, 1);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(21);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(21);call #t~string162.base, #t~string162.offset := #Ultimate.allocOnStack(30);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(9);call #t~string164.base, #t~string164.offset := #Ultimate.allocOnStack(25);call #t~string165.base, #t~string165.offset := #Ultimate.allocOnStack(30);call #t~string166.base, #t~string166.offset := #Ultimate.allocOnStack(9);call #t~string167.base, #t~string167.offset := #Ultimate.allocOnStack(25);~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~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;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 84557#L-1 havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~7, main_~tmp~11;havoc main_~retValue_acc~7;havoc main_~tmp~11; 84452#L3104 havoc valid_product_#res;havoc valid_product_~retValue_acc~28;havoc valid_product_~retValue_acc~28;valid_product_~retValue_acc~28 := 1;valid_product_#res := valid_product_~retValue_acc~28; 84453#L3112 main_#t~ret25 := valid_product_#res;main_~tmp~11 := main_#t~ret25;havoc main_#t~ret25; 83407#L1453 assume 0 != main_~tmp~11; 83408#L1424 ~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; 83949#L848 havoc bigMacCall_#t~ret18, bigMacCall_~tmp~8;havoc bigMacCall_~tmp~8;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~4;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~4; 82703#L753 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~4 := 4;getOrigin_#res := getOrigin_~retValue_acc~4; 81956#L778 bigMacCall_#t~ret18 := getOrigin_#res;bigMacCall_~tmp~8 := bigMacCall_#t~ret18;havoc bigMacCall_#t~ret18;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~8;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 82605#L399 assume 0 == initPersonOnFloor_~floor; 82818#L400 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 81390#L507-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 81848#L191 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 84299#L203-2 havoc cleanup_#t~ret19, cleanup_#t~ret20, cleanup_~i~2, cleanup_~tmp~9, cleanup_~tmp___0~3, cleanup_~__cil_tmp4~0;havoc cleanup_~i~2;havoc cleanup_~tmp~9;havoc cleanup_~tmp___0~3;havoc cleanup_~__cil_tmp4~0;havoc timeShift_#t~ret75, timeShift_#t~ret76, timeShift_#t~ret77, timeShift_#t~ret78, timeShift_#t~ret79, timeShift_#t~ret80, timeShift_#t~ret81, timeShift_#t~ret82, timeShift_#t~ret83, timeShift_#t~ret84, timeShift_#t~ret85, timeShift_~tmp~25, timeShift_~tmp___0~12, timeShift_~tmp___1~7, timeShift_~tmp___2~5, timeShift_~tmp___3~4, timeShift_~tmp___4~3, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~25;havoc timeShift_~tmp___0~12;havoc timeShift_~tmp___1~7;havoc timeShift_~tmp___2~5;havoc timeShift_~tmp___3~4;havoc timeShift_~tmp___4~3;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~ret59, stopRequestedAtCurrentFloor_#t~ret60, stopRequestedAtCurrentFloor_#t~ret61, stopRequestedAtCurrentFloor_#t~ret62, stopRequestedAtCurrentFloor_~retValue_acc~22, stopRequestedAtCurrentFloor_~tmp~23, stopRequestedAtCurrentFloor_~tmp___0~10;havoc stopRequestedAtCurrentFloor_~retValue_acc~22;havoc stopRequestedAtCurrentFloor_~tmp~23;havoc stopRequestedAtCurrentFloor_~tmp___0~10;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret133, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 83476#L128 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 81797#L155 isExecutiveFloorCalling_#t~ret133 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret133;havoc isExecutiveFloorCalling_#t~ret133;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 81798#L3068 stopRequestedAtCurrentFloor_#t~ret59 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~23 := stopRequestedAtCurrentFloor_#t~ret59;havoc stopRequestedAtCurrentFloor_#t~ret59; 82618#L2453 assume 0 != stopRequestedAtCurrentFloor_~tmp~23;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 82637#L1716 stopRequestedAtCurrentFloor_#t~ret60 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~10 := stopRequestedAtCurrentFloor_#t~ret60;havoc stopRequestedAtCurrentFloor_#t~ret60; 82380#L2457 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~10);stopRequestedAtCurrentFloor_~retValue_acc~22 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~22; 82382#L2470 timeShift_#t~ret75 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret75;havoc timeShift_#t~ret75; 84964#L2605 assume !(0 != timeShift_~tmp___9~2); 83912#L2696 assume !(1 == ~doorState~0); 83914#L2696-2 stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret50, stopRequestedInDirection_#t~ret51, stopRequestedInDirection_#t~ret52, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~18, stopRequestedInDirection_~tmp~19, stopRequestedInDirection_~tmp___0~7, stopRequestedInDirection_~__cil_tmp7~0, stopRequestedInDirection_~__cil_tmp8~1;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~18;havoc stopRequestedInDirection_~tmp~19;havoc stopRequestedInDirection_~tmp___0~7;havoc stopRequestedInDirection_~__cil_tmp7~0;havoc stopRequestedInDirection_~__cil_tmp8~1;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret133, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 85745#L128-3 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 85746#L155-3 isExecutiveFloorCalling_#t~ret133 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret133;havoc isExecutiveFloorCalling_#t~ret133;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 85741#L3068-1 stopRequestedInDirection_#t~ret50 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~7 := stopRequestedInDirection_#t~ret50;havoc stopRequestedInDirection_#t~ret50; 85742#L2308 assume 0 != stopRequestedInDirection_~tmp___0~7;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 83302#L1716-3 stopRequestedInDirection_#t~ret51 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~19 := stopRequestedInDirection_#t~ret51;havoc stopRequestedInDirection_#t~ret51;stopRequestedInDirection_~__cil_tmp7~0 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~1 := (if stopRequestedInDirection_~tmp~19 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~18 := (if stopRequestedInDirection_~__cil_tmp8~1 == stopRequestedInDirection_~__cil_tmp7~0 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~18; 83303#L2321 timeShift_#t~ret82 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret82;havoc timeShift_#t~ret82; 82134#L2704 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret53, continueInDirection_~dir, continueInDirection_~tmp~20;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~20;~currentHeading~0 := continueInDirection_~dir; 82135#L2365 assume !(1 == ~currentHeading~0); 85259#L2375 assume !(0 == ~currentFloorID~0); 82388#L2375-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 92545#L2381-5 havoc __utac_acc__Specification2_spec__3_#t~ret0, __utac_acc__Specification2_spec__3_#t~ret1, __utac_acc__Specification2_spec__3_#t~ret2, __utac_acc__Specification2_spec__3_#t~ret3, __utac_acc__Specification2_spec__3_#t~ret4, __utac_acc__Specification2_spec__3_#t~ret5, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~0, __utac_acc__Specification2_spec__3_~tmp___0~0, __utac_acc__Specification2_spec__3_~tmp___1~0, __utac_acc__Specification2_spec__3_~tmp___2~0, __utac_acc__Specification2_spec__3_~tmp___3~0, __utac_acc__Specification2_spec__3_~tmp___4~0;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~0;havoc __utac_acc__Specification2_spec__3_~tmp___0~0;havoc __utac_acc__Specification2_spec__3_~tmp___1~0;havoc __utac_acc__Specification2_spec__3_~tmp___2~0;havoc __utac_acc__Specification2_spec__3_~tmp___3~0;havoc __utac_acc__Specification2_spec__3_~tmp___4~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 92544#L1716-5 __utac_acc__Specification2_spec__3_#t~ret0 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~0 := __utac_acc__Specification2_spec__3_#t~ret0;havoc __utac_acc__Specification2_spec__3_#t~ret0;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~0; 92543#L893 assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 92542#L894 assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 92541#L1725 __utac_acc__Specification2_spec__3_#t~ret1 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~0 := __utac_acc__Specification2_spec__3_#t~ret1;havoc __utac_acc__Specification2_spec__3_#t~ret1; 92538#L898 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0;~floorButtons_spc2_0~0 := 0; 92540#L953 cleanup_~i~2 := 0; 95189#L1256-2 [2019-12-07 17:10:23,226 INFO L796 eck$LassoCheckResult]: Loop: 95189#L1256-2 assume !false; 95188#L1257 cleanup_~__cil_tmp4~0 := ~cleanupTimeShifts~0 - 1; 95187#L1260 assume cleanup_~i~2 < cleanup_~__cil_tmp4~0;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~8;havoc isBlocked_~retValue_acc~8;isBlocked_~retValue_acc~8 := 0;isBlocked_#res := isBlocked_~retValue_acc~8; 95186#L1539 cleanup_#t~ret19 := isBlocked_#res;cleanup_~tmp___0~3 := cleanup_#t~ret19;havoc cleanup_#t~ret19; 95185#L1264 assume 1 != cleanup_~tmp___0~3; 95184#L1264-1 havoc isIdle_#res;havoc isIdle_#t~ret34, isIdle_~retValue_acc~15, isIdle_~tmp~16;havoc isIdle_~retValue_acc~15;havoc isIdle_~tmp~16;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret29, anyStopRequested_#t~ret30, anyStopRequested_#t~ret31, anyStopRequested_#t~ret32, anyStopRequested_#t~ret33, anyStopRequested_~retValue_acc~14, anyStopRequested_~tmp~15, anyStopRequested_~tmp___0~5, anyStopRequested_~tmp___1~4, anyStopRequested_~tmp___2~2, anyStopRequested_~tmp___3~1;havoc anyStopRequested_~retValue_acc~14;havoc anyStopRequested_~tmp~15;havoc anyStopRequested_~tmp___0~5;havoc anyStopRequested_~tmp___1~4;havoc anyStopRequested_~tmp___2~2;havoc anyStopRequested_~tmp___3~1;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 95183#L128-65 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 95182#L155-65 anyStopRequested_#t~ret29 := isFloorCalling_#res;anyStopRequested_~tmp___3~1 := anyStopRequested_#t~ret29;havoc anyStopRequested_#t~ret29; 92483#L1824 assume 0 != anyStopRequested_~tmp___3~1;anyStopRequested_~retValue_acc~14 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~14; 92478#L1888 isIdle_#t~ret34 := anyStopRequested_#res;isIdle_~tmp~16 := isIdle_#t~ret34;havoc isIdle_#t~ret34;isIdle_~retValue_acc~15 := (if 0 == isIdle_~tmp~16 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~15; 92477#L1901 cleanup_#t~ret20 := isIdle_#res;cleanup_~tmp~9 := cleanup_#t~ret20;havoc cleanup_#t~ret20; 92476#L1276 assume !(0 != cleanup_~tmp~9);havoc timeShift_#t~ret75, timeShift_#t~ret76, timeShift_#t~ret77, timeShift_#t~ret78, timeShift_#t~ret79, timeShift_#t~ret80, timeShift_#t~ret81, timeShift_#t~ret82, timeShift_#t~ret83, timeShift_#t~ret84, timeShift_#t~ret85, timeShift_~tmp~25, timeShift_~tmp___0~12, timeShift_~tmp___1~7, timeShift_~tmp___2~5, timeShift_~tmp___3~4, timeShift_~tmp___4~3, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~25;havoc timeShift_~tmp___0~12;havoc timeShift_~tmp___1~7;havoc timeShift_~tmp___2~5;havoc timeShift_~tmp___3~4;havoc timeShift_~tmp___4~3;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~ret59, stopRequestedAtCurrentFloor_#t~ret60, stopRequestedAtCurrentFloor_#t~ret61, stopRequestedAtCurrentFloor_#t~ret62, stopRequestedAtCurrentFloor_~retValue_acc~22, stopRequestedAtCurrentFloor_~tmp~23, stopRequestedAtCurrentFloor_~tmp___0~10;havoc stopRequestedAtCurrentFloor_~retValue_acc~22;havoc stopRequestedAtCurrentFloor_~tmp~23;havoc stopRequestedAtCurrentFloor_~tmp___0~10;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret133, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 92475#L128-70 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 86529#L155-70 isExecutiveFloorCalling_#t~ret133 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret133;havoc isExecutiveFloorCalling_#t~ret133;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 92471#L3068-3 stopRequestedAtCurrentFloor_#t~ret59 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~23 := stopRequestedAtCurrentFloor_#t~ret59;havoc stopRequestedAtCurrentFloor_#t~ret59; 92469#L2453-1 assume 0 != stopRequestedAtCurrentFloor_~tmp~23;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 92468#L1716-6 stopRequestedAtCurrentFloor_#t~ret60 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~10 := stopRequestedAtCurrentFloor_#t~ret60;havoc stopRequestedAtCurrentFloor_#t~ret60; 92467#L2457-1 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~10);stopRequestedAtCurrentFloor_~retValue_acc~22 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~22; 82385#L2470-1 timeShift_#t~ret75 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret75;havoc timeShift_#t~ret75; 95230#L2605-1 assume !(0 != timeShift_~tmp___9~2); 95159#L2696-3 assume !(1 == ~doorState~0); 83904#L2696-5 stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret50, stopRequestedInDirection_#t~ret51, stopRequestedInDirection_#t~ret52, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~18, stopRequestedInDirection_~tmp~19, stopRequestedInDirection_~tmp___0~7, stopRequestedInDirection_~__cil_tmp7~0, stopRequestedInDirection_~__cil_tmp8~1;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~18;havoc stopRequestedInDirection_~tmp~19;havoc stopRequestedInDirection_~tmp___0~7;havoc stopRequestedInDirection_~__cil_tmp7~0;havoc stopRequestedInDirection_~__cil_tmp8~1;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret133, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 83321#L128-73 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 81508#L155-73 isExecutiveFloorCalling_#t~ret133 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret133;havoc isExecutiveFloorCalling_#t~ret133;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 81509#L3068-4 stopRequestedInDirection_#t~ret50 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~7 := stopRequestedInDirection_#t~ret50;havoc stopRequestedInDirection_#t~ret50; 82604#L2308-2 assume 0 != stopRequestedInDirection_~tmp___0~7;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 83277#L1716-9 stopRequestedInDirection_#t~ret51 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~19 := stopRequestedInDirection_#t~ret51;havoc stopRequestedInDirection_#t~ret51;stopRequestedInDirection_~__cil_tmp7~0 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~1 := (if stopRequestedInDirection_~tmp~19 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~18 := (if stopRequestedInDirection_~__cil_tmp8~1 == stopRequestedInDirection_~__cil_tmp7~0 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~18; 83278#L2321-2 timeShift_#t~ret82 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret82;havoc timeShift_#t~ret82; 82131#L2704-1 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret53, continueInDirection_~dir, continueInDirection_~tmp~20;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~20;~currentHeading~0 := continueInDirection_~dir; 82133#L2365-3 assume !(1 == ~currentHeading~0); 85243#L2375-9 assume !(0 == ~currentFloorID~0); 82466#L2375-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 84240#L2381-11 havoc __utac_acc__Specification2_spec__3_#t~ret0, __utac_acc__Specification2_spec__3_#t~ret1, __utac_acc__Specification2_spec__3_#t~ret2, __utac_acc__Specification2_spec__3_#t~ret3, __utac_acc__Specification2_spec__3_#t~ret4, __utac_acc__Specification2_spec__3_#t~ret5, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~0, __utac_acc__Specification2_spec__3_~tmp___0~0, __utac_acc__Specification2_spec__3_~tmp___1~0, __utac_acc__Specification2_spec__3_~tmp___2~0, __utac_acc__Specification2_spec__3_~tmp___3~0, __utac_acc__Specification2_spec__3_~tmp___4~0;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~0;havoc __utac_acc__Specification2_spec__3_~tmp___0~0;havoc __utac_acc__Specification2_spec__3_~tmp___1~0;havoc __utac_acc__Specification2_spec__3_~tmp___2~0;havoc __utac_acc__Specification2_spec__3_~tmp___3~0;havoc __utac_acc__Specification2_spec__3_~tmp___4~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 85048#L1716-11 __utac_acc__Specification2_spec__3_#t~ret0 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~0 := __utac_acc__Specification2_spec__3_#t~ret0;havoc __utac_acc__Specification2_spec__3_#t~ret0;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~0; 85352#L893-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 85353#L894-1 assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 84044#L1725-5 __utac_acc__Specification2_spec__3_#t~ret1 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~0 := __utac_acc__Specification2_spec__3_#t~ret1;havoc __utac_acc__Specification2_spec__3_#t~ret1; 84045#L898-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0;~floorButtons_spc2_0~0 := 0; 81619#L953-1 cleanup_~i~2 := 1 + cleanup_~i~2; 95189#L1256-2 [2019-12-07 17:10:23,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:10:23,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1882106937, now seen corresponding path program 3 times [2019-12-07 17:10:23,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:10:23,227 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445204402] [2019-12-07 17:10:23,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:10:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:10:23,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:10:23,262 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445204402] [2019-12-07 17:10:23,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:10:23,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:10:23,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649214214] [2019-12-07 17:10:23,262 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 17:10:23,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:10:23,262 INFO L82 PathProgramCache]: Analyzing trace with hash -614225826, now seen corresponding path program 1 times [2019-12-07 17:10:23,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:10:23,263 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348792808] [2019-12-07 17:10:23,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:10:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:10:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:10:23,306 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:10:23,728 WARN L192 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 160 [2019-12-07 17:10:24,231 WARN L192 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 124 [2019-12-07 17:10:24,239 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:10:24,240 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:10:24,240 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:10:24,240 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:10:24,240 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 17:10:24,240 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:24,240 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:10:24,240 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:10:24,241 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product31.cil.c_Iteration3_Loop [2019-12-07 17:10:24,241 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:10:24,241 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:10:24,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:24,861 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:10:24,862 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/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 [2019-12-07 17:10:24,866 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:10:24,867 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:10:24,872 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:10:24,872 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_isExecutiveFloorCalling_#t~ret133=0} Honda state: {ULTIMATE.start_isExecutiveFloorCalling_#t~ret133=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/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 [2019-12-07 17:10:24,880 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:10:24,880 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:10:24,882 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:10:24,882 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/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/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 [2019-12-07 17:10:24,887 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:10:24,887 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:10:24,889 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:10:24,890 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_isIdle_#t~ret34=0} Honda state: {ULTIMATE.start_isIdle_#t~ret34=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/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 [2019-12-07 17:10:24,900 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:10:24,901 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:10:24,903 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:10:24,904 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_~tmp___1~4=0} Honda state: {ULTIMATE.start_anyStopRequested_~tmp___1~4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/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 [2019-12-07 17:10:24,908 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:10:24,908 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:10:24,911 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:10:24,911 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_stopRequestedInDirection_#t~ret51=0} Honda state: {ULTIMATE.start_stopRequestedInDirection_#t~ret51=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:24,916 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:10:24,916 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:10:24,919 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:10:24,919 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_#t~ret80=0} Honda state: {ULTIMATE.start_timeShift_#t~ret80=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:24,926 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:10:24,927 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:10:24,931 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:10:24,931 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_isIdle_#res=0, ULTIMATE.start_cleanup_~tmp~9=0, ULTIMATE.start_isIdle_~retValue_acc~15=0} Honda state: {ULTIMATE.start_isIdle_#res=0, ULTIMATE.start_cleanup_~tmp~9=0, ULTIMATE.start_isIdle_~retValue_acc~15=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/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) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:24,936 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:10:24,936 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:10:24,939 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:10:24,939 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_~tmp___2~5=0} Honda state: {ULTIMATE.start_timeShift_~tmp___2~5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/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) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:24,944 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:10:24,944 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:10:24,946 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:10:24,947 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret4=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/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 [2019-12-07 17:10:24,951 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:10:24,951 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:10:24,954 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:10:24,954 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_stopRequestedAtCurrentFloor_#t~ret59=0} Honda state: {ULTIMATE.start_stopRequestedAtCurrentFloor_#t~ret59=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/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) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:24,958 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:10:24,958 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:10:24,961 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:10:24,961 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret2=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:24,965 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:10:24,965 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:10:24,968 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:10:24,968 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret0=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:24,972 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:10:24,972 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:10:24,975 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:10:24,975 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_~tmp___2~2=0} Honda state: {ULTIMATE.start_anyStopRequested_~tmp___2~2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:24,978 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:10:24,979 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:10:24,981 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:10:24,981 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___0~0=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___0~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:24,985 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:10:24,985 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:10:24,988 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:10:24,988 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_#t~ret78=0} Honda state: {ULTIMATE.start_timeShift_#t~ret78=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:24,991 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:10:24,991 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:10:24,994 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:10:24,994 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_#t~ret76=0} Honda state: {ULTIMATE.start_timeShift_#t~ret76=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:24,998 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:10:24,998 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:10:25,000 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:10:25,001 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___3~0=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___3~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:25,004 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:10:25,004 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:10:25,007 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:10:25,007 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_stopRequestedInDirection_#t~ret50=0} Honda state: {ULTIMATE.start_stopRequestedInDirection_#t~ret50=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:25,011 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:10:25,011 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:10:25,015 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:10:25,015 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_stopRequestedInDirection_~respectInLiftCalls=1, ULTIMATE.start_stopRequestedInDirection_#in~respectInLiftCalls=1} Honda state: {ULTIMATE.start_stopRequestedInDirection_~respectInLiftCalls=1, ULTIMATE.start_stopRequestedInDirection_#in~respectInLiftCalls=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:25,019 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:10:25,019 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:25,027 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 17:10:25,027 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:10:25,650 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 17:10:25,652 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:10:25,652 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:10:25,652 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:10:25,652 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:10:25,652 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:10:25,652 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:25,652 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:10:25,652 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:10:25,652 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product31.cil.c_Iteration3_Loop [2019-12-07 17:10:25,652 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:10:25,652 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:10:25,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:25,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:10:26,251 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:10:26,254 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:26,257 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 [2019-12-07 17:10:26,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:10:26,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:10:26,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:10:26,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:10:26,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:10:26,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:10:26,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:10:26,262 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:26,265 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 [2019-12-07 17:10:26,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:10:26,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:10:26,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:10:26,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:10:26,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:10:26,267 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:10:26,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:10:26,268 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:26,272 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 [2019-12-07 17:10:26,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:10:26,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:10:26,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:10:26,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:10:26,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:10:26,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:10:26,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:10:26,274 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 26 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:26,278 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 [2019-12-07 17:10:26,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:10:26,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:10:26,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:10:26,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:10:26,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:10:26,280 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:10:26,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:10:26,281 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:26,285 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 [2019-12-07 17:10:26,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:10:26,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:10:26,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:10:26,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:10:26,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:10:26,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:10:26,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:10:26,289 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:26,292 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 [2019-12-07 17:10:26,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:10:26,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:10:26,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:10:26,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:10:26,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:10:26,294 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:10:26,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:10:26,296 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 29 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:26,321 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 [2019-12-07 17:10:26,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:10:26,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:10:26,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:10:26,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:10:26,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:10:26,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:10:26,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:10:26,324 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 30 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:26,329 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 [2019-12-07 17:10:26,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:10:26,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:10:26,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:10:26,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:10:26,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:10:26,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:10:26,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:10:26,332 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 31 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:26,335 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 [2019-12-07 17:10:26,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:10:26,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:10:26,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:10:26,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:10:26,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:10:26,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:10:26,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:10:26,338 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 32 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:26,342 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 [2019-12-07 17:10:26,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:10:26,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:10:26,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:10:26,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:10:26,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:10:26,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:10:26,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:10:26,345 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 33 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:26,348 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 [2019-12-07 17:10:26,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:10:26,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:10:26,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:10:26,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:10:26,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:10:26,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:10:26,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:10:26,351 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 34 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:26,355 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 [2019-12-07 17:10:26,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:10:26,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:10:26,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:10:26,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:10:26,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:10:26,357 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:10:26,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:10:26,358 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 35 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:26,361 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 [2019-12-07 17:10:26,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:10:26,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:10:26,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:10:26,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:10:26,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:10:26,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:10:26,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:10:26,365 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 36 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:26,369 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 [2019-12-07 17:10:26,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:10:26,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:10:26,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:10:26,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:10:26,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:10:26,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:10:26,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:10:26,372 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 37 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 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:26,375 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 [2019-12-07 17:10:26,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:10:26,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:10:26,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:10:26,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:10:26,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:10:26,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:10:26,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:10:26,378 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 38 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:26,381 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 [2019-12-07 17:10:26,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:10:26,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:10:26,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:10:26,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:10:26,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:10:26,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:10:26,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:10:26,386 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 39 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 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:26,390 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 [2019-12-07 17:10:26,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:10:26,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:10:26,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:10:26,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:10:26,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:10:26,392 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:10:26,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:10:26,393 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 40 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 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:26,400 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 [2019-12-07 17:10:26,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:10:26,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:10:26,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:10:26,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:10:26,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:10:26,401 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:10:26,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:10:26,403 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 41 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 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:26,407 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 [2019-12-07 17:10:26,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:10:26,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:10:26,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:10:26,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:10:26,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:10:26,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:10:26,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:10:26,410 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 42 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:26,413 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 [2019-12-07 17:10:26,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:10:26,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:10:26,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:10:26,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:10:26,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:10:26,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:10:26,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:10:26,417 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:10:26,421 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-12-07 17:10:26,422 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7d66c0e-eb9b-41a7-ae10-e212b40e0e10/bin/uautomizer/z3 Starting monitored process 43 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 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:10:26,425 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:10:26,425 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 17:10:26,425 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:10:26,426 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(~cleanupTimeShifts~0, ULTIMATE.start_cleanup_~i~2) = 1*~cleanupTimeShifts~0 - 1*ULTIMATE.start_cleanup_~i~2 Supporting invariants [] [2019-12-07 17:10:26,428 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 17:10:26,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:10:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:10:26,530 INFO L264 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:10:26,533 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:10:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:10:26,574 INFO L264 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 17:10:26,575 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:10:26,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:10:26,606 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 [2019-12-07 17:10:26,606 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15343 states and 28668 transitions. cyclomatic complexity: 13327 Second operand 5 states. [2019-12-07 17:10:26,918 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15343 states and 28668 transitions. cyclomatic complexity: 13327. Second operand 5 states. Result 23179 states and 43280 transitions. Complement of second has 8 states. [2019-12-07 17:10:26,919 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 [2019-12-07 17:10:26,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 17:10:26,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6890 transitions. [2019-12-07 17:10:26,928 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6890 transitions. Stem has 41 letters. Loop has 39 letters. [2019-12-07 17:10:26,930 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:10:26,930 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6890 transitions. Stem has 80 letters. Loop has 39 letters. [2019-12-07 17:10:26,931 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:10:26,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6890 transitions. Stem has 41 letters. Loop has 78 letters. [2019-12-07 17:10:26,932 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:10:26,932 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23179 states and 43280 transitions. [2019-12-07 17:10:27,054 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:10:27,054 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23179 states to 0 states and 0 transitions. [2019-12-07 17:10:27,054 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:10:27,054 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:10:27,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:10:27,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:10:27,054 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:10:27,055 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:10:27,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:10:27,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:10:27,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:10:27,055 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-12-07 17:10:27,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:10:27,055 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-12-07 17:10:27,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:10:27,055 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-12-07 17:10:27,055 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:10:27,055 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 17:10:27,056 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:10:27,056 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:10:27,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:10:27,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:10:27,056 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:10:27,056 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:10:27,056 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:10:27,056 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 17:10:27,056 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:10:27,056 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:10:27,056 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 17:10:27,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:10:27 BoogieIcfgContainer [2019-12-07 17:10:27,061 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:10:27,061 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:10:27,061 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:10:27,061 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:10:27,061 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:10:15" (3/4) ... [2019-12-07 17:10:27,064 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:10:27,064 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:10:27,065 INFO L168 Benchmark]: Toolchain (without parser) took 16605.57 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 893.4 MB). Free memory was 939.9 MB in the beginning and 1.2 GB in the end (delta: -275.4 MB). Peak memory consumption was 618.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:10:27,065 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:10:27,066 INFO L168 Benchmark]: CACSL2BoogieTranslator took 502.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 939.9 MB in the beginning and 1.0 GB in the end (delta: -105.7 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:10:27,066 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:10:27,066 INFO L168 Benchmark]: Boogie Preprocessor took 149.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 970.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:10:27,067 INFO L168 Benchmark]: RCFGBuilder took 3930.80 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 102.8 MB). Free memory was 970.4 MB in the beginning and 880.2 MB in the end (delta: 90.2 MB). Peak memory consumption was 298.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:10:27,067 INFO L168 Benchmark]: BuchiAutomizer took 11885.29 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 697.8 MB). Free memory was 880.2 MB in the beginning and 1.2 GB in the end (delta: -335.0 MB). Peak memory consumption was 362.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:10:27,067 INFO L168 Benchmark]: Witness Printer took 2.90 ms. Allocated memory is still 1.9 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:10:27,069 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 502.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 939.9 MB in the beginning and 1.0 GB in the end (delta: -105.7 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 131.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 149.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 970.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3930.80 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 102.8 MB). Free memory was 970.4 MB in the beginning and 880.2 MB in the end (delta: 90.2 MB). Peak memory consumption was 298.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 11885.29 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 697.8 MB). Free memory was 880.2 MB in the beginning and 1.2 GB in the end (delta: -335.0 MB). Peak memory consumption was 362.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.90 ms. Allocated memory is still 1.9 GB. Free memory is still 1.2 GB. 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 11.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 4.2s. Büchi inclusion checks took 2.5s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.4s AutomataMinimizationTime, 2 MinimizatonAttempts, 41202 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.6s Buchi closure took 0.0s. Biggest automaton had 15343 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 27032 SDtfs, 130963 SDslu, 80502 SDs, 0 SdLazy, 5720 SolverSat, 1398 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s 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: 7ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 19 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...