./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec2_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec2_product20.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/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 269b1dcd66966187dec0c4d9b8b9f0d4a847c7a1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:58:03,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:03,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:03,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:03,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:03,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:03,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:03,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:03,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:03,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:03,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:03,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:03,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:03,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:03,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:03,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:03,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:03,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:03,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:03,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:03,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:03,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:03,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:03,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:03,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:03,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:03,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:03,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:03,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:03,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:03,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:03,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:03,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:03,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:03,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:03,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:03,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:03,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:03,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:03,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:03,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:03,397 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:58:03,408 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:03,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:03,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:03,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:03,410 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:03,410 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:58:03,410 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:58:03,411 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:58:03,411 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:58:03,411 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:58:03,411 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:58:03,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:03,412 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:58:03,412 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:58:03,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:58:03,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:58:03,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:03,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:58:03,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:58:03,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:58:03,414 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:58:03,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:03,415 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:58:03,415 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:03,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:58:03,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:03,416 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:03,416 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:58:03,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:03,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:58:03,416 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:58:03,417 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:58:03,417 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/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 -> 269b1dcd66966187dec0c4d9b8b9f0d4a847c7a1 [2019-10-22 08:58:03,447 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:03,463 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:03,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:03,472 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:03,473 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:03,473 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/bin/uautomizer/../../sv-benchmarks/c/product-lines/elevator_spec2_product20.cil.c [2019-10-22 08:58:03,520 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/bin/uautomizer/data/3705e5c94/e588ad32298e4b4184bcd67cc689d23f/FLAGfcad9f9e0 [2019-10-22 08:58:03,987 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:03,987 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/sv-benchmarks/c/product-lines/elevator_spec2_product20.cil.c [2019-10-22 08:58:04,019 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/bin/uautomizer/data/3705e5c94/e588ad32298e4b4184bcd67cc689d23f/FLAGfcad9f9e0 [2019-10-22 08:58:04,299 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/bin/uautomizer/data/3705e5c94/e588ad32298e4b4184bcd67cc689d23f [2019-10-22 08:58:04,302 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:04,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:04,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:04,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:04,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:04,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:04" (1/1) ... [2019-10-22 08:58:04,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@238dfaa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:04, skipping insertion in model container [2019-10-22 08:58:04,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:04" (1/1) ... [2019-10-22 08:58:04,318 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:04,395 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:04,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:04,942 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:05,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:05,100 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:05,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:05 WrapperNode [2019-10-22 08:58:05,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:05,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:05,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:05,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:05,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:05" (1/1) ... [2019-10-22 08:58:05,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:05" (1/1) ... [2019-10-22 08:58:05,354 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:05,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:05,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:05,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:05,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:05" (1/1) ... [2019-10-22 08:58:05,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:05" (1/1) ... [2019-10-22 08:58:05,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:05" (1/1) ... [2019-10-22 08:58:05,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:05" (1/1) ... [2019-10-22 08:58:05,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:05" (1/1) ... [2019-10-22 08:58:05,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:05" (1/1) ... [2019-10-22 08:58:05,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:05" (1/1) ... [2019-10-22 08:58:05,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:05,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:05,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:05,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:05,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:58:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:58:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:13,155 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:58:13,155 INFO L284 CfgBuilder]: Removed 1149 assume(true) statements. [2019-10-22 08:58:13,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:13 BoogieIcfgContainer [2019-10-22 08:58:13,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:58:13,159 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:58:13,160 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:58:13,163 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:58:13,164 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:58:13,164 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:58:04" (1/3) ... [2019-10-22 08:58:13,165 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b0fedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:58:13, skipping insertion in model container [2019-10-22 08:58:13,165 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:58:13,165 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:05" (2/3) ... [2019-10-22 08:58:13,166 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b0fedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:58:13, skipping insertion in model container [2019-10-22 08:58:13,166 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:58:13,166 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:13" (3/3) ... [2019-10-22 08:58:13,167 INFO L371 chiAutomizerObserver]: Analyzing ICFG elevator_spec2_product20.cil.c [2019-10-22 08:58:13,210 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:58:13,210 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:58:13,210 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:58:13,210 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:58:13,210 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:58:13,210 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:58:13,211 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:58:13,211 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:58:13,284 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4823 states. [2019-10-22 08:58:13,407 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2401 [2019-10-22 08:58:13,407 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:58:13,407 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:58:13,420 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] [2019-10-22 08:58:13,420 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] [2019-10-22 08:58:13,420 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:58:13,420 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4823 states. [2019-10-22 08:58:13,459 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2401 [2019-10-22 08:58:13,460 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:58:13,460 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:58:13,462 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] [2019-10-22 08:58:13,462 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] [2019-10-22 08:58:13,468 INFO L791 eck$LassoCheckResult]: Stem: 2667#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(10);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string61.base, #t~string61.offset, 1);call write~init~int(95, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(93, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string63.base, #t~string63.offset, 1);call write~init~int(93, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(32, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string65.base, #t~string65.offset, 1);call write~init~int(97, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string67.base, #t~string67.offset, 1);call write~init~int(105, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(10);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string71.base, #t~string71.offset, 1);call write~init~int(112, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string73.base, #t~string73.offset, 1);call write~init~int(111, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(119, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(110, #t~string73.base, 3 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 4 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string75.base, #t~string75.offset, 1);call write~init~int(73, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(76, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(95, #t~string75.base, 3 + #t~string75.offset, 1);call write~init~int(112, #t~string75.base, 4 + #t~string75.offset, 1);call write~init~int(58, #t~string75.base, 5 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 6 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string77.base, #t~string77.offset, 1);call write~init~int(37, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(105, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 3 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string79.base, #t~string79.offset, 1);call write~init~int(37, #t~string79.base, 1 + #t~string79.offset, 1);call write~init~int(105, #t~string79.base, 2 + #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 3 + #t~string79.offset, 1);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string81.base, #t~string81.offset, 1);call write~init~int(37, #t~string81.base, 1 + #t~string81.offset, 1);call write~init~int(105, #t~string81.base, 2 + #t~string81.offset, 1);call write~init~int(0, #t~string81.base, 3 + #t~string81.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string83.base, #t~string83.offset, 1);call write~init~int(37, #t~string83.base, 1 + #t~string83.offset, 1);call write~init~int(105, #t~string83.base, 2 + #t~string83.offset, 1);call write~init~int(0, #t~string83.base, 3 + #t~string83.offset, 1);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string85.base, #t~string85.offset, 1);call write~init~int(37, #t~string85.base, 1 + #t~string85.offset, 1);call write~init~int(105, #t~string85.base, 2 + #t~string85.offset, 1);call write~init~int(0, #t~string85.base, 3 + #t~string85.offset, 1);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string87.base, #t~string87.offset, 1);call write~init~int(70, #t~string87.base, 1 + #t~string87.offset, 1);call write~init~int(95, #t~string87.base, 2 + #t~string87.offset, 1);call write~init~int(112, #t~string87.base, 3 + #t~string87.offset, 1);call write~init~int(58, #t~string87.base, 4 + #t~string87.offset, 1);call write~init~int(0, #t~string87.base, 5 + #t~string87.offset, 1);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string90.base, #t~string90.offset, 1);call write~init~int(37, #t~string90.base, 1 + #t~string90.offset, 1);call write~init~int(105, #t~string90.base, 2 + #t~string90.offset, 1);call write~init~int(0, #t~string90.base, 3 + #t~string90.offset, 1);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string93.base, #t~string93.offset, 1);call write~init~int(37, #t~string93.base, 1 + #t~string93.offset, 1);call write~init~int(105, #t~string93.base, 2 + #t~string93.offset, 1);call write~init~int(0, #t~string93.base, 3 + #t~string93.offset, 1);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string96.base, #t~string96.offset, 1);call write~init~int(37, #t~string96.base, 1 + #t~string96.offset, 1);call write~init~int(105, #t~string96.base, 2 + #t~string96.offset, 1);call write~init~int(0, #t~string96.base, 3 + #t~string96.offset, 1);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string99.base, #t~string99.offset, 1);call write~init~int(37, #t~string99.base, 1 + #t~string99.offset, 1);call write~init~int(105, #t~string99.base, 2 + #t~string99.offset, 1);call write~init~int(0, #t~string99.base, 3 + #t~string99.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string102.base, #t~string102.offset, 1);call write~init~int(37, #t~string102.base, 1 + #t~string102.offset, 1);call write~init~int(105, #t~string102.base, 2 + #t~string102.offset, 1);call write~init~int(0, #t~string102.base, 3 + #t~string102.offset, 1);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string104.base, #t~string104.offset, 1);call write~init~int(0, #t~string104.base, 1 + #t~string104.offset, 1);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(9);~head~0.base, ~head~0.offset := 0, 0;call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(30);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(9);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(21);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(30);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(9);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(21);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(30);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(9);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(25);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(30);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(9);call #t~string142.base, #t~string142.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;~cleanupTimeShifts~0 := 12; 3715#L-1true havoc main_#res;havoc main_#t~ret165, main_~retValue_acc~26, main_~tmp~28;havoc main_~retValue_acc~26;havoc main_~tmp~28; 1269#L2891true havoc valid_product_#res;havoc valid_product_~retValue_acc~24;havoc valid_product_~retValue_acc~24;valid_product_~retValue_acc~24 := 1;valid_product_#res := valid_product_~retValue_acc~24; 658#L2899true main_#t~ret165 := valid_product_#res;main_~tmp~28 := main_#t~ret165;havoc main_#t~ret165; 1391#L3333true assume 0 != main_~tmp~28; 1500#L3308true ~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; 1767#L60true havoc bigMacCall_#t~ret158, bigMacCall_~tmp~25;havoc bigMacCall_~tmp~25;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~28;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~28; 1583#L3390true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~28 := 4;getOrigin_#res := getOrigin_~retValue_acc~28; 182#L3415true bigMacCall_#t~ret158 := getOrigin_#res;bigMacCall_~tmp~25 := bigMacCall_#t~ret158;havoc bigMacCall_#t~ret158;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~25;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 819#L2544true assume 0 == initPersonOnFloor_~floor; 776#L2545true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 4543#L2652-1true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 1508#L2336true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 1871#L2348-2true havoc cleanup_#t~ret159, cleanup_#t~ret160, cleanup_~i~3, cleanup_~tmp~26, cleanup_~tmp___0~11, cleanup_~__cil_tmp4~2;havoc cleanup_~i~3;havoc cleanup_~tmp~26;havoc cleanup_~tmp___0~11;havoc cleanup_~__cil_tmp4~2;havoc timeShift_#t~ret58, timeShift_~tmp~12;havoc timeShift_~tmp~12;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~2;havoc areDoorsOpen_~retValue_acc~2;areDoorsOpen_~retValue_acc~2 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~2; 2913#L479true timeShift_#t~ret58 := areDoorsOpen_#res;timeShift_~tmp~12 := timeShift_#t~ret58;havoc timeShift_#t~ret58; 4377#L1421true assume 0 != timeShift_~tmp~12; 4283#L1422true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 2915#L1095-11true 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~1;havoc getCurrentFloorID_~retValue_acc~1;getCurrentFloorID_~retValue_acc~1 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~1; 3340#L470-6true __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; 2738#L105true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 2722#L106true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~2;havoc areDoorsOpen_~retValue_acc~2;areDoorsOpen_~retValue_acc~2 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~2; 2897#L479-1true __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; 2673#L110true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0;~floorButtons_spc2_0~0 := 0; 1054#L165true cleanup_~i~3 := 0; 1922#L3140-2true [2019-10-22 08:58:13,468 INFO L793 eck$LassoCheckResult]: Loop: 1922#L3140-2true assume !false; 1863#L3141true cleanup_~__cil_tmp4~2 := ~cleanupTimeShifts~0 - 1; 488#L3144true assume cleanup_~i~3 < cleanup_~__cil_tmp4~2;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~0;havoc isBlocked_~retValue_acc~0;isBlocked_~retValue_acc~0 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~0; 1499#L313true cleanup_#t~ret159 := isBlocked_#res;cleanup_~tmp___0~11 := cleanup_#t~ret159;havoc cleanup_#t~ret159; 336#L3148true assume 1 != cleanup_~tmp___0~11; 338#L3148-1true havoc isIdle_#res;havoc isIdle_#t~ret13, isIdle_~retValue_acc~7, isIdle_~tmp~4;havoc isIdle_~retValue_acc~7;havoc isIdle_~tmp~4;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret8, anyStopRequested_#t~ret9, anyStopRequested_#t~ret10, anyStopRequested_#t~ret11, anyStopRequested_#t~ret12, anyStopRequested_~retValue_acc~6, anyStopRequested_~tmp~3, anyStopRequested_~tmp___0~1, anyStopRequested_~tmp___1~1, anyStopRequested_~tmp___2~1, anyStopRequested_~tmp___3~1;havoc anyStopRequested_~retValue_acc~6;havoc anyStopRequested_~tmp~3;havoc anyStopRequested_~tmp___0~1;havoc anyStopRequested_~tmp___1~1;havoc anyStopRequested_~tmp___2~1;havoc anyStopRequested_~tmp___3~1;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~20;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~20; 1257#L2273-50true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~20 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~20; 4581#L2300-50true anyStopRequested_#t~ret8 := isFloorCalling_#res;anyStopRequested_~tmp___3~1 := anyStopRequested_#t~ret8;havoc anyStopRequested_#t~ret8; 1493#L578true assume 0 != anyStopRequested_~tmp___3~1;anyStopRequested_~retValue_acc~6 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~6; 2233#L642true isIdle_#t~ret13 := anyStopRequested_#res;isIdle_~tmp~4 := isIdle_#t~ret13;havoc isIdle_#t~ret13;isIdle_~retValue_acc~7 := (if 0 == isIdle_~tmp~4 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~7; 2918#L655true cleanup_#t~ret160 := isIdle_#res;cleanup_~tmp~26 := cleanup_#t~ret160;havoc cleanup_#t~ret160; 1051#L3160true assume !(0 != cleanup_~tmp~26);havoc timeShift_#t~ret58, timeShift_~tmp~12;havoc timeShift_~tmp~12;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~2;havoc areDoorsOpen_~retValue_acc~2;areDoorsOpen_~retValue_acc~2 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~2; 2887#L479-6true timeShift_#t~ret58 := areDoorsOpen_#res;timeShift_~tmp~12 := timeShift_#t~ret58;havoc timeShift_#t~ret58; 4379#L1421-1true assume 0 != timeShift_~tmp~12; 4290#L1422-2true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 2905#L1095-23true 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~1;havoc getCurrentFloorID_~retValue_acc~1;getCurrentFloorID_~retValue_acc~1 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~1; 3290#L470-13true __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; 2737#L105-1true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 2700#L106-1true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~2;havoc areDoorsOpen_~retValue_acc~2;areDoorsOpen_~retValue_acc~2 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~2; 2889#L479-7true __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; 2671#L110-2true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0;~floorButtons_spc2_0~0 := 0; 1075#L165-1true cleanup_~i~3 := 1 + cleanup_~i~3; 1922#L3140-2true [2019-10-22 08:58:13,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:13,475 INFO L82 PathProgramCache]: Analyzing trace with hash 875917567, now seen corresponding path program 1 times [2019-10-22 08:58:13,483 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:13,484 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596437313] [2019-10-22 08:58:13,484 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:13,485 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:13,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:13,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:13,746 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596437313] [2019-10-22 08:58:13,747 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:13,747 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:13,748 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024033720] [2019-10-22 08:58:13,752 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-10-22 08:58:13,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:13,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1676387731, now seen corresponding path program 1 times [2019-10-22 08:58:13,752 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:13,753 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98121888] [2019-10-22 08:58:13,753 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:13,753 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:13,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:13,808 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:14,030 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-10-22 08:58:14,302 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-10-22 08:58:14,313 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:58:14,314 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:58:14,314 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:58:14,314 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:58:14,314 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:58:14,314 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:14,314 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:58:14,315 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:58:14,315 INFO L131 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product20.cil.c_Iteration1_Loop [2019-10-22 08:58:14,315 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:58:14,315 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:58:14,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:14,856 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:58:14,857 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:14,871 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:14,871 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:58:14,879 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:58:14,879 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___2~0=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___2~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:14,889 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:14,893 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:58:14,900 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:58:14,900 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_cleanup_#t~ret159=0} Honda state: {ULTIMATE.start_cleanup_#t~ret159=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:14,913 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:14,913 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:58:14,929 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:58:14,929 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_~tmp___1~1=0} Honda state: {ULTIMATE.start_anyStopRequested_~tmp___1~1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:14,946 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:14,946 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:58:14,957 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:58:14,957 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_~tmp___3~1=5, ULTIMATE.start_isFloorCalling_#res=5, ~calls_0~0=5, ULTIMATE.start_isFloorCalling_~retValue_acc~20=5} Honda state: {ULTIMATE.start_anyStopRequested_~tmp___3~1=5, ULTIMATE.start_isFloorCalling_#res=5, ~calls_0~0=5, ULTIMATE.start_isFloorCalling_~retValue_acc~20=5} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/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) [2019-10-22 08:58:14,965 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:14,965 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:14,969 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:58:14,969 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/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/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 [2019-10-22 08:58:15,110 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:15,110 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:58:15,116 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:58:15,116 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_isFloorCalling_#in~floorID=0, ULTIMATE.start_isFloorCalling_~floorID=0} Honda state: {ULTIMATE.start_isFloorCalling_#in~floorID=0, ULTIMATE.start_isFloorCalling_~floorID=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/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 [2019-10-22 08:58:15,135 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:15,135 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:58:15,142 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:58:15,142 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret3=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/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 [2019-10-22 08:58:15,154 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:15,155 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:58:15,158 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:58:15,158 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/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:58:15,170 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:15,170 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:15,175 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:58:15,175 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret1=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/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) [2019-10-22 08:58:15,187 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:15,187 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:15,191 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:58:15,191 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/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:58:15,198 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:15,198 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:15,205 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:58:15,205 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_#t~ret58=0} Honda state: {ULTIMATE.start_timeShift_#t~ret58=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/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) [2019-10-22 08:58:15,214 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:15,214 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:15,218 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:58:15,218 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/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/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 [2019-10-22 08:58:15,230 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:15,230 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:58:15,234 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:58:15,234 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~weight~0=1, ~maximumWeight~0=0} Honda state: {~weight~0=1, ~maximumWeight~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/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 [2019-10-22 08:58:15,238 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:58:15,238 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c9fa3a2-b6e1-4c85-8460-4d49c9964e05/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) [2019-10-22 08:58:15,247 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:58:15,247 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:15,261 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:58:15,264 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:58:15,264 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:58:15,264 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:58:15,264 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:58:15,264 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:58:15,264 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:15,264 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:58:15,264 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:58:15,264 INFO L131 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product20.cil.c_Iteration1_Loop [2019-10-22 08:58:15,264 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:58:15,265 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:58:15,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:15,757 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:58:15,768 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:58:15,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:15,771 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:15,772 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:15,772 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:15,772 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:15,773 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:15,775 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:15,775 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:15,778 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:15,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:15,779 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:15,783 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:15,783 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:15,783 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:15,783 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:15,784 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:15,784 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:15,787 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:15,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:15,788 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:15,788 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:15,788 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:15,788 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:15,788 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:15,789 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:15,789 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:15,790 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:15,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:15,790 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:15,791 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:15,791 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:15,791 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:15,791 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:15,791 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:15,791 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:15,792 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:15,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:15,797 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:15,797 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:15,797 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:15,797 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:15,797 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:15,798 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:15,798 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:15,807 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:15,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:15,808 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:15,808 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:15,808 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:15,808 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:15,808 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:15,809 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:15,809 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:15,810 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:15,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:15,814 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:15,815 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:15,815 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:15,815 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:15,815 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:15,815 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:15,815 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:15,816 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:15,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:15,817 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:15,817 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:15,818 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:15,818 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-10-22 08:58:15,818 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:15,819 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:58:15,819 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:15,840 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:15,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:15,841 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:15,842 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:15,842 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:15,842 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:15,842 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:15,842 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:15,842 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:15,843 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:15,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:15,844 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:15,844 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:15,844 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:15,844 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:15,845 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:15,845 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:15,846 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:15,846 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:15,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:15,847 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:15,847 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:15,847 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:15,848 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:15,848 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:15,848 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:15,848 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:15,850 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:15,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:15,851 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:15,851 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:15,851 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:15,851 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-10-22 08:58:15,851 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:15,852 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:58:15,852 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:15,857 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:15,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:15,858 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:15,858 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:15,858 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:15,858 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-10-22 08:58:15,858 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:15,859 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 08:58:15,860 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:15,872 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:15,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:15,873 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:15,873 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:15,873 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:15,873 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:15,873 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:15,874 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:15,874 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:15,875 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:15,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:15,875 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:15,876 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:15,876 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:15,876 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:15,876 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:15,876 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:15,876 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:15,878 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:15,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:15,879 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:15,879 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:15,879 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:15,879 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:15,879 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:15,880 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:15,880 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:15,884 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:58:15,895 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-10-22 08:58:15,895 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-10-22 08:58:15,897 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:58:15,898 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 08:58:15,898 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:58:15,898 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(~cleanupTimeShifts~0, ULTIMATE.start_cleanup_~i~3) = 1*~cleanupTimeShifts~0 - 1*ULTIMATE.start_cleanup_~i~3 Supporting invariants [] [2019-10-22 08:58:15,902 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 08:58:15,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:16,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:58:16,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:16,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 08:58:16,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:16,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:16,144 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-10-22 08:58:16,146 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4823 states. Second operand 5 states. [2019-10-22 08:58:16,690 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4823 states.. Second operand 5 states. Result 7284 states and 13718 transitions. Complement of second has 9 states. [2019-10-22 08:58:16,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-10-22 08:58:16,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-10-22 08:58:16,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9151 transitions. [2019-10-22 08:58:16,707 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9151 transitions. Stem has 24 letters. Loop has 22 letters. [2019-10-22 08:58:16,708 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:58:16,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9151 transitions. Stem has 46 letters. Loop has 22 letters. [2019-10-22 08:58:16,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:58:16,711 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9151 transitions. Stem has 24 letters. Loop has 44 letters. [2019-10-22 08:58:16,711 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:58:16,712 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7284 states and 13718 transitions. [2019-10-22 08:58:16,790 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:58:16,793 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7284 states to 0 states and 0 transitions. [2019-10-22 08:58:16,794 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:58:16,794 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:58:16,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:58:16,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:58:16,795 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:16,795 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:16,795 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:16,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:16,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:16,801 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-10-22 08:58:16,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:16,804 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-10-22 08:58:16,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:58:16,804 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-10-22 08:58:16,804 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:58:16,805 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:58:16,805 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:58:16,805 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:58:16,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:58:16,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:58:16,805 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:16,805 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:16,805 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:16,806 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:58:16,806 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:58:16,806 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:58:16,806 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:58:16,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:58:16 BoogieIcfgContainer [2019-10-22 08:58:16,812 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:58:16,813 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:58:16,813 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:58:16,813 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:58:16,814 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:13" (3/4) ... [2019-10-22 08:58:16,817 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:58:16,818 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:58:16,819 INFO L168 Benchmark]: Toolchain (without parser) took 12515.58 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 566.2 MB). Free memory was 940.5 MB in the beginning and 1.0 GB in the end (delta: -104.8 MB). Peak memory consumption was 461.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:16,820 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:16,821 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -129.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:16,822 INFO L168 Benchmark]: Boogie Procedure Inliner took 252.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:16,823 INFO L168 Benchmark]: Boogie Preprocessor took 274.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 975.0 MB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:16,824 INFO L168 Benchmark]: RCFGBuilder took 7529.77 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 197.7 MB). Free memory was 975.0 MB in the beginning and 1.1 GB in the end (delta: -93.5 MB). Peak memory consumption was 430.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:16,825 INFO L168 Benchmark]: BuchiAutomizer took 3653.25 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 246.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 23.3 MB). Peak memory consumption was 269.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:16,828 INFO L168 Benchmark]: Witness Printer took 4.70 ms. Allocated memory is still 1.6 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:16,831 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 797.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -129.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 252.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 274.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 975.0 MB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 7529.77 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 197.7 MB). Free memory was 975.0 MB in the beginning and 1.1 GB in the end (delta: -93.5 MB). Peak memory consumption was 430.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3653.25 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 246.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 23.3 MB). Peak memory consumption was 269.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.70 ms. Allocated memory is still 1.6 GB. Free memory is still 1.0 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function cleanupTimeShifts + -1 * i and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9117 SDtfs, 18200 SDslu, 4575 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital109 mio100 ax100 hnf100 lsp16 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq211 hnf89 smp100 dnf176 smp100 tf103 neg96 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 13 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...