./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec2_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec2_product22.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/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 496f188e29fc9ae7e4557430f30be7ed50f3ccf7 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 00:12:33,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:12:33,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:12:33,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:12:33,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:12:33,572 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:12:33,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:12:33,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:12:33,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:12:33,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:12:33,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:12:33,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:12:33,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:12:33,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:12:33,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:12:33,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:12:33,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:12:33,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:12:33,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:12:33,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:12:33,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:12:33,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:12:33,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:12:33,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:12:33,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:12:33,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:12:33,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:12:33,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:12:33,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:12:33,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:12:33,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:12:33,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:12:33,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:12:33,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:12:33,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:12:33,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:12:33,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:12:33,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:12:33,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:12:33,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:12:33,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:12:33,629 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 00:12:33,654 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:12:33,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:12:33,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:12:33,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:12:33,655 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:12:33,656 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 00:12:33,656 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 00:12:33,656 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 00:12:33,656 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 00:12:33,656 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 00:12:33,656 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 00:12:33,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:12:33,657 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:12:33,657 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 00:12:33,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:12:33,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:12:33,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:12:33,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 00:12:33,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 00:12:33,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 00:12:33,658 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:12:33,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:12:33,658 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 00:12:33,659 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:12:33,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 00:12:33,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:12:33,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:12:33,659 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 00:12:33,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:12:33,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 00:12:33,660 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 00:12:33,671 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 00:12:33,671 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/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 -> 496f188e29fc9ae7e4557430f30be7ed50f3ccf7 [2019-11-20 00:12:33,835 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:12:33,857 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:12:33,859 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:12:33,861 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:12:33,861 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:12:33,861 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/bin/uautomizer/../../sv-benchmarks/c/product-lines/elevator_spec2_product22.cil.c [2019-11-20 00:12:33,926 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/bin/uautomizer/data/dec4de916/1265b8d21fd14c9790e97c5ce6333e73/FLAG2134da993 [2019-11-20 00:12:34,454 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:12:34,460 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/sv-benchmarks/c/product-lines/elevator_spec2_product22.cil.c [2019-11-20 00:12:34,484 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/bin/uautomizer/data/dec4de916/1265b8d21fd14c9790e97c5ce6333e73/FLAG2134da993 [2019-11-20 00:12:34,742 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/bin/uautomizer/data/dec4de916/1265b8d21fd14c9790e97c5ce6333e73 [2019-11-20 00:12:34,746 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:12:34,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:12:34,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:12:34,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:12:34,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:12:34,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:12:34" (1/1) ... [2019-11-20 00:12:34,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f782db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:34, skipping insertion in model container [2019-11-20 00:12:34,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:12:34" (1/1) ... [2019-11-20 00:12:34,763 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:12:34,852 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:12:35,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:12:35,493 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:12:35,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:12:35,739 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:12:35,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:35 WrapperNode [2019-11-20 00:12:35,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:12:35,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:12:35,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:12:35,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:12:35,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:35" (1/1) ... [2019-11-20 00:12:35,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:35" (1/1) ... [2019-11-20 00:12:36,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:12:36,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:12:36,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:12:36,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:12:36,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:35" (1/1) ... [2019-11-20 00:12:36,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:35" (1/1) ... [2019-11-20 00:12:36,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:35" (1/1) ... [2019-11-20 00:12:36,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:35" (1/1) ... [2019-11-20 00:12:36,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:35" (1/1) ... [2019-11-20 00:12:36,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:35" (1/1) ... [2019-11-20 00:12:36,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:35" (1/1) ... [2019-11-20 00:12:36,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:12:36,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:12:36,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:12:36,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:12:36,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/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 [2019-11-20 00:12:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 00:12:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 00:12:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:12:36,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:12:47,705 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:12:47,706 INFO L285 CfgBuilder]: Removed 1469 assume(true) statements. [2019-11-20 00:12:47,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:12:47 BoogieIcfgContainer [2019-11-20 00:12:47,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:12:47,711 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 00:12:47,712 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 00:12:47,714 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 00:12:47,715 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:12:47,716 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:12:34" (1/3) ... [2019-11-20 00:12:47,717 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1bbdf0f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:12:47, skipping insertion in model container [2019-11-20 00:12:47,718 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:12:47,718 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:35" (2/3) ... [2019-11-20 00:12:47,718 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1bbdf0f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:12:47, skipping insertion in model container [2019-11-20 00:12:47,718 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:12:47,718 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:12:47" (3/3) ... [2019-11-20 00:12:47,723 INFO L371 chiAutomizerObserver]: Analyzing ICFG elevator_spec2_product22.cil.c [2019-11-20 00:12:47,772 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 00:12:47,774 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 00:12:47,774 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 00:12:47,774 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 00:12:47,774 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 00:12:47,774 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 00:12:47,774 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 00:12:47,775 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 00:12:47,874 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6747 states. [2019-11-20 00:12:48,025 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3363 [2019-11-20 00:12:48,025 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:12:48,025 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:12:48,040 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] [2019-11-20 00:12:48,041 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] [2019-11-20 00:12:48,041 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 00:12:48,041 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6747 states. [2019-11-20 00:12:48,112 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3363 [2019-11-20 00:12:48,112 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:12:48,112 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:12:48,117 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] [2019-11-20 00:12:48,117 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] [2019-11-20 00:12:48,123 INFO L794 eck$LassoCheckResult]: Stem: 1655#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~cleanupTimeShifts~0 := 12;~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;~head~0.base, ~head~0.offset := 0, 0;call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(10);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string105.base, #t~string105.offset, 1);call write~init~int(95, #t~string105.base, 1 + #t~string105.offset, 1);call write~init~int(93, #t~string105.base, 2 + #t~string105.offset, 1);call write~init~int(0, #t~string105.base, 3 + #t~string105.offset, 1);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string107.base, #t~string107.offset, 1);call write~init~int(93, #t~string107.base, 1 + #t~string107.offset, 1);call write~init~int(32, #t~string107.base, 2 + #t~string107.offset, 1);call write~init~int(0, #t~string107.base, 3 + #t~string107.offset, 1);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string109.base, #t~string109.offset, 1);call write~init~int(97, #t~string109.base, 1 + #t~string109.offset, 1);call write~init~int(116, #t~string109.base, 2 + #t~string109.offset, 1);call write~init~int(32, #t~string109.base, 3 + #t~string109.offset, 1);call write~init~int(0, #t~string109.base, 4 + #t~string109.offset, 1);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string111.base, #t~string111.offset, 1);call write~init~int(105, #t~string111.base, 1 + #t~string111.offset, 1);call write~init~int(0, #t~string111.base, 2 + #t~string111.offset, 1);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(10);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string115.base, #t~string115.offset, 1);call write~init~int(112, #t~string115.base, 1 + #t~string115.offset, 1);call write~init~int(0, #t~string115.base, 2 + #t~string115.offset, 1);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string117.base, #t~string117.offset, 1);call write~init~int(111, #t~string117.base, 1 + #t~string117.offset, 1);call write~init~int(119, #t~string117.base, 2 + #t~string117.offset, 1);call write~init~int(110, #t~string117.base, 3 + #t~string117.offset, 1);call write~init~int(0, #t~string117.base, 4 + #t~string117.offset, 1);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string119.base, #t~string119.offset, 1);call write~init~int(73, #t~string119.base, 1 + #t~string119.offset, 1);call write~init~int(76, #t~string119.base, 2 + #t~string119.offset, 1);call write~init~int(95, #t~string119.base, 3 + #t~string119.offset, 1);call write~init~int(112, #t~string119.base, 4 + #t~string119.offset, 1);call write~init~int(58, #t~string119.base, 5 + #t~string119.offset, 1);call write~init~int(0, #t~string119.base, 6 + #t~string119.offset, 1);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string121.base, #t~string121.offset, 1);call write~init~int(37, #t~string121.base, 1 + #t~string121.offset, 1);call write~init~int(105, #t~string121.base, 2 + #t~string121.offset, 1);call write~init~int(0, #t~string121.base, 3 + #t~string121.offset, 1);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string123.base, #t~string123.offset, 1);call write~init~int(37, #t~string123.base, 1 + #t~string123.offset, 1);call write~init~int(105, #t~string123.base, 2 + #t~string123.offset, 1);call write~init~int(0, #t~string123.base, 3 + #t~string123.offset, 1);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string125.base, #t~string125.offset, 1);call write~init~int(37, #t~string125.base, 1 + #t~string125.offset, 1);call write~init~int(105, #t~string125.base, 2 + #t~string125.offset, 1);call write~init~int(0, #t~string125.base, 3 + #t~string125.offset, 1);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string127.base, #t~string127.offset, 1);call write~init~int(37, #t~string127.base, 1 + #t~string127.offset, 1);call write~init~int(105, #t~string127.base, 2 + #t~string127.offset, 1);call write~init~int(0, #t~string127.base, 3 + #t~string127.offset, 1);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string129.base, #t~string129.offset, 1);call write~init~int(37, #t~string129.base, 1 + #t~string129.offset, 1);call write~init~int(105, #t~string129.base, 2 + #t~string129.offset, 1);call write~init~int(0, #t~string129.base, 3 + #t~string129.offset, 1);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string131.base, #t~string131.offset, 1);call write~init~int(70, #t~string131.base, 1 + #t~string131.offset, 1);call write~init~int(95, #t~string131.base, 2 + #t~string131.offset, 1);call write~init~int(112, #t~string131.base, 3 + #t~string131.offset, 1);call write~init~int(58, #t~string131.base, 4 + #t~string131.offset, 1);call write~init~int(0, #t~string131.base, 5 + #t~string131.offset, 1);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string134.base, #t~string134.offset, 1);call write~init~int(37, #t~string134.base, 1 + #t~string134.offset, 1);call write~init~int(105, #t~string134.base, 2 + #t~string134.offset, 1);call write~init~int(0, #t~string134.base, 3 + #t~string134.offset, 1);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string137.base, #t~string137.offset, 1);call write~init~int(37, #t~string137.base, 1 + #t~string137.offset, 1);call write~init~int(105, #t~string137.base, 2 + #t~string137.offset, 1);call write~init~int(0, #t~string137.base, 3 + #t~string137.offset, 1);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string140.base, #t~string140.offset, 1);call write~init~int(37, #t~string140.base, 1 + #t~string140.offset, 1);call write~init~int(105, #t~string140.base, 2 + #t~string140.offset, 1);call write~init~int(0, #t~string140.base, 3 + #t~string140.offset, 1);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string143.base, #t~string143.offset, 1);call write~init~int(37, #t~string143.base, 1 + #t~string143.offset, 1);call write~init~int(105, #t~string143.base, 2 + #t~string143.offset, 1);call write~init~int(0, #t~string143.base, 3 + #t~string143.offset, 1);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string146.base, #t~string146.offset, 1);call write~init~int(37, #t~string146.base, 1 + #t~string146.offset, 1);call write~init~int(105, #t~string146.base, 2 + #t~string146.offset, 1);call write~init~int(0, #t~string146.base, 3 + #t~string146.offset, 1);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string148.base, #t~string148.offset, 1);call write~init~int(0, #t~string148.base, 1 + #t~string148.offset, 1);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(9);~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; 6307#L-1true havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~1, main_~tmp~8;havoc main_~retValue_acc~1;havoc main_~tmp~8; 6521#L1599true havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 5616#L1607true main_#t~ret13 := valid_product_#res;main_~tmp~8 := main_#t~ret13;havoc main_#t~ret13; 883#L398true assume 0 != main_~tmp~8; 6470#L367true ~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; 1528#L3284true havoc bigMacCall_#t~ret6, bigMacCall_~tmp~5;havoc bigMacCall_~tmp~5;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~9;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~9; 2180#L1502true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~9 := 4;getOrigin_#res := getOrigin_~retValue_acc~9; 2152#L1527true bigMacCall_#t~ret6 := getOrigin_#res;bigMacCall_~tmp~5 := bigMacCall_#t~ret6;havoc bigMacCall_#t~ret6;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~5;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 273#L771true assume 0 == initPersonOnFloor_~floor; 125#L772true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 6358#L879-1true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 5869#L563true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 899#L575-2true havoc cleanup_#t~ret7, cleanup_#t~ret8, cleanup_~i~0, cleanup_~tmp~6, cleanup_~tmp___0~0, cleanup_~__cil_tmp4~0;havoc cleanup_~i~0;havoc cleanup_~tmp~6;havoc cleanup_~tmp___0~0;havoc cleanup_~__cil_tmp4~0;havoc timeShift_#t~ret102, timeShift_~tmp~23;havoc timeShift_~tmp~23;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~15;havoc areDoorsOpen_~retValue_acc~15;areDoorsOpen_~retValue_acc~15 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~15; 2178#L1855true timeShift_#t~ret102 := areDoorsOpen_#res;timeShift_~tmp~23 := timeShift_#t~ret102;havoc timeShift_#t~ret102; 4418#L2805true assume 0 != timeShift_~tmp~23; 4072#L2806true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 6469#L2481-11true havoc __utac_acc__Specification2_spec__3_#t~ret159, __utac_acc__Specification2_spec__3_#t~ret160, __utac_acc__Specification2_spec__3_#t~ret161, __utac_acc__Specification2_spec__3_#t~ret162, __utac_acc__Specification2_spec__3_#t~ret163, __utac_acc__Specification2_spec__3_#t~ret164, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~28, __utac_acc__Specification2_spec__3_~tmp___0~11, __utac_acc__Specification2_spec__3_~tmp___1~8, __utac_acc__Specification2_spec__3_~tmp___2~6, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~28;havoc __utac_acc__Specification2_spec__3_~tmp___0~11;havoc __utac_acc__Specification2_spec__3_~tmp___1~8;havoc __utac_acc__Specification2_spec__3_~tmp___2~6;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~14;havoc getCurrentFloorID_~retValue_acc~14;getCurrentFloorID_~retValue_acc~14 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~14; 2245#L1846-2true __utac_acc__Specification2_spec__3_#t~ret159 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~28 := __utac_acc__Specification2_spec__3_#t~ret159;havoc __utac_acc__Specification2_spec__3_#t~ret159;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~28; 2552#L3329true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 2714#L3330true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~15;havoc areDoorsOpen_~retValue_acc~15;areDoorsOpen_~retValue_acc~15 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~15; 2171#L1855-1true __utac_acc__Specification2_spec__3_#t~ret160 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret160;havoc __utac_acc__Specification2_spec__3_#t~ret160; 4135#L3334true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 935#L3389true cleanup_~i~0 := 0; 5532#L197-2true [2019-11-20 00:12:48,124 INFO L796 eck$LassoCheckResult]: Loop: 5532#L197-2true assume !false; 5601#L198true cleanup_~__cil_tmp4~0 := ~cleanupTimeShifts~0 - 1; 5504#L201true assume cleanup_~i~0 < cleanup_~__cil_tmp4~0;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~13;havoc isBlocked_~retValue_acc~13;isBlocked_~retValue_acc~13 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~13; 2270#L1688true cleanup_#t~ret7 := isBlocked_#res;cleanup_~tmp___0~0 := cleanup_#t~ret7;havoc cleanup_#t~ret7; 6021#L205true assume 1 != cleanup_~tmp___0~0; 6020#L205-1true havoc isIdle_#res;havoc isIdle_#t~ret57, isIdle_~retValue_acc~20, isIdle_~tmp~15;havoc isIdle_~retValue_acc~20;havoc isIdle_~tmp~15;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret52, anyStopRequested_#t~ret53, anyStopRequested_#t~ret54, anyStopRequested_#t~ret55, anyStopRequested_#t~ret56, anyStopRequested_~retValue_acc~19, anyStopRequested_~tmp~14, anyStopRequested_~tmp___0~2, anyStopRequested_~tmp___1~1, anyStopRequested_~tmp___2~1, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~19;havoc anyStopRequested_~tmp~14;havoc anyStopRequested_~tmp___0~2;havoc anyStopRequested_~tmp___1~1;havoc anyStopRequested_~tmp___2~1;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~2;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~2; 3459#L500-122true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~2 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~2; 6272#L527-122true anyStopRequested_#t~ret52 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret52;havoc anyStopRequested_#t~ret52; 6486#L1954true assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~19 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~19; 557#L2018true isIdle_#t~ret57 := anyStopRequested_#res;isIdle_~tmp~15 := isIdle_#t~ret57;havoc isIdle_#t~ret57;isIdle_~retValue_acc~20 := (if 0 == isIdle_~tmp~15 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~20; 2179#L2031true cleanup_#t~ret8 := isIdle_#res;cleanup_~tmp~6 := cleanup_#t~ret8;havoc cleanup_#t~ret8; 1077#L217true assume !(0 != cleanup_~tmp~6);havoc timeShift_#t~ret102, timeShift_~tmp~23;havoc timeShift_~tmp~23;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~15;havoc areDoorsOpen_~retValue_acc~15;areDoorsOpen_~retValue_acc~15 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~15; 2164#L1855-6true timeShift_#t~ret102 := areDoorsOpen_#res;timeShift_~tmp~23 := timeShift_#t~ret102;havoc timeShift_#t~ret102; 4389#L2805-1true assume 0 != timeShift_~tmp~23; 4051#L2806-2true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 6468#L2481-23true havoc __utac_acc__Specification2_spec__3_#t~ret159, __utac_acc__Specification2_spec__3_#t~ret160, __utac_acc__Specification2_spec__3_#t~ret161, __utac_acc__Specification2_spec__3_#t~ret162, __utac_acc__Specification2_spec__3_#t~ret163, __utac_acc__Specification2_spec__3_#t~ret164, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~28, __utac_acc__Specification2_spec__3_~tmp___0~11, __utac_acc__Specification2_spec__3_~tmp___1~8, __utac_acc__Specification2_spec__3_~tmp___2~6, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~28;havoc __utac_acc__Specification2_spec__3_~tmp___0~11;havoc __utac_acc__Specification2_spec__3_~tmp___1~8;havoc __utac_acc__Specification2_spec__3_~tmp___2~6;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~14;havoc getCurrentFloorID_~retValue_acc~14;getCurrentFloorID_~retValue_acc~14 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~14; 2248#L1846-5true __utac_acc__Specification2_spec__3_#t~ret159 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~28 := __utac_acc__Specification2_spec__3_#t~ret159;havoc __utac_acc__Specification2_spec__3_#t~ret159;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~28; 2546#L3329-1true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 2722#L3330-1true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~15;havoc areDoorsOpen_~retValue_acc~15;areDoorsOpen_~retValue_acc~15 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~15; 2166#L1855-7true __utac_acc__Specification2_spec__3_#t~ret160 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret160;havoc __utac_acc__Specification2_spec__3_#t~ret160; 4103#L3334-2true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 940#L3389-1true cleanup_~i~0 := 1 + cleanup_~i~0; 5532#L197-2true [2019-11-20 00:12:48,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:12:48,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1007385687, now seen corresponding path program 1 times [2019-11-20 00:12:48,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:12:48,138 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502750738] [2019-11-20 00:12:48,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:12:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:12:48,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:12:48,406 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502750738] [2019-11-20 00:12:48,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:12:48,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 00:12:48,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866779378] [2019-11-20 00:12:48,412 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 00:12:48,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:12:48,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1624084183, now seen corresponding path program 1 times [2019-11-20 00:12:48,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:12:48,413 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714222827] [2019-11-20 00:12:48,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:12:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:12:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:12:48,474 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:12:48,747 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-11-20 00:12:49,045 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-11-20 00:12:49,055 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 00:12:49,056 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 00:12:49,056 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 00:12:49,056 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 00:12:49,057 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 00:12:49,057 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:12:49,057 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 00:12:49,057 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 00:12:49,057 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product22.cil.c_Iteration1_Loop [2019-11-20 00:12:49,057 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 00:12:49,058 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 00:12:49,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:12:49,654 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 00:12:49,659 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/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 [2019-11-20 00:12:49,678 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 00:12:49,678 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 00:12:49,687 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 00:12:49,688 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___1~8=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___1~8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/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) [2019-11-20 00:12:49,716 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 00:12:49,717 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 00:12:49,725 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 00:12:49,725 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_isIdle_#t~ret57=0} Honda state: {ULTIMATE.start_isIdle_#t~ret57=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/bin/uautomizer/z3 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:12:49,779 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 00:12:49,779 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:12:49,793 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 00:12:49,793 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_#t~ret102=0} Honda state: {ULTIMATE.start_timeShift_#t~ret102=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/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) [2019-11-20 00:12:49,801 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 00:12:49,801 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:12:49,809 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 00:12:49,809 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret164=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret164=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/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) [2019-11-20 00:12:49,821 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 00:12:49,821 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 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:12:49,845 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 00:12:49,846 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:01,902 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-11-20 00:13:01,905 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 00:13:01,905 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 00:13:01,905 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 00:13:01,906 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 00:13:01,906 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 00:13:01,906 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:01,906 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 00:13:01,906 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 00:13:01,906 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product22.cil.c_Iteration1_Loop [2019-11-20 00:13:01,906 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 00:13:01,906 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 00:13:01,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:01,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:01,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:01,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:01,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:01,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:01,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:01,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:01,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:01,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:01,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:01,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:01,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:01,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:01,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:01,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:01,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:01,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:01,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:01,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:01,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:02,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:02,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:02,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:02,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:02,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:02,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:02,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:02,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:02,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:02,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:02,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:02,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:02,546 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 00:13:02,556 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:13:02,574 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 [2019-11-20 00:13:02,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:02,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:02,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:02,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:02,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:02,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:13:02,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:02,582 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:13:02,597 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 [2019-11-20 00:13:02,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:02,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:02,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:02,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:02,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:02,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:13:02,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:02,736 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/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) [2019-11-20 00:13:02,757 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 [2019-11-20 00:13:02,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:02,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:02,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:02,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:02,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:02,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:13:02,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:13:02,765 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:02,777 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 [2019-11-20 00:13:02,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:02,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:02,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:02,779 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 00:13:02,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:02,783 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 00:13:02,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:02,792 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:02,800 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 [2019-11-20 00:13:02,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:02,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:02,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:02,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:02,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:02,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:13:02,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:13:02,804 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:02,810 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 [2019-11-20 00:13:02,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:02,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:02,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:02,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:02,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:02,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:13:02,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:13:02,816 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 00:13:02,826 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-20 00:13:02,826 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b01d3b93-812f-492b-8bfe-fec7e0b01af2/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 [2019-11-20 00:13:02,833 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 00:13:02,833 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 00:13:02,833 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 00:13:02,834 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(~cleanupTimeShifts~0, ULTIMATE.start_cleanup_~i~0) = 1*~cleanupTimeShifts~0 - 1*ULTIMATE.start_cleanup_~i~0 Supporting invariants [] [2019-11-20 00:13:02,839 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 00:13:02,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:13:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:13:02,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 00:13:02,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:13:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:13:03,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 00:13:03,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:13:03,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:13:03,078 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 [2019-11-20 00:13:03,079 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6747 states. Second operand 5 states. [2019-11-20 00:13:03,737 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6747 states.. Second operand 5 states. Result 10170 states and 19250 transitions. Complement of second has 9 states. [2019-11-20 00:13:03,737 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 [2019-11-20 00:13:03,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 00:13:03,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 12839 transitions. [2019-11-20 00:13:03,756 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12839 transitions. Stem has 24 letters. Loop has 22 letters. [2019-11-20 00:13:03,758 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:13:03,759 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12839 transitions. Stem has 46 letters. Loop has 22 letters. [2019-11-20 00:13:03,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:13:03,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12839 transitions. Stem has 24 letters. Loop has 44 letters. [2019-11-20 00:13:03,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:13:03,765 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10170 states and 19250 transitions. [2019-11-20 00:13:03,862 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 00:13:03,864 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10170 states to 0 states and 0 transitions. [2019-11-20 00:13:03,873 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 00:13:03,873 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 00:13:03,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 00:13:03,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 00:13:03,874 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:13:03,874 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:13:03,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:13:03,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 00:13:03,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 00:13:03,879 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-20 00:13:03,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:13:03,881 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-20 00:13:03,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 00:13:03,882 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-20 00:13:03,882 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 00:13:03,882 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 00:13:03,883 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 00:13:03,883 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 00:13:03,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 00:13:03,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 00:13:03,883 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:13:03,883 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:13:03,883 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:13:03,883 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 00:13:03,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 00:13:03,884 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 00:13:03,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 00:13:03,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 12:13:03 BoogieIcfgContainer [2019-11-20 00:13:03,890 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 00:13:03,890 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:13:03,890 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:13:03,890 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:13:03,891 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:12:47" (3/4) ... [2019-11-20 00:13:03,893 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 00:13:03,893 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:13:03,895 INFO L168 Benchmark]: Toolchain (without parser) took 29147.25 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 634.9 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -245.9 MB). Peak memory consumption was 389.0 MB. Max. memory is 11.5 GB. [2019-11-20 00:13:03,896 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:13:03,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 992.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -160.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. [2019-11-20 00:13:03,898 INFO L168 Benchmark]: Boogie Procedure Inliner took 387.97 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: 75.3 MB). Peak memory consumption was 75.3 MB. Max. memory is 11.5 GB. [2019-11-20 00:13:03,899 INFO L168 Benchmark]: Boogie Preprocessor took 469.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 962.9 MB in the end (delta: 62.0 MB). Peak memory consumption was 62.0 MB. Max. memory is 11.5 GB. [2019-11-20 00:13:03,904 INFO L168 Benchmark]: RCFGBuilder took 11111.59 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 483.9 MB). Free memory was 962.9 MB in the beginning and 1.3 GB in the end (delta: -344.9 MB). Peak memory consumption was 420.5 MB. Max. memory is 11.5 GB. [2019-11-20 00:13:03,905 INFO L168 Benchmark]: BuchiAutomizer took 16178.40 ms. Allocated memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: -1.6 MB). Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 122.6 MB). Peak memory consumption was 121.0 MB. Max. memory is 11.5 GB. [2019-11-20 00:13:03,905 INFO L168 Benchmark]: Witness Printer took 3.54 ms. Allocated memory is still 1.7 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:13:03,911 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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 992.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -160.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 387.97 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: 75.3 MB). Peak memory consumption was 75.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 469.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 962.9 MB in the end (delta: 62.0 MB). Peak memory consumption was 62.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 11111.59 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 483.9 MB). Free memory was 962.9 MB in the beginning and 1.3 GB in the end (delta: -344.9 MB). Peak memory consumption was 420.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 16178.40 ms. Allocated memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: -1.6 MB). Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 122.6 MB). Peak memory consumption was 121.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.54 ms. Allocated memory is still 1.7 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 16.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 14.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.9s. 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 0.1s 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: 12805 SDtfs, 25576 SDslu, 6419 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: 25ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...