./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec2_product26_false-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7c081843-f1c4-40cf-83b6-7ae516d67655/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7c081843-f1c4-40cf-83b6-7ae516d67655/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7c081843-f1c4-40cf-83b6-7ae516d67655/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7c081843-f1c4-40cf-83b6-7ae516d67655/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec2_product26_false-unreach-call_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7c081843-f1c4-40cf-83b6-7ae516d67655/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7c081843-f1c4-40cf-83b6-7ae516d67655/bin-2019/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 773d2c4d0eda21b7c46dba917d93fd8caf4fa295 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 16:53:39,813 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 16:53:39,814 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 16:53:39,820 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 16:53:39,820 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 16:53:39,821 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 16:53:39,821 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 16:53:39,822 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 16:53:39,823 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 16:53:39,824 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 16:53:39,824 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 16:53:39,824 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 16:53:39,825 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 16:53:39,825 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 16:53:39,826 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 16:53:39,826 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 16:53:39,827 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 16:53:39,828 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 16:53:39,829 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 16:53:39,830 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 16:53:39,830 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 16:53:39,831 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 16:53:39,832 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 16:53:39,832 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 16:53:39,832 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 16:53:39,833 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 16:53:39,833 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 16:53:39,834 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 16:53:39,834 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 16:53:39,835 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 16:53:39,835 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 16:53:39,835 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 16:53:39,835 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 16:53:39,835 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 16:53:39,836 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 16:53:39,836 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 16:53:39,836 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7c081843-f1c4-40cf-83b6-7ae516d67655/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-01 16:53:39,845 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 16:53:39,845 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 16:53:39,845 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 16:53:39,846 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 16:53:39,846 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 16:53:39,846 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-01 16:53:39,846 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-01 16:53:39,846 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-01 16:53:39,846 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-01 16:53:39,846 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-01 16:53:39,846 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-01 16:53:39,846 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 16:53:39,847 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 16:53:39,847 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 16:53:39,847 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 16:53:39,847 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 16:53:39,847 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 16:53:39,847 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-01 16:53:39,847 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-01 16:53:39,847 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-01 16:53:39,847 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 16:53:39,847 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 16:53:39,848 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-01 16:53:39,848 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 16:53:39,848 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-01 16:53:39,848 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 16:53:39,848 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 16:53:39,848 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-01 16:53:39,848 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 16:53:39,848 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 16:53:39,848 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-01 16:53:39,849 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-01 16:53:39,849 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_7c081843-f1c4-40cf-83b6-7ae516d67655/bin-2019/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 -> 773d2c4d0eda21b7c46dba917d93fd8caf4fa295 [2018-12-01 16:53:39,866 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 16:53:39,873 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 16:53:39,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 16:53:39,875 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 16:53:39,876 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 16:53:39,876 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7c081843-f1c4-40cf-83b6-7ae516d67655/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/elevator_spec2_product26_false-unreach-call_true-termination.cil.c [2018-12-01 16:53:39,911 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c081843-f1c4-40cf-83b6-7ae516d67655/bin-2019/uautomizer/data/6e91d60cc/8bfcd33a350940a786f4cece0a79aaa5/FLAG7fb87ef8c [2018-12-01 16:53:40,351 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 16:53:40,351 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7c081843-f1c4-40cf-83b6-7ae516d67655/sv-benchmarks/c/product-lines/elevator_spec2_product26_false-unreach-call_true-termination.cil.c [2018-12-01 16:53:40,360 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c081843-f1c4-40cf-83b6-7ae516d67655/bin-2019/uautomizer/data/6e91d60cc/8bfcd33a350940a786f4cece0a79aaa5/FLAG7fb87ef8c [2018-12-01 16:53:40,368 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7c081843-f1c4-40cf-83b6-7ae516d67655/bin-2019/uautomizer/data/6e91d60cc/8bfcd33a350940a786f4cece0a79aaa5 [2018-12-01 16:53:40,370 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 16:53:40,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 16:53:40,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 16:53:40,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 16:53:40,373 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 16:53:40,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:53:40" (1/1) ... [2018-12-01 16:53:40,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ca4a7aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:53:40, skipping insertion in model container [2018-12-01 16:53:40,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:53:40" (1/1) ... [2018-12-01 16:53:40,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 16:53:40,411 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 16:53:40,682 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:53:40,691 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 16:53:40,756 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:53:40,781 INFO L195 MainTranslator]: Completed translation [2018-12-01 16:53:40,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:53:40 WrapperNode [2018-12-01 16:53:40,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 16:53:40,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 16:53:40,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 16:53:40,782 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 16:53:40,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:53:40" (1/1) ... [2018-12-01 16:53:40,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:53:40" (1/1) ... [2018-12-01 16:53:40,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 16:53:40,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 16:53:40,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 16:53:40,907 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 16:53:40,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:53:40" (1/1) ... [2018-12-01 16:53:40,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:53:40" (1/1) ... [2018-12-01 16:53:40,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:53:40" (1/1) ... [2018-12-01 16:53:40,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:53:40" (1/1) ... [2018-12-01 16:53:40,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:53:40" (1/1) ... [2018-12-01 16:53:40,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:53:40" (1/1) ... [2018-12-01 16:53:41,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:53:40" (1/1) ... [2018-12-01 16:53:41,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 16:53:41,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 16:53:41,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 16:53:41,034 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 16:53:41,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:53:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c081843-f1c4-40cf-83b6-7ae516d67655/bin-2019/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 [2018-12-01 16:53:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 16:53:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 16:53:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 16:53:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 16:53:45,596 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 16:53:45,596 INFO L280 CfgBuilder]: Removed 1125 assue(true) statements. [2018-12-01 16:53:45,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:53:45 BoogieIcfgContainer [2018-12-01 16:53:45,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 16:53:45,597 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-01 16:53:45,597 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-01 16:53:45,599 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-01 16:53:45,599 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 16:53:45,600 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 04:53:40" (1/3) ... [2018-12-01 16:53:45,600 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f347d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 04:53:45, skipping insertion in model container [2018-12-01 16:53:45,600 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 16:53:45,600 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:53:40" (2/3) ... [2018-12-01 16:53:45,601 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f347d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 04:53:45, skipping insertion in model container [2018-12-01 16:53:45,601 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 16:53:45,601 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:53:45" (3/3) ... [2018-12-01 16:53:45,602 INFO L375 chiAutomizerObserver]: Analyzing ICFG elevator_spec2_product26_false-unreach-call_true-termination.cil.c [2018-12-01 16:53:45,635 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 16:53:45,636 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-01 16:53:45,636 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-01 16:53:45,636 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-01 16:53:45,636 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 16:53:45,636 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 16:53:45,636 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-01 16:53:45,636 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 16:53:45,636 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-01 16:53:45,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4855 states. [2018-12-01 16:53:45,775 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2417 [2018-12-01 16:53:45,776 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 16:53:45,776 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 16:53:45,787 INFO L866 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] [2018-12-01 16:53:45,787 INFO L867 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] [2018-12-01 16:53:45,787 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-01 16:53:45,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4855 states. [2018-12-01 16:53:45,826 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2417 [2018-12-01 16:53:45,826 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 16:53:45,826 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 16:53:45,827 INFO L866 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] [2018-12-01 16:53:45,828 INFO L867 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] [2018-12-01 16:53:45,832 INFO L794 eck$LassoCheckResult]: Stem: 2374#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 12;~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~string61.base, #t~string61.offset := #Ultimate.alloc(10);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);call write~init~int(91, #t~string63.base, #t~string63.offset, 1);call write~init~int(95, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(93, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(4);call write~init~int(91, #t~string65.base, #t~string65.offset, 1);call write~init~int(93, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);call write~init~int(32, #t~string67.base, #t~string67.offset, 1);call write~init~int(97, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);call write~init~int(37, #t~string69.base, #t~string69.offset, 1);call write~init~int(105, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(10);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(3);call write~init~int(117, #t~string73.base, #t~string73.offset, 1);call write~init~int(112, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.alloc(5);call write~init~int(100, #t~string75.base, #t~string75.offset, 1);call write~init~int(111, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(119, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(110, #t~string75.base, 3 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 4 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.alloc(7);call write~init~int(32, #t~string77.base, #t~string77.offset, 1);call write~init~int(73, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(76, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(95, #t~string77.base, 3 + #t~string77.offset, 1);call write~init~int(112, #t~string77.base, 4 + #t~string77.offset, 1);call write~init~int(58, #t~string77.base, 5 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 6 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string79.base, #t~string79.offset, 1);call write~init~int(37, #t~string79.base, 1 + #t~string79.offset, 1);call write~init~int(105, #t~string79.base, 2 + #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 3 + #t~string79.offset, 1);call #t~string81.base, #t~string81.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string81.base, #t~string81.offset, 1);call write~init~int(37, #t~string81.base, 1 + #t~string81.offset, 1);call write~init~int(105, #t~string81.base, 2 + #t~string81.offset, 1);call write~init~int(0, #t~string81.base, 3 + #t~string81.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string83.base, #t~string83.offset, 1);call write~init~int(37, #t~string83.base, 1 + #t~string83.offset, 1);call write~init~int(105, #t~string83.base, 2 + #t~string83.offset, 1);call write~init~int(0, #t~string83.base, 3 + #t~string83.offset, 1);call #t~string85.base, #t~string85.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string85.base, #t~string85.offset, 1);call write~init~int(37, #t~string85.base, 1 + #t~string85.offset, 1);call write~init~int(105, #t~string85.base, 2 + #t~string85.offset, 1);call write~init~int(0, #t~string85.base, 3 + #t~string85.offset, 1);call #t~string87.base, #t~string87.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string87.base, #t~string87.offset, 1);call write~init~int(37, #t~string87.base, 1 + #t~string87.offset, 1);call write~init~int(105, #t~string87.base, 2 + #t~string87.offset, 1);call write~init~int(0, #t~string87.base, 3 + #t~string87.offset, 1);call #t~string89.base, #t~string89.offset := #Ultimate.alloc(6);call write~init~int(32, #t~string89.base, #t~string89.offset, 1);call write~init~int(70, #t~string89.base, 1 + #t~string89.offset, 1);call write~init~int(95, #t~string89.base, 2 + #t~string89.offset, 1);call write~init~int(112, #t~string89.base, 3 + #t~string89.offset, 1);call write~init~int(58, #t~string89.base, 4 + #t~string89.offset, 1);call write~init~int(0, #t~string89.base, 5 + #t~string89.offset, 1);call #t~string92.base, #t~string92.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string92.base, #t~string92.offset, 1);call write~init~int(37, #t~string92.base, 1 + #t~string92.offset, 1);call write~init~int(105, #t~string92.base, 2 + #t~string92.offset, 1);call write~init~int(0, #t~string92.base, 3 + #t~string92.offset, 1);call #t~string95.base, #t~string95.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string95.base, #t~string95.offset, 1);call write~init~int(37, #t~string95.base, 1 + #t~string95.offset, 1);call write~init~int(105, #t~string95.base, 2 + #t~string95.offset, 1);call write~init~int(0, #t~string95.base, 3 + #t~string95.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string98.base, #t~string98.offset, 1);call write~init~int(37, #t~string98.base, 1 + #t~string98.offset, 1);call write~init~int(105, #t~string98.base, 2 + #t~string98.offset, 1);call write~init~int(0, #t~string98.base, 3 + #t~string98.offset, 1);call #t~string101.base, #t~string101.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string101.base, #t~string101.offset, 1);call write~init~int(37, #t~string101.base, 1 + #t~string101.offset, 1);call write~init~int(105, #t~string101.base, 2 + #t~string101.offset, 1);call write~init~int(0, #t~string101.base, 3 + #t~string101.offset, 1);call #t~string104.base, #t~string104.offset := #Ultimate.alloc(4);call write~init~int(32, #t~string104.base, #t~string104.offset, 1);call write~init~int(37, #t~string104.base, 1 + #t~string104.offset, 1);call write~init~int(105, #t~string104.base, 2 + #t~string104.offset, 1);call write~init~int(0, #t~string104.base, 3 + #t~string104.offset, 1);call #t~string106.base, #t~string106.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string106.base, #t~string106.offset, 1);call write~init~int(0, #t~string106.base, 1 + #t~string106.offset, 1);call #t~string109.base, #t~string109.offset := #Ultimate.alloc(9);~head~0.base, ~head~0.offset := 0, 0;call #t~string129.base, #t~string129.offset := #Ultimate.alloc(30);call #t~string130.base, #t~string130.offset := #Ultimate.alloc(9);call #t~string131.base, #t~string131.offset := #Ultimate.alloc(21);call #t~string132.base, #t~string132.offset := #Ultimate.alloc(30);call #t~string133.base, #t~string133.offset := #Ultimate.alloc(9);call #t~string134.base, #t~string134.offset := #Ultimate.alloc(21);call #t~string138.base, #t~string138.offset := #Ultimate.alloc(30);call #t~string139.base, #t~string139.offset := #Ultimate.alloc(9);call #t~string140.base, #t~string140.offset := #Ultimate.alloc(25);call #t~string141.base, #t~string141.offset := #Ultimate.alloc(30);call #t~string142.base, #t~string142.offset := #Ultimate.alloc(9);call #t~string143.base, #t~string143.offset := #Ultimate.alloc(25);~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~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; 3679#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; 153#L2449true havoc valid_product_#res;havoc valid_product_~retValue_acc~22;havoc valid_product_~retValue_acc~22;valid_product_~retValue_acc~22 := 1;valid_product_#res := valid_product_~retValue_acc~22; 681#L2457true main_#t~ret13 := valid_product_#res;main_~tmp~8 := main_#t~ret13;havoc main_#t~ret13; 2637#L389true assume 0 != main_~tmp~8; 3323#L358true ~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; 1833#L3138true havoc bigMacCall_#t~ret6, bigMacCall_~tmp~5;havoc bigMacCall_~tmp~5;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~16;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~16; 2801#L1974true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~16 := 4;getOrigin_#res := getOrigin_~retValue_acc~16; 442#L1999true 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; 3982#L2815true assume 0 == initPersonOnFloor_~floor; 4126#L2816true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 4282#L2923-1true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 1891#L2607true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 283#L2619-2true 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~ret60, timeShift_~tmp~19;havoc timeShift_~tmp~19;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~4;havoc areDoorsOpen_~retValue_acc~4;areDoorsOpen_~retValue_acc~4 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~4; 1736#L674true timeShift_#t~ret60 := areDoorsOpen_#res;timeShift_~tmp~19 := timeShift_#t~ret60;havoc timeShift_#t~ret60; 1498#L1557true assume 0 != timeShift_~tmp~19; 1588#L1558true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 3071#L1261-11true havoc __utac_acc__Specification2_spec__3_#t~ret147, __utac_acc__Specification2_spec__3_#t~ret148, __utac_acc__Specification2_spec__3_#t~ret149, __utac_acc__Specification2_spec__3_#t~ret150, __utac_acc__Specification2_spec__3_#t~ret151, __utac_acc__Specification2_spec__3_#t~ret152, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~25, __utac_acc__Specification2_spec__3_~tmp___0~8, __utac_acc__Specification2_spec__3_~tmp___1~6, __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~25;havoc __utac_acc__Specification2_spec__3_~tmp___0~8;havoc __utac_acc__Specification2_spec__3_~tmp___1~6;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~3;havoc getCurrentFloorID_~retValue_acc~3;getCurrentFloorID_~retValue_acc~3 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~3; 1166#L665true __utac_acc__Specification2_spec__3_#t~ret147 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~25 := __utac_acc__Specification2_spec__3_#t~ret147;havoc __utac_acc__Specification2_spec__3_#t~ret147;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~25; 4376#L3183true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 4508#L3184true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~4;havoc areDoorsOpen_~retValue_acc~4;areDoorsOpen_~retValue_acc~4 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~4; 1737#L674-1true __utac_acc__Specification2_spec__3_#t~ret148 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret148;havoc __utac_acc__Specification2_spec__3_#t~ret148; 2485#L3188true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 88#L3243true cleanup_~i~0 := 0; 4356#L188-2true [2018-12-01 16:53:45,832 INFO L796 eck$LassoCheckResult]: Loop: 4356#L188-2true assume !false; 4498#L189true cleanup_~__cil_tmp4~0 := ~cleanupTimeShifts~0 - 1; 4297#L192true assume cleanup_~i~0 < cleanup_~__cil_tmp4~0;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~2;havoc isBlocked_~retValue_acc~2;isBlocked_~retValue_acc~2 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~2; 1269#L487true cleanup_#t~ret7 := isBlocked_#res;cleanup_~tmp___0~0 := cleanup_#t~ret7;havoc cleanup_#t~ret7; 2350#L196true assume 1 != cleanup_~tmp___0~0; 2347#L196-1true havoc isIdle_#res;havoc isIdle_#t~ret22, isIdle_~retValue_acc~9, isIdle_~tmp~13;havoc isIdle_~retValue_acc~9;havoc isIdle_~tmp~13;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret17, anyStopRequested_#t~ret18, anyStopRequested_#t~ret19, anyStopRequested_#t~ret20, anyStopRequested_#t~ret21, anyStopRequested_~retValue_acc~8, anyStopRequested_~tmp~12, anyStopRequested_~tmp___0~2, anyStopRequested_~tmp___1~1, anyStopRequested_~tmp___2~1, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~8;havoc anyStopRequested_~tmp~12;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~23;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~23; 878#L2544-42true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~23 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~23; 2416#L2571-42true anyStopRequested_#t~ret17 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret17;havoc anyStopRequested_#t~ret17; 252#L773true assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~8 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~8; 1382#L837true isIdle_#t~ret22 := anyStopRequested_#res;isIdle_~tmp~13 := isIdle_#t~ret22;havoc isIdle_#t~ret22;isIdle_~retValue_acc~9 := (if 0 == isIdle_~tmp~13 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~9; 1749#L850true cleanup_#t~ret8 := isIdle_#res;cleanup_~tmp~6 := cleanup_#t~ret8;havoc cleanup_#t~ret8; 2859#L208true assume !(0 != cleanup_~tmp~6);havoc timeShift_#t~ret60, timeShift_~tmp~19;havoc timeShift_~tmp~19;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~4;havoc areDoorsOpen_~retValue_acc~4;areDoorsOpen_~retValue_acc~4 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~4; 1723#L674-6true timeShift_#t~ret60 := areDoorsOpen_#res;timeShift_~tmp~19 := timeShift_#t~ret60;havoc timeShift_#t~ret60; 1646#L1557-1true assume 0 != timeShift_~tmp~19; 1570#L1558-2true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 3053#L1261-23true havoc __utac_acc__Specification2_spec__3_#t~ret147, __utac_acc__Specification2_spec__3_#t~ret148, __utac_acc__Specification2_spec__3_#t~ret149, __utac_acc__Specification2_spec__3_#t~ret150, __utac_acc__Specification2_spec__3_#t~ret151, __utac_acc__Specification2_spec__3_#t~ret152, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~25, __utac_acc__Specification2_spec__3_~tmp___0~8, __utac_acc__Specification2_spec__3_~tmp___1~6, __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~25;havoc __utac_acc__Specification2_spec__3_~tmp___0~8;havoc __utac_acc__Specification2_spec__3_~tmp___1~6;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~3;havoc getCurrentFloorID_~retValue_acc~3;getCurrentFloorID_~retValue_acc~3 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~3; 1167#L665-1true __utac_acc__Specification2_spec__3_#t~ret147 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~25 := __utac_acc__Specification2_spec__3_#t~ret147;havoc __utac_acc__Specification2_spec__3_#t~ret147;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~25; 4361#L3183-1true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 4512#L3184-1true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~4;havoc areDoorsOpen_~retValue_acc~4;areDoorsOpen_~retValue_acc~4 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~4; 1725#L674-7true __utac_acc__Specification2_spec__3_#t~ret148 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret148;havoc __utac_acc__Specification2_spec__3_#t~ret148; 2482#L3188-2true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 81#L3243-1true cleanup_~i~0 := 1 + cleanup_~i~0; 4356#L188-2true [2018-12-01 16:53:45,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:53:45,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1323712467, now seen corresponding path program 1 times [2018-12-01 16:53:45,839 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:53:45,840 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:53:45,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:53:45,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:53:45,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:53:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:53:45,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:53:45,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:53:45,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 16:53:45,990 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-12-01 16:53:45,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:53:45,990 INFO L82 PathProgramCache]: Analyzing trace with hash 2119774427, now seen corresponding path program 1 times [2018-12-01 16:53:45,990 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:53:45,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:53:45,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:53:45,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:53:45,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:53:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 16:53:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 16:53:46,156 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2018-12-01 16:53:46,349 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2018-12-01 16:53:46,357 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 16:53:46,357 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 16:53:46,358 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 16:53:46,358 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 16:53:46,358 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-01 16:53:46,358 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 16:53:46,358 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 16:53:46,358 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 16:53:46,358 INFO L131 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product26_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-12-01 16:53:46,358 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 16:53:46,358 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 16:53:46,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:46,701 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 16:53:46,701 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c081843-f1c4-40cf-83b6-7ae516d67655/bin-2019/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 [2018-12-01 16:53:46,706 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 16:53:46,706 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 16:53:46,711 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 16:53:46,711 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret147=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret147=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c081843-f1c4-40cf-83b6-7ae516d67655/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 16:53:46,731 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 16:53:46,731 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 16:53:46,735 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 16:53:46,735 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___1~6=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___1~6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c081843-f1c4-40cf-83b6-7ae516d67655/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 16:53:46,751 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 16:53:46,751 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 16:53:46,753 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 16:53:46,753 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret151=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret151=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c081843-f1c4-40cf-83b6-7ae516d67655/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 16:53:46,772 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 16:53:46,772 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 16:53:46,778 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 16:53:46,778 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_areDoorsOpen_#res=-8, ULTIMATE.start_areDoorsOpen_~retValue_acc~4=-8, ULTIMATE.start_timeShift_~tmp~19=-8, ~doorState~0=-8, ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___4~3=-8} Honda state: {ULTIMATE.start_areDoorsOpen_#res=-8, ULTIMATE.start_areDoorsOpen_~retValue_acc~4=-8, ULTIMATE.start_timeShift_~tmp~19=-8, ~doorState~0=-8, ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___4~3=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c081843-f1c4-40cf-83b6-7ae516d67655/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 16:53:46,794 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 16:53:46,794 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 16:53:46,796 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 16:53:46,796 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_~tmp___1~1=0} Honda state: {ULTIMATE.start_anyStopRequested_~tmp___1~1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c081843-f1c4-40cf-83b6-7ae516d67655/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 16:53:46,811 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 16:53:46,811 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c081843-f1c4-40cf-83b6-7ae516d67655/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 16:53:46,828 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-01 16:53:46,828 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 16:53:47,289 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-01 16:53:47,291 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 16:53:47,291 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 16:53:47,291 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 16:53:47,291 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 16:53:47,291 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-01 16:53:47,291 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 16:53:47,291 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 16:53:47,291 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 16:53:47,291 INFO L131 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product26_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-12-01 16:53:47,291 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 16:53:47,291 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 16:53:47,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 16:53:47,612 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 16:53:47,615 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-01 16:53:47,616 INFO L122 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 [2018-12-01 16:53:47,617 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 16:53:47,617 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 16:53:47,618 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 16:53:47,618 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-01 16:53:47,618 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 16:53:47,620 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 16:53:47,620 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 16:53:47,628 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 16:53:47,628 INFO L122 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 [2018-12-01 16:53:47,629 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 16:53:47,629 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 16:53:47,629 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 16:53:47,629 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 16:53:47,629 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 16:53:47,630 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 16:53:47,630 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 16:53:47,630 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 16:53:47,631 INFO L122 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 [2018-12-01 16:53:47,631 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 16:53:47,631 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 16:53:47,631 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 16:53:47,631 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 16:53:47,632 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 16:53:47,632 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 16:53:47,632 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 16:53:47,633 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 16:53:47,633 INFO L122 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 [2018-12-01 16:53:47,633 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 16:53:47,633 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 16:53:47,634 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 16:53:47,634 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 16:53:47,634 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 16:53:47,634 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 16:53:47,634 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 16:53:47,635 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 16:53:47,635 INFO L122 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 [2018-12-01 16:53:47,636 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 16:53:47,636 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 16:53:47,636 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 16:53:47,636 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 16:53:47,636 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 16:53:47,636 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 16:53:47,637 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 16:53:47,637 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 16:53:47,638 INFO L122 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 [2018-12-01 16:53:47,638 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 16:53:47,638 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 16:53:47,638 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 16:53:47,638 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 16:53:47,639 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 16:53:47,639 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 16:53:47,639 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 16:53:47,643 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-01 16:53:47,647 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-12-01 16:53:47,647 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-12-01 16:53:47,648 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-01 16:53:47,648 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-01 16:53:47,649 INFO L518 LassoAnalysis]: Proved termination. [2018-12-01 16:53:47,649 INFO L520 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 [] [2018-12-01 16:53:47,650 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-01 16:53:47,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:53:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:53:47,733 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 16:53:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:53:47,756 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 16:53:47,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:53:47,788 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 [2018-12-01 16:53:47,789 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4855 states. Second operand 5 states. [2018-12-01 16:53:48,030 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4855 states.. Second operand 5 states. Result 7332 states and 13832 transitions. Complement of second has 9 states. [2018-12-01 16:53:48,030 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 [2018-12-01 16:53:48,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-12-01 16:53:48,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9227 transitions. [2018-12-01 16:53:48,038 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9227 transitions. Stem has 24 letters. Loop has 22 letters. [2018-12-01 16:53:48,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 16:53:48,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9227 transitions. Stem has 46 letters. Loop has 22 letters. [2018-12-01 16:53:48,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 16:53:48,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9227 transitions. Stem has 24 letters. Loop has 44 letters. [2018-12-01 16:53:48,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 16:53:48,041 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7332 states and 13832 transitions. [2018-12-01 16:53:48,093 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-01 16:53:48,095 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7332 states to 0 states and 0 transitions. [2018-12-01 16:53:48,096 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-01 16:53:48,096 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-01 16:53:48,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-01 16:53:48,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 16:53:48,097 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 16:53:48,097 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 16:53:48,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 16:53:48,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 16:53:48,101 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-12-01 16:53:48,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:53:48,103 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-12-01 16:53:48,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 16:53:48,104 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-12-01 16:53:48,104 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-01 16:53:48,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 16:53:48,104 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-01 16:53:48,104 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-01 16:53:48,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-01 16:53:48,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 16:53:48,104 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 16:53:48,104 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 16:53:48,104 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 16:53:48,104 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-01 16:53:48,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-01 16:53:48,104 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-01 16:53:48,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-01 16:53:48,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 04:53:48 BoogieIcfgContainer [2018-12-01 16:53:48,108 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-01 16:53:48,109 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 16:53:48,109 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 16:53:48,109 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 16:53:48,109 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:53:45" (3/4) ... [2018-12-01 16:53:48,111 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 16:53:48,111 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 16:53:48,112 INFO L168 Benchmark]: Toolchain (without parser) took 7741.66 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 554.2 MB). Free memory was 954.9 MB in the beginning and 1.2 GB in the end (delta: -249.4 MB). Peak memory consumption was 304.7 MB. Max. memory is 11.5 GB. [2018-12-01 16:53:48,113 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 16:53:48,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 410.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. [2018-12-01 16:53:48,113 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. [2018-12-01 16:53:48,114 INFO L168 Benchmark]: Boogie Preprocessor took 127.10 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: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. [2018-12-01 16:53:48,114 INFO L168 Benchmark]: RCFGBuilder took 4562.27 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 201.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -133.3 MB). Peak memory consumption was 432.5 MB. Max. memory is 11.5 GB. [2018-12-01 16:53:48,115 INFO L168 Benchmark]: BuchiAutomizer took 2511.75 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 199.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -70.8 MB). Peak memory consumption was 128.4 MB. Max. memory is 11.5 GB. [2018-12-01 16:53:48,115 INFO L168 Benchmark]: Witness Printer took 2.68 ms. Allocated memory is still 1.6 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 16:53:48,118 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 410.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 125.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 127.10 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: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4562.27 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 201.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -133.3 MB). Peak memory consumption was 432.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2511.75 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 199.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -70.8 MB). Peak memory consumption was 128.4 MB. Max. memory is 11.5 GB. * Witness Printer took 2.68 ms. Allocated memory is still 1.6 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 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9193 SDtfs, 18352 SDslu, 4613 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: 12ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...