./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product20_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3e557f3b-c4e6-4c35-baca-c679dc4eb957/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3e557f3b-c4e6-4c35-baca-c679dc4eb957/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3e557f3b-c4e6-4c35-baca-c679dc4eb957/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3e557f3b-c4e6-4c35-baca-c679dc4eb957/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product20_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3e557f3b-c4e6-4c35-baca-c679dc4eb957/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3e557f3b-c4e6-4c35-baca-c679dc4eb957/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 fdf87a043cfa0322a32123bf9fd837be20929f79 ................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:21:10,096 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:21:10,097 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:21:10,104 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:21:10,104 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:21:10,105 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:21:10,105 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:21:10,106 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:21:10,108 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:21:10,108 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:21:10,109 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:21:10,109 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:21:10,110 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:21:10,110 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:21:10,111 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:21:10,112 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:21:10,112 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:21:10,114 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:21:10,115 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:21:10,116 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:21:10,117 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:21:10,118 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:21:10,119 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:21:10,120 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:21:10,120 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:21:10,120 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:21:10,121 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:21:10,122 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:21:10,122 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:21:10,123 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:21:10,123 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:21:10,124 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:21:10,124 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:21:10,124 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:21:10,125 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:21:10,125 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:21:10,126 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3e557f3b-c4e6-4c35-baca-c679dc4eb957/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 10:21:10,137 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:21:10,137 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:21:10,138 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:21:10,138 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:21:10,138 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:21:10,138 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 10:21:10,138 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 10:21:10,138 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 10:21:10,139 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 10:21:10,139 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 10:21:10,139 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 10:21:10,139 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:21:10,139 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:21:10,139 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:21:10,139 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:21:10,139 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:21:10,140 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:21:10,140 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 10:21:10,140 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 10:21:10,140 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 10:21:10,140 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:21:10,140 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:21:10,140 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 10:21:10,141 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:21:10,141 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 10:21:10,141 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:21:10,141 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:21:10,141 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 10:21:10,141 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:21:10,141 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:21:10,141 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 10:21:10,142 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 10:21:10,142 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_3e557f3b-c4e6-4c35-baca-c679dc4eb957/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 -> fdf87a043cfa0322a32123bf9fd837be20929f79 [2018-11-18 10:21:10,163 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:21:10,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:21:10,174 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:21:10,175 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:21:10,175 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:21:10,176 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3e557f3b-c4e6-4c35-baca-c679dc4eb957/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product20_true-unreach-call_false-termination.cil.c [2018-11-18 10:21:10,211 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3e557f3b-c4e6-4c35-baca-c679dc4eb957/bin-2019/uautomizer/data/58143cf9a/05d4901a664d4dfaaa25b5173358291c/FLAGf5f3a6c7b [2018-11-18 10:21:10,667 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:21:10,668 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3e557f3b-c4e6-4c35-baca-c679dc4eb957/sv-benchmarks/c/product-lines/minepump_spec1_product20_true-unreach-call_false-termination.cil.c [2018-11-18 10:21:10,677 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3e557f3b-c4e6-4c35-baca-c679dc4eb957/bin-2019/uautomizer/data/58143cf9a/05d4901a664d4dfaaa25b5173358291c/FLAGf5f3a6c7b [2018-11-18 10:21:10,689 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3e557f3b-c4e6-4c35-baca-c679dc4eb957/bin-2019/uautomizer/data/58143cf9a/05d4901a664d4dfaaa25b5173358291c [2018-11-18 10:21:10,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:21:10,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:21:10,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:21:10,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:21:10,697 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:21:10,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:21:10" (1/1) ... [2018-11-18 10:21:10,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:10, skipping insertion in model container [2018-11-18 10:21:10,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:21:10" (1/1) ... [2018-11-18 10:21:10,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:21:10,742 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:21:10,937 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:21:10,947 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:21:11,049 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:21:11,066 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:21:11,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:11 WrapperNode [2018-11-18 10:21:11,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:21:11,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:21:11,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:21:11,067 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:21:11,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:11" (1/1) ... [2018-11-18 10:21:11,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:11" (1/1) ... [2018-11-18 10:21:11,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:21:11,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:21:11,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:21:11,102 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:21:11,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:11" (1/1) ... [2018-11-18 10:21:11,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:11" (1/1) ... [2018-11-18 10:21:11,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:11" (1/1) ... [2018-11-18 10:21:11,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:11" (1/1) ... [2018-11-18 10:21:11,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:11" (1/1) ... [2018-11-18 10:21:11,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:11" (1/1) ... [2018-11-18 10:21:11,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:11" (1/1) ... [2018-11-18 10:21:11,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:21:11,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:21:11,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:21:11,122 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:21:11,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3e557f3b-c4e6-4c35-baca-c679dc4eb957/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 [2018-11-18 10:21:11,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:21:11,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:21:11,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:21:11,645 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:21:11,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:21:11 BoogieIcfgContainer [2018-11-18 10:21:11,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:21:11,646 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 10:21:11,646 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 10:21:11,648 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 10:21:11,649 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:21:11,649 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 10:21:10" (1/3) ... [2018-11-18 10:21:11,650 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d8edb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:21:11, skipping insertion in model container [2018-11-18 10:21:11,650 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:21:11,650 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:11" (2/3) ... [2018-11-18 10:21:11,650 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d8edb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:21:11, skipping insertion in model container [2018-11-18 10:21:11,650 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:21:11,650 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:21:11" (3/3) ... [2018-11-18 10:21:11,652 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product20_true-unreach-call_false-termination.cil.c [2018-11-18 10:21:11,683 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:21:11,683 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 10:21:11,683 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 10:21:11,683 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 10:21:11,683 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:21:11,683 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:21:11,683 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 10:21:11,684 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:21:11,684 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 10:21:11,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states. [2018-11-18 10:21:11,712 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2018-11-18 10:21:11,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:21:11,713 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:21:11,719 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:21:11,719 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:21:11,719 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 10:21:11,719 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states. [2018-11-18 10:21:11,723 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2018-11-18 10:21:11,723 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:21:11,723 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:21:11,724 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:21:11,724 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:21:11,729 INFO L794 eck$LassoCheckResult]: Stem: 75#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(13);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 44];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 77];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 101];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 116];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 104];#memory_int := #memory_int[#t~string27.base,5 + #t~string27.offset := 58];#memory_int := #memory_int[#t~string27.base,6 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 67];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 82];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 73];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 84];#memory_int := #memory_int[#t~string29.base,4 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 79];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 75];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 41];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(21);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 14#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 33#L885true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 67#L878true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 40#L893true main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 38#L139true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 99#L112true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 79#L165-3true [2018-11-18 10:21:11,729 INFO L796 eck$LassoCheckResult]: Loop: 79#L165-3true assume true; 81#L165-1true assume !false; 46#L166true assume test_~splverifierCounter~0 < 4; 103#L167true test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; 3#L175true assume !(0 != test_~tmp~1); 21#L175-2true test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 60#L185true assume !(0 != test_~tmp___0~0); 57#L185-2true test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 94#L195true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 37#L403true assume { :end_inline_startSystem } true; 87#L203-2true assume { :begin_inline_timeShift } true; 82#L239true assume !(0 != ~pumpRunning~0); 93#L239-2true assume !(0 != ~systemActive~0); 47#L246-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_#t~ret71, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 84#L451true __utac_acc__Specification1_spec__1_#t~ret70 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret70;havoc __utac_acc__Specification1_spec__1_#t~ret70; 63#L906true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 54#L906-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 76#L256true assume { :end_inline_timeShift } true; 79#L165-3true [2018-11-18 10:21:11,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:21:11,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 10:21:11,734 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:21:11,735 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:21:11,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:11,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:21:11,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:21:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:21:11,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:21:11,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1262996499, now seen corresponding path program 1 times [2018-11-18 10:21:11,879 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:21:11,879 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:21:11,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:11,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:21:11,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:11,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:21:11,918 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:21:11,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:21:11,921 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 10:21:11,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:21:11,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:21:11,931 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 3 states. [2018-11-18 10:21:11,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:21:11,987 INFO L93 Difference]: Finished difference Result 203 states and 259 transitions. [2018-11-18 10:21:11,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:21:11,989 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 203 states and 259 transitions. [2018-11-18 10:21:11,993 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 132 [2018-11-18 10:21:11,997 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 203 states to 183 states and 238 transitions. [2018-11-18 10:21:11,998 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 183 [2018-11-18 10:21:11,999 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 183 [2018-11-18 10:21:11,999 INFO L73 IsDeterministic]: Start isDeterministic. Operand 183 states and 238 transitions. [2018-11-18 10:21:12,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:21:12,000 INFO L705 BuchiCegarLoop]: Abstraction has 183 states and 238 transitions. [2018-11-18 10:21:12,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states and 238 transitions. [2018-11-18 10:21:12,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 180. [2018-11-18 10:21:12,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-11-18 10:21:12,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 234 transitions. [2018-11-18 10:21:12,027 INFO L728 BuchiCegarLoop]: Abstraction has 180 states and 234 transitions. [2018-11-18 10:21:12,027 INFO L608 BuchiCegarLoop]: Abstraction has 180 states and 234 transitions. [2018-11-18 10:21:12,028 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 10:21:12,028 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 180 states and 234 transitions. [2018-11-18 10:21:12,030 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 129 [2018-11-18 10:21:12,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:21:12,031 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:21:12,031 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:21:12,031 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] [2018-11-18 10:21:12,032 INFO L794 eck$LassoCheckResult]: Stem: 390#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(13);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 44];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 77];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 101];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 116];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 104];#memory_int := #memory_int[#t~string27.base,5 + #t~string27.offset := 58];#memory_int := #memory_int[#t~string27.base,6 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 67];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 82];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 73];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 84];#memory_int := #memory_int[#t~string29.base,4 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 79];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 75];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 41];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(21);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 347#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 348#L885 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 368#L878 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 369#L893 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 398#L139 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 399#L112 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 394#L165-3 [2018-11-18 10:21:12,032 INFO L796 eck$LassoCheckResult]: Loop: 394#L165-3 assume true; 401#L165-1 assume !false; 410#L166 assume test_~splverifierCounter~0 < 4; 414#L167 test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; 321#L175 assume !(0 != test_~tmp~1); 323#L175-2 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 359#L185 assume !(0 != test_~tmp___0~0); 432#L185-2 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 435#L195 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 391#L403 assume { :end_inline_startSystem } true; 392#L203-2 assume { :begin_inline_timeShift } true; 437#L239 assume !(0 != ~pumpRunning~0); 421#L239-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 422#L271 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 457#L263-1 assume { :end_inline_processEnvironment__wrappee__base } true; 456#L271-1 assume { :end_inline_processEnvironment } true; 455#L246-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_#t~ret71, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 454#L451 __utac_acc__Specification1_spec__1_#t~ret70 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret70;havoc __utac_acc__Specification1_spec__1_#t~ret70; 452#L906 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 433#L906-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 393#L256 assume { :end_inline_timeShift } true; 394#L165-3 [2018-11-18 10:21:12,032 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:21:12,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 10:21:12,032 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:21:12,032 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:21:12,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:12,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:21:12,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:21:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:21:12,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:21:12,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1345633118, now seen corresponding path program 1 times [2018-11-18 10:21:12,086 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:21:12,086 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:21:12,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:12,087 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:21:12,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:21:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:21:12,097 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:21:12,097 INFO L82 PathProgramCache]: Analyzing trace with hash -893963938, now seen corresponding path program 1 times [2018-11-18 10:21:12,097 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:21:12,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:21:12,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:12,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:21:12,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:21:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:22:36,858 WARN L180 SmtUtils]: Spent 1.41 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 10:23:21,322 WARN L180 SmtUtils]: Spent 44.46 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 10:23:21,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 10:23:21 BoogieIcfgContainer [2018-11-18 10:23:21,396 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 10:23:21,396 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:23:21,396 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:23:21,397 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:23:21,397 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:21:11" (3/4) ... [2018-11-18 10:23:21,400 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 10:23:21,444 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3e557f3b-c4e6-4c35-baca-c679dc4eb957/bin-2019/uautomizer/witness.graphml [2018-11-18 10:23:21,444 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:23:21,445 INFO L168 Benchmark]: Toolchain (without parser) took 130753.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.0 MB). Free memory was 956.4 MB in the beginning and 893.1 MB in the end (delta: 63.4 MB). Peak memory consumption was 258.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:23:21,446 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:23:21,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:23:21,446 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.56 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:23:21,447 INFO L168 Benchmark]: Boogie Preprocessor took 19.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:23:21,447 INFO L168 Benchmark]: RCFGBuilder took 524.23 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: 66.9 MB). Peak memory consumption was 66.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:23:21,447 INFO L168 Benchmark]: BuchiAutomizer took 129749.95 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.9 MB). Free memory was 1.0 GB in the beginning and 893.1 MB in the end (delta: 145.7 MB). Peak memory consumption was 267.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:23:21,447 INFO L168 Benchmark]: Witness Printer took 47.81 ms. Allocated memory is still 1.2 GB. Free memory is still 893.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:23:21,449 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 373.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.56 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 524.23 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: 66.9 MB). Peak memory consumption was 66.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 129749.95 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.9 MB). Free memory was 1.0 GB in the beginning and 893.1 MB in the end (delta: 145.7 MB). Peak memory consumption was 267.5 MB. Max. memory is 11.5 GB. * Witness Printer took 47.81 ms. Allocated memory is still 1.2 GB. Free memory is still 893.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 180 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 129.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 129.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 180 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 133 SDtfs, 126 SDslu, 119 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 165]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "On"=35, "i > 0 && i <= this->argsCount"=16, "__utac__get_this_argtype"=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5695a4dc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39e9c1a8=161, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1634cac9=0, "__utac__get_this_argtype"=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8f395a8=0, "i > 0 && i <= this->argsCount"=38, "libacc.c"=15, methaneLevelCritical=0, "Pump(System:"=36, retValue_acc=1, "libacc.c"=0, ")"=20, "__utac__get_this_argtype"=0, tmp___1=0, "CRIT"=23, tmp___0=0, "Pump(System:"=0, ") "=28, cleanupTimeShifts=4, tmp=0, "Env(Water:%i"=26, "OK"=22, ",Pump:"=33, "libacc.c"=18, "Env(Water:%i"=0, ",Meth:"=0, "CRIT"=0, NULL=0, systemActive=1, waterLevel=1, ",Pump:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5bfb29cf=0, "Off"=0, "Off"=34, "On"=0, retValue_acc=0, "__utac__get_this_arg"=0, tmp___0=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, "libacc.c"=0, "libacc.c"=0, \result=1, "Off"=29, head=0, pumpRunning=0, tmp=1, "__utac__get_this_arg"=14, \result=0, "i > 0 && i <= this->argsCount"=19, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54f7b19d=0, "__utac__get_this_argtype"=39, "On"=0, ")"=0, "Off"=0, "i > 0 && i <= this->argsCount"=12, "\n"=27, tmp___2=161, splverifierCounter=0, \result=0, tmp=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d6217ba=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@143d5351=0, ",Meth:"=24, ") "=0, "On"=31, "OK"=0, "\n"=0, "libacc.c"=8, "__utac__get_this_arg"=17, "libacc.c"=37} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 165]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L333] FCALL "Pump(System:" [L337] FCALL "On" [L341] FCALL "Off" [L345] FCALL ",Pump:" [L349] FCALL "On" [L353] FCALL "Off" [L357] FCALL ") " [L359] FCALL "\n" [L460] FCALL "Env(Water:%i" [L461] FCALL ",Meth:" [L465] FCALL "CRIT" [L469] FCALL "OK" [L473] FCALL ")" [L794] FCALL "i > 0 && i <= this->argsCount" [L794] FCALL "libacc.c" [L795] FCALL "__utac__get_this_arg" [L801] FCALL "i > 0 && i <= this->argsCount" [L801] FCALL "libacc.c" [L802] FCALL "__utac__get_this_arg" [L840] FCALL "i > 0 && i <= this->argsCount" [L840] FCALL "libacc.c" [L841] FCALL "__utac__get_this_argtype" [L847] FCALL "i > 0 && i <= this->argsCount" [L847] FCALL "libacc.c" [L848] FCALL "__utac__get_this_argtype" [L49] int cleanupTimeShifts = 4; [L231] int pumpRunning = 0; [L232] int systemActive = 1; [L408] int waterLevel = 1; [L409] int methaneLevelCritical = 0; [L666] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L130] int retValue_acc ; [L131] int tmp ; [L135] FCALL select_helpers() [L136] FCALL select_features() [L137] CALL, EXPR valid_product() [L889] int retValue_acc ; [L892] retValue_acc = 1 [L893] RET return (retValue_acc); [L137] EXPR valid_product() [L137] tmp = valid_product() [L139] COND TRUE \read(tmp) [L141] FCALL setup() [L142] CALL runTest() [L121] CALL test() [L156] int splverifierCounter ; [L157] int tmp ; [L158] int tmp___0 ; [L159] int tmp___1 ; [L160] int tmp___2 ; [L163] splverifierCounter = 0 Loop: [L165] COND TRUE 1 [L167] COND TRUE splverifierCounter < 4 [L173] tmp = __VERIFIER_nondet_int() [L175] COND FALSE !(\read(tmp)) [L183] tmp___0 = __VERIFIER_nondet_int() [L185] COND FALSE !(\read(tmp___0)) [L193] tmp___2 = __VERIFIER_nondet_int() [L195] COND TRUE \read(tmp___2) [L197] CALL startSystem() [L402] RET systemActive = 1 [L197] startSystem() [L212] CALL timeShift() [L239] COND FALSE !(\read(pumpRunning)) [L246] COND TRUE \read(systemActive) [L248] CALL processEnvironment() [L268] int tmp ; [L271] COND FALSE !(\read(pumpRunning)) [L286] RET, FCALL processEnvironment__wrappee__base() [L248] processEnvironment() [L254] CALL __utac_acc__Specification1_spec__1() [L899] int tmp ; [L900] int tmp___0 ; [L904] CALL, EXPR isMethaneLevelCritical() [L447] int retValue_acc ; [L450] retValue_acc = methaneLevelCritical [L451] RET return (retValue_acc); [L904] EXPR isMethaneLevelCritical() [L904] tmp = isMethaneLevelCritical() [L906] COND FALSE, RET !(\read(tmp)) [L254] RET __utac_acc__Specification1_spec__1() [L212] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...