./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product32_true-unreach-call_false-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_aa19197f-3742-4a35-8a96-a324039c712b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aa19197f-3742-4a35-8a96-a324039c712b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aa19197f-3742-4a35-8a96-a324039c712b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aa19197f-3742-4a35-8a96-a324039c712b/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product32_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_aa19197f-3742-4a35-8a96-a324039c712b/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aa19197f-3742-4a35-8a96-a324039c712b/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 bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 .................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-635dfa2 [2018-12-01 21:53:45,766 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 21:53:45,767 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 21:53:45,773 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 21:53:45,773 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 21:53:45,774 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 21:53:45,774 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 21:53:45,775 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 21:53:45,776 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 21:53:45,776 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 21:53:45,777 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 21:53:45,777 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 21:53:45,778 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 21:53:45,778 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 21:53:45,779 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 21:53:45,779 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 21:53:45,780 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 21:53:45,781 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 21:53:45,782 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 21:53:45,782 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 21:53:45,783 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 21:53:45,784 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 21:53:45,785 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 21:53:45,785 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 21:53:45,785 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 21:53:45,786 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 21:53:45,786 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 21:53:45,787 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 21:53:45,787 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 21:53:45,788 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 21:53:45,788 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 21:53:45,788 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 21:53:45,788 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 21:53:45,788 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 21:53:45,789 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 21:53:45,789 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 21:53:45,790 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aa19197f-3742-4a35-8a96-a324039c712b/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-01 21:53:45,798 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 21:53:45,798 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 21:53:45,799 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 21:53:45,799 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 21:53:45,799 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 21:53:45,799 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-01 21:53:45,799 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-01 21:53:45,799 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-01 21:53:45,799 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-01 21:53:45,800 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-01 21:53:45,800 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-01 21:53:45,800 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 21:53:45,800 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 21:53:45,800 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 21:53:45,800 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 21:53:45,800 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 21:53:45,800 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 21:53:45,801 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-01 21:53:45,801 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-01 21:53:45,801 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-01 21:53:45,801 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 21:53:45,801 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 21:53:45,801 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-01 21:53:45,801 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 21:53:45,801 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-01 21:53:45,802 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 21:53:45,802 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 21:53:45,802 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-01 21:53:45,802 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 21:53:45,802 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 21:53:45,802 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-01 21:53:45,803 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-01 21:53:45,803 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_aa19197f-3742-4a35-8a96-a324039c712b/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 -> bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 [2018-12-01 21:53:45,821 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 21:53:45,828 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 21:53:45,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 21:53:45,831 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 21:53:45,831 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 21:53:45,831 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aa19197f-3742-4a35-8a96-a324039c712b/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product32_true-unreach-call_false-termination.cil.c [2018-12-01 21:53:45,865 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aa19197f-3742-4a35-8a96-a324039c712b/bin-2019/uautomizer/data/354401ab4/753dd2ca323c4067a5cac3ccfff9b64e/FLAGfbda753df [2018-12-01 21:53:46,310 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 21:53:46,310 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aa19197f-3742-4a35-8a96-a324039c712b/sv-benchmarks/c/product-lines/minepump_spec4_product32_true-unreach-call_false-termination.cil.c [2018-12-01 21:53:46,316 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aa19197f-3742-4a35-8a96-a324039c712b/bin-2019/uautomizer/data/354401ab4/753dd2ca323c4067a5cac3ccfff9b64e/FLAGfbda753df [2018-12-01 21:53:46,325 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aa19197f-3742-4a35-8a96-a324039c712b/bin-2019/uautomizer/data/354401ab4/753dd2ca323c4067a5cac3ccfff9b64e [2018-12-01 21:53:46,327 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 21:53:46,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 21:53:46,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 21:53:46,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 21:53:46,330 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 21:53:46,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:53:46" (1/1) ... [2018-12-01 21:53:46,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:53:46, skipping insertion in model container [2018-12-01 21:53:46,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:53:46" (1/1) ... [2018-12-01 21:53:46,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 21:53:46,362 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 21:53:46,533 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 21:53:46,580 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 21:53:46,631 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 21:53:46,653 INFO L195 MainTranslator]: Completed translation [2018-12-01 21:53:46,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:53:46 WrapperNode [2018-12-01 21:53:46,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 21:53:46,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 21:53:46,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 21:53:46,654 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 21:53:46,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:53:46" (1/1) ... [2018-12-01 21:53:46,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:53:46" (1/1) ... [2018-12-01 21:53:46,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 21:53:46,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 21:53:46,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 21:53:46,692 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 21:53:46,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:53:46" (1/1) ... [2018-12-01 21:53:46,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:53:46" (1/1) ... [2018-12-01 21:53:46,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:53:46" (1/1) ... [2018-12-01 21:53:46,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:53:46" (1/1) ... [2018-12-01 21:53:46,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:53:46" (1/1) ... [2018-12-01 21:53:46,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:53:46" (1/1) ... [2018-12-01 21:53:46,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:53:46" (1/1) ... [2018-12-01 21:53:46,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 21:53:46,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 21:53:46,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 21:53:46,713 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 21:53:46,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:53:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aa19197f-3742-4a35-8a96-a324039c712b/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 21:53:46,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 21:53:46,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 21:53:46,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 21:53:46,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 21:53:47,042 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 21:53:47,043 INFO L280 CfgBuilder]: Removed 162 assue(true) statements. [2018-12-01 21:53:47,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:53:47 BoogieIcfgContainer [2018-12-01 21:53:47,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 21:53:47,044 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-01 21:53:47,044 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-01 21:53:47,046 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-01 21:53:47,047 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 21:53:47,047 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 09:53:46" (1/3) ... [2018-12-01 21:53:47,048 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15a3c4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 09:53:47, skipping insertion in model container [2018-12-01 21:53:47,048 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 21:53:47,048 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:53:46" (2/3) ... [2018-12-01 21:53:47,049 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15a3c4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 09:53:47, skipping insertion in model container [2018-12-01 21:53:47,049 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 21:53:47,049 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:53:47" (3/3) ... [2018-12-01 21:53:47,050 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product32_true-unreach-call_false-termination.cil.c [2018-12-01 21:53:47,084 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 21:53:47,085 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-01 21:53:47,085 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-01 21:53:47,085 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-01 21:53:47,085 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 21:53:47,085 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 21:53:47,085 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-01 21:53:47,085 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 21:53:47,085 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-01 21:53:47,095 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2018-12-01 21:53:47,110 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-12-01 21:53:47,111 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 21:53:47,111 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 21:53:47,116 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-01 21:53:47,116 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 21:53:47,116 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-01 21:53:47,116 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2018-12-01 21:53:47,119 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-12-01 21:53:47,119 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 21:53:47,119 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 21:53:47,120 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-01 21:53:47,120 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 21:53:47,123 INFO L794 eck$LassoCheckResult]: Stem: 74#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1); 17#L-1true havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 33#L94true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 40#L102true main_#t~ret3 := valid_product_#res;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 98#L203true assume 0 != main_~tmp~1; 48#L179true havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 12#L51-1true [2018-12-01 21:53:47,124 INFO L796 eck$LassoCheckResult]: Loop: 12#L51-1true assume !false; 29#L909true assume test_~splverifierCounter~0 < 4; 5#L910true test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 20#L918true assume !(0 != test_~tmp~9); 21#L918-1true test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 49#L928true assume !(0 != test_~tmp___0~2); 53#L928-1true test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 94#L938true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 103#L946-1true assume !(0 != ~pumpRunning~0); 19#L687true assume !(0 != ~systemActive~0); 46#L694true havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 14#L296true __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 15#L51true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 12#L51-1true [2018-12-01 21:53:47,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 21:53:47,128 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-12-01 21:53:47,129 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 21:53:47,129 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 21:53:47,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 21:53:47,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 21:53:47,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 21:53:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 21:53:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 21:53:47,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 21:53:47,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1670755444, now seen corresponding path program 1 times [2018-12-01 21:53:47,250 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 21:53:47,250 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 21:53:47,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 21:53:47,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 21:53:47,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 21:53:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:53:47,278 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 21:53:47,279 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 21:53:47,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 21:53:47,282 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-01 21:53:47,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 21:53:47,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 21:53:47,292 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 3 states. [2018-12-01 21:53:47,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 21:53:47,334 INFO L93 Difference]: Finished difference Result 202 states and 288 transitions. [2018-12-01 21:53:47,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 21:53:47,336 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 202 states and 288 transitions. [2018-12-01 21:53:47,338 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 130 [2018-12-01 21:53:47,342 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 202 states to 188 states and 273 transitions. [2018-12-01 21:53:47,342 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 188 [2018-12-01 21:53:47,343 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 188 [2018-12-01 21:53:47,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 273 transitions. [2018-12-01 21:53:47,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 21:53:47,344 INFO L705 BuchiCegarLoop]: Abstraction has 188 states and 273 transitions. [2018-12-01 21:53:47,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 273 transitions. [2018-12-01 21:53:47,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186. [2018-12-01 21:53:47,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2018-12-01 21:53:47,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 270 transitions. [2018-12-01 21:53:47,367 INFO L728 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2018-12-01 21:53:47,367 INFO L608 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2018-12-01 21:53:47,367 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-01 21:53:47,367 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states and 270 transitions. [2018-12-01 21:53:47,370 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2018-12-01 21:53:47,370 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 21:53:47,370 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 21:53:47,370 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-01 21:53:47,370 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 21:53:47,371 INFO L794 eck$LassoCheckResult]: Stem: 408#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1); 339#L-1 havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 340#L94 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 362#L102 main_#t~ret3 := valid_product_#res;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 373#L203 assume 0 != main_~tmp~1; 381#L179 havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 382#L51-1 [2018-12-01 21:53:47,371 INFO L796 eck$LassoCheckResult]: Loop: 382#L51-1 assume !false; 430#L909 assume test_~splverifierCounter~0 < 4; 318#L910 test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 319#L918 assume !(0 != test_~tmp~9); 345#L918-1 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 346#L928 assume !(0 != test_~tmp___0~2); 351#L928-1 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 383#L938 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 418#L946-1 assume !(0 != ~pumpRunning~0); 444#L687 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 420#L745 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret49, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 421#L719-1 assume !(0 != ~pumpRunning~0); 433#L694 havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 432#L296 __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 431#L51 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 382#L51-1 [2018-12-01 21:53:47,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 21:53:47,371 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-12-01 21:53:47,371 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 21:53:47,371 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 21:53:47,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 21:53:47,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 21:53:47,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 21:53:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 21:53:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 21:53:47,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 21:53:47,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1427585826, now seen corresponding path program 1 times [2018-12-01 21:53:47,424 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 21:53:47,424 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 21:53:47,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 21:53:47,425 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 21:53:47,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 21:53:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 21:53:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 21:53:47,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 21:53:47,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1021999224, now seen corresponding path program 1 times [2018-12-01 21:53:47,434 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 21:53:47,434 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 21:53:47,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 21:53:47,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 21:53:47,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 21:53:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 21:53:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 21:53:52,640 WARN L180 SmtUtils]: Spent 5.08 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-12-01 21:53:55,050 WARN L180 SmtUtils]: Spent 2.41 s on a formula simplification that was a NOOP. DAG size: 423 [2018-12-01 21:53:55,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 09:53:55 BoogieIcfgContainer [2018-12-01 21:53:55,082 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-01 21:53:55,082 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 21:53:55,082 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 21:53:55,082 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 21:53:55,083 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:53:47" (3/4) ... [2018-12-01 21:53:55,085 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-01 21:53:55,113 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_aa19197f-3742-4a35-8a96-a324039c712b/bin-2019/uautomizer/witness.graphml [2018-12-01 21:53:55,113 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 21:53:55,114 INFO L168 Benchmark]: Toolchain (without parser) took 8786.71 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 224.4 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -50.0 MB). Peak memory consumption was 174.4 MB. Max. memory is 11.5 GB. [2018-12-01 21:53:55,114 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 21:53:55,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 65.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -95.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-01 21:53:55,115 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2018-12-01 21:53:55,115 INFO L168 Benchmark]: Boogie Preprocessor took 20.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 21:53:55,115 INFO L168 Benchmark]: RCFGBuilder took 330.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 979.0 MB in the end (delta: 64.9 MB). Peak memory consumption was 64.9 MB. Max. memory is 11.5 GB. [2018-12-01 21:53:55,116 INFO L168 Benchmark]: BuchiAutomizer took 8038.04 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 159.4 MB). Free memory was 979.0 MB in the beginning and 1.0 GB in the end (delta: -36.5 MB). Peak memory consumption was 388.4 MB. Max. memory is 11.5 GB. [2018-12-01 21:53:55,116 INFO L168 Benchmark]: Witness Printer took 31.14 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2018-12-01 21:53:55,117 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 325.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 65.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -95.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 330.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 979.0 MB in the end (delta: 64.9 MB). Peak memory consumption was 64.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8038.04 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 159.4 MB). Free memory was 979.0 MB in the beginning and 1.0 GB in the end (delta: -36.5 MB). Peak memory consumption was 388.4 MB. Max. memory is 11.5 GB. * Witness Printer took 31.14 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. 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 186 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 7.8s. 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 186 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 146 SDtfs, 142 SDslu, 134 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: 908]: 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, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=38, NULL=0, NULL=0, NULL=0, NULL=19, NULL=0, NULL=0, NULL=0, NULL=24, NULL=12, NULL=34, methaneLevelCritical=0, NULL=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70ca62ea=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22f7310c=0, NULL=26, NULL=0, NULL=42, NULL=0, NULL=35, tmp___1=0, tmp=0, tmp___0=0, NULL=40, cleanupTimeShifts=4, NULL=15, NULL=16, NULL=36, NULL=0, systemActive=1, waterLevel=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d1a2516=0, \result=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e8899a8=0, NULL=23, NULL=22, NULL=0, NULL=18, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16e76dc1=0, NULL=0, NULL=33, tmp=1, NULL=0, NULL=0, NULL=0, NULL=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b574d51=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3dc69e9f=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e886785=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@189d12fe=0, NULL=29, retValue_acc=1, tmp___2=56, tmp___0=0, retValue_acc=1, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=20, head=0, tmp=0, NULL=39, NULL=0, NULL=37, NULL=0, NULL=0, NULL=31, NULL=28, NULL=14, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L116] int cleanupTimeShifts = 4; [L221] int waterLevel = 1; [L222] int methaneLevelCritical = 0; [L479] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L680] int pumpRunning = 0; [L681] int systemActive = 1; [L194] int retValue_acc ; [L195] int tmp ; [L98] int retValue_acc ; [L101] retValue_acc = 1 [L102] return (retValue_acc); [L201] tmp = valid_product() [L203] COND TRUE \read(tmp) [L899] int splverifierCounter ; [L900] int tmp ; [L901] int tmp___0 ; [L902] int tmp___1 ; [L903] int tmp___2 ; [L906] splverifierCounter = 0 Loop: [L908] COND TRUE 1 [L910] COND TRUE splverifierCounter < 4 [L916] tmp = __VERIFIER_nondet_int() [L918] COND FALSE !(\read(tmp)) [L926] tmp___0 = __VERIFIER_nondet_int() [L928] COND FALSE !(\read(tmp___0)) [L936] tmp___2 = __VERIFIER_nondet_int() [L938] COND TRUE \read(tmp___2) [L893] systemActive = 1 [L687] COND FALSE !(\read(pumpRunning)) [L694] COND TRUE \read(systemActive) [L742] int tmp ; [L745] COND FALSE !(\read(pumpRunning)) [L716] int tmp ; [L719] COND FALSE !(\read(pumpRunning)) [L44] int tmp ; [L45] int tmp___0 ; [L292] int retValue_acc ; [L295] retValue_acc = waterLevel [L296] return (retValue_acc); [L49] tmp = getWaterLevel() [L51] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...