./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product20_false-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_eb75b5a9-f6f4-4868-b8d0-ecb9404e3169/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eb75b5a9-f6f4-4868-b8d0-ecb9404e3169/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eb75b5a9-f6f4-4868-b8d0-ecb9404e3169/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eb75b5a9-f6f4-4868-b8d0-ecb9404e3169/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product20_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_eb75b5a9-f6f4-4868-b8d0-ecb9404e3169/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eb75b5a9-f6f4-4868-b8d0-ecb9404e3169/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 cea13255bd81d7ff756db691b6bf5b4173b6edc1 .............................................................................................................................................................................................................................................................................................................................................................................................................................. 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 [2018-12-08 09:03:59,826 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 09:03:59,827 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 09:03:59,833 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 09:03:59,833 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 09:03:59,834 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 09:03:59,834 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 09:03:59,835 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 09:03:59,836 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 09:03:59,836 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 09:03:59,837 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 09:03:59,837 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 09:03:59,837 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 09:03:59,838 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 09:03:59,838 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 09:03:59,839 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 09:03:59,839 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 09:03:59,840 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 09:03:59,841 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 09:03:59,842 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 09:03:59,842 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 09:03:59,843 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 09:03:59,844 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 09:03:59,844 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 09:03:59,844 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 09:03:59,845 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 09:03:59,846 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 09:03:59,846 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 09:03:59,846 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 09:03:59,847 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 09:03:59,847 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 09:03:59,847 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 09:03:59,848 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 09:03:59,848 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 09:03:59,848 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 09:03:59,848 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 09:03:59,849 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eb75b5a9-f6f4-4868-b8d0-ecb9404e3169/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-08 09:03:59,857 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 09:03:59,857 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 09:03:59,857 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 09:03:59,858 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 09:03:59,858 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 09:03:59,858 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-08 09:03:59,858 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-08 09:03:59,858 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-08 09:03:59,858 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-08 09:03:59,858 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-08 09:03:59,858 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-08 09:03:59,858 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 09:03:59,858 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 09:03:59,859 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 09:03:59,859 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 09:03:59,859 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 09:03:59,859 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 09:03:59,859 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-08 09:03:59,859 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-08 09:03:59,859 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-08 09:03:59,859 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 09:03:59,859 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 09:03:59,859 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-08 09:03:59,859 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 09:03:59,860 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-08 09:03:59,860 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 09:03:59,860 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 09:03:59,860 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-08 09:03:59,860 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 09:03:59,860 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 09:03:59,860 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-08 09:03:59,861 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-08 09:03:59,861 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_eb75b5a9-f6f4-4868-b8d0-ecb9404e3169/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 -> cea13255bd81d7ff756db691b6bf5b4173b6edc1 [2018-12-08 09:03:59,878 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 09:03:59,885 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 09:03:59,886 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 09:03:59,887 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 09:03:59,887 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 09:03:59,888 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eb75b5a9-f6f4-4868-b8d0-ecb9404e3169/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product20_false-unreach-call_false-termination.cil.c [2018-12-08 09:03:59,923 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb75b5a9-f6f4-4868-b8d0-ecb9404e3169/bin-2019/uautomizer/data/936569d4f/b283039537da438ab993c34ce1b91585/FLAG575fc0ded [2018-12-08 09:04:00,354 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 09:04:00,355 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eb75b5a9-f6f4-4868-b8d0-ecb9404e3169/sv-benchmarks/c/product-lines/minepump_spec3_product20_false-unreach-call_false-termination.cil.c [2018-12-08 09:04:00,360 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb75b5a9-f6f4-4868-b8d0-ecb9404e3169/bin-2019/uautomizer/data/936569d4f/b283039537da438ab993c34ce1b91585/FLAG575fc0ded [2018-12-08 09:04:00,368 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eb75b5a9-f6f4-4868-b8d0-ecb9404e3169/bin-2019/uautomizer/data/936569d4f/b283039537da438ab993c34ce1b91585 [2018-12-08 09:04:00,370 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 09:04:00,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 09:04:00,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 09:04:00,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 09:04:00,373 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 09:04:00,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:04:00" (1/1) ... [2018-12-08 09:04:00,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:04:00, skipping insertion in model container [2018-12-08 09:04:00,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:04:00" (1/1) ... [2018-12-08 09:04:00,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 09:04:00,399 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 09:04:00,542 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 09:04:00,550 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 09:04:00,633 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 09:04:00,647 INFO L195 MainTranslator]: Completed translation [2018-12-08 09:04:00,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:04:00 WrapperNode [2018-12-08 09:04:00,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 09:04:00,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 09:04:00,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 09:04:00,648 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 09:04:00,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:04:00" (1/1) ... [2018-12-08 09:04:00,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:04:00" (1/1) ... [2018-12-08 09:04:00,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 09:04:00,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 09:04:00,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 09:04:00,682 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 09:04:00,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:04:00" (1/1) ... [2018-12-08 09:04:00,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:04:00" (1/1) ... [2018-12-08 09:04:00,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:04:00" (1/1) ... [2018-12-08 09:04:00,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:04:00" (1/1) ... [2018-12-08 09:04:00,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:04:00" (1/1) ... [2018-12-08 09:04:00,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:04:00" (1/1) ... [2018-12-08 09:04:00,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:04:00" (1/1) ... [2018-12-08 09:04:00,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 09:04:00,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 09:04:00,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 09:04:00,701 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 09:04:00,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:04:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb75b5a9-f6f4-4868-b8d0-ecb9404e3169/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 [2018-12-08 09:04:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 09:04:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 09:04:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 09:04:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 09:04:01,002 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 09:04:01,002 INFO L280 CfgBuilder]: Removed 108 assue(true) statements. [2018-12-08 09:04:01,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:04:01 BoogieIcfgContainer [2018-12-08 09:04:01,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 09:04:01,002 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-08 09:04:01,003 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-08 09:04:01,005 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-08 09:04:01,005 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 09:04:01,005 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.12 09:04:00" (1/3) ... [2018-12-08 09:04:01,006 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a926c37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 09:04:01, skipping insertion in model container [2018-12-08 09:04:01,006 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 09:04:01,006 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:04:00" (2/3) ... [2018-12-08 09:04:01,006 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a926c37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 09:04:01, skipping insertion in model container [2018-12-08 09:04:01,007 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 09:04:01,007 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:04:01" (3/3) ... [2018-12-08 09:04:01,008 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product20_false-unreach-call_false-termination.cil.c [2018-12-08 09:04:01,038 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 09:04:01,038 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-08 09:04:01,038 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-08 09:04:01,038 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-08 09:04:01,039 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 09:04:01,039 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 09:04:01,039 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-08 09:04:01,039 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 09:04:01,039 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-08 09:04:01,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 80 states. [2018-12-08 09:04:01,063 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2018-12-08 09:04:01,063 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 09:04:01,063 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 09:04:01,068 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-08 09:04:01,068 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:04:01,068 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-08 09:04:01,069 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 80 states. [2018-12-08 09:04:01,071 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2018-12-08 09:04:01,071 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 09:04:01,071 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 09:04:01,071 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-08 09:04:01,072 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:04:01,075 INFO L794 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string43.base, #t~string43.offset := #Ultimate.alloc(13);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 13#L-1true havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3; 19#L65true 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; 12#L73true main_#t~ret36 := valid_product_#res;main_~tmp~3 := main_#t~ret36;havoc main_#t~ret36; 33#L531true assume 0 != main_~tmp~3; 80#L507true havoc test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 34#L564-1true [2018-12-08 09:04:01,075 INFO L796 eck$LassoCheckResult]: Loop: 34#L564-1true assume !false; 36#L776true assume test_~splverifierCounter~0 < 4; 53#L777true test_~tmp~7 := test_#t~nondet59;havoc test_#t~nondet59; 78#L785true assume !(0 != test_~tmp~7); 81#L785-1true test_~tmp___0~2 := test_#t~nondet60;havoc test_#t~nondet60; 58#L795true assume !(0 != test_~tmp___0~2); 59#L795-1true test_~tmp___2~0 := test_#t~nondet61;havoc test_#t~nondet61; 44#L805true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 49#L813-1true assume !(0 != ~pumpRunning~0); 52#L597true assume !(0 != ~systemActive~0); 40#L604true havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 5#L877true __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; 61#L558true assume 0 != __utac_acc__Specification3_spec__1_~tmp~4; 34#L564-1true [2018-12-08 09:04:01,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:04:01,078 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-12-08 09:04:01,080 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:04:01,080 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:04:01,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:04:01,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:04:01,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:04:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:04:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:04:01,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:04:01,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1672140737, now seen corresponding path program 1 times [2018-12-08 09:04:01,201 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:04:01,201 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:04:01,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:04:01,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:04:01,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:04:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:04:01,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:04:01,240 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:04:01,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 09:04:01,242 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-08 09:04:01,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 09:04:01,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 09:04:01,252 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 3 states. [2018-12-08 09:04:01,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:04:01,285 INFO L93 Difference]: Finished difference Result 154 states and 216 transitions. [2018-12-08 09:04:01,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 09:04:01,287 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 216 transitions. [2018-12-08 09:04:01,289 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 98 [2018-12-08 09:04:01,293 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 140 states and 201 transitions. [2018-12-08 09:04:01,293 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 140 [2018-12-08 09:04:01,294 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 140 [2018-12-08 09:04:01,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 140 states and 201 transitions. [2018-12-08 09:04:01,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-08 09:04:01,295 INFO L705 BuchiCegarLoop]: Abstraction has 140 states and 201 transitions. [2018-12-08 09:04:01,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states and 201 transitions. [2018-12-08 09:04:01,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2018-12-08 09:04:01,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-12-08 09:04:01,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 198 transitions. [2018-12-08 09:04:01,316 INFO L728 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2018-12-08 09:04:01,316 INFO L608 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2018-12-08 09:04:01,316 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-08 09:04:01,316 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 198 transitions. [2018-12-08 09:04:01,317 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2018-12-08 09:04:01,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 09:04:01,318 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 09:04:01,318 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-08 09:04:01,318 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:04:01,318 INFO L794 eck$LassoCheckResult]: Stem: 288#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string43.base, #t~string43.offset := #Ultimate.alloc(13);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 262#L-1 havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3; 263#L65 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; 260#L73 main_#t~ret36 := valid_product_#res;main_~tmp~3 := main_#t~ret36;havoc main_#t~ret36; 261#L531 assume 0 != main_~tmp~3; 289#L507 havoc test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 284#L564-1 [2018-12-08 09:04:01,318 INFO L796 eck$LassoCheckResult]: Loop: 284#L564-1 assume !false; 290#L776 assume test_~splverifierCounter~0 < 4; 291#L777 test_~tmp~7 := test_#t~nondet59;havoc test_#t~nondet59; 374#L785 assume !(0 != test_~tmp~7); 372#L785-1 test_~tmp___0~2 := test_#t~nondet60;havoc test_#t~nondet60; 371#L795 assume !(0 != test_~tmp___0~2); 369#L795-1 test_~tmp___2~0 := test_#t~nondet61;havoc test_#t~nondet61; 366#L805 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 301#L813-1 assume !(0 != ~pumpRunning~0); 308#L597 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 279#L629 assume !(0 != ~pumpRunning~0); 275#L604 havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 247#L877 __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; 248#L558 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4; 284#L564-1 [2018-12-08 09:04:01,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:04:01,318 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-12-08 09:04:01,319 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:04:01,319 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:04:01,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:04:01,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:04:01,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:04:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:04:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:04:01,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:04:01,355 INFO L82 PathProgramCache]: Analyzing trace with hash -323747826, now seen corresponding path program 1 times [2018-12-08 09:04:01,355 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:04:01,355 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:04:01,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:04:01,355 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 09:04:01,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:04:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:04:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:04:01,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:04:01,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1279291700, now seen corresponding path program 1 times [2018-12-08 09:04:01,362 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:04:01,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:04:01,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:04:01,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:04:01,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:04:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:04:01,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:04:01,409 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:04:01,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 09:04:01,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 09:04:01,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 09:04:01,480 INFO L87 Difference]: Start difference. First operand 138 states and 198 transitions. cyclomatic complexity: 63 Second operand 5 states. [2018-12-08 09:04:01,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:04:01,564 INFO L93 Difference]: Finished difference Result 469 states and 686 transitions. [2018-12-08 09:04:01,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 09:04:01,566 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 469 states and 686 transitions. [2018-12-08 09:04:01,572 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 348 [2018-12-08 09:04:01,575 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 469 states to 469 states and 686 transitions. [2018-12-08 09:04:01,576 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 469 [2018-12-08 09:04:01,577 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 469 [2018-12-08 09:04:01,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 469 states and 686 transitions. [2018-12-08 09:04:01,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-08 09:04:01,579 INFO L705 BuchiCegarLoop]: Abstraction has 469 states and 686 transitions. [2018-12-08 09:04:01,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states and 686 transitions. [2018-12-08 09:04:01,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 270. [2018-12-08 09:04:01,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2018-12-08 09:04:01,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 382 transitions. [2018-12-08 09:04:01,595 INFO L728 BuchiCegarLoop]: Abstraction has 270 states and 382 transitions. [2018-12-08 09:04:01,595 INFO L608 BuchiCegarLoop]: Abstraction has 270 states and 382 transitions. [2018-12-08 09:04:01,595 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-08 09:04:01,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 270 states and 382 transitions. [2018-12-08 09:04:01,597 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 192 [2018-12-08 09:04:01,597 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 09:04:01,597 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 09:04:01,598 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-08 09:04:01,598 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:04:01,598 INFO L794 eck$LassoCheckResult]: Stem: 915#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string43.base, #t~string43.offset := #Ultimate.alloc(13);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 887#L-1 havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3; 888#L65 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; 885#L73 main_#t~ret36 := valid_product_#res;main_~tmp~3 := main_#t~ret36;havoc main_#t~ret36; 886#L531 assume 0 != main_~tmp~3; 916#L507 havoc test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 970#L564-1 [2018-12-08 09:04:01,598 INFO L796 eck$LassoCheckResult]: Loop: 970#L564-1 assume !false; 1004#L776 assume test_~splverifierCounter~0 < 4; 944#L777 test_~tmp~7 := test_#t~nondet59;havoc test_#t~nondet59; 945#L785 assume !(0 != test_~tmp~7); 890#L785-1 test_~tmp___0~2 := test_#t~nondet60;havoc test_#t~nondet60; 950#L795 assume !(0 != test_~tmp___0~2); 951#L795-1 test_~tmp___2~0 := test_#t~nondet61;havoc test_#t~nondet61; 1049#L805 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 932#L813-1 assume !(0 != ~pumpRunning~0); 1044#L597 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 1042#L629 assume !(0 != ~pumpRunning~0); 1037#L604 havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 872#L877 __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; 873#L558 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 953#L909 __utac_acc__Specification3_spec__1_#t~ret38 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret38;havoc __utac_acc__Specification3_spec__1_#t~ret38; 1009#L564 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 970#L564-1 [2018-12-08 09:04:01,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:04:01,598 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-12-08 09:04:01,599 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:04:01,599 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:04:01,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:04:01,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:04:01,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:04:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:04:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:04:01,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:04:01,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1884009248, now seen corresponding path program 1 times [2018-12-08 09:04:01,640 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:04:01,640 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:04:01,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:04:01,641 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 09:04:01,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:04:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:04:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:04:01,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:04:01,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1038683270, now seen corresponding path program 1 times [2018-12-08 09:04:01,650 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:04:01,650 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:04:01,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:04:01,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:04:01,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:04:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:04:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:04:06,873 WARN L180 SmtUtils]: Spent 5.10 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-12-08 09:04:09,296 WARN L180 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 423 [2018-12-08 09:04:09,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.12 09:04:09 BoogieIcfgContainer [2018-12-08 09:04:09,328 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-08 09:04:09,328 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 09:04:09,328 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 09:04:09,328 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 09:04:09,328 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:04:01" (3/4) ... [2018-12-08 09:04:09,330 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-08 09:04:09,361 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_eb75b5a9-f6f4-4868-b8d0-ecb9404e3169/bin-2019/uautomizer/witness.graphml [2018-12-08 09:04:09,361 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 09:04:09,362 INFO L168 Benchmark]: Toolchain (without parser) took 8991.46 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 295.7 MB). Free memory was 956.0 MB in the beginning and 918.5 MB in the end (delta: 37.5 MB). Peak memory consumption was 333.2 MB. Max. memory is 11.5 GB. [2018-12-08 09:04:09,362 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 09:04:09,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-08 09:04:09,363 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.45 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. [2018-12-08 09:04:09,363 INFO L168 Benchmark]: Boogie Preprocessor took 18.88 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. [2018-12-08 09:04:09,363 INFO L168 Benchmark]: RCFGBuilder took 301.49 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: 68.4 MB). Peak memory consumption was 68.4 MB. Max. memory is 11.5 GB. [2018-12-08 09:04:09,364 INFO L168 Benchmark]: BuchiAutomizer took 8325.27 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 154.1 MB). Free memory was 1.1 GB in the beginning and 929.6 MB in the end (delta: 128.1 MB). Peak memory consumption was 328.6 MB. Max. memory is 11.5 GB. [2018-12-08 09:04:09,364 INFO L168 Benchmark]: Witness Printer took 33.27 ms. Allocated memory is still 1.3 GB. Free memory was 929.6 MB in the beginning and 918.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-12-08 09:04:09,366 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.45 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. * Boogie Preprocessor took 18.88 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 301.49 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: 68.4 MB). Peak memory consumption was 68.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8325.27 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 154.1 MB). Free memory was 1.1 GB in the beginning and 929.6 MB in the end (delta: 128.1 MB). Peak memory consumption was 328.6 MB. Max. memory is 11.5 GB. * Witness Printer took 33.27 ms. Allocated memory is still 1.3 GB. Free memory was 929.6 MB in the beginning and 918.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 270 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 8.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 201 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 270 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 258 SDtfs, 499 SDslu, 532 SDs, 0 SdLazy, 53 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 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: 775]: 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 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@497906d0=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d6846c5=0, NULL=0, NULL=0, NULL=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4780c159=0, retValue_acc=1, NULL=0, retValue_acc=0, NULL=0, NULL=12, NULL=14, methaneLevelCritical=0, NULL=0, NULL=37, NULL=0, tmp=0, NULL=23, tmp___1=0, NULL=29, NULL=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e73086d=0, tmp___0=1, NULL=20, NULL=39, cleanupTimeShifts=4, NULL=36, tmp=0, NULL=8, NULL=16, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40593987=0, retValue_acc=0, NULL=0, NULL=24, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=31, NULL=26, \result=0, NULL=28, tmp=1, NULL=0, NULL=18, NULL=0, NULL=0, NULL=0, NULL=19, NULL=0, retValue_acc=1, tmp___2=56, tmp___0=0, NULL=17, splverifierCounter=0, \result=0, NULL=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76222533=0, tmp___1=0, head=0, NULL=0, tmp=0, NULL=22, NULL=0, NULL=35, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78d2fa74=0, NULL=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45d936b0=56, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b3ef76c=0, NULL=0, NULL=27, NULL=15} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L444] int cleanupTimeShifts = 4; [L590] int pumpRunning = 0; [L591] int systemActive = 1; [L834] int waterLevel = 1; [L835] int methaneLevelCritical = 0; [L522] int retValue_acc ; [L523] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L529] tmp = valid_product() [L531] COND TRUE \read(tmp) [L766] int splverifierCounter ; [L767] int tmp ; [L768] int tmp___0 ; [L769] int tmp___1 ; [L770] int tmp___2 ; [L773] splverifierCounter = 0 Loop: [L775] COND TRUE 1 [L777] COND TRUE splverifierCounter < 4 [L783] tmp = __VERIFIER_nondet_int() [L785] COND FALSE !(\read(tmp)) [L793] tmp___0 = __VERIFIER_nondet_int() [L795] COND FALSE !(\read(tmp___0)) [L803] tmp___2 = __VERIFIER_nondet_int() [L805] COND TRUE \read(tmp___2) [L760] systemActive = 1 [L597] COND FALSE !(\read(pumpRunning)) [L604] COND TRUE \read(systemActive) [L626] int tmp ; [L629] COND FALSE !(\read(pumpRunning)) [L550] int tmp ; [L551] int tmp___0 ; [L552] int tmp___1 ; [L873] int retValue_acc ; [L876] retValue_acc = methaneLevelCritical [L877] return (retValue_acc); [L556] tmp = isMethaneLevelCritical() [L558] COND FALSE !(\read(tmp)) [L905] int retValue_acc ; [L908] retValue_acc = waterLevel [L909] return (retValue_acc); [L562] tmp___0 = getWaterLevel() [L564] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...