./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product40_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_a33a8f1c-a007-4c98-9df6-6ee21e339604/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a33a8f1c-a007-4c98-9df6-6ee21e339604/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a33a8f1c-a007-4c98-9df6-6ee21e339604/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a33a8f1c-a007-4c98-9df6-6ee21e339604/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product40_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a33a8f1c-a007-4c98-9df6-6ee21e339604/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a33a8f1c-a007-4c98-9df6-6ee21e339604/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 9c111f83061d8c18367444893b685a787d8ca976 .............................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 [2018-12-09 13:16:26,171 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 13:16:26,172 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 13:16:26,178 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 13:16:26,178 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 13:16:26,178 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 13:16:26,179 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 13:16:26,180 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 13:16:26,181 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 13:16:26,182 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 13:16:26,182 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 13:16:26,182 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 13:16:26,183 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 13:16:26,183 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 13:16:26,184 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 13:16:26,184 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 13:16:26,185 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 13:16:26,186 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 13:16:26,187 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 13:16:26,188 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 13:16:26,188 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 13:16:26,189 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 13:16:26,190 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 13:16:26,190 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 13:16:26,190 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 13:16:26,191 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 13:16:26,191 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 13:16:26,192 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 13:16:26,192 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 13:16:26,193 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 13:16:26,193 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 13:16:26,193 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 13:16:26,194 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 13:16:26,194 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 13:16:26,194 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 13:16:26,195 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 13:16:26,195 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a33a8f1c-a007-4c98-9df6-6ee21e339604/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-09 13:16:26,203 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 13:16:26,203 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 13:16:26,204 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 13:16:26,204 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 13:16:26,204 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 13:16:26,204 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 13:16:26,204 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 13:16:26,204 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 13:16:26,204 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 13:16:26,204 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 13:16:26,204 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 13:16:26,205 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 13:16:26,205 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 13:16:26,205 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 13:16:26,205 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 13:16:26,205 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 13:16:26,205 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 13:16:26,205 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 13:16:26,205 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 13:16:26,205 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 13:16:26,205 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 13:16:26,205 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 13:16:26,205 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 13:16:26,206 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 13:16:26,206 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 13:16:26,206 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 13:16:26,206 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 13:16:26,206 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 13:16:26,206 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 13:16:26,206 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 13:16:26,206 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 13:16:26,207 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 13:16:26,207 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_a33a8f1c-a007-4c98-9df6-6ee21e339604/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 -> 9c111f83061d8c18367444893b685a787d8ca976 [2018-12-09 13:16:26,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 13:16:26,230 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 13:16:26,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 13:16:26,233 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 13:16:26,233 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 13:16:26,234 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a33a8f1c-a007-4c98-9df6-6ee21e339604/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product40_true-unreach-call_false-termination.cil.c [2018-12-09 13:16:26,271 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a33a8f1c-a007-4c98-9df6-6ee21e339604/bin-2019/uautomizer/data/51771fe96/15d517f2f3ec4a1fad9a9b698d232afe/FLAGb15d641fb [2018-12-09 13:16:26,605 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 13:16:26,605 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a33a8f1c-a007-4c98-9df6-6ee21e339604/sv-benchmarks/c/product-lines/minepump_spec2_product40_true-unreach-call_false-termination.cil.c [2018-12-09 13:16:26,611 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a33a8f1c-a007-4c98-9df6-6ee21e339604/bin-2019/uautomizer/data/51771fe96/15d517f2f3ec4a1fad9a9b698d232afe/FLAGb15d641fb [2018-12-09 13:16:26,619 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a33a8f1c-a007-4c98-9df6-6ee21e339604/bin-2019/uautomizer/data/51771fe96/15d517f2f3ec4a1fad9a9b698d232afe [2018-12-09 13:16:26,621 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 13:16:26,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 13:16:26,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 13:16:26,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 13:16:26,624 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 13:16:26,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:16:26" (1/1) ... [2018-12-09 13:16:26,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:16:26, skipping insertion in model container [2018-12-09 13:16:26,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:16:26" (1/1) ... [2018-12-09 13:16:26,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 13:16:26,654 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 13:16:26,816 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:16:26,863 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 13:16:26,918 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:16:26,940 INFO L195 MainTranslator]: Completed translation [2018-12-09 13:16:26,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:16:26 WrapperNode [2018-12-09 13:16:26,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 13:16:26,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 13:16:26,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 13:16:26,941 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 13:16:26,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:16:26" (1/1) ... [2018-12-09 13:16:26,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:16:26" (1/1) ... [2018-12-09 13:16:26,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 13:16:26,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 13:16:26,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 13:16:26,985 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 13:16:26,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:16:26" (1/1) ... [2018-12-09 13:16:26,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:16:26" (1/1) ... [2018-12-09 13:16:26,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:16:26" (1/1) ... [2018-12-09 13:16:26,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:16:26" (1/1) ... [2018-12-09 13:16:26,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:16:26" (1/1) ... [2018-12-09 13:16:27,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:16:26" (1/1) ... [2018-12-09 13:16:27,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:16:26" (1/1) ... [2018-12-09 13:16:27,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 13:16:27,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 13:16:27,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 13:16:27,009 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 13:16:27,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:16:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a33a8f1c-a007-4c98-9df6-6ee21e339604/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 [2018-12-09 13:16:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 13:16:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 13:16:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 13:16:27,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 13:16:27,372 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 13:16:27,372 INFO L280 CfgBuilder]: Removed 164 assue(true) statements. [2018-12-09 13:16:27,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:16:27 BoogieIcfgContainer [2018-12-09 13:16:27,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 13:16:27,373 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 13:16:27,373 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 13:16:27,375 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 13:16:27,376 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 13:16:27,376 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 01:16:26" (1/3) ... [2018-12-09 13:16:27,377 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d4f7985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 01:16:27, skipping insertion in model container [2018-12-09 13:16:27,377 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 13:16:27,377 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:16:26" (2/3) ... [2018-12-09 13:16:27,377 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d4f7985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 01:16:27, skipping insertion in model container [2018-12-09 13:16:27,377 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 13:16:27,377 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:16:27" (3/3) ... [2018-12-09 13:16:27,378 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product40_true-unreach-call_false-termination.cil.c [2018-12-09 13:16:27,408 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 13:16:27,409 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 13:16:27,409 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 13:16:27,409 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 13:16:27,409 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 13:16:27,409 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 13:16:27,409 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 13:16:27,409 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 13:16:27,409 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 13:16:27,419 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states. [2018-12-09 13:16:27,435 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2018-12-09 13:16:27,435 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 13:16:27,435 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 13:16:27,440 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:16:27,441 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:16:27,441 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 13:16:27,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states. [2018-12-09 13:16:27,444 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2018-12-09 13:16:27,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 13:16:27,444 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 13:16:27,444 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:16:27,445 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:16:27,448 INFO L794 eck$LassoCheckResult]: Stem: 93#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string3.base, #t~string3.offset := #Ultimate.alloc(13);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string20.base, #t~string20.offset := #Ultimate.alloc(13);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(80, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(117, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(109, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(112, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(32, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4; 13#L-1true havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~8;havoc main_~retValue_acc~9;havoc main_~tmp~8; 60#L956true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 63#L964true main_#t~ret71 := valid_product_#res;main_~tmp~8 := main_#t~ret71;havoc main_#t~ret71; 64#L920true assume 0 != main_~tmp~8; 37#L893true ~methAndRunningLastTime~0 := 0; 103#L49true havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 102#L60-1true [2018-12-09 13:16:27,448 INFO L796 eck$LassoCheckResult]: Loop: 102#L60-1true assume !false; 3#L197true assume test_~splverifierCounter~0 < 4; 86#L198true test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; 111#L206true assume !(0 != test_~tmp~1); 108#L206-1true test_~tmp___0~1 := test_#t~nondet13;havoc test_#t~nondet13; 42#L216true assume !(0 != test_~tmp___0~1); 39#L216-1true test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; 81#L226true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 77#L234-1true assume !(0 != ~pumpRunning~0); 55#L265true assume !(0 != ~systemActive~0); 101#L272true havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 21#L131-1true __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; 104#L60true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 102#L60-1true [2018-12-09 13:16:27,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:16:27,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-12-09 13:16:27,453 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 13:16:27,454 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 13:16:27,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:16:27,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:16:27,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:16:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:16:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:16:27,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:16:27,578 INFO L82 PathProgramCache]: Analyzing trace with hash 13835412, now seen corresponding path program 1 times [2018-12-09 13:16:27,579 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 13:16:27,579 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 13:16:27,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:16:27,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:16:27,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:16:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:16:27,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:16:27,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:16:27,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 13:16:27,613 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-09 13:16:27,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 13:16:27,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 13:16:27,623 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 3 states. [2018-12-09 13:16:27,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:16:27,657 INFO L93 Difference]: Finished difference Result 221 states and 325 transitions. [2018-12-09 13:16:27,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 13:16:27,658 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 221 states and 325 transitions. [2018-12-09 13:16:27,661 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 142 [2018-12-09 13:16:27,665 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 221 states to 207 states and 310 transitions. [2018-12-09 13:16:27,666 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 207 [2018-12-09 13:16:27,666 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 207 [2018-12-09 13:16:27,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 310 transitions. [2018-12-09 13:16:27,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 13:16:27,667 INFO L705 BuchiCegarLoop]: Abstraction has 207 states and 310 transitions. [2018-12-09 13:16:27,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 310 transitions. [2018-12-09 13:16:27,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 205. [2018-12-09 13:16:27,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-12-09 13:16:27,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 307 transitions. [2018-12-09 13:16:27,691 INFO L728 BuchiCegarLoop]: Abstraction has 205 states and 307 transitions. [2018-12-09 13:16:27,691 INFO L608 BuchiCegarLoop]: Abstraction has 205 states and 307 transitions. [2018-12-09 13:16:27,691 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-09 13:16:27,691 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 205 states and 307 transitions. [2018-12-09 13:16:27,693 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 140 [2018-12-09 13:16:27,693 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 13:16:27,693 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 13:16:27,693 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:16:27,693 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:16:27,693 INFO L794 eck$LassoCheckResult]: Stem: 459#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string3.base, #t~string3.offset := #Ultimate.alloc(13);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string20.base, #t~string20.offset := #Ultimate.alloc(13);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(80, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(117, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(109, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(112, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(32, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4; 364#L-1 havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~8;havoc main_~retValue_acc~9;havoc main_~tmp~8; 365#L956 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 435#L964 main_#t~ret71 := valid_product_#res;main_~tmp~8 := main_#t~ret71;havoc main_#t~ret71; 437#L920 assume 0 != main_~tmp~8; 399#L893 ~methAndRunningLastTime~0 := 0; 400#L49 havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 378#L60-1 [2018-12-09 13:16:27,694 INFO L796 eck$LassoCheckResult]: Loop: 378#L60-1 assume !false; 481#L197 assume test_~splverifierCounter~0 < 4; 480#L198 test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; 479#L206 assume !(0 != test_~tmp~1); 464#L206-1 test_~tmp___0~1 := test_#t~nondet13;havoc test_#t~nondet13; 406#L216 assume !(0 != test_~tmp___0~1); 401#L216-1 test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; 402#L226 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 447#L234-1 assume !(0 != ~pumpRunning~0); 430#L265 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret17, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 413#L323 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret16, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; 414#L297-1 assume !(0 == ~pumpRunning~0); 434#L272 havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 485#L131-1 __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; 462#L60 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 378#L60-1 [2018-12-09 13:16:27,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:16:27,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-12-09 13:16:27,694 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 13:16:27,694 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 13:16:27,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:16:27,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:16:27,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:16:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:16:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:16:27,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:16:27,730 INFO L82 PathProgramCache]: Analyzing trace with hash -2029358293, now seen corresponding path program 1 times [2018-12-09 13:16:27,730 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 13:16:27,730 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 13:16:27,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:16:27,731 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 13:16:27,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:16:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:16:27,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:16:27,743 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:16:27,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 13:16:27,743 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-09 13:16:27,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 13:16:27,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 13:16:27,744 INFO L87 Difference]: Start difference. First operand 205 states and 307 transitions. cyclomatic complexity: 105 Second operand 3 states. [2018-12-09 13:16:27,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:16:27,813 INFO L93 Difference]: Finished difference Result 294 states and 419 transitions. [2018-12-09 13:16:27,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 13:16:27,814 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 294 states and 419 transitions. [2018-12-09 13:16:27,817 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 207 [2018-12-09 13:16:27,819 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 294 states to 294 states and 419 transitions. [2018-12-09 13:16:27,820 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 294 [2018-12-09 13:16:27,820 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 294 [2018-12-09 13:16:27,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 294 states and 419 transitions. [2018-12-09 13:16:27,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 13:16:27,822 INFO L705 BuchiCegarLoop]: Abstraction has 294 states and 419 transitions. [2018-12-09 13:16:27,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states and 419 transitions. [2018-12-09 13:16:27,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2018-12-09 13:16:27,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-12-09 13:16:27,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 419 transitions. [2018-12-09 13:16:27,832 INFO L728 BuchiCegarLoop]: Abstraction has 294 states and 419 transitions. [2018-12-09 13:16:27,832 INFO L608 BuchiCegarLoop]: Abstraction has 294 states and 419 transitions. [2018-12-09 13:16:27,832 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-09 13:16:27,832 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 294 states and 419 transitions. [2018-12-09 13:16:27,834 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 207 [2018-12-09 13:16:27,834 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 13:16:27,834 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 13:16:27,835 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:16:27,835 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:16:27,835 INFO L794 eck$LassoCheckResult]: Stem: 966#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string3.base, #t~string3.offset := #Ultimate.alloc(13);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string20.base, #t~string20.offset := #Ultimate.alloc(13);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(80, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(117, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(109, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(112, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(32, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4; 869#L-1 havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~8;havoc main_~retValue_acc~9;havoc main_~tmp~8; 870#L956 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 934#L964 main_#t~ret71 := valid_product_#res;main_~tmp~8 := main_#t~ret71;havoc main_#t~ret71; 936#L920 assume 0 != main_~tmp~8; 904#L893 ~methAndRunningLastTime~0 := 0; 905#L49 havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 969#L60-1 [2018-12-09 13:16:27,835 INFO L796 eck$LassoCheckResult]: Loop: 969#L60-1 assume !false; 1057#L197 assume test_~splverifierCounter~0 < 4; 960#L198 test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; 961#L206 assume !(0 != test_~tmp~1); 901#L206-1 test_~tmp___0~1 := test_#t~nondet13;havoc test_#t~nondet13; 912#L216 assume !(0 != test_~tmp___0~1); 906#L216-1 test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; 907#L226 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 952#L234-1 assume !(0 != ~pumpRunning~0); 929#L265 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret17, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 917#L323 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret16, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; 918#L297-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret35, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 953#L171-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 954#L176-1 isHighWaterLevel_#t~ret35 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret35;havoc isHighWaterLevel_#t~ret35; 910#L425-3 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~2 := 0; 911#L425-5 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 1077#L431-1 processEnvironment__wrappee__highWaterSensor_#t~ret16 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret16;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16; 1070#L301-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2); 1069#L272 havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 1122#L131-1 __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; 1120#L60 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 969#L60-1 [2018-12-09 13:16:27,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:16:27,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2018-12-09 13:16:27,836 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 13:16:27,836 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 13:16:27,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:16:27,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:16:27,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:16:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:16:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:16:27,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:16:27,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1583413303, now seen corresponding path program 1 times [2018-12-09 13:16:27,878 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 13:16:27,878 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 13:16:27,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:16:27,879 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 13:16:27,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:16:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:16:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:16:27,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:16:27,891 INFO L82 PathProgramCache]: Analyzing trace with hash -938412367, now seen corresponding path program 1 times [2018-12-09 13:16:27,891 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 13:16:27,891 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 13:16:27,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:16:27,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:16:27,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:16:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:16:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:16:32,332 WARN L180 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-12-09 13:16:34,411 WARN L180 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 425 [2018-12-09 13:16:34,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 01:16:34 BoogieIcfgContainer [2018-12-09 13:16:34,444 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 13:16:34,444 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 13:16:34,445 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 13:16:34,445 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 13:16:34,445 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:16:27" (3/4) ... [2018-12-09 13:16:34,447 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-09 13:16:34,486 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a33a8f1c-a007-4c98-9df6-6ee21e339604/bin-2019/uautomizer/witness.graphml [2018-12-09 13:16:34,486 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 13:16:34,486 INFO L168 Benchmark]: Toolchain (without parser) took 7865.57 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 299.4 MB). Free memory was 954.9 MB in the beginning and 983.0 MB in the end (delta: -28.1 MB). Peak memory consumption was 271.3 MB. Max. memory is 11.5 GB. [2018-12-09 13:16:34,487 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-09 13:16:34,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -156.0 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 13:16:34,488 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.49 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. [2018-12-09 13:16:34,488 INFO L168 Benchmark]: Boogie Preprocessor took 23.72 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-09 13:16:34,488 INFO L168 Benchmark]: RCFGBuilder took 364.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 11.5 GB. [2018-12-09 13:16:34,488 INFO L168 Benchmark]: BuchiAutomizer took 7071.11 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 172.0 MB). Free memory was 1.0 GB in the beginning and 992.5 MB in the end (delta: 55.7 MB). Peak memory consumption was 360.5 MB. Max. memory is 11.5 GB. [2018-12-09 13:16:34,489 INFO L168 Benchmark]: Witness Printer took 41.52 ms. Allocated memory is still 1.3 GB. Free memory was 992.5 MB in the beginning and 983.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2018-12-09 13:16:34,491 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -156.0 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.49 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 23.72 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 364.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7071.11 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 172.0 MB). Free memory was 1.0 GB in the beginning and 992.5 MB in the end (delta: 55.7 MB). Peak memory consumption was 360.5 MB. Max. memory is 11.5 GB. * Witness Printer took 41.52 ms. Allocated memory is still 1.3 GB. Free memory was 992.5 MB in the beginning and 983.0 MB 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 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 3 locations. The remainder module has 294 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 6.8s. 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 294 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 322 SDtfs, 276 SDslu, 218 SDs, 0 SdLazy, 41 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI2 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: 196]: 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, retValue_acc=0, NULL=0, NULL=33, NULL=0, NULL=29, NULL=34, retValue_acc=0, NULL=38, NULL=15, NULL=22, methaneLevelCritical=0, tmp___0=0, retValue_acc=1, retValue_acc=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6636cf4=0, NULL=28, NULL=0, tmp___1=0, NULL=24, NULL=14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d2204b3=0, cleanupTimeShifts=4, NULL=19, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c00f19b=0, tmp=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=35, \result=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=8, \result=0, NULL=20, retValue_acc=1, tmp=1, NULL=0, \result=1, tmp___0=0, NULL=37, NULL=23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c585717=0, tmp=1, NULL=16, tmp___2=56, NULL=17, tmp___0=0, NULL=26, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=31, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a0754bb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@659f5449=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7721eea6=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@668443f8=0, NULL=12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55a219ab=0, tmp=0, head=0, NULL=0, NULL=0, NULL=27, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2cefc4a3=0, NULL=0, NULL=36, NULL=11, tmp=0, NULL=0, NULL=0, NULL=18, NULL=39} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L43] int methAndRunningLastTime ; [L88] int waterLevel = 1; [L89] int methaneLevelCritical = 0; [L258] int pumpRunning = 0; [L259] int systemActive = 1; [L628] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L834] int cleanupTimeShifts = 4; [L911] int retValue_acc ; [L912] int tmp ; [L960] int retValue_acc ; [L963] retValue_acc = 1 [L964] return (retValue_acc); [L918] tmp = valid_product() [L920] COND TRUE \read(tmp) [L48] methAndRunningLastTime = 0 [L187] int splverifierCounter ; [L188] int tmp ; [L189] int tmp___0 ; [L190] int tmp___1 ; [L191] int tmp___2 ; [L194] splverifierCounter = 0 Loop: [L196] COND TRUE 1 [L198] COND TRUE splverifierCounter < 4 [L204] tmp = __VERIFIER_nondet_int() [L206] COND FALSE !(\read(tmp)) [L214] tmp___0 = __VERIFIER_nondet_int() [L216] COND FALSE !(\read(tmp___0)) [L224] tmp___2 = __VERIFIER_nondet_int() [L226] COND TRUE \read(tmp___2) [L454] systemActive = 1 [L265] COND FALSE !(\read(pumpRunning)) [L272] COND TRUE \read(systemActive) [L320] int tmp ; [L323] COND FALSE !(\read(pumpRunning)) [L294] int tmp ; [L297] COND TRUE ! pumpRunning [L417] int retValue_acc ; [L418] int tmp ; [L419] int tmp___0 ; [L168] int retValue_acc ; [L171] COND TRUE waterLevel < 2 [L172] retValue_acc = 1 [L173] return (retValue_acc); [L423] tmp = isHighWaterSensorDry() [L425] COND TRUE \read(tmp) [L426] tmp___0 = 0 [L430] retValue_acc = tmp___0 [L431] return (retValue_acc); [L299] tmp = isHighWaterLevel() [L301] COND FALSE !(\read(tmp)) [L53] int tmp ; [L54] int tmp___0 ; [L127] int retValue_acc ; [L130] retValue_acc = methaneLevelCritical [L131] return (retValue_acc); [L58] tmp = isMethaneLevelCritical() [L60] COND FALSE !(\read(tmp)) [L76] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...