./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product04_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_dd23c424-a5c8-43f1-94c4-4c972359b752/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dd23c424-a5c8-43f1-94c4-4c972359b752/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dd23c424-a5c8-43f1-94c4-4c972359b752/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dd23c424-a5c8-43f1-94c4-4c972359b752/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product04_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dd23c424-a5c8-43f1-94c4-4c972359b752/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dd23c424-a5c8-43f1-94c4-4c972359b752/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 77951208f64a8e7a2de110a05be31eef72f84584 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:40:40,846 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:40:40,847 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:40:40,856 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:40:40,856 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:40:40,857 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:40:40,857 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:40:40,859 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:40:40,860 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:40:40,860 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:40:40,861 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:40:40,861 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:40:40,862 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:40:40,863 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:40:40,863 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:40:40,864 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:40:40,865 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:40:40,866 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:40:40,867 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:40:40,869 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:40:40,869 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:40:40,870 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:40:40,872 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:40:40,872 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:40:40,872 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:40:40,873 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:40:40,874 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:40:40,874 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:40:40,875 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:40:40,876 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:40:40,876 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:40:40,877 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:40:40,877 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:40:40,877 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:40:40,877 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:40:40,878 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:40:40,878 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dd23c424-a5c8-43f1-94c4-4c972359b752/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 15:40:40,889 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:40:40,889 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:40:40,890 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:40:40,891 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:40:40,891 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:40:40,891 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 15:40:40,891 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 15:40:40,891 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 15:40:40,891 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 15:40:40,891 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 15:40:40,892 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 15:40:40,892 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:40:40,892 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:40:40,892 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:40:40,892 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:40:40,892 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:40:40,892 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:40:40,893 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 15:40:40,893 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 15:40:40,893 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 15:40:40,893 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:40:40,893 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:40:40,893 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 15:40:40,893 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:40:40,894 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 15:40:40,894 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:40:40,894 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:40:40,894 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 15:40:40,894 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:40:40,894 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:40:40,894 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 15:40:40,895 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 15:40:40,895 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_dd23c424-a5c8-43f1-94c4-4c972359b752/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 -> 77951208f64a8e7a2de110a05be31eef72f84584 [2018-11-18 15:40:40,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:40:40,927 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:40:40,930 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:40:40,931 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:40:40,931 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:40:40,932 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dd23c424-a5c8-43f1-94c4-4c972359b752/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product04_false-unreach-call_false-termination.cil.c [2018-11-18 15:40:40,976 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dd23c424-a5c8-43f1-94c4-4c972359b752/bin-2019/uautomizer/data/9b36489a7/206b76de3bc84b348bc3a35b631b14dc/FLAG41a04a8c5 [2018-11-18 15:40:41,347 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:40:41,347 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dd23c424-a5c8-43f1-94c4-4c972359b752/sv-benchmarks/c/product-lines/minepump_spec3_product04_false-unreach-call_false-termination.cil.c [2018-11-18 15:40:41,356 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dd23c424-a5c8-43f1-94c4-4c972359b752/bin-2019/uautomizer/data/9b36489a7/206b76de3bc84b348bc3a35b631b14dc/FLAG41a04a8c5 [2018-11-18 15:40:41,368 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dd23c424-a5c8-43f1-94c4-4c972359b752/bin-2019/uautomizer/data/9b36489a7/206b76de3bc84b348bc3a35b631b14dc [2018-11-18 15:40:41,371 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:40:41,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:40:41,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:40:41,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:40:41,376 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:40:41,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:40:41" (1/1) ... [2018-11-18 15:40:41,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:40:41, skipping insertion in model container [2018-11-18 15:40:41,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:40:41" (1/1) ... [2018-11-18 15:40:41,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:40:41,419 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:40:41,612 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:40:41,621 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:40:41,716 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:40:41,730 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:40:41,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:40:41 WrapperNode [2018-11-18 15:40:41,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:40:41,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:40:41,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:40:41,731 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:40:41,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:40:41" (1/1) ... [2018-11-18 15:40:41,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:40:41" (1/1) ... [2018-11-18 15:40:41,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:40:41,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:40:41,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:40:41,772 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:40:41,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:40:41" (1/1) ... [2018-11-18 15:40:41,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:40:41" (1/1) ... [2018-11-18 15:40:41,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:40:41" (1/1) ... [2018-11-18 15:40:41,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:40:41" (1/1) ... [2018-11-18 15:40:41,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:40:41" (1/1) ... [2018-11-18 15:40:41,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:40:41" (1/1) ... [2018-11-18 15:40:41,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:40:41" (1/1) ... [2018-11-18 15:40:41,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:40:41,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:40:41,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:40:41,792 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:40:41,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:40:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dd23c424-a5c8-43f1-94c4-4c972359b752/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 15:40:41,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:40:41,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:40:41,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:40:42,295 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:40:42,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:40:42 BoogieIcfgContainer [2018-11-18 15:40:42,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:40:42,297 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 15:40:42,297 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 15:40:42,299 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 15:40:42,299 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:40:42,300 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 03:40:41" (1/3) ... [2018-11-18 15:40:42,300 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b6801c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:40:42, skipping insertion in model container [2018-11-18 15:40:42,300 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:40:42,301 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:40:41" (2/3) ... [2018-11-18 15:40:42,301 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b6801c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:40:42, skipping insertion in model container [2018-11-18 15:40:42,301 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:40:42,301 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:40:42" (3/3) ... [2018-11-18 15:40:42,302 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product04_false-unreach-call_false-termination.cil.c [2018-11-18 15:40:42,335 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:40:42,335 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 15:40:42,335 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 15:40:42,335 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 15:40:42,335 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:40:42,336 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:40:42,336 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 15:40:42,336 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:40:42,336 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 15:40:42,345 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states. [2018-11-18 15:40:42,364 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2018-11-18 15:40:42,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:40:42,364 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:40:42,371 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:40:42,371 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:40:42,371 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 15:40:42,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states. [2018-11-18 15:40:42,375 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2018-11-18 15:40:42,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:40:42,375 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:40:42,376 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:40:42,376 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:40:42,382 INFO L794 eck$LassoCheckResult]: Stem: 41#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];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(21);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(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(13);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 110];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 102];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 102];#memory_int := #memory_int[#t~string56.base,3 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 44];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 80];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 117];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 109];#memory_int := #memory_int[#t~string58.base,4 + #t~string58.offset := 112];#memory_int := #memory_int[#t~string58.base,5 + #t~string58.offset := 58];#memory_int := #memory_int[#t~string58.base,6 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 110];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 41];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 32];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 10];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 14#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 72#L517true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 66#L510true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 78#L525true main_#t~ret46 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 45#L615true assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 89#L591true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 60#L817-3true [2018-11-18 15:40:42,382 INFO L796 eck$LassoCheckResult]: Loop: 60#L817-3true assume true; 71#L817-1true assume !false; 84#L818true assume test_~splverifierCounter~0 < 4; 18#L819true test_~tmp~5 := test_#t~nondet67;havoc test_#t~nondet67; 52#L827true assume !(0 != test_~tmp~5); 31#L827-2true test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; 27#L837true assume !(0 != test_~tmp___0~1); 6#L837-2true test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 90#L847true assume !(0 != test_~tmp___2~0);test_~tmp___1~1 := test_#t~nondet70;havoc test_#t~nondet70; 8#L855true assume !(0 != test_~tmp___1~1); 12#L855-2true assume { :begin_inline_timeShift } true; 37#L684true assume !(0 != ~pumpRunning~0); 39#L684-2true assume !(0 != ~systemActive~0); 19#L691-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret47, __utac_acc__Specification3_spec__1_#t~ret48, __utac_acc__Specification3_spec__1_#t~ret49, __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;assume { :begin_inline_isMethaneLevelCritical } true;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; 73#L89true __utac_acc__Specification3_spec__1_#t~ret47 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret47;havoc __utac_acc__Specification3_spec__1_#t~ret47; 43#L648true assume 0 != __utac_acc__Specification3_spec__1_~tmp~4; 7#L654-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 83#L701true assume { :end_inline_timeShift } true; 60#L817-3true [2018-11-18 15:40:42,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:40:42,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 15:40:42,389 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:40:42,390 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:40:42,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:40:42,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:40:42,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:40:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:40:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:40:42,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:40:42,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1444567059, now seen corresponding path program 1 times [2018-11-18 15:40:42,538 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:40:42,538 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:40:42,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:40:42,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:40:42,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:40:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:40:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:40:42,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:40:42,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1667758889, now seen corresponding path program 1 times [2018-11-18 15:40:42,551 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:40:42,552 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:40:42,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:40:42,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:40:42,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:40:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:40:42,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:40:42,698 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:40:42,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:40:42,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:40:42,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:40:42,804 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 6 states. [2018-11-18 15:40:43,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:40:43,006 INFO L93 Difference]: Finished difference Result 311 states and 394 transitions. [2018-11-18 15:40:43,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:40:43,010 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 311 states and 394 transitions. [2018-11-18 15:40:43,017 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 202 [2018-11-18 15:40:43,023 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 311 states to 271 states and 354 transitions. [2018-11-18 15:40:43,024 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 271 [2018-11-18 15:40:43,024 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 271 [2018-11-18 15:40:43,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 271 states and 354 transitions. [2018-11-18 15:40:43,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 15:40:43,026 INFO L705 BuchiCegarLoop]: Abstraction has 271 states and 354 transitions. [2018-11-18 15:40:43,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states and 354 transitions. [2018-11-18 15:40:43,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 135. [2018-11-18 15:40:43,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-11-18 15:40:43,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 177 transitions. [2018-11-18 15:40:43,056 INFO L728 BuchiCegarLoop]: Abstraction has 135 states and 177 transitions. [2018-11-18 15:40:43,056 INFO L608 BuchiCegarLoop]: Abstraction has 135 states and 177 transitions. [2018-11-18 15:40:43,056 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 15:40:43,056 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 135 states and 177 transitions. [2018-11-18 15:40:43,057 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 99 [2018-11-18 15:40:43,057 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:40:43,057 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:40:43,058 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:40:43,058 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] [2018-11-18 15:40:43,058 INFO L794 eck$LassoCheckResult]: Stem: 469#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];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(21);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(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(13);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 110];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 102];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 102];#memory_int := #memory_int[#t~string56.base,3 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 44];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 80];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 117];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 109];#memory_int := #memory_int[#t~string58.base,4 + #t~string58.offset := 112];#memory_int := #memory_int[#t~string58.base,5 + #t~string58.offset := 58];#memory_int := #memory_int[#t~string58.base,6 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 110];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 41];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 32];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 10];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 439#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 440#L517 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 487#L510 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 488#L525 main_#t~ret46 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 474#L615 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 475#L591 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 482#L817-3 [2018-11-18 15:40:43,058 INFO L796 eck$LassoCheckResult]: Loop: 482#L817-3 assume true; 483#L817-1 assume !false; 490#L818 assume test_~splverifierCounter~0 < 4; 447#L819 test_~tmp~5 := test_#t~nondet67;havoc test_#t~nondet67; 448#L827 assume !(0 != test_~tmp~5); 463#L827-2 test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; 458#L837 assume !(0 != test_~tmp___0~1); 424#L837-2 test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 425#L847 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 491#L803 assume { :end_inline_startSystem } true; 428#L855-2 assume { :begin_inline_timeShift } true; 436#L684 assume !(0 != ~pumpRunning~0); 465#L684-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 468#L708 assume { :end_inline_processEnvironment } true; 449#L691-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret47, __utac_acc__Specification3_spec__1_#t~ret48, __utac_acc__Specification3_spec__1_#t~ret49, __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;assume { :begin_inline_isMethaneLevelCritical } true;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; 450#L89 __utac_acc__Specification3_spec__1_#t~ret47 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret47;havoc __utac_acc__Specification3_spec__1_#t~ret47; 470#L648 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4; 420#L654-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 426#L701 assume { :end_inline_timeShift } true; 482#L817-3 [2018-11-18 15:40:43,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:40:43,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 15:40:43,059 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:40:43,059 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:40:43,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:40:43,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:40:43,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:40:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:40:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:40:43,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:40:43,096 INFO L82 PathProgramCache]: Analyzing trace with hash 300529074, now seen corresponding path program 1 times [2018-11-18 15:40:43,096 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:40:43,096 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:40:43,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:40:43,097 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 15:40:43,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:40:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:40:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:40:43,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:40:43,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1692294802, now seen corresponding path program 1 times [2018-11-18 15:40:43,105 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:40:43,106 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:40:43,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:40:43,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:40:43,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:40:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:40:43,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:40:43,197 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:40:43,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:40:43,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:40:43,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:40:43,252 INFO L87 Difference]: Start difference. First operand 135 states and 177 transitions. cyclomatic complexity: 45 Second operand 5 states. [2018-11-18 15:40:43,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:40:43,368 INFO L93 Difference]: Finished difference Result 448 states and 590 transitions. [2018-11-18 15:40:43,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:40:43,370 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 448 states and 590 transitions. [2018-11-18 15:40:43,373 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 349 [2018-11-18 15:40:43,376 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 448 states to 448 states and 590 transitions. [2018-11-18 15:40:43,376 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 448 [2018-11-18 15:40:43,377 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 448 [2018-11-18 15:40:43,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 448 states and 590 transitions. [2018-11-18 15:40:43,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 15:40:43,379 INFO L705 BuchiCegarLoop]: Abstraction has 448 states and 590 transitions. [2018-11-18 15:40:43,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states and 590 transitions. [2018-11-18 15:40:43,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 263. [2018-11-18 15:40:43,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2018-11-18 15:40:43,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 339 transitions. [2018-11-18 15:40:43,392 INFO L728 BuchiCegarLoop]: Abstraction has 263 states and 339 transitions. [2018-11-18 15:40:43,393 INFO L608 BuchiCegarLoop]: Abstraction has 263 states and 339 transitions. [2018-11-18 15:40:43,393 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 15:40:43,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 263 states and 339 transitions. [2018-11-18 15:40:43,395 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 198 [2018-11-18 15:40:43,395 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:40:43,395 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:40:43,396 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:40:43,396 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:40:43,396 INFO L794 eck$LassoCheckResult]: Stem: 1076#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];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(21);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(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(13);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 110];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 102];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 102];#memory_int := #memory_int[#t~string56.base,3 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 44];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 80];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 117];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 109];#memory_int := #memory_int[#t~string58.base,4 + #t~string58.offset := 112];#memory_int := #memory_int[#t~string58.base,5 + #t~string58.offset := 58];#memory_int := #memory_int[#t~string58.base,6 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 110];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 41];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 32];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 10];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1041#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 1042#L517 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1110#L510 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 1111#L525 main_#t~ret46 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 1082#L615 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 1083#L591 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1129#L817-3 [2018-11-18 15:40:43,397 INFO L796 eck$LassoCheckResult]: Loop: 1129#L817-3 assume true; 1219#L817-1 assume !false; 1216#L818 assume test_~splverifierCounter~0 < 4; 1217#L819 test_~tmp~5 := test_#t~nondet67;havoc test_#t~nondet67; 1277#L827 assume !(0 != test_~tmp~5); 1275#L827-2 test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; 1272#L837 assume !(0 != test_~tmp___0~1); 1269#L837-2 test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 1254#L847 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1249#L803 assume { :end_inline_startSystem } true; 1248#L855-2 assume { :begin_inline_timeShift } true; 1246#L684 assume !(0 != ~pumpRunning~0); 1242#L684-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 1237#L708 assume { :end_inline_processEnvironment } true; 1231#L691-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret47, __utac_acc__Specification3_spec__1_#t~ret48, __utac_acc__Specification3_spec__1_#t~ret49, __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;assume { :begin_inline_isMethaneLevelCritical } true;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; 1230#L89 __utac_acc__Specification3_spec__1_#t~ret47 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret47;havoc __utac_acc__Specification3_spec__1_#t~ret47; 1229#L648 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 1228#L121 __utac_acc__Specification3_spec__1_#t~ret48 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret48;havoc __utac_acc__Specification3_spec__1_#t~ret48; 1225#L654 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 1224#L654-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1223#L701 assume { :end_inline_timeShift } true; 1129#L817-3 [2018-11-18 15:40:43,397 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:40:43,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 15:40:43,397 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:40:43,397 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:40:43,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:40:43,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:40:43,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:40:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:40:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:40:43,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:40:43,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1046882117, now seen corresponding path program 1 times [2018-11-18 15:40:43,433 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:40:43,433 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:40:43,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:40:43,434 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 15:40:43,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:40:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:40:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:40:43,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:40:43,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1498551297, now seen corresponding path program 1 times [2018-11-18 15:40:43,443 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:40:43,443 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:40:43,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:40:43,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:40:43,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:40:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:40:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:42:14,343 WARN L180 SmtUtils]: Spent 1.51 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 15:43:01,427 WARN L180 SmtUtils]: Spent 47.08 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 15:43:01,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 03:43:01 BoogieIcfgContainer [2018-11-18 15:43:01,510 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 15:43:01,510 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:43:01,510 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:43:01,511 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:43:01,511 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:40:42" (3/4) ... [2018-11-18 15:43:01,513 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 15:43:01,557 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dd23c424-a5c8-43f1-94c4-4c972359b752/bin-2019/uautomizer/witness.graphml [2018-11-18 15:43:01,557 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:43:01,558 INFO L168 Benchmark]: Toolchain (without parser) took 140186.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 955.5 MB in the beginning and 921.0 MB in the end (delta: 34.5 MB). Peak memory consumption was 148.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:43:01,558 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:43:01,559 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:43:01,559 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.76 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:43:01,559 INFO L168 Benchmark]: Boogie Preprocessor took 19.53 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:43:01,560 INFO L168 Benchmark]: RCFGBuilder took 504.58 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: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:43:01,560 INFO L168 Benchmark]: BuchiAutomizer took 139213.44 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -34.1 MB). Free memory was 1.1 GB in the beginning and 925.1 MB in the end (delta: 150.4 MB). Peak memory consumption was 202.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:43:01,562 INFO L168 Benchmark]: Witness Printer took 46.77 ms. Allocated memory is still 1.1 GB. Free memory was 925.1 MB in the beginning and 921.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:43:01,564 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.76 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.53 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 504.58 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: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 139213.44 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -34.1 MB). Free memory was 1.1 GB in the beginning and 925.1 MB in the end (delta: 150.4 MB). Peak memory consumption was 202.4 MB. Max. memory is 11.5 GB. * Witness Printer took 46.77 ms. Allocated memory is still 1.1 GB. Free memory was 925.1 MB in the beginning and 921.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 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 6 locations. The remainder module has 263 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 139.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 138.6s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 321 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 263 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 241 SDtfs, 803 SDslu, 1220 SDs, 0 SdLazy, 97 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 817]: 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@761dd82e=0, NULL=0, retValue_acc=0, ") "=0, "Off"=0, "Env(Water:%i"=35, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "OK"=31, "On"=0, retValue_acc=0, "libacc.c"=19, "__utac__get_this_argtype"=0, ") "=40, "Off"=8, methaneLevelCritical=0, "i > 0 && i <= this->argsCount"=20, tmp=0, "libacc.c"=16, "__utac__get_this_arg"=22, "\n"=0, tmp___1=0, "libacc.c"=27, tmp___0=1, "i > 0 && i <= this->argsCount"=28, "__utac__get_this_argtype"=18, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=24, "__utac__get_this_argtype"=15, tmp=0, "libacc.c"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "libacc.c"=0, "__utac__get_this_arg"=0, "libacc.c"=0, ",Pump:"=11, "On"=0, "Pump(System:"=0, "On"=38, ",Pump:"=0, "Off"=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, \result=0, "Pump(System:"=14, tmp=1, "\n"=42, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1790885a=177, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5bdf3c60=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c2a9ed9=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f89a1b5=0, "CRIT"=33, tmp___2=177, "__utac__get_this_arg"=26, tmp___0=0, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, ")"=0, "OK"=0, "CRIT"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ddba4b4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33eab4c3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4655c32=0, \result=0, ")"=29, tmp___1=0, head=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=23, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, ",Meth:"=34, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=17, "Off"=39, "On"=12} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 817]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L98] FCALL "Env(Water:%i" [L99] FCALL ",Meth:" [L103] FCALL "CRIT" [L107] FCALL "OK" [L111] FCALL ")" [L423] FCALL "i > 0 && i <= this->argsCount" [L423] FCALL "libacc.c" [L424] FCALL "__utac__get_this_arg" [L430] FCALL "i > 0 && i <= this->argsCount" [L430] FCALL "libacc.c" [L431] FCALL "__utac__get_this_arg" [L469] FCALL "i > 0 && i <= this->argsCount" [L469] FCALL "libacc.c" [L470] FCALL "__utac__get_this_argtype" [L476] FCALL "i > 0 && i <= this->argsCount" [L476] FCALL "libacc.c" [L477] FCALL "__utac__get_this_argtype" [L752] FCALL "Pump(System:" [L756] FCALL "On" [L760] FCALL "Off" [L764] FCALL ",Pump:" [L768] FCALL "On" [L772] FCALL "Off" [L776] FCALL ") " [L778] FCALL "\n" [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L530] int cleanupTimeShifts = 4; [L677] int pumpRunning = 0; [L678] int systemActive = 1; [L295] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L606] int retValue_acc ; [L607] int tmp ; [L611] FCALL select_helpers() [L612] FCALL select_features() [L613] CALL, EXPR valid_product() [L521] int retValue_acc ; [L524] retValue_acc = 1 [L525] RET return (retValue_acc); [L613] EXPR valid_product() [L613] tmp = valid_product() [L615] COND TRUE \read(tmp) [L617] FCALL setup() [L618] CALL runTest() [L600] CALL test() [L808] int splverifierCounter ; [L809] int tmp ; [L810] int tmp___0 ; [L811] int tmp___1 ; [L812] int tmp___2 ; [L815] splverifierCounter = 0 Loop: [L817] COND TRUE 1 [L819] COND TRUE splverifierCounter < 4 [L825] tmp = __VERIFIER_nondet_int() [L827] COND FALSE !(\read(tmp)) [L835] tmp___0 = __VERIFIER_nondet_int() [L837] COND FALSE !(\read(tmp___0)) [L845] tmp___2 = __VERIFIER_nondet_int() [L847] COND TRUE \read(tmp___2) [L849] CALL startSystem() [L802] RET systemActive = 1 [L849] startSystem() [L864] CALL timeShift() [L684] COND FALSE !(\read(pumpRunning)) [L691] COND TRUE \read(systemActive) [L693] FCALL processEnvironment() [L699] CALL __utac_acc__Specification3_spec__1() [L640] int tmp ; [L641] int tmp___0 ; [L642] int tmp___1 ; [L646] CALL, EXPR isMethaneLevelCritical() [L85] int retValue_acc ; [L88] retValue_acc = methaneLevelCritical [L89] RET return (retValue_acc); [L646] EXPR isMethaneLevelCritical() [L646] tmp = isMethaneLevelCritical() [L648] COND FALSE !(\read(tmp)) [L652] CALL, EXPR getWaterLevel() [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] RET return (retValue_acc); [L652] EXPR getWaterLevel() [L652] tmp___0 = getWaterLevel() [L654] COND FALSE, RET !(tmp___0 == 2) [L699] RET __utac_acc__Specification3_spec__1() [L864] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...