./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product34_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2b4e4521-dad0-4dfa-9e92-2a4de2089715/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2b4e4521-dad0-4dfa-9e92-2a4de2089715/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2b4e4521-dad0-4dfa-9e92-2a4de2089715/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2b4e4521-dad0-4dfa-9e92-2a4de2089715/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product34_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2b4e4521-dad0-4dfa-9e92-2a4de2089715/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2b4e4521-dad0-4dfa-9e92-2a4de2089715/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 5f0a99b238839eec8a869cf6a8a47d3d1cc483bf ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:24:12,850 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:24:12,851 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:24:12,857 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:24:12,857 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:24:12,858 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:24:12,859 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:24:12,860 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:24:12,861 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:24:12,861 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:24:12,862 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:24:12,862 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:24:12,863 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:24:12,863 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:24:12,864 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:24:12,864 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:24:12,865 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:24:12,866 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:24:12,867 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:24:12,868 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:24:12,869 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:24:12,869 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:24:12,871 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:24:12,871 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:24:12,871 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:24:12,871 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:24:12,872 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:24:12,872 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:24:12,873 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:24:12,873 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:24:12,873 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:24:12,874 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:24:12,874 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:24:12,874 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:24:12,875 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:24:12,875 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:24:12,875 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2b4e4521-dad0-4dfa-9e92-2a4de2089715/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 16:24:12,887 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:24:12,887 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:24:12,888 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:24:12,888 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:24:12,888 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:24:12,888 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 16:24:12,888 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 16:24:12,889 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 16:24:12,889 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 16:24:12,889 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 16:24:12,889 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 16:24:12,889 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:24:12,889 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:24:12,889 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 16:24:12,889 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:24:12,890 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:24:12,890 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:24:12,890 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 16:24:12,890 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 16:24:12,890 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 16:24:12,890 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:24:12,890 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:24:12,890 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 16:24:12,891 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:24:12,891 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 16:24:12,891 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:24:12,891 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:24:12,891 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 16:24:12,891 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:24:12,891 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:24:12,891 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 16:24:12,892 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 16:24:12,892 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_2b4e4521-dad0-4dfa-9e92-2a4de2089715/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 -> 5f0a99b238839eec8a869cf6a8a47d3d1cc483bf [2018-11-18 16:24:12,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:24:12,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:24:12,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:24:12,928 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:24:12,928 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:24:12,929 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2b4e4521-dad0-4dfa-9e92-2a4de2089715/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product34_true-unreach-call_false-termination.cil.c [2018-11-18 16:24:12,970 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b4e4521-dad0-4dfa-9e92-2a4de2089715/bin-2019/uautomizer/data/3c5bcef1a/3cdcaab459e64f8cb96844d8b715788e/FLAGc65e7c17b [2018-11-18 16:24:13,398 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:24:13,399 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2b4e4521-dad0-4dfa-9e92-2a4de2089715/sv-benchmarks/c/product-lines/minepump_spec3_product34_true-unreach-call_false-termination.cil.c [2018-11-18 16:24:13,407 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b4e4521-dad0-4dfa-9e92-2a4de2089715/bin-2019/uautomizer/data/3c5bcef1a/3cdcaab459e64f8cb96844d8b715788e/FLAGc65e7c17b [2018-11-18 16:24:13,416 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2b4e4521-dad0-4dfa-9e92-2a4de2089715/bin-2019/uautomizer/data/3c5bcef1a/3cdcaab459e64f8cb96844d8b715788e [2018-11-18 16:24:13,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:24:13,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:24:13,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:24:13,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:24:13,423 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:24:13,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:24:13" (1/1) ... [2018-11-18 16:24:13,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:24:13, skipping insertion in model container [2018-11-18 16:24:13,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:24:13" (1/1) ... [2018-11-18 16:24:13,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:24:13,463 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:24:13,644 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:24:13,653 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:24:13,760 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:24:13,780 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:24:13,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:24:13 WrapperNode [2018-11-18 16:24:13,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:24:13,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:24:13,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:24:13,781 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:24:13,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:24:13" (1/1) ... [2018-11-18 16:24:13,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:24:13" (1/1) ... [2018-11-18 16:24:13,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:24:13,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:24:13,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:24:13,826 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:24:13,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:24:13" (1/1) ... [2018-11-18 16:24:13,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:24:13" (1/1) ... [2018-11-18 16:24:13,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:24:13" (1/1) ... [2018-11-18 16:24:13,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:24:13" (1/1) ... [2018-11-18 16:24:13,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:24:13" (1/1) ... [2018-11-18 16:24:13,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:24:13" (1/1) ... [2018-11-18 16:24:13,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:24:13" (1/1) ... [2018-11-18 16:24:13,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:24:13,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:24:13,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:24:13,852 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:24:13,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:24:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b4e4521-dad0-4dfa-9e92-2a4de2089715/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 16:24:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:24:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:24:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:24:14,363 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:24:14,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:24:14 BoogieIcfgContainer [2018-11-18 16:24:14,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:24:14,364 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 16:24:14,364 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 16:24:14,366 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 16:24:14,367 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:24:14,367 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 04:24:13" (1/3) ... [2018-11-18 16:24:14,368 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@245e9433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:24:14, skipping insertion in model container [2018-11-18 16:24:14,368 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:24:14,368 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:24:13" (2/3) ... [2018-11-18 16:24:14,368 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@245e9433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:24:14, skipping insertion in model container [2018-11-18 16:24:14,369 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:24:14,369 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:24:14" (3/3) ... [2018-11-18 16:24:14,370 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product34_true-unreach-call_false-termination.cil.c [2018-11-18 16:24:14,402 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:24:14,402 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 16:24:14,402 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 16:24:14,402 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 16:24:14,402 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:24:14,402 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:24:14,402 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 16:24:14,403 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:24:14,403 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 16:24:14,414 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states. [2018-11-18 16:24:14,432 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2018-11-18 16:24:14,433 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:24:14,433 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:24:14,438 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:24:14,438 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 16:24:14,439 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 16:24:14,439 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states. [2018-11-18 16:24:14,443 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2018-11-18 16:24:14,443 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:24:14,443 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:24:14,444 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:24:14,444 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 16:24:14,448 INFO L794 eck$LassoCheckResult]: Stem: 99#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);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(25);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 18#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret4, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 32#L907true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 92#L900true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 34#L915true main_#t~ret4 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret4;havoc main_#t~ret4; 93#L198true assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 37#L172true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 79#L55-3true [2018-11-18 16:24:14,448 INFO L796 eck$LassoCheckResult]: Loop: 79#L55-3true assume true; 101#L55-1true assume !false; 48#L56true assume test_~splverifierCounter~0 < 4; 116#L57true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 23#L65true assume !(0 != test_~tmp~0); 19#L65-2true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 65#L75true assume !(0 != test_~tmp___0~0); 46#L75-2true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 108#L85true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 4#L376true assume { :end_inline_startSystem } true; 106#L93-2true assume { :begin_inline_timeShift } true; 38#L227true assume !(0 != ~pumpRunning~0); 36#L227-2true assume !(0 != ~systemActive~0); 78#L234-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_#t~ret60, __utac_acc__Specification3_spec__1_#t~ret61, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 94#L834true __utac_acc__Specification3_spec__1_#t~ret59 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret59;havoc __utac_acc__Specification3_spec__1_#t~ret59; 97#L757true assume 0 != __utac_acc__Specification3_spec__1_~tmp~7; 74#L763-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 113#L244true assume { :end_inline_timeShift } true; 79#L55-3true [2018-11-18 16:24:14,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:24:14,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 16:24:14,455 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:24:14,455 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:24:14,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:24:14,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:24:14,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:24:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:24:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:24:14,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:24:14,609 INFO L82 PathProgramCache]: Analyzing trace with hash -2078167867, now seen corresponding path program 1 times [2018-11-18 16:24:14,610 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:24:14,610 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:24:14,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:24:14,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:24:14,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:24:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:24:14,639 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 16:24:14,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:24:14,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:24:14,643 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 16:24:14,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:24:14,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:24:14,653 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 3 states. [2018-11-18 16:24:14,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:24:14,690 INFO L93 Difference]: Finished difference Result 111 states and 143 transitions. [2018-11-18 16:24:14,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:24:14,692 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 111 states and 143 transitions. [2018-11-18 16:24:14,694 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-11-18 16:24:14,698 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 111 states to 101 states and 132 transitions. [2018-11-18 16:24:14,698 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 101 [2018-11-18 16:24:14,699 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 101 [2018-11-18 16:24:14,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 101 states and 132 transitions. [2018-11-18 16:24:14,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:24:14,700 INFO L705 BuchiCegarLoop]: Abstraction has 101 states and 132 transitions. [2018-11-18 16:24:14,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states and 132 transitions. [2018-11-18 16:24:14,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-11-18 16:24:14,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-18 16:24:14,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 132 transitions. [2018-11-18 16:24:14,723 INFO L728 BuchiCegarLoop]: Abstraction has 101 states and 132 transitions. [2018-11-18 16:24:14,723 INFO L608 BuchiCegarLoop]: Abstraction has 101 states and 132 transitions. [2018-11-18 16:24:14,723 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 16:24:14,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 101 states and 132 transitions. [2018-11-18 16:24:14,724 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-11-18 16:24:14,725 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:24:14,725 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:24:14,725 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:24:14,725 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 16:24:14,725 INFO L794 eck$LassoCheckResult]: Stem: 331#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);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(25);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 260#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret4, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 261#L907 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 280#L900 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 283#L915 main_#t~ret4 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret4;havoc main_#t~ret4; 284#L198 assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 286#L172 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 287#L55-3 [2018-11-18 16:24:14,726 INFO L796 eck$LassoCheckResult]: Loop: 287#L55-3 assume true; 326#L55-1 assume !false; 301#L56 assume test_~splverifierCounter~0 < 4; 302#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 270#L65 assume !(0 != test_~tmp~0); 262#L65-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 263#L75 assume !(0 != test_~tmp___0~0); 298#L75-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 299#L85 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 236#L376 assume { :end_inline_startSystem } true; 237#L93-2 assume { :begin_inline_timeShift } true; 288#L227 assume !(0 != ~pumpRunning~0); 274#L227-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 285#L259 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 307#L251-1 assume { :end_inline_processEnvironment__wrappee__base } true; 254#L259-1 assume { :end_inline_processEnvironment } true; 324#L234-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_#t~ret60, __utac_acc__Specification3_spec__1_#t~ret61, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 325#L834 __utac_acc__Specification3_spec__1_#t~ret59 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret59;havoc __utac_acc__Specification3_spec__1_#t~ret59; 329#L757 assume 0 != __utac_acc__Specification3_spec__1_~tmp~7; 259#L763-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 318#L244 assume { :end_inline_timeShift } true; 287#L55-3 [2018-11-18 16:24:14,726 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:24:14,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 16:24:14,726 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:24:14,726 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:24:14,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:24:14,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:24:14,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:24:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:24:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:24:14,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:24:14,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1264722359, now seen corresponding path program 1 times [2018-11-18 16:24:14,777 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:24:14,777 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:24:14,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:24:14,778 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:24:14,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:24:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:24:14,791 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 16:24:14,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:24:14,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:24:14,792 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 16:24:14,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:24:14,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:24:14,793 INFO L87 Difference]: Start difference. First operand 101 states and 132 transitions. cyclomatic complexity: 33 Second operand 3 states. [2018-11-18 16:24:14,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:24:14,853 INFO L93 Difference]: Finished difference Result 162 states and 206 transitions. [2018-11-18 16:24:14,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:24:14,854 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 206 transitions. [2018-11-18 16:24:14,856 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 116 [2018-11-18 16:24:14,858 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 162 states and 206 transitions. [2018-11-18 16:24:14,858 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 162 [2018-11-18 16:24:14,858 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 162 [2018-11-18 16:24:14,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 162 states and 206 transitions. [2018-11-18 16:24:14,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:24:14,859 INFO L705 BuchiCegarLoop]: Abstraction has 162 states and 206 transitions. [2018-11-18 16:24:14,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states and 206 transitions. [2018-11-18 16:24:14,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2018-11-18 16:24:14,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-11-18 16:24:14,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 206 transitions. [2018-11-18 16:24:14,867 INFO L728 BuchiCegarLoop]: Abstraction has 162 states and 206 transitions. [2018-11-18 16:24:14,867 INFO L608 BuchiCegarLoop]: Abstraction has 162 states and 206 transitions. [2018-11-18 16:24:14,867 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 16:24:14,868 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 162 states and 206 transitions. [2018-11-18 16:24:14,869 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 116 [2018-11-18 16:24:14,869 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:24:14,869 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:24:14,870 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:24:14,870 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, 1, 1, 1, 1, 1, 1] [2018-11-18 16:24:14,870 INFO L794 eck$LassoCheckResult]: Stem: 614#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);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(25);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 530#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret4, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 531#L907 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 550#L900 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 553#L915 main_#t~ret4 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret4;havoc main_#t~ret4; 554#L198 assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 559#L172 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 560#L55-3 [2018-11-18 16:24:14,870 INFO L796 eck$LassoCheckResult]: Loop: 560#L55-3 assume true; 636#L55-1 assume !false; 635#L56 assume test_~splverifierCounter~0 < 4; 621#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 540#L65 assume !(0 != test_~tmp~0); 532#L65-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 533#L75 assume !(0 != test_~tmp___0~0); 626#L75-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 625#L85 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet3;havoc test_#t~nondet3; 624#L93 assume 0 != test_~tmp___1~0; 615#L93-2 assume { :begin_inline_timeShift } true; 561#L227 assume !(0 != ~pumpRunning~0); 557#L227-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 558#L259 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret23, isHighWaterLevel_~retValue_acc~3, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~3;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; 551#L874 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; 552#L879 isHighWaterLevel_#t~ret23 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret23;havoc isHighWaterLevel_#t~ret23; 576#L361 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; 590#L361-2 isHighWaterLevel_~retValue_acc~3 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~3; 577#L367 processEnvironment_#t~ret5 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~2 := processEnvironment_#t~ret5;havoc processEnvironment_#t~ret5; 517#L263 assume !(0 != processEnvironment_~tmp~2);assume { :begin_inline_processEnvironment__wrappee__base } true; 519#L251 assume { :end_inline_processEnvironment__wrappee__base } true; 584#L259-1 assume { :end_inline_processEnvironment } true; 643#L234-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_#t~ret60, __utac_acc__Specification3_spec__1_#t~ret61, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 642#L834 __utac_acc__Specification3_spec__1_#t~ret59 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret59;havoc __utac_acc__Specification3_spec__1_#t~ret59; 640#L757 assume 0 != __utac_acc__Specification3_spec__1_~tmp~7; 638#L763-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 637#L244 assume { :end_inline_timeShift } true; 560#L55-3 [2018-11-18 16:24:14,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:24:14,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 16:24:14,871 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:24:14,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:24:14,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:24:14,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:24:14,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:24:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:24:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:24:14,909 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:24:14,909 INFO L82 PathProgramCache]: Analyzing trace with hash 528314576, now seen corresponding path program 1 times [2018-11-18 16:24:14,909 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:24:14,909 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:24:14,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:24:14,910 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:24:14,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:24:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:24:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:24:14,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:24:14,921 INFO L82 PathProgramCache]: Analyzing trace with hash 903602316, now seen corresponding path program 1 times [2018-11-18 16:24:14,921 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:24:14,921 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:24:14,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:24:14,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:24:14,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:24:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:24:14,994 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 16:24:14,994 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:24:14,994 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 16:24:15,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:24:15,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:24:15,122 INFO L87 Difference]: Start difference. First operand 162 states and 206 transitions. cyclomatic complexity: 46 Second operand 5 states. [2018-11-18 16:24:15,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:24:15,225 INFO L93 Difference]: Finished difference Result 559 states and 708 transitions. [2018-11-18 16:24:15,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:24:15,226 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 559 states and 708 transitions. [2018-11-18 16:24:15,229 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 421 [2018-11-18 16:24:15,233 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 559 states to 559 states and 708 transitions. [2018-11-18 16:24:15,233 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 559 [2018-11-18 16:24:15,234 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 559 [2018-11-18 16:24:15,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 559 states and 708 transitions. [2018-11-18 16:24:15,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:24:15,236 INFO L705 BuchiCegarLoop]: Abstraction has 559 states and 708 transitions. [2018-11-18 16:24:15,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states and 708 transitions. [2018-11-18 16:24:15,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 317. [2018-11-18 16:24:15,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-11-18 16:24:15,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 397 transitions. [2018-11-18 16:24:15,252 INFO L728 BuchiCegarLoop]: Abstraction has 317 states and 397 transitions. [2018-11-18 16:24:15,252 INFO L608 BuchiCegarLoop]: Abstraction has 317 states and 397 transitions. [2018-11-18 16:24:15,253 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 16:24:15,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 317 states and 397 transitions. [2018-11-18 16:24:15,255 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 232 [2018-11-18 16:24:15,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:24:15,255 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:24:15,255 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:24:15,255 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:24:15,256 INFO L794 eck$LassoCheckResult]: Stem: 1365#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);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(25);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1270#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret4, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 1271#L907 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1292#L900 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 1295#L915 main_#t~ret4 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret4;havoc main_#t~ret4; 1296#L198 assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 1299#L172 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1300#L55-3 [2018-11-18 16:24:15,256 INFO L796 eck$LassoCheckResult]: Loop: 1300#L55-3 assume true; 1507#L55-1 assume !false; 1506#L56 assume test_~splverifierCounter~0 < 4; 1373#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 1282#L65 assume !(0 != test_~tmp~0); 1272#L65-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 1273#L75 assume !(0 != test_~tmp___0~0); 1316#L75-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 1557#L85 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet3;havoc test_#t~nondet3; 1367#L93 assume 0 != test_~tmp___1~0; 1243#L93-2 assume { :begin_inline_timeShift } true; 1366#L227 assume !(0 != ~pumpRunning~0); 1528#L227-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1359#L259 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret23, isHighWaterLevel_~retValue_acc~3, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~3;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; 1293#L874 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; 1294#L879 isHighWaterLevel_#t~ret23 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret23;havoc isHighWaterLevel_#t~ret23; 1520#L361 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; 1519#L361-2 isHighWaterLevel_~retValue_acc~3 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~3; 1517#L367 processEnvironment_#t~ret5 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~2 := processEnvironment_#t~ret5;havoc processEnvironment_#t~ret5; 1515#L263 assume !(0 != processEnvironment_~tmp~2);assume { :begin_inline_processEnvironment__wrappee__base } true; 1329#L251 assume { :end_inline_processEnvironment__wrappee__base } true; 1330#L259-1 assume { :end_inline_processEnvironment } true; 1510#L234-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_#t~ret60, __utac_acc__Specification3_spec__1_#t~ret61, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 1498#L834 __utac_acc__Specification3_spec__1_#t~ret59 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret59;havoc __utac_acc__Specification3_spec__1_#t~ret59; 1499#L757 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 1250#L866 __utac_acc__Specification3_spec__1_#t~ret60 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret60;havoc __utac_acc__Specification3_spec__1_#t~ret60; 1251#L763 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2); 1509#L763-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1508#L244 assume { :end_inline_timeShift } true; 1300#L55-3 [2018-11-18 16:24:15,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:24:15,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2018-11-18 16:24:15,258 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:24:15,258 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:24:15,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:24:15,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:24:15,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:24:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:24:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:24:15,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:24:15,294 INFO L82 PathProgramCache]: Analyzing trace with hash 905418179, now seen corresponding path program 1 times [2018-11-18 16:24:15,294 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:24:15,294 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:24:15,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:24:15,295 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:24:15,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:24:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:24:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:24:15,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:24:15,304 INFO L82 PathProgramCache]: Analyzing trace with hash 779683455, now seen corresponding path program 1 times [2018-11-18 16:24:15,304 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:24:15,304 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:24:15,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:24:15,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:24:15,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:24:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:24:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:24:15,448 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2018-11-18 16:24:49,112 WARN L180 SmtUtils]: Spent 33.62 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 16:25:10,525 WARN L180 SmtUtils]: Spent 21.41 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 16:25:10,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 04:25:10 BoogieIcfgContainer [2018-11-18 16:25:10,586 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 16:25:10,587 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:25:10,587 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:25:10,587 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:25:10,587 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:24:14" (3/4) ... [2018-11-18 16:25:10,589 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 16:25:10,637 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2b4e4521-dad0-4dfa-9e92-2a4de2089715/bin-2019/uautomizer/witness.graphml [2018-11-18 16:25:10,637 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:25:10,638 INFO L168 Benchmark]: Toolchain (without parser) took 57219.36 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 223.9 MB). Free memory was 950.0 MB in the beginning and 782.0 MB in the end (delta: 168.0 MB). Peak memory consumption was 391.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:25:10,639 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:25:10,639 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:25:10,639 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:25:10,639 INFO L168 Benchmark]: Boogie Preprocessor took 26.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-18 16:25:10,640 INFO L168 Benchmark]: RCFGBuilder took 511.69 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: 70.5 MB). Peak memory consumption was 70.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:25:10,640 INFO L168 Benchmark]: BuchiAutomizer took 56222.56 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 81.8 MB). Free memory was 1.1 GB in the beginning and 787.7 MB in the end (delta: 266.4 MB). Peak memory consumption was 348.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:25:10,640 INFO L168 Benchmark]: Witness Printer took 50.74 ms. Allocated memory is still 1.3 GB. Free memory was 787.7 MB in the beginning and 782.0 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. [2018-11-18 16:25:10,643 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.38 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 26.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 511.69 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: 70.5 MB). Peak memory consumption was 70.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 56222.56 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 81.8 MB). Free memory was 1.1 GB in the beginning and 787.7 MB in the end (delta: 266.4 MB). Peak memory consumption was 348.2 MB. Max. memory is 11.5 GB. * Witness Printer took 50.74 ms. Allocated memory is still 1.3 GB. Free memory was 787.7 MB in the beginning and 782.0 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 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 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 317 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 56.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 55.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 242 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 317 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 478 SDtfs, 719 SDslu, 693 SDs, 0 SdLazy, 69 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 55]: 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, "__utac__get_this_arg"=0, "On"=11, "libacc.c"=33, "Env(Water:%i"=0, retValue_acc=0, "libacc.c"=0, "libacc.c"=24, ")"=39, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18c87ce0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68b68816=169, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57c58fe9=0, "Env(Water:%i"=35, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6bca82be=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@546bf3c8=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "__utac__get_this_argtype"=34, methaneLevelCritical=0, "Pump(System:"=8, tmp___0=0, retValue_acc=1, ",Meth:"=0, retValue_acc=0, "OK"=0, "CRIT"=0, tmp___1=169, "Pump(System:"=0, ") "=17, cleanupTimeShifts=4, tmp=0, "i > 0 && i <= this->argsCount"=19, "i > 0 && i <= this->argsCount"=23, ",Pump:"=14, "__utac__get_this_argtype"=29, tmp=0, tmp___0=1, NULL=0, systemActive=1, waterLevel=1, "OK"=38, \result=1, ",Pump:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30caa188=0, retValue_acc=0, "Off"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d0917dd=0, "Off"=12, \result=0, "On"=0, "__utac__get_this_arg"=26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78664ed0=0, "__utac__get_this_arg"=22, "i > 0 && i <= this->argsCount"=0, tmp___0=0, "libacc.c"=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=0, \result=1, retValue_acc=1, "Off"=16, head=0, pumpRunning=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@eae9200=0, "libacc.c"=28, tmp=1, "On"=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2668cce2=0, "Off"=0, \result=1, "CRIT"=37, "\n"=18, ")"=0, tmp=1, retValue_acc=1, tmp___2=0, splverifierCounter=0, \result=0, tmp=0, tmp___1=0, head=0, ") "=0, "On"=15, "\n"=0, "libacc.c"=20, "i > 0 && i <= this->argsCount"=31, ",Meth:"=36, "i > 0 && i <= this->argsCount"=27} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 55]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L321] FCALL "Pump(System:" [L325] FCALL "On" [L329] FCALL "Off" [L333] FCALL ",Pump:" [L337] FCALL "On" [L341] FCALL "Off" [L345] FCALL ") " [L347] FCALL "\n" [L677] FCALL "i > 0 && i <= this->argsCount" [L677] FCALL "libacc.c" [L678] FCALL "__utac__get_this_arg" [L684] FCALL "i > 0 && i <= this->argsCount" [L684] FCALL "libacc.c" [L685] FCALL "__utac__get_this_arg" [L723] FCALL "i > 0 && i <= this->argsCount" [L723] FCALL "libacc.c" [L724] FCALL "__utac__get_this_argtype" [L730] FCALL "i > 0 && i <= this->argsCount" [L730] FCALL "libacc.c" [L731] FCALL "__utac__get_this_argtype" [L843] FCALL "Env(Water:%i" [L844] FCALL ",Meth:" [L848] FCALL "CRIT" [L852] FCALL "OK" [L856] FCALL ")" [L112] int cleanupTimeShifts = 4; [L219] int pumpRunning = 0; [L220] int systemActive = 1; [L791] int waterLevel = 1; [L792] int methaneLevelCritical = 0; [L549] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L189] int retValue_acc ; [L190] int tmp ; [L194] FCALL select_helpers() [L195] FCALL select_features() [L196] CALL, EXPR valid_product() [L911] int retValue_acc ; [L914] retValue_acc = 1 [L915] RET return (retValue_acc); [L196] EXPR valid_product() [L196] tmp = valid_product() [L198] COND TRUE \read(tmp) [L200] FCALL setup() [L201] CALL runTest() [L180] CALL test() [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 Loop: [L55] COND TRUE 1 [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___2)) [L91] tmp___1 = __VERIFIER_nondet_int() [L93] COND TRUE \read(tmp___1) [L100] CALL timeShift() [L227] COND FALSE !(\read(pumpRunning)) [L234] COND TRUE \read(systemActive) [L236] CALL processEnvironment() [L256] int tmp ; [L259] COND TRUE ! pumpRunning [L261] CALL, EXPR isHighWaterLevel() [L353] int retValue_acc ; [L354] int tmp ; [L355] int tmp___0 ; [L359] CALL, EXPR isHighWaterSensorDry() [L871] int retValue_acc ; [L874] COND TRUE waterLevel < 2 [L875] retValue_acc = 1 [L876] RET return (retValue_acc); [L359] EXPR isHighWaterSensorDry() [L359] tmp = isHighWaterSensorDry() [L361] COND TRUE \read(tmp) [L362] tmp___0 = 0 [L366] retValue_acc = tmp___0 [L367] RET return (retValue_acc); [L261] EXPR isHighWaterLevel() [L261] tmp = isHighWaterLevel() [L263] COND FALSE !(\read(tmp)) [L269] RET, FCALL processEnvironment__wrappee__base() [L236] processEnvironment() [L242] CALL __utac_acc__Specification3_spec__1() [L749] int tmp ; [L750] int tmp___0 ; [L751] int tmp___1 ; [L755] CALL, EXPR isMethaneLevelCritical() [L830] int retValue_acc ; [L833] retValue_acc = methaneLevelCritical [L834] RET return (retValue_acc); [L755] EXPR isMethaneLevelCritical() [L755] tmp = isMethaneLevelCritical() [L757] COND FALSE !(\read(tmp)) [L761] CALL, EXPR getWaterLevel() [L862] int retValue_acc ; [L865] retValue_acc = waterLevel [L866] RET return (retValue_acc); [L761] EXPR getWaterLevel() [L761] tmp___0 = getWaterLevel() [L763] COND FALSE, RET !(tmp___0 == 2) [L242] RET __utac_acc__Specification3_spec__1() [L100] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...