./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product34_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8d83df45-2b90-45f8-ac6d-62b2fd4deeee/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8d83df45-2b90-45f8-ac6d-62b2fd4deeee/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8d83df45-2b90-45f8-ac6d-62b2fd4deeee/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8d83df45-2b90-45f8-ac6d-62b2fd4deeee/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product34_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8d83df45-2b90-45f8-ac6d-62b2fd4deeee/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8d83df45-2b90-45f8-ac6d-62b2fd4deeee/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 45e9be5ff3d2c5f3e04037cd81f89ba3fcf7e541 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:02:07,863 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:02:07,864 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:02:07,872 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:02:07,872 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:02:07,873 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:02:07,874 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:02:07,875 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:02:07,876 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:02:07,877 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:02:07,877 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:02:07,878 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:02:07,878 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:02:07,879 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:02:07,880 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:02:07,880 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:02:07,880 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:02:07,881 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:02:07,883 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:02:07,884 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:02:07,884 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:02:07,885 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:02:07,886 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:02:07,886 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:02:07,887 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:02:07,887 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:02:07,888 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:02:07,888 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:02:07,888 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:02:07,889 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:02:07,889 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:02:07,890 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:02:07,890 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:02:07,890 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:02:07,891 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:02:07,891 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:02:07,891 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8d83df45-2b90-45f8-ac6d-62b2fd4deeee/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 13:02:07,903 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:02:07,903 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:02:07,904 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:02:07,904 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:02:07,904 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:02:07,904 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 13:02:07,904 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 13:02:07,905 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 13:02:07,905 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 13:02:07,905 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 13:02:07,905 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 13:02:07,905 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:02:07,905 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:02:07,905 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 13:02:07,906 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:02:07,906 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:02:07,906 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:02:07,906 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 13:02:07,906 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 13:02:07,906 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 13:02:07,906 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:02:07,906 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:02:07,907 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 13:02:07,907 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:02:07,907 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 13:02:07,907 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:02:07,907 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:02:07,907 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 13:02:07,908 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:02:07,908 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:02:07,908 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 13:02:07,909 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 13:02:07,909 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_8d83df45-2b90-45f8-ac6d-62b2fd4deeee/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 -> 45e9be5ff3d2c5f3e04037cd81f89ba3fcf7e541 [2018-11-18 13:02:07,932 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:02:07,941 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:02:07,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:02:07,945 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:02:07,946 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:02:07,946 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8d83df45-2b90-45f8-ac6d-62b2fd4deeee/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product34_false-unreach-call_false-termination.cil.c [2018-11-18 13:02:07,992 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8d83df45-2b90-45f8-ac6d-62b2fd4deeee/bin-2019/uautomizer/data/0aeb0bdc3/e1d8c9daf39c4c15b4cf2366c18d67e6/FLAG25df1de4a [2018-11-18 13:02:08,356 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:02:08,356 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8d83df45-2b90-45f8-ac6d-62b2fd4deeee/sv-benchmarks/c/product-lines/minepump_spec1_product34_false-unreach-call_false-termination.cil.c [2018-11-18 13:02:08,367 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8d83df45-2b90-45f8-ac6d-62b2fd4deeee/bin-2019/uautomizer/data/0aeb0bdc3/e1d8c9daf39c4c15b4cf2366c18d67e6/FLAG25df1de4a [2018-11-18 13:02:08,753 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8d83df45-2b90-45f8-ac6d-62b2fd4deeee/bin-2019/uautomizer/data/0aeb0bdc3/e1d8c9daf39c4c15b4cf2366c18d67e6 [2018-11-18 13:02:08,756 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:02:08,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:02:08,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:02:08,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:02:08,762 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:02:08,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:02:08" (1/1) ... [2018-11-18 13:02:08,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37764a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:08, skipping insertion in model container [2018-11-18 13:02:08,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:02:08" (1/1) ... [2018-11-18 13:02:08,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:02:08,807 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:02:09,022 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:02:09,031 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:02:09,171 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:02:09,194 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:02:09,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:09 WrapperNode [2018-11-18 13:02:09,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:02:09,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:02:09,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:02:09,195 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:02:09,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:09" (1/1) ... [2018-11-18 13:02:09,213 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:09" (1/1) ... [2018-11-18 13:02:09,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:02:09,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:02:09,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:02:09,253 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:02:09,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:09" (1/1) ... [2018-11-18 13:02:09,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:09" (1/1) ... [2018-11-18 13:02:09,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:09" (1/1) ... [2018-11-18 13:02:09,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:09" (1/1) ... [2018-11-18 13:02:09,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:09" (1/1) ... [2018-11-18 13:02:09,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:09" (1/1) ... [2018-11-18 13:02:09,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:09" (1/1) ... [2018-11-18 13:02:09,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:02:09,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:02:09,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:02:09,284 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:02:09,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8d83df45-2b90-45f8-ac6d-62b2fd4deeee/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 13:02:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:02:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:02:09,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:02:09,810 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:02:09,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:02:09 BoogieIcfgContainer [2018-11-18 13:02:09,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:02:09,812 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 13:02:09,812 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 13:02:09,814 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 13:02:09,815 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:02:09,815 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 01:02:08" (1/3) ... [2018-11-18 13:02:09,816 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@526d7eb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:02:09, skipping insertion in model container [2018-11-18 13:02:09,816 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:02:09,816 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:09" (2/3) ... [2018-11-18 13:02:09,816 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@526d7eb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:02:09, skipping insertion in model container [2018-11-18 13:02:09,816 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:02:09,817 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:02:09" (3/3) ... [2018-11-18 13:02:09,818 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product34_false-unreach-call_false-termination.cil.c [2018-11-18 13:02:09,851 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:02:09,852 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 13:02:09,852 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 13:02:09,852 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 13:02:09,852 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:02:09,852 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:02:09,852 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 13:02:09,852 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:02:09,852 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 13:02:09,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2018-11-18 13:02:09,884 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-11-18 13:02:09,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:02:09,884 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:02:09,889 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:02:09,889 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 13:02:09,889 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 13:02:09,889 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2018-11-18 13:02:09,892 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-11-18 13:02:09,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:02:09,892 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:02:09,893 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:02:09,893 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 13:02:09,896 INFO L794 eck$LassoCheckResult]: Stem: 79#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(13);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 44];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.offset := 77];#memory_int := #memory_int[#t~string39.base,2 + #t~string39.offset := 101];#memory_int := #memory_int[#t~string39.base,3 + #t~string39.offset := 116];#memory_int := #memory_int[#t~string39.base,4 + #t~string39.offset := 104];#memory_int := #memory_int[#t~string39.base,5 + #t~string39.offset := 58];#memory_int := #memory_int[#t~string39.base,6 + #t~string39.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 67];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 82];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 73];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 84];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 75];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 41];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 44];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 80];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 117];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 109];#memory_int := #memory_int[#t~string59.base,4 + #t~string59.offset := 112];#memory_int := #memory_int[#t~string59.base,5 + #t~string59.offset := 58];#memory_int := #memory_int[#t~string59.base,6 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 110];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 41];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 32];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 10];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 43#L898true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 109#L891true 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; 62#L906true main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 52#L130true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 14#L103true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 10#L629-3true [2018-11-18 13:02:09,897 INFO L796 eck$LassoCheckResult]: Loop: 10#L629-3true assume true; 7#L629-1true assume !false; 91#L630true assume test_~splverifierCounter~0 < 4; 44#L631true test_~tmp~4 := test_#t~nondet46;havoc test_#t~nondet46; 63#L639true assume !(0 != test_~tmp~4); 51#L639-2true test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; 95#L649true assume !(0 != test_~tmp___0~0); 97#L649-2true test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; 18#L659true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet49;havoc test_#t~nondet49; 37#L667true assume 0 != test_~tmp___1~0; 22#L667-2true assume { :begin_inline_timeShift } true; 41#L697true assume !(0 != ~pumpRunning~0); 45#L697-2true assume !(0 != ~systemActive~0); 108#L704-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 71#L567true __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 110#L858true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 99#L858-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 27#L714true assume { :end_inline_timeShift } true; 10#L629-3true [2018-11-18 13:02:09,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:09,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 13:02:09,904 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:09,904 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:09,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:09,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:02:09,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:10,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:10,066 INFO L82 PathProgramCache]: Analyzing trace with hash 983420916, now seen corresponding path program 1 times [2018-11-18 13:02:10,066 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:10,067 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:10,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:10,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:02:10,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:10,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:10,081 INFO L82 PathProgramCache]: Analyzing trace with hash -2128905032, now seen corresponding path program 1 times [2018-11-18 13:02:10,082 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:10,082 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:10,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:10,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:02:10,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:10,202 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 13:02:10,204 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:02:10,204 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:02:10,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:02:10,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:02:10,297 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 6 states. [2018-11-18 13:02:10,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:02:10,484 INFO L93 Difference]: Finished difference Result 105 states and 133 transitions. [2018-11-18 13:02:10,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 13:02:10,486 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 105 states and 133 transitions. [2018-11-18 13:02:10,489 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2018-11-18 13:02:10,494 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 105 states to 95 states and 123 transitions. [2018-11-18 13:02:10,495 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2018-11-18 13:02:10,495 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2018-11-18 13:02:10,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 123 transitions. [2018-11-18 13:02:10,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:02:10,497 INFO L705 BuchiCegarLoop]: Abstraction has 95 states and 123 transitions. [2018-11-18 13:02:10,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 123 transitions. [2018-11-18 13:02:10,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-11-18 13:02:10,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-11-18 13:02:10,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 123 transitions. [2018-11-18 13:02:10,526 INFO L728 BuchiCegarLoop]: Abstraction has 95 states and 123 transitions. [2018-11-18 13:02:10,526 INFO L608 BuchiCegarLoop]: Abstraction has 95 states and 123 transitions. [2018-11-18 13:02:10,526 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 13:02:10,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 123 transitions. [2018-11-18 13:02:10,528 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2018-11-18 13:02:10,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:02:10,531 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:02:10,531 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:02:10,532 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 13:02:10,532 INFO L794 eck$LassoCheckResult]: Stem: 291#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(13);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 44];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.offset := 77];#memory_int := #memory_int[#t~string39.base,2 + #t~string39.offset := 101];#memory_int := #memory_int[#t~string39.base,3 + #t~string39.offset := 116];#memory_int := #memory_int[#t~string39.base,4 + #t~string39.offset := 104];#memory_int := #memory_int[#t~string39.base,5 + #t~string39.offset := 58];#memory_int := #memory_int[#t~string39.base,6 + #t~string39.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 67];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 82];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 73];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 84];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 75];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 41];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 44];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 80];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 117];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 109];#memory_int := #memory_int[#t~string59.base,4 + #t~string59.offset := 112];#memory_int := #memory_int[#t~string59.base,5 + #t~string59.offset := 58];#memory_int := #memory_int[#t~string59.base,6 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 110];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 41];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 32];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 10];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 253#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 254#L898 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 325#L891 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; 245#L906 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 246#L130 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 276#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 259#L629-3 [2018-11-18 13:02:10,532 INFO L796 eck$LassoCheckResult]: Loop: 259#L629-3 assume true; 251#L629-1 assume !false; 252#L630 assume test_~splverifierCounter~0 < 4; 309#L631 test_~tmp~4 := test_#t~nondet46;havoc test_#t~nondet46; 248#L639 assume !(0 != test_~tmp~4); 250#L639-2 test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; 313#L649 assume !(0 != test_~tmp___0~0); 315#L649-2 test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; 288#L659 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 289#L846 assume { :end_inline_startSystem } true; 303#L667-2 assume { :begin_inline_timeShift } true; 304#L697 assume !(0 != ~pumpRunning~0); 262#L697-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 305#L729 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 298#L721-1 assume { :end_inline_processEnvironment__wrappee__base } true; 297#L729-1 assume { :end_inline_processEnvironment } true; 306#L704-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 274#L567 __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 275#L858 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 322#L858-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 312#L714 assume { :end_inline_timeShift } true; 259#L629-3 [2018-11-18 13:02:10,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:10,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 13:02:10,533 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:10,533 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:10,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:10,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:02:10,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:10,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:10,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1264709129, now seen corresponding path program 1 times [2018-11-18 13:02:10,577 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:10,577 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:10,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:10,582 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:02:10,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:10,603 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 13:02:10,603 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:02:10,603 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:02:10,604 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 13:02:10,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:02:10,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:02:10,604 INFO L87 Difference]: Start difference. First operand 95 states and 123 transitions. cyclomatic complexity: 30 Second operand 3 states. [2018-11-18 13:02:10,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:02:10,659 INFO L93 Difference]: Finished difference Result 150 states and 188 transitions. [2018-11-18 13:02:10,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:02:10,660 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 150 states and 188 transitions. [2018-11-18 13:02:10,663 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2018-11-18 13:02:10,664 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 150 states to 150 states and 188 transitions. [2018-11-18 13:02:10,664 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 150 [2018-11-18 13:02:10,665 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 150 [2018-11-18 13:02:10,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 150 states and 188 transitions. [2018-11-18 13:02:10,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:02:10,666 INFO L705 BuchiCegarLoop]: Abstraction has 150 states and 188 transitions. [2018-11-18 13:02:10,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states and 188 transitions. [2018-11-18 13:02:10,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-11-18 13:02:10,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-18 13:02:10,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 188 transitions. [2018-11-18 13:02:10,673 INFO L728 BuchiCegarLoop]: Abstraction has 150 states and 188 transitions. [2018-11-18 13:02:10,673 INFO L608 BuchiCegarLoop]: Abstraction has 150 states and 188 transitions. [2018-11-18 13:02:10,673 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 13:02:10,673 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 150 states and 188 transitions. [2018-11-18 13:02:10,674 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2018-11-18 13:02:10,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:02:10,675 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:02:10,675 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:02:10,675 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 13:02:10,676 INFO L794 eck$LassoCheckResult]: Stem: 541#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(13);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 44];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.offset := 77];#memory_int := #memory_int[#t~string39.base,2 + #t~string39.offset := 101];#memory_int := #memory_int[#t~string39.base,3 + #t~string39.offset := 116];#memory_int := #memory_int[#t~string39.base,4 + #t~string39.offset := 104];#memory_int := #memory_int[#t~string39.base,5 + #t~string39.offset := 58];#memory_int := #memory_int[#t~string39.base,6 + #t~string39.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 67];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 82];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 73];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 84];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 75];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 41];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 44];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 80];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 117];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 109];#memory_int := #memory_int[#t~string59.base,4 + #t~string59.offset := 112];#memory_int := #memory_int[#t~string59.base,5 + #t~string59.offset := 58];#memory_int := #memory_int[#t~string59.base,6 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 110];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 41];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 32];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 10];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 502#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 503#L898 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 585#L891 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; 496#L906 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 497#L130 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 527#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 510#L629-3 [2018-11-18 13:02:10,676 INFO L796 eck$LassoCheckResult]: Loop: 510#L629-3 assume true; 504#L629-1 assume !false; 505#L630 assume test_~splverifierCounter~0 < 4; 564#L631 test_~tmp~4 := test_#t~nondet46;havoc test_#t~nondet46; 499#L639 assume !(0 != test_~tmp~4); 501#L639-2 test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; 569#L649 assume !(0 != test_~tmp___0~0); 571#L649-2 test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; 542#L659 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet49;havoc test_#t~nondet49; 544#L667 assume 0 != test_~tmp___1~0; 558#L667-2 assume { :begin_inline_timeShift } true; 559#L697 assume !(0 != ~pumpRunning~0); 580#L697-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 560#L729 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret68, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~6, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~6;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~6;havoc isHighWaterSensorDry_~retValue_acc~6; 535#L607 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 536#L612 isHighWaterLevel_#t~ret68 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6 := isHighWaterLevel_#t~ret68;havoc isHighWaterLevel_#t~ret68; 557#L831 assume 0 != isHighWaterLevel_~tmp~6;isHighWaterLevel_~tmp___0~1 := 0; 546#L831-2 isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; 514#L837 processEnvironment_#t~ret50 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~5 := processEnvironment_#t~ret50;havoc processEnvironment_#t~ret50; 515#L733 assume !(0 != processEnvironment_~tmp~5);assume { :begin_inline_processEnvironment__wrappee__base } true; 549#L721 assume { :end_inline_processEnvironment__wrappee__base } true; 550#L729-1 assume { :end_inline_processEnvironment } true; 561#L704-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 525#L567 __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 526#L858 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 581#L858-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 567#L714 assume { :end_inline_timeShift } true; 510#L629-3 [2018-11-18 13:02:10,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:10,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 13:02:10,676 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:10,677 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:10,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:10,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:02:10,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:10,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:10,712 INFO L82 PathProgramCache]: Analyzing trace with hash 528327806, now seen corresponding path program 1 times [2018-11-18 13:02:10,712 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:10,713 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:10,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:10,714 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:02:10,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:10,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:10,723 INFO L82 PathProgramCache]: Analyzing trace with hash 903615546, now seen corresponding path program 1 times [2018-11-18 13:02:10,724 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:10,724 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:10,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:10,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:02:10,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:10,915 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2018-11-18 13:03:08,191 WARN L180 SmtUtils]: Spent 57.23 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 13:03:38,132 WARN L180 SmtUtils]: Spent 29.94 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 13:03:38,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 01:03:38 BoogieIcfgContainer [2018-11-18 13:03:38,204 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 13:03:38,204 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:03:38,204 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:03:38,204 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:03:38,205 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:02:09" (3/4) ... [2018-11-18 13:03:38,207 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 13:03:38,245 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8d83df45-2b90-45f8-ac6d-62b2fd4deeee/bin-2019/uautomizer/witness.graphml [2018-11-18 13:03:38,245 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:03:38,246 INFO L168 Benchmark]: Toolchain (without parser) took 89489.21 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 263.2 MB). Free memory was 956.5 MB in the beginning and 1.2 GB in the end (delta: -284.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:03:38,246 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:03:38,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:03:38,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.40 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:03:38,247 INFO L168 Benchmark]: Boogie Preprocessor took 36.78 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 13:03:38,247 INFO L168 Benchmark]: RCFGBuilder took 527.92 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: 64.2 MB). Peak memory consumption was 64.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:03:38,248 INFO L168 Benchmark]: BuchiAutomizer took 88392.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 120.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -178.3 MB). Peak memory consumption was 329.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:03:38,248 INFO L168 Benchmark]: Witness Printer took 41.29 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:03:38,249 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 436.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.40 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 527.92 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: 64.2 MB). Peak memory consumption was 64.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 88392.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 120.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -178.3 MB). Peak memory consumption was 329.5 MB. Max. memory is 11.5 GB. * Witness Printer took 41.29 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 150 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 88.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 87.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 150 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 275 SDtfs, 481 SDslu, 75 SDs, 0 SdLazy, 29 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 629]: 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, "On"=33, "Off"=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6841b76=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29bde7f8=165, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59e32c31=0, "CRIT"=0, ")"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45998734=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ed64130=0, "On"=0, "Off"=37, "OK"=0, methaneLevelCritical=0, "Env(Water:%i"=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8fcefa6=0, tmp___0=0, retValue_acc=1, ") "=0, tmp=0, "CRIT"=27, "__utac__get_this_argtype"=23, retValue_acc=0, "\n"=0, tmp___1=165, "libacc.c"=18, "libacc.c"=15, tmp___0=0, "libacc.c"=11, "i > 0 && i <= this->argsCount"=17, ",Meth:"=26, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=20, ")"=29, "Pump(System:"=31, "libacc.c"=0, "__utac__get_this_arg"=0, "libacc.c"=0, NULL=0, systemActive=1, waterLevel=1, "libacc.c"=0, "__utac__get_this_argtype"=0, \result=0, retValue_acc=0, tmp___0=0, "On"=0, "Off"=0, "Pump(System:"=0, \result=1, head=0, pumpRunning=0, tmp=1, "Off"=34, \result=0, retValue_acc=1, "__utac__get_this_arg"=12, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6bc73d4c=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75fcd9cd=0, \result=1, "\n"=39, "On"=36, "i > 0 && i <= this->argsCount"=14, tmp___2=0, "__utac__get_this_argtype"=19, tmp=1, splverifierCounter=0, ",Pump:"=0, \result=0, ",Pump:"=35, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e6a84c9=0, "i > 0 && i <= this->argsCount"=0, tmp=0, "__utac__get_this_arg"=16, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=8, "libacc.c"=0, "libacc.c"=22, "Env(Water:%i"=0, ",Meth:"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "OK"=28, ") "=38} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 629]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L441] FCALL "i > 0 && i <= this->argsCount" [L441] FCALL "libacc.c" [L442] FCALL "__utac__get_this_arg" [L448] FCALL "i > 0 && i <= this->argsCount" [L448] FCALL "libacc.c" [L449] FCALL "__utac__get_this_arg" [L487] FCALL "i > 0 && i <= this->argsCount" [L487] FCALL "libacc.c" [L488] FCALL "__utac__get_this_argtype" [L494] FCALL "i > 0 && i <= this->argsCount" [L494] FCALL "libacc.c" [L495] FCALL "__utac__get_this_argtype" [L576] FCALL "Env(Water:%i" [L577] FCALL ",Meth:" [L581] FCALL "CRIT" [L585] FCALL "OK" [L589] FCALL ")" [L791] FCALL "Pump(System:" [L795] FCALL "On" [L799] FCALL "Off" [L803] FCALL ",Pump:" [L807] FCALL "On" [L811] FCALL "Off" [L815] FCALL ") " [L817] FCALL "\n" [L40] int cleanupTimeShifts = 4; [L524] int waterLevel = 1; [L525] int methaneLevelCritical = 0; [L689] int pumpRunning = 0; [L690] int systemActive = 1; [L313] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L126] FCALL select_helpers() [L127] FCALL select_features() [L128] CALL, EXPR valid_product() [L902] int retValue_acc ; [L905] retValue_acc = 1 [L906] RET return (retValue_acc); [L128] EXPR valid_product() [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L132] FCALL setup() [L133] CALL runTest() [L112] CALL test() [L620] int splverifierCounter ; [L621] int tmp ; [L622] int tmp___0 ; [L623] int tmp___1 ; [L624] int tmp___2 ; [L627] splverifierCounter = 0 Loop: [L629] COND TRUE 1 [L631] COND TRUE splverifierCounter < 4 [L637] tmp = __VERIFIER_nondet_int() [L639] COND FALSE !(\read(tmp)) [L647] tmp___0 = __VERIFIER_nondet_int() [L649] COND FALSE !(\read(tmp___0)) [L657] tmp___2 = __VERIFIER_nondet_int() [L659] COND FALSE !(\read(tmp___2)) [L665] tmp___1 = __VERIFIER_nondet_int() [L667] COND TRUE \read(tmp___1) [L674] CALL timeShift() [L697] COND FALSE !(\read(pumpRunning)) [L704] COND TRUE \read(systemActive) [L706] CALL processEnvironment() [L726] int tmp ; [L729] COND TRUE ! pumpRunning [L731] CALL, EXPR isHighWaterLevel() [L823] int retValue_acc ; [L824] int tmp ; [L825] int tmp___0 ; [L829] CALL, EXPR isHighWaterSensorDry() [L604] int retValue_acc ; [L607] COND TRUE waterLevel < 2 [L608] retValue_acc = 1 [L609] RET return (retValue_acc); [L829] EXPR isHighWaterSensorDry() [L829] tmp = isHighWaterSensorDry() [L831] COND TRUE \read(tmp) [L832] tmp___0 = 0 [L836] retValue_acc = tmp___0 [L837] RET return (retValue_acc); [L731] EXPR isHighWaterLevel() [L731] tmp = isHighWaterLevel() [L733] COND FALSE !(\read(tmp)) [L739] RET, FCALL processEnvironment__wrappee__base() [L706] processEnvironment() [L712] CALL __utac_acc__Specification1_spec__1() [L851] int tmp ; [L852] int tmp___0 ; [L856] CALL, EXPR isMethaneLevelCritical() [L563] int retValue_acc ; [L566] retValue_acc = methaneLevelCritical [L567] RET return (retValue_acc); [L856] EXPR isMethaneLevelCritical() [L856] tmp = isMethaneLevelCritical() [L858] COND FALSE, RET !(\read(tmp)) [L712] RET __utac_acc__Specification1_spec__1() [L674] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...