./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product57_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_af5b95cd-3d2e-4d80-935f-3077545e1186/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_af5b95cd-3d2e-4d80-935f-3077545e1186/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_af5b95cd-3d2e-4d80-935f-3077545e1186/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_af5b95cd-3d2e-4d80-935f-3077545e1186/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_af5b95cd-3d2e-4d80-935f-3077545e1186/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_af5b95cd-3d2e-4d80-935f-3077545e1186/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 9bd2750697477c749a894a241eb18460dbfa6e62 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 14:43:01,974 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:43:01,976 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:43:01,983 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:43:01,983 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:43:01,984 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:43:01,985 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:43:01,986 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:43:01,987 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:43:01,988 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:43:01,988 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:43:01,989 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:43:01,989 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:43:01,990 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:43:01,990 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:43:01,991 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:43:01,991 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:43:01,992 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:43:01,994 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:43:01,995 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:43:01,995 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:43:01,996 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:43:01,998 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:43:01,998 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:43:01,998 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:43:01,999 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:43:02,000 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:43:02,000 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:43:02,000 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:43:02,001 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:43:02,001 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:43:02,002 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:43:02,002 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:43:02,002 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:43:02,003 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:43:02,003 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:43:02,004 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_af5b95cd-3d2e-4d80-935f-3077545e1186/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 14:43:02,015 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:43:02,015 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:43:02,016 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:43:02,016 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:43:02,016 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 14:43:02,017 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 14:43:02,017 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 14:43:02,017 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 14:43:02,017 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 14:43:02,017 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 14:43:02,017 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 14:43:02,017 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:43:02,017 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:43:02,018 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 14:43:02,018 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:43:02,018 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:43:02,018 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:43:02,018 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 14:43:02,018 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 14:43:02,018 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 14:43:02,018 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:43:02,019 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:43:02,019 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 14:43:02,019 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:43:02,019 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 14:43:02,019 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:43:02,019 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:43:02,019 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 14:43:02,019 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:43:02,020 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 14:43:02,020 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 14:43:02,020 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 14:43:02,020 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_af5b95cd-3d2e-4d80-935f-3077545e1186/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 -> 9bd2750697477c749a894a241eb18460dbfa6e62 [2018-11-18 14:43:02,044 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:43:02,055 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:43:02,058 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:43:02,060 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:43:02,060 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:43:02,061 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_af5b95cd-3d2e-4d80-935f-3077545e1186/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product57_true-unreach-call_false-termination.cil.c [2018-11-18 14:43:02,108 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_af5b95cd-3d2e-4d80-935f-3077545e1186/bin-2019/uautomizer/data/5dabae890/fce796c00cdc4d9c9d8fa71f61228ada/FLAGfe3ac1f69 [2018-11-18 14:43:02,523 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:43:02,524 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_af5b95cd-3d2e-4d80-935f-3077545e1186/sv-benchmarks/c/product-lines/minepump_spec5_product57_true-unreach-call_false-termination.cil.c [2018-11-18 14:43:02,535 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_af5b95cd-3d2e-4d80-935f-3077545e1186/bin-2019/uautomizer/data/5dabae890/fce796c00cdc4d9c9d8fa71f61228ada/FLAGfe3ac1f69 [2018-11-18 14:43:02,893 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_af5b95cd-3d2e-4d80-935f-3077545e1186/bin-2019/uautomizer/data/5dabae890/fce796c00cdc4d9c9d8fa71f61228ada [2018-11-18 14:43:02,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:43:02,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:43:02,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:43:02,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:43:02,903 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:43:02,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:43:02" (1/1) ... [2018-11-18 14:43:02,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5587dbd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:02, skipping insertion in model container [2018-11-18 14:43:02,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:43:02" (1/1) ... [2018-11-18 14:43:02,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:43:02,951 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:43:03,202 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:43:03,213 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:43:03,334 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:43:03,360 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:43:03,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:03 WrapperNode [2018-11-18 14:43:03,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:43:03,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:43:03,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:43:03,361 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:43:03,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:03" (1/1) ... [2018-11-18 14:43:03,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:03" (1/1) ... [2018-11-18 14:43:03,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:43:03,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:43:03,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:43:03,408 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:43:03,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:03" (1/1) ... [2018-11-18 14:43:03,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:03" (1/1) ... [2018-11-18 14:43:03,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:03" (1/1) ... [2018-11-18 14:43:03,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:03" (1/1) ... [2018-11-18 14:43:03,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:03" (1/1) ... [2018-11-18 14:43:03,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:03" (1/1) ... [2018-11-18 14:43:03,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:03" (1/1) ... [2018-11-18 14:43:03,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:43:03,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:43:03,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:43:03,443 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:43:03,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_af5b95cd-3d2e-4d80-935f-3077545e1186/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 14:43:03,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:43:03,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:43:03,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:43:04,171 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:43:04,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:43:04 BoogieIcfgContainer [2018-11-18 14:43:04,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:43:04,172 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 14:43:04,172 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 14:43:04,174 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 14:43:04,175 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:43:04,175 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 02:43:02" (1/3) ... [2018-11-18 14:43:04,176 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31d62086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:43:04, skipping insertion in model container [2018-11-18 14:43:04,176 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:43:04,176 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:03" (2/3) ... [2018-11-18 14:43:04,177 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31d62086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:43:04, skipping insertion in model container [2018-11-18 14:43:04,177 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:43:04,177 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:43:04" (3/3) ... [2018-11-18 14:43:04,178 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product57_true-unreach-call_false-termination.cil.c [2018-11-18 14:43:04,231 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:43:04,232 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 14:43:04,232 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 14:43:04,232 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 14:43:04,232 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:43:04,232 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:43:04,233 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 14:43:04,233 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:43:04,233 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 14:43:04,252 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 198 states. [2018-11-18 14:43:04,277 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 128 [2018-11-18 14:43:04,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:43:04,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:43:04,287 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:04,287 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:04,287 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 14:43:04,288 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 198 states. [2018-11-18 14:43:04,296 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 128 [2018-11-18 14:43:04,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:43:04,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:43:04,298 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:04,298 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:04,304 INFO L794 eck$LassoCheckResult]: Stem: 69#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string3.base, #t~string3.offset := #Ultimate.alloc(13);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 44];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 77];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 101];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 116];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 104];#memory_int := #memory_int[#t~string5.base,5 + #t~string5.offset := 58];#memory_int := #memory_int[#t~string5.base,6 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 67];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 82];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 73];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 84];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 75];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 41];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(21);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(25);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(25);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(13);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(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 80];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 117];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 109];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 112];#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(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 110];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 102];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 102];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 32];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 10];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 4#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 186#L74true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 161#L67true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 78#L82true main_#t~ret1 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 66#L176true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 136#L150true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 63#L672true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 23#L725-3true [2018-11-18 14:43:04,305 INFO L796 eck$LassoCheckResult]: Loop: 23#L725-3true assume true; 20#L725-1true assume !false; 92#L726true assume test_~splverifierCounter~0 < 4; 62#L727true test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 176#L735true assume !(0 != test_~tmp~5); 172#L735-2true test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 199#L745true assume !(0 != test_~tmp___0~1); 200#L745-2true test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 151#L755true assume 0 != test_~tmp___2~0; 127#L761-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret47;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; 101#L921true __utac_acc__Specification5_spec__2_#t~ret47 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret47;havoc __utac_acc__Specification5_spec__2_#t~ret47; 96#L682true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 91#L792true assume !(0 != ~pumpRunning~0); 93#L792-2true assume !(0 != ~systemActive~0); 150#L799-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret48, __utac_acc__Specification5_spec__3_#t~ret49, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 121#L271true __utac_acc__Specification5_spec__3_#t~ret48 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret48;havoc __utac_acc__Specification5_spec__3_#t~ret48; 95#L693true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 80#L693-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 67#L809true assume { :end_inline_timeShift } true; 23#L725-3true [2018-11-18 14:43:04,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:04,311 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 14:43:04,313 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:04,314 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:04,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:04,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:04,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:04,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:04,491 INFO L82 PathProgramCache]: Analyzing trace with hash -241281283, now seen corresponding path program 1 times [2018-11-18 14:43:04,491 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:04,492 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:04,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:04,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:04,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:04,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:04,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1188467060, now seen corresponding path program 1 times [2018-11-18 14:43:04,508 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:04,508 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:04,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:04,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:04,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:04,680 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 14:43:04,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:43:04,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:43:04,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:43:04,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:43:04,806 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 6 states. [2018-11-18 14:43:05,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:43:05,026 INFO L93 Difference]: Finished difference Result 195 states and 253 transitions. [2018-11-18 14:43:05,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 14:43:05,028 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 195 states and 253 transitions. [2018-11-18 14:43:05,032 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 124 [2018-11-18 14:43:05,038 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 195 states to 185 states and 243 transitions. [2018-11-18 14:43:05,039 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 185 [2018-11-18 14:43:05,040 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 185 [2018-11-18 14:43:05,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 185 states and 243 transitions. [2018-11-18 14:43:05,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:43:05,041 INFO L705 BuchiCegarLoop]: Abstraction has 185 states and 243 transitions. [2018-11-18 14:43:05,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states and 243 transitions. [2018-11-18 14:43:05,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2018-11-18 14:43:05,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-11-18 14:43:05,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 243 transitions. [2018-11-18 14:43:05,071 INFO L728 BuchiCegarLoop]: Abstraction has 185 states and 243 transitions. [2018-11-18 14:43:05,071 INFO L608 BuchiCegarLoop]: Abstraction has 185 states and 243 transitions. [2018-11-18 14:43:05,071 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 14:43:05,071 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 185 states and 243 transitions. [2018-11-18 14:43:05,073 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 124 [2018-11-18 14:43:05,074 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:43:05,074 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:43:05,074 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:05,075 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] [2018-11-18 14:43:05,075 INFO L794 eck$LassoCheckResult]: Stem: 578#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string3.base, #t~string3.offset := #Ultimate.alloc(13);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 44];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 77];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 101];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 116];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 104];#memory_int := #memory_int[#t~string5.base,5 + #t~string5.offset := 58];#memory_int := #memory_int[#t~string5.base,6 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 67];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 82];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 73];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 84];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 75];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 41];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(21);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(25);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(25);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(13);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(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 80];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 117];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 109];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 112];#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(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 110];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 102];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 102];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 32];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 10];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 432#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 433#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 551#L67 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 552#L82 main_#t~ret1 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 571#L176 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 497#L150 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 498#L672 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 499#L725-3 [2018-11-18 14:43:05,075 INFO L796 eck$LassoCheckResult]: Loop: 499#L725-3 assume true; 489#L725-1 assume !false; 490#L726 assume test_~splverifierCounter~0 < 4; 564#L727 test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 565#L735 assume !(0 != test_~tmp~5); 568#L735-2 test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 569#L745 assume !(0 != test_~tmp___0~1); 567#L745-2 test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 540#L755 assume 0 != test_~tmp___2~0; 456#L761-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret47;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; 413#L921 __utac_acc__Specification5_spec__2_#t~ret47 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret47;havoc __utac_acc__Specification5_spec__2_#t~ret47; 414#L682 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 595#L792 assume !(0 != ~pumpRunning~0); 480#L792-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret55, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 593#L850 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret54, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 528#L824-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 465#L816-3 assume { :end_inline_processEnvironment__wrappee__base } true; 458#L824-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 523#L850-1 assume { :end_inline_processEnvironment } true; 538#L799-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret48, __utac_acc__Specification5_spec__3_#t~ret49, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 453#L271 __utac_acc__Specification5_spec__3_#t~ret48 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret48;havoc __utac_acc__Specification5_spec__3_#t~ret48; 454#L693 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 448#L693-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 574#L809 assume { :end_inline_timeShift } true; 499#L725-3 [2018-11-18 14:43:05,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:05,076 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 14:43:05,076 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:05,076 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:05,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:05,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:05,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:05,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:05,122 INFO L82 PathProgramCache]: Analyzing trace with hash -371631895, now seen corresponding path program 1 times [2018-11-18 14:43:05,122 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:05,122 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:05,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:05,123 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:43:05,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:05,156 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 14:43:05,156 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:43:05,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:43:05,156 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 14:43:05,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:43:05,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:43:05,157 INFO L87 Difference]: Start difference. First operand 185 states and 243 transitions. cyclomatic complexity: 60 Second operand 3 states. [2018-11-18 14:43:05,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:43:05,297 INFO L93 Difference]: Finished difference Result 257 states and 325 transitions. [2018-11-18 14:43:05,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:43:05,298 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 257 states and 325 transitions. [2018-11-18 14:43:05,301 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 178 [2018-11-18 14:43:05,304 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 257 states to 257 states and 325 transitions. [2018-11-18 14:43:05,304 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 257 [2018-11-18 14:43:05,304 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 257 [2018-11-18 14:43:05,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 257 states and 325 transitions. [2018-11-18 14:43:05,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:43:05,307 INFO L705 BuchiCegarLoop]: Abstraction has 257 states and 325 transitions. [2018-11-18 14:43:05,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states and 325 transitions. [2018-11-18 14:43:05,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2018-11-18 14:43:05,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-11-18 14:43:05,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 325 transitions. [2018-11-18 14:43:05,320 INFO L728 BuchiCegarLoop]: Abstraction has 257 states and 325 transitions. [2018-11-18 14:43:05,320 INFO L608 BuchiCegarLoop]: Abstraction has 257 states and 325 transitions. [2018-11-18 14:43:05,320 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 14:43:05,320 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 257 states and 325 transitions. [2018-11-18 14:43:05,323 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 178 [2018-11-18 14:43:05,323 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:43:05,323 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:43:05,325 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:05,325 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, 1] [2018-11-18 14:43:05,325 INFO L794 eck$LassoCheckResult]: Stem: 1033#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string3.base, #t~string3.offset := #Ultimate.alloc(13);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 44];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 77];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 101];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 116];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 104];#memory_int := #memory_int[#t~string5.base,5 + #t~string5.offset := 58];#memory_int := #memory_int[#t~string5.base,6 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 67];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 82];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 73];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 84];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 75];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 41];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(21);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(25);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(25);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(13);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(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 80];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 117];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 109];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 112];#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(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 110];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 102];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 102];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 32];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 10];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 880#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 881#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1003#L67 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 1004#L82 main_#t~ret1 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 1029#L176 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 945#L150 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 946#L672 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1023#L725-3 [2018-11-18 14:43:05,326 INFO L796 eck$LassoCheckResult]: Loop: 1023#L725-3 assume true; 1092#L725-1 assume !false; 1091#L726 assume test_~splverifierCounter~0 < 4; 1021#L727 test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 1022#L735 assume !(0 != test_~tmp~5); 1026#L735-2 test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 1027#L745 assume !(0 != test_~tmp___0~1); 1025#L745-2 test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 993#L755 assume 0 != test_~tmp___2~0; 902#L761-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret47;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; 859#L921 __utac_acc__Specification5_spec__2_#t~ret47 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret47;havoc __utac_acc__Specification5_spec__2_#t~ret47; 860#L682 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1058#L792 assume !(0 != ~pumpRunning~0); 1059#L792-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret55, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 1052#L850 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret54, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 980#L824-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret74, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~9, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~9;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; 981#L279-1 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; 995#L284-1 isHighWaterLevel_#t~ret74 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~9 := isHighWaterLevel_#t~ret74;havoc isHighWaterLevel_#t~ret74; 949#L970-3 assume 0 != isHighWaterLevel_~tmp~9;isHighWaterLevel_~tmp___0~2 := 0; 950#L970-5 isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; 895#L976-1 processEnvironment__wrappee__highWaterSensor_#t~ret54 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6 := processEnvironment__wrappee__highWaterSensor_#t~ret54;havoc processEnvironment__wrappee__highWaterSensor_#t~ret54; 896#L828-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6);assume { :begin_inline_processEnvironment__wrappee__base } true; 903#L816-2 assume { :end_inline_processEnvironment__wrappee__base } true; 904#L824-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1061#L850-1 assume { :end_inline_processEnvironment } true; 1100#L799-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret48, __utac_acc__Specification5_spec__3_#t~ret49, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 1099#L271 __utac_acc__Specification5_spec__3_#t~ret48 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret48;havoc __utac_acc__Specification5_spec__3_#t~ret48; 1097#L693 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 1094#L693-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1093#L809 assume { :end_inline_timeShift } true; 1023#L725-3 [2018-11-18 14:43:05,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:05,326 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 14:43:05,326 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:05,326 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:05,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:05,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:05,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:05,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:05,370 INFO L82 PathProgramCache]: Analyzing trace with hash 739521727, now seen corresponding path program 1 times [2018-11-18 14:43:05,370 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:05,370 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:05,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:05,372 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:43:05,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:05,402 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 14:43:05,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:43:05,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 14:43:05,402 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 14:43:05,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 14:43:05,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:43:05,403 INFO L87 Difference]: Start difference. First operand 257 states and 325 transitions. cyclomatic complexity: 70 Second operand 4 states. [2018-11-18 14:43:05,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:43:05,494 INFO L93 Difference]: Finished difference Result 731 states and 911 transitions. [2018-11-18 14:43:05,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 14:43:05,494 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 731 states and 911 transitions. [2018-11-18 14:43:05,498 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 518 [2018-11-18 14:43:05,502 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 731 states to 731 states and 911 transitions. [2018-11-18 14:43:05,502 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 731 [2018-11-18 14:43:05,503 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 731 [2018-11-18 14:43:05,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 731 states and 911 transitions. [2018-11-18 14:43:05,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:43:05,507 INFO L705 BuchiCegarLoop]: Abstraction has 731 states and 911 transitions. [2018-11-18 14:43:05,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states and 911 transitions. [2018-11-18 14:43:05,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 269. [2018-11-18 14:43:05,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-11-18 14:43:05,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 337 transitions. [2018-11-18 14:43:05,523 INFO L728 BuchiCegarLoop]: Abstraction has 269 states and 337 transitions. [2018-11-18 14:43:05,524 INFO L608 BuchiCegarLoop]: Abstraction has 269 states and 337 transitions. [2018-11-18 14:43:05,524 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 14:43:05,524 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 269 states and 337 transitions. [2018-11-18 14:43:05,525 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 186 [2018-11-18 14:43:05,525 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:43:05,525 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:43:05,526 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:05,526 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, 1] [2018-11-18 14:43:05,527 INFO L794 eck$LassoCheckResult]: Stem: 2039#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string3.base, #t~string3.offset := #Ultimate.alloc(13);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 44];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 77];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 101];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 116];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 104];#memory_int := #memory_int[#t~string5.base,5 + #t~string5.offset := 58];#memory_int := #memory_int[#t~string5.base,6 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 67];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 82];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 73];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 84];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 75];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 41];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(21);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(25);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(25);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(13);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(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 80];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 117];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 109];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 112];#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(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 110];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 102];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 102];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 32];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 10];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1878#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 1879#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2003#L67 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 2004#L82 main_#t~ret1 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 2035#L176 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 1945#L150 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1946#L672 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1947#L725-3 [2018-11-18 14:43:05,527 INFO L796 eck$LassoCheckResult]: Loop: 1947#L725-3 assume true; 1935#L725-1 assume !false; 1936#L726 assume test_~splverifierCounter~0 < 4; 2028#L727 test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 2029#L735 assume !(0 != test_~tmp~5); 2032#L735-2 test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 2033#L745 assume !(0 != test_~tmp___0~1); 2031#L745-2 test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 1990#L755 assume 0 != test_~tmp___2~0; 1900#L761-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret47;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; 1857#L921 __utac_acc__Specification5_spec__2_#t~ret47 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret47;havoc __utac_acc__Specification5_spec__2_#t~ret47; 1858#L682 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2061#L792 assume !(0 != ~pumpRunning~0); 2062#L792-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret55, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 2057#L850 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret54, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 1977#L824-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret74, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~9, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~9;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; 1978#L279-1 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; 1993#L284-1 isHighWaterLevel_#t~ret74 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~9 := isHighWaterLevel_#t~ret74;havoc isHighWaterLevel_#t~ret74; 1949#L970-3 assume !(0 != isHighWaterLevel_~tmp~9);isHighWaterLevel_~tmp___0~2 := 1; 1950#L970-5 isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; 1893#L976-1 processEnvironment__wrappee__highWaterSensor_#t~ret54 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6 := processEnvironment__wrappee__highWaterSensor_#t~ret54;havoc processEnvironment__wrappee__highWaterSensor_#t~ret54; 1894#L828-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6);assume { :begin_inline_processEnvironment__wrappee__base } true; 1901#L816-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1902#L824-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1974#L850-1 assume { :end_inline_processEnvironment } true; 1987#L799-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret48, __utac_acc__Specification5_spec__3_#t~ret49, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 1895#L271 __utac_acc__Specification5_spec__3_#t~ret48 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret48;havoc __utac_acc__Specification5_spec__3_#t~ret48; 1896#L693 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 1892#L693-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2038#L809 assume { :end_inline_timeShift } true; 1947#L725-3 [2018-11-18 14:43:05,527 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:05,527 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2018-11-18 14:43:05,527 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:05,528 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:05,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:05,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:05,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:05,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:05,562 INFO L82 PathProgramCache]: Analyzing trace with hash 997687165, now seen corresponding path program 1 times [2018-11-18 14:43:05,562 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:05,562 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:05,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:05,563 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:43:05,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:05,603 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 14:43:05,603 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:43:05,603 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:43:05,603 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 14:43:05,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 14:43:05,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:43:05,604 INFO L87 Difference]: Start difference. First operand 269 states and 337 transitions. cyclomatic complexity: 70 Second operand 5 states. [2018-11-18 14:43:05,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:43:05,732 INFO L93 Difference]: Finished difference Result 647 states and 806 transitions. [2018-11-18 14:43:05,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 14:43:05,733 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 647 states and 806 transitions. [2018-11-18 14:43:05,736 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 462 [2018-11-18 14:43:05,739 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 647 states to 647 states and 806 transitions. [2018-11-18 14:43:05,739 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 647 [2018-11-18 14:43:05,740 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 647 [2018-11-18 14:43:05,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 647 states and 806 transitions. [2018-11-18 14:43:05,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:43:05,741 INFO L705 BuchiCegarLoop]: Abstraction has 647 states and 806 transitions. [2018-11-18 14:43:05,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states and 806 transitions. [2018-11-18 14:43:05,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 287. [2018-11-18 14:43:05,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2018-11-18 14:43:05,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 355 transitions. [2018-11-18 14:43:05,752 INFO L728 BuchiCegarLoop]: Abstraction has 287 states and 355 transitions. [2018-11-18 14:43:05,752 INFO L608 BuchiCegarLoop]: Abstraction has 287 states and 355 transitions. [2018-11-18 14:43:05,752 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2018-11-18 14:43:05,753 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 287 states and 355 transitions. [2018-11-18 14:43:05,755 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 198 [2018-11-18 14:43:05,755 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:43:05,755 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:43:05,756 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:05,756 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, 1] [2018-11-18 14:43:05,756 INFO L794 eck$LassoCheckResult]: Stem: 2976#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string3.base, #t~string3.offset := #Ultimate.alloc(13);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 44];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 77];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 101];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 116];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 104];#memory_int := #memory_int[#t~string5.base,5 + #t~string5.offset := 58];#memory_int := #memory_int[#t~string5.base,6 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 67];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 82];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 73];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 84];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 75];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 41];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(21);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(25);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(25);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(13);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(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 80];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 117];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 109];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 112];#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(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 110];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 102];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 102];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 32];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 10];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 2809#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 2810#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2943#L67 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 2944#L82 main_#t~ret1 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 2971#L176 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 2882#L150 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2883#L672 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2965#L725-3 [2018-11-18 14:43:05,756 INFO L796 eck$LassoCheckResult]: Loop: 2965#L725-3 assume true; 3038#L725-1 assume !false; 3035#L726 assume test_~splverifierCounter~0 < 4; 3036#L727 test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 2973#L735 assume !(0 != test_~tmp~5); 2968#L735-2 test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 2969#L745 assume !(0 != test_~tmp___0~1); 3051#L745-2 test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 2929#L755 assume 0 != test_~tmp___2~0; 2832#L761-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret47;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; 2787#L921 __utac_acc__Specification5_spec__2_#t~ret47 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret47;havoc __utac_acc__Specification5_spec__2_#t~ret47; 2788#L682 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 3002#L792 assume !(0 != ~pumpRunning~0); 3003#L792-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret55, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 2995#L850 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret54, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 2916#L824-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret74, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~9, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~9;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; 2917#L279-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; 2933#L284-1 isHighWaterLevel_#t~ret74 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~9 := isHighWaterLevel_#t~ret74;havoc isHighWaterLevel_#t~ret74; 3019#L970-3 assume 0 != isHighWaterLevel_~tmp~9;isHighWaterLevel_~tmp___0~2 := 0; 3017#L970-5 isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; 3015#L976-1 processEnvironment__wrappee__highWaterSensor_#t~ret54 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6 := processEnvironment__wrappee__highWaterSensor_#t~ret54;havoc processEnvironment__wrappee__highWaterSensor_#t~ret54; 3013#L828-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6);assume { :begin_inline_processEnvironment__wrappee__base } true; 2833#L816-2 assume { :end_inline_processEnvironment__wrappee__base } true; 2834#L824-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 3007#L850-1 assume { :end_inline_processEnvironment } true; 3050#L799-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret48, __utac_acc__Specification5_spec__3_#t~ret49, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 3049#L271 __utac_acc__Specification5_spec__3_#t~ret48 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret48;havoc __utac_acc__Specification5_spec__3_#t~ret48; 3047#L693 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 3043#L693-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 3041#L809 assume { :end_inline_timeShift } true; 2965#L725-3 [2018-11-18 14:43:05,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:05,757 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 5 times [2018-11-18 14:43:05,757 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:05,757 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:05,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:05,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:05,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:05,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:05,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:05,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1750638977, now seen corresponding path program 1 times [2018-11-18 14:43:05,794 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:05,794 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:05,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:05,795 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:43:05,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:05,831 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 14:43:05,831 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:43:05,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:43:05,831 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 14:43:05,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 14:43:05,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:43:05,832 INFO L87 Difference]: Start difference. First operand 287 states and 355 transitions. cyclomatic complexity: 70 Second operand 5 states. [2018-11-18 14:43:05,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:43:05,977 INFO L93 Difference]: Finished difference Result 768 states and 932 transitions. [2018-11-18 14:43:05,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:43:05,978 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 768 states and 932 transitions. [2018-11-18 14:43:05,982 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 485 [2018-11-18 14:43:05,985 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 768 states to 768 states and 932 transitions. [2018-11-18 14:43:05,985 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 768 [2018-11-18 14:43:05,986 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 768 [2018-11-18 14:43:05,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 768 states and 932 transitions. [2018-11-18 14:43:05,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:43:05,987 INFO L705 BuchiCegarLoop]: Abstraction has 768 states and 932 transitions. [2018-11-18 14:43:05,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states and 932 transitions. [2018-11-18 14:43:05,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 516. [2018-11-18 14:43:05,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2018-11-18 14:43:05,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 626 transitions. [2018-11-18 14:43:05,997 INFO L728 BuchiCegarLoop]: Abstraction has 516 states and 626 transitions. [2018-11-18 14:43:05,997 INFO L608 BuchiCegarLoop]: Abstraction has 516 states and 626 transitions. [2018-11-18 14:43:05,997 INFO L442 BuchiCegarLoop]: ======== Iteration 6============ [2018-11-18 14:43:05,998 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 516 states and 626 transitions. [2018-11-18 14:43:06,000 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 362 [2018-11-18 14:43:06,000 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:43:06,001 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:43:06,001 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:06,002 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, 1, 1, 1] [2018-11-18 14:43:06,002 INFO L794 eck$LassoCheckResult]: Stem: 4042#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string3.base, #t~string3.offset := #Ultimate.alloc(13);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 44];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 77];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 101];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 116];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 104];#memory_int := #memory_int[#t~string5.base,5 + #t~string5.offset := 58];#memory_int := #memory_int[#t~string5.base,6 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 67];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 82];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 73];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 84];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 75];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 41];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(21);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(25);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(25);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(13);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(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 80];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 117];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 109];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 112];#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(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 110];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 102];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 102];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 32];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 10];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 3879#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 3880#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 4007#L67 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 4008#L82 main_#t~ret1 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 4038#L176 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 3946#L150 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 3947#L672 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 3948#L725-3 [2018-11-18 14:43:06,002 INFO L796 eck$LassoCheckResult]: Loop: 3948#L725-3 assume true; 3936#L725-1 assume !false; 3937#L726 assume test_~splverifierCounter~0 < 4; 4030#L727 test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 4031#L735 assume !(0 != test_~tmp~5); 4034#L735-2 test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 4035#L745 assume !(0 != test_~tmp___0~1); 4033#L745-2 test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 3994#L755 assume 0 != test_~tmp___2~0; 3903#L761-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret47;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; 3858#L921 __utac_acc__Specification5_spec__2_#t~ret47 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret47;havoc __utac_acc__Specification5_spec__2_#t~ret47; 3859#L682 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 4075#L792 assume !(0 != ~pumpRunning~0); 4299#L792-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret55, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 4063#L850 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret54, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 3979#L824-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret74, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~9, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~9;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; 3980#L279-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; 3997#L284-1 isHighWaterLevel_#t~ret74 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~9 := isHighWaterLevel_#t~ret74;havoc isHighWaterLevel_#t~ret74; 4308#L970-3 assume 0 != isHighWaterLevel_~tmp~9;isHighWaterLevel_~tmp___0~2 := 0; 4305#L970-5 isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; 4303#L976-1 processEnvironment__wrappee__highWaterSensor_#t~ret54 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6 := processEnvironment__wrappee__highWaterSensor_#t~ret54;havoc processEnvironment__wrappee__highWaterSensor_#t~ret54; 4301#L828-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6);assume { :begin_inline_processEnvironment__wrappee__base } true; 3904#L816-2 assume { :end_inline_processEnvironment__wrappee__base } true; 3905#L824-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 4078#L850-1 assume { :end_inline_processEnvironment } true; 3992#L799-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret48, __utac_acc__Specification5_spec__3_#t~ret49, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 3898#L271 __utac_acc__Specification5_spec__3_#t~ret48 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret48;havoc __utac_acc__Specification5_spec__3_#t~ret48; 3899#L693 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; 3864#L921-1 __utac_acc__Specification5_spec__3_#t~ret49 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret49;havoc __utac_acc__Specification5_spec__3_#t~ret49; 3865#L697 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 3895#L693-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 4041#L809 assume { :end_inline_timeShift } true; 3948#L725-3 [2018-11-18 14:43:06,002 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:06,003 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 6 times [2018-11-18 14:43:06,003 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:06,003 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:06,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:06,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:06,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:06,032 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:06,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1282218820, now seen corresponding path program 1 times [2018-11-18 14:43:06,032 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:06,032 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:06,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:06,033 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:43:06,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:06,042 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:06,042 INFO L82 PathProgramCache]: Analyzing trace with hash -685661275, now seen corresponding path program 1 times [2018-11-18 14:43:06,043 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:06,043 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:06,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:06,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:06,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:43:06,226 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2018-11-18 14:44:08,544 WARN L180 SmtUtils]: Spent 1.04 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 14:44:28,145 WARN L180 SmtUtils]: Spent 19.60 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 14:44:28,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 02:44:28 BoogieIcfgContainer [2018-11-18 14:44:28,213 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 14:44:28,213 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:44:28,213 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:44:28,213 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:44:28,214 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:43:04" (3/4) ... [2018-11-18 14:44:28,216 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 14:44:28,260 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_af5b95cd-3d2e-4d80-935f-3077545e1186/bin-2019/uautomizer/witness.graphml [2018-11-18 14:44:28,260 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:44:28,261 INFO L168 Benchmark]: Toolchain (without parser) took 85363.28 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 330.3 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -219.4 MB). Peak memory consumption was 110.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:44:28,261 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 14:44:28,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 462.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -180.8 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:44:28,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.04 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 14:44:28,262 INFO L168 Benchmark]: Boogie Preprocessor took 35.30 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 14:44:28,262 INFO L168 Benchmark]: RCFGBuilder took 728.35 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: 77.9 MB). Peak memory consumption was 77.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:44:28,262 INFO L168 Benchmark]: BuchiAutomizer took 84041.17 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -123.4 MB). Peak memory consumption was 336.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:44:28,263 INFO L168 Benchmark]: Witness Printer took 46.84 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:44:28,264 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 462.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -180.8 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.04 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 35.30 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. * RCFGBuilder took 728.35 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: 77.9 MB). Peak memory consumption was 77.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 84041.17 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -123.4 MB). Peak memory consumption was 336.7 MB. Max. memory is 11.5 GB. * Witness Printer took 46.84 ms. Allocated memory is still 1.4 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 5 terminating modules (5 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.5 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 516 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 83.9s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 82.9s. Construction of modules took 0.4s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 1074 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 516 states and ocurred in iteration 5. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1692 SDtfs, 2957 SDslu, 2271 SDs, 0 SdLazy, 298 SolverSat, 102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time LassoAnalysisResults: nont1 unkn0 SFLI4 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: 725]: 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, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3459c14=0, "Off"=0, retValue_acc=0, "libacc.c"=0, ") "=11, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=0, "CRIT"=36, "On"=0, "Off"=15, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, ")"=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13a79437=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29103275=167, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@549ab787=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a6c1639=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7309e743=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@476dd520=0, ",Pump:"=0, "Off"=0, tmp=0, "__utac__get_this_argtype"=22, "i > 0 && i <= this->argsCount"=28, tmp=1, "On"=0, tmp___1=0, "i > 0 && i <= this->argsCount"=24, cleanupTimeShifts=4, retValue_acc=0, "libacc.c"=27, switchedOnBeforeTS=0, "libacc.c"=31, "i > 0 && i <= this->argsCount"=20, tmp=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c86cff5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1024b420=0, NULL=0, systemActive=1, waterLevel=1, "Off"=8, \result=1, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, \result=0, "__utac__get_this_argtype"=18, tmp___0=0, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f7fd10=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "__utac__get_this_arg"=26, \result=1, "On"=12, "On"=16, ") "=0, retValue_acc=0, "\n"=0, ",Meth:"=37, retValue_acc=1, tmp___2=167, retValue_acc=1, "i > 0 && i <= this->argsCount"=33, tmp___0=0, splverifierCounter=0, "Env(Water:%i"=0, "Pump(System:"=0, "OK"=0, "CRIT"=0, ",Meth:"=0, tmp=1, "\n"=39, "OK"=35, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5429a189=0, "Pump(System:"=17, head=0, "__utac__get_this_arg"=29, tmp=0, "i > 0 && i <= this->argsCount"=0, "Env(Water:%i"=38, "libacc.c"=0, "libacc.c"=19, "libacc.c"=23, ")"=0, ",Pump:"=14} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 725]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L248] FCALL "Env(Water:%i" [L249] FCALL ",Meth:" [L253] FCALL "CRIT" [L257] FCALL "OK" [L261] FCALL ")" [L596] FCALL "i > 0 && i <= this->argsCount" [L596] FCALL "libacc.c" [L597] FCALL "__utac__get_this_arg" [L603] FCALL "i > 0 && i <= this->argsCount" [L603] FCALL "libacc.c" [L604] FCALL "__utac__get_this_arg" [L642] FCALL "i > 0 && i <= this->argsCount" [L642] FCALL "libacc.c" [L643] FCALL "__utac__get_this_argtype" [L649] FCALL "i > 0 && i <= this->argsCount" [L649] FCALL "libacc.c" [L650] FCALL "__utac__get_this_argtype" [L930] FCALL "Pump(System:" [L934] FCALL "On" [L938] FCALL "Off" [L942] FCALL ",Pump:" [L946] FCALL "On" [L950] FCALL "Off" [L954] FCALL ") " [L956] FCALL "\n" [L87] int cleanupTimeShifts = 4; [L196] int waterLevel = 1; [L197] int methaneLevelCritical = 0; [L666] int switchedOnBeforeTS ; [L782] int pumpRunning = 0; [L783] int systemActive = 1; [L468] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L167] int retValue_acc ; [L168] int tmp ; [L172] FCALL select_helpers() [L173] FCALL select_features() [L174] CALL, EXPR valid_product() [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] RET return (retValue_acc); [L174] EXPR valid_product() [L174] tmp = valid_product() [L176] COND TRUE \read(tmp) [L178] FCALL setup() [L179] CALL runTest() [L160] CALL __utac_acc__Specification5_spec__1() [L671] RET switchedOnBeforeTS = 0 [L160] __utac_acc__Specification5_spec__1() [L161] CALL test() [L716] int splverifierCounter ; [L717] int tmp ; [L718] int tmp___0 ; [L719] int tmp___1 ; [L720] int tmp___2 ; [L723] splverifierCounter = 0 Loop: [L725] COND TRUE 1 [L727] COND TRUE splverifierCounter < 4 [L733] tmp = __VERIFIER_nondet_int() [L735] COND FALSE !(\read(tmp)) [L743] tmp___0 = __VERIFIER_nondet_int() [L745] COND FALSE !(\read(tmp___0)) [L753] tmp___2 = __VERIFIER_nondet_int() [L755] COND TRUE \read(tmp___2) [L768] CALL timeShift() [L790] CALL __utac_acc__Specification5_spec__2() [L680] CALL, EXPR isPumpRunning() [L917] int retValue_acc ; [L920] retValue_acc = pumpRunning [L921] RET return (retValue_acc); [L680] EXPR isPumpRunning() [L680] RET switchedOnBeforeTS = isPumpRunning() [L790] __utac_acc__Specification5_spec__2() [L792] COND FALSE !(\read(pumpRunning)) [L799] COND TRUE \read(systemActive) [L801] CALL processEnvironment() [L847] int tmp ; [L850] COND FALSE !(\read(pumpRunning)) [L865] CALL processEnvironment__wrappee__highWaterSensor() [L821] int tmp ; [L824] COND TRUE ! pumpRunning [L826] CALL, EXPR isHighWaterLevel() [L962] int retValue_acc ; [L963] int tmp ; [L964] int tmp___0 ; [L968] CALL, EXPR isHighWaterSensorDry() [L276] int retValue_acc ; [L279] COND TRUE waterLevel < 2 [L280] retValue_acc = 1 [L281] RET return (retValue_acc); [L968] EXPR isHighWaterSensorDry() [L968] tmp = isHighWaterSensorDry() [L970] COND TRUE \read(tmp) [L971] tmp___0 = 0 [L975] retValue_acc = tmp___0 [L976] RET return (retValue_acc); [L826] EXPR isHighWaterLevel() [L826] tmp = isHighWaterLevel() [L828] COND FALSE !(\read(tmp)) [L834] RET, FCALL processEnvironment__wrappee__base() [L865] RET processEnvironment__wrappee__highWaterSensor() [L801] processEnvironment() [L807] CALL __utac_acc__Specification5_spec__3() [L686] int tmp ; [L687] int tmp___0 ; [L691] CALL, EXPR getWaterLevel() [L267] int retValue_acc ; [L270] retValue_acc = waterLevel [L271] RET return (retValue_acc); [L691] EXPR getWaterLevel() [L691] tmp = getWaterLevel() [L693] COND TRUE tmp != 2 [L695] CALL, EXPR isPumpRunning() [L917] int retValue_acc ; [L920] retValue_acc = pumpRunning [L921] RET return (retValue_acc); [L695] EXPR isPumpRunning() [L695] tmp___0 = isPumpRunning() [L697] COND FALSE, RET !(\read(tmp___0)) [L807] RET __utac_acc__Specification5_spec__3() [L768] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...