./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product50_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_919e03a7-89a8-43ef-bde1-7962a998eb83/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_919e03a7-89a8-43ef-bde1-7962a998eb83/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_919e03a7-89a8-43ef-bde1-7962a998eb83/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_919e03a7-89a8-43ef-bde1-7962a998eb83/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product50_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_919e03a7-89a8-43ef-bde1-7962a998eb83/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_919e03a7-89a8-43ef-bde1-7962a998eb83/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 63231100df91d767f63e82b83b0d6c2eaec3a983 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 12:34:09,347 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:34:09,348 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:34:09,354 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:34:09,354 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:34:09,355 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:34:09,356 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:34:09,357 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:34:09,358 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:34:09,359 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:34:09,359 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:34:09,360 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:34:09,360 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:34:09,361 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:34:09,361 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:34:09,362 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:34:09,362 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:34:09,363 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:34:09,365 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:34:09,366 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:34:09,366 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:34:09,367 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:34:09,369 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:34:09,369 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:34:09,369 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:34:09,370 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:34:09,370 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:34:09,370 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:34:09,371 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:34:09,371 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:34:09,372 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:34:09,372 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:34:09,372 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:34:09,372 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:34:09,372 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:34:09,373 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:34:09,373 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_919e03a7-89a8-43ef-bde1-7962a998eb83/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 12:34:09,383 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:34:09,384 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:34:09,385 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:34:09,385 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:34:09,385 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:34:09,385 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 12:34:09,385 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 12:34:09,385 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 12:34:09,385 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 12:34:09,386 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 12:34:09,386 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 12:34:09,386 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:34:09,386 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:34:09,386 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:34:09,386 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:34:09,386 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:34:09,386 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:34:09,387 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 12:34:09,387 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 12:34:09,387 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 12:34:09,387 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:34:09,387 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:34:09,387 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 12:34:09,387 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:34:09,388 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 12:34:09,388 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:34:09,388 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:34:09,388 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 12:34:09,388 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:34:09,388 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:34:09,388 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 12:34:09,389 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 12:34:09,389 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_919e03a7-89a8-43ef-bde1-7962a998eb83/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 -> 63231100df91d767f63e82b83b0d6c2eaec3a983 [2018-11-18 12:34:09,412 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:34:09,421 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:34:09,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:34:09,425 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:34:09,425 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:34:09,426 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_919e03a7-89a8-43ef-bde1-7962a998eb83/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product50_false-unreach-call_false-termination.cil.c [2018-11-18 12:34:09,469 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_919e03a7-89a8-43ef-bde1-7962a998eb83/bin-2019/uautomizer/data/18bd3b411/7ed8cf5ea25e437d8f9e34f52334bf9f/FLAGbb270cd53 [2018-11-18 12:34:09,911 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:34:09,911 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_919e03a7-89a8-43ef-bde1-7962a998eb83/sv-benchmarks/c/product-lines/minepump_spec1_product50_false-unreach-call_false-termination.cil.c [2018-11-18 12:34:09,918 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_919e03a7-89a8-43ef-bde1-7962a998eb83/bin-2019/uautomizer/data/18bd3b411/7ed8cf5ea25e437d8f9e34f52334bf9f/FLAGbb270cd53 [2018-11-18 12:34:09,930 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_919e03a7-89a8-43ef-bde1-7962a998eb83/bin-2019/uautomizer/data/18bd3b411/7ed8cf5ea25e437d8f9e34f52334bf9f [2018-11-18 12:34:09,933 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:34:09,934 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:34:09,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:34:09,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:34:09,938 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:34:09,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:34:09" (1/1) ... [2018-11-18 12:34:09,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:09, skipping insertion in model container [2018-11-18 12:34:09,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:34:09" (1/1) ... [2018-11-18 12:34:09,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:34:09,983 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:34:10,184 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:34:10,193 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:34:10,296 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:34:10,312 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:34:10,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:10 WrapperNode [2018-11-18 12:34:10,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:34:10,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:34:10,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:34:10,314 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:34:10,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:10" (1/1) ... [2018-11-18 12:34:10,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:10" (1/1) ... [2018-11-18 12:34:10,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:34:10,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:34:10,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:34:10,362 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:34:10,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:10" (1/1) ... [2018-11-18 12:34:10,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:10" (1/1) ... [2018-11-18 12:34:10,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:10" (1/1) ... [2018-11-18 12:34:10,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:10" (1/1) ... [2018-11-18 12:34:10,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:10" (1/1) ... [2018-11-18 12:34:10,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:10" (1/1) ... [2018-11-18 12:34:10,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:10" (1/1) ... [2018-11-18 12:34:10,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:34:10,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:34:10,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:34:10,393 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:34:10,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_919e03a7-89a8-43ef-bde1-7962a998eb83/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 12:34:10,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:34:10,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:34:10,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:34:11,012 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:34:11,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:34:11 BoogieIcfgContainer [2018-11-18 12:34:11,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:34:11,013 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 12:34:11,013 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 12:34:11,015 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 12:34:11,016 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:34:11,016 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 12:34:09" (1/3) ... [2018-11-18 12:34:11,017 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@153ff269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:34:11, skipping insertion in model container [2018-11-18 12:34:11,017 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:34:11,017 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:10" (2/3) ... [2018-11-18 12:34:11,017 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@153ff269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:34:11, skipping insertion in model container [2018-11-18 12:34:11,017 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:34:11,018 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:34:11" (3/3) ... [2018-11-18 12:34:11,019 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product50_false-unreach-call_false-termination.cil.c [2018-11-18 12:34:11,051 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:34:11,051 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 12:34:11,052 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 12:34:11,052 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 12:34:11,052 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:34:11,052 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:34:11,052 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 12:34:11,052 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:34:11,052 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 12:34:11,064 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 165 states. [2018-11-18 12:34:11,082 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2018-11-18 12:34:11,082 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:34:11,082 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:34:11,087 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:34:11,087 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:34:11,087 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 12:34:11,087 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 165 states. [2018-11-18 12:34:11,091 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2018-11-18 12:34:11,091 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:34:11,091 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:34:11,092 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:34:11,092 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:34:11,096 INFO L794 eck$LassoCheckResult]: Stem: 121#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~string22.base, #t~string22.offset := #Ultimate.alloc(13);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 79];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 110];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,3 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 44];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 80];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 117];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 109];#memory_int := #memory_int[#t~string28.base,4 + #t~string28.offset := 112];#memory_int := #memory_int[#t~string28.base,5 + #t~string28.offset := 58];#memory_int := #memory_int[#t~string28.base,6 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 79];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 110];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 79];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 102];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 102];#memory_int := #memory_int[#t~string32.base,3 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 41];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 32];#memory_int := #memory_int[#t~string34.base,2 + #t~string34.offset := 0];call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string36.base,#t~string36.offset := 10];#memory_int := #memory_int[#t~string36.base,1 + #t~string36.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 20#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret12, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 93#L303true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 15#L296true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 120#L311true main_#t~ret12 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret12;havoc main_#t~ret12; 122#L267true assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 62#L240true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 124#L327-3true [2018-11-18 12:34:11,096 INFO L796 eck$LassoCheckResult]: Loop: 124#L327-3true assume true; 148#L327-1true assume !false; 80#L328true assume test_~splverifierCounter~0 < 4; 23#L329true test_~tmp~2 := test_#t~nondet14;havoc test_#t~nondet14; 41#L337true assume !(0 != test_~tmp~2); 42#L337-2true test_~tmp___0~1 := test_#t~nondet15;havoc test_#t~nondet15; 112#L347true assume !(0 != test_~tmp___0~1); 94#L347-2true test_~tmp___2~0 := test_#t~nondet16;havoc test_#t~nondet16; 166#L357true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 21#L596true assume { :end_inline_startSystem } true; 17#L365-2true assume { :begin_inline_timeShift } true; 109#L402true assume !(0 != ~pumpRunning~0); 114#L402-2true assume !(0 != ~systemActive~0); 7#L409-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 87#L119true __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 18#L51true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 12#L51-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 63#L419true assume { :end_inline_timeShift } true; 124#L327-3true [2018-11-18 12:34:11,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:11,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 12:34:11,102 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:34:11,103 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:34:11,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:11,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:34:11,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:34:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:34:11,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:11,255 INFO L82 PathProgramCache]: Analyzing trace with hash -214396909, now seen corresponding path program 1 times [2018-11-18 12:34:11,255 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:34:11,256 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:34:11,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:11,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:34:11,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:11,299 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 12:34:11,301 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:34:11,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:34:11,304 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 12:34:11,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:34:11,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:34:11,316 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 3 states. [2018-11-18 12:34:11,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:34:11,347 INFO L93 Difference]: Finished difference Result 162 states and 212 transitions. [2018-11-18 12:34:11,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:34:11,350 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 212 transitions. [2018-11-18 12:34:11,354 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2018-11-18 12:34:11,359 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 152 states and 201 transitions. [2018-11-18 12:34:11,360 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 152 [2018-11-18 12:34:11,361 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 152 [2018-11-18 12:34:11,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 152 states and 201 transitions. [2018-11-18 12:34:11,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:34:11,362 INFO L705 BuchiCegarLoop]: Abstraction has 152 states and 201 transitions. [2018-11-18 12:34:11,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states and 201 transitions. [2018-11-18 12:34:11,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-11-18 12:34:11,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-11-18 12:34:11,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 201 transitions. [2018-11-18 12:34:11,393 INFO L728 BuchiCegarLoop]: Abstraction has 152 states and 201 transitions. [2018-11-18 12:34:11,393 INFO L608 BuchiCegarLoop]: Abstraction has 152 states and 201 transitions. [2018-11-18 12:34:11,393 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 12:34:11,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 152 states and 201 transitions. [2018-11-18 12:34:11,395 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2018-11-18 12:34:11,395 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:34:11,395 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:34:11,395 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:34:11,396 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:34:11,396 INFO L794 eck$LassoCheckResult]: Stem: 469#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~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~string22.base, #t~string22.offset := #Ultimate.alloc(13);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 79];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 110];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,3 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 44];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 80];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 117];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 109];#memory_int := #memory_int[#t~string28.base,4 + #t~string28.offset := 112];#memory_int := #memory_int[#t~string28.base,5 + #t~string28.offset := 58];#memory_int := #memory_int[#t~string28.base,6 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 79];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 110];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 79];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 102];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 102];#memory_int := #memory_int[#t~string32.base,3 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 41];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 32];#memory_int := #memory_int[#t~string34.base,2 + #t~string34.offset := 0];call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string36.base,#t~string36.offset := 10];#memory_int := #memory_int[#t~string36.base,1 + #t~string36.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 374#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret12, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 375#L303 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 362#L296 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 363#L311 main_#t~ret12 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret12;havoc main_#t~ret12; 468#L267 assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 428#L240 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 427#L327-3 [2018-11-18 12:34:11,396 INFO L796 eck$LassoCheckResult]: Loop: 427#L327-3 assume true; 470#L327-1 assume !false; 443#L328 assume test_~splverifierCounter~0 < 4; 377#L329 test_~tmp~2 := test_#t~nondet14;havoc test_#t~nondet14; 378#L337 assume !(0 != test_~tmp~2); 409#L337-2 test_~tmp___0~1 := test_#t~nondet15;havoc test_#t~nondet15; 410#L347 assume !(0 != test_~tmp___0~1); 365#L347-2 test_~tmp___2~0 := test_#t~nondet16;havoc test_#t~nondet16; 453#L357 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 376#L596 assume { :end_inline_startSystem } true; 348#L365-2 assume { :begin_inline_timeShift } true; 366#L402 assume !(0 != ~pumpRunning~0); 465#L402-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret19, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 461#L460 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret18, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 462#L434-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 483#L426-3 assume { :end_inline_processEnvironment__wrappee__base } true; 393#L434-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 397#L460-1 assume { :end_inline_processEnvironment } true; 345#L409-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 346#L119 __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 367#L51 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 356#L51-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 357#L419 assume { :end_inline_timeShift } true; 427#L327-3 [2018-11-18 12:34:11,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:11,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 12:34:11,397 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:34:11,397 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:34:11,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:11,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:34:11,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:34:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:34:11,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:11,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1618551095, now seen corresponding path program 1 times [2018-11-18 12:34:11,449 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:34:11,449 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:34:11,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:11,450 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:34:11,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:11,475 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 12:34:11,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:34:11,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:34:11,476 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 12:34:11,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:34:11,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:34:11,476 INFO L87 Difference]: Start difference. First operand 152 states and 201 transitions. cyclomatic complexity: 51 Second operand 3 states. [2018-11-18 12:34:11,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:34:11,561 INFO L93 Difference]: Finished difference Result 210 states and 266 transitions. [2018-11-18 12:34:11,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:34:11,562 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 210 states and 266 transitions. [2018-11-18 12:34:11,563 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 148 [2018-11-18 12:34:11,565 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 210 states to 210 states and 266 transitions. [2018-11-18 12:34:11,565 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 210 [2018-11-18 12:34:11,565 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 210 [2018-11-18 12:34:11,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 210 states and 266 transitions. [2018-11-18 12:34:11,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:34:11,567 INFO L705 BuchiCegarLoop]: Abstraction has 210 states and 266 transitions. [2018-11-18 12:34:11,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states and 266 transitions. [2018-11-18 12:34:11,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2018-11-18 12:34:11,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-11-18 12:34:11,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 266 transitions. [2018-11-18 12:34:11,575 INFO L728 BuchiCegarLoop]: Abstraction has 210 states and 266 transitions. [2018-11-18 12:34:11,575 INFO L608 BuchiCegarLoop]: Abstraction has 210 states and 266 transitions. [2018-11-18 12:34:11,575 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 12:34:11,575 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 210 states and 266 transitions. [2018-11-18 12:34:11,577 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 148 [2018-11-18 12:34:11,577 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:34:11,577 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:34:11,578 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:34:11,578 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:34:11,578 INFO L794 eck$LassoCheckResult]: Stem: 837#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~string22.base, #t~string22.offset := #Ultimate.alloc(13);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 79];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 110];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,3 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 44];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 80];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 117];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 109];#memory_int := #memory_int[#t~string28.base,4 + #t~string28.offset := 112];#memory_int := #memory_int[#t~string28.base,5 + #t~string28.offset := 58];#memory_int := #memory_int[#t~string28.base,6 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 79];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 110];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 79];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 102];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 102];#memory_int := #memory_int[#t~string32.base,3 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 41];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 32];#memory_int := #memory_int[#t~string34.base,2 + #t~string34.offset := 0];call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string36.base,#t~string36.offset := 10];#memory_int := #memory_int[#t~string36.base,1 + #t~string36.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 743#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret12, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 744#L303 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 733#L296 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 734#L311 main_#t~ret12 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret12;havoc main_#t~ret12; 836#L267 assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 796#L240 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 795#L327-3 [2018-11-18 12:34:11,579 INFO L796 eck$LassoCheckResult]: Loop: 795#L327-3 assume true; 839#L327-1 assume !false; 813#L328 assume test_~splverifierCounter~0 < 4; 745#L329 test_~tmp~2 := test_#t~nondet14;havoc test_#t~nondet14; 746#L337 assume !(0 != test_~tmp~2); 777#L337-2 test_~tmp___0~1 := test_#t~nondet15;havoc test_#t~nondet15; 778#L347 assume !(0 != test_~tmp___0~1); 731#L347-2 test_~tmp___2~0 := test_#t~nondet16;havoc test_#t~nondet16; 824#L357 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 740#L596 assume { :end_inline_startSystem } true; 716#L365-2 assume { :begin_inline_timeShift } true; 732#L402 assume !(0 != ~pumpRunning~0); 835#L402-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret19, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 829#L460 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret18, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 830#L434-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret37, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 852#L159-1 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 755#L164-1 isHighWaterLevel_#t~ret37 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret37;havoc isHighWaterLevel_#t~ret37; 756#L562-3 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~2 := 0; 798#L562-5 isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; 783#L568-1 processEnvironment__wrappee__highWaterSensor_#t~ret18 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret18;havoc processEnvironment__wrappee__highWaterSensor_#t~ret18; 784#L438-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3);assume { :begin_inline_processEnvironment__wrappee__base } true; 810#L426-2 assume { :end_inline_processEnvironment__wrappee__base } true; 856#L434-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 765#L460-1 assume { :end_inline_processEnvironment } true; 713#L409-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 714#L119 __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 735#L51 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 724#L51-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 725#L419 assume { :end_inline_timeShift } true; 795#L327-3 [2018-11-18 12:34:11,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:11,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 12:34:11,579 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:34:11,579 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:34:11,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:11,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:34:11,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:34:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:34:11,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:11,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1508131059, now seen corresponding path program 1 times [2018-11-18 12:34:11,628 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:34:11,628 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:34:11,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:11,630 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:34:11,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:11,671 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 12:34:11,671 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:34:11,671 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:34:11,672 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 12:34:11,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:34:11,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:34:11,673 INFO L87 Difference]: Start difference. First operand 210 states and 266 transitions. cyclomatic complexity: 58 Second operand 4 states. [2018-11-18 12:34:11,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:34:11,756 INFO L93 Difference]: Finished difference Result 592 states and 736 transitions. [2018-11-18 12:34:11,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:34:11,757 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 592 states and 736 transitions. [2018-11-18 12:34:11,760 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 428 [2018-11-18 12:34:11,764 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 592 states to 592 states and 736 transitions. [2018-11-18 12:34:11,764 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 592 [2018-11-18 12:34:11,765 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 592 [2018-11-18 12:34:11,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 592 states and 736 transitions. [2018-11-18 12:34:11,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:34:11,767 INFO L705 BuchiCegarLoop]: Abstraction has 592 states and 736 transitions. [2018-11-18 12:34:11,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states and 736 transitions. [2018-11-18 12:34:11,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 222. [2018-11-18 12:34:11,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-11-18 12:34:11,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 278 transitions. [2018-11-18 12:34:11,781 INFO L728 BuchiCegarLoop]: Abstraction has 222 states and 278 transitions. [2018-11-18 12:34:11,781 INFO L608 BuchiCegarLoop]: Abstraction has 222 states and 278 transitions. [2018-11-18 12:34:11,781 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 12:34:11,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states and 278 transitions. [2018-11-18 12:34:11,782 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 156 [2018-11-18 12:34:11,782 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:34:11,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:34:11,783 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:34:11,783 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:34:11,783 INFO L794 eck$LassoCheckResult]: Stem: 1658#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~string22.base, #t~string22.offset := #Ultimate.alloc(13);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 79];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 110];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,3 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 44];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 80];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 117];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 109];#memory_int := #memory_int[#t~string28.base,4 + #t~string28.offset := 112];#memory_int := #memory_int[#t~string28.base,5 + #t~string28.offset := 58];#memory_int := #memory_int[#t~string28.base,6 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 79];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 110];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 79];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 102];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 102];#memory_int := #memory_int[#t~string32.base,3 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 41];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 32];#memory_int := #memory_int[#t~string34.base,2 + #t~string34.offset := 0];call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string36.base,#t~string36.offset := 10];#memory_int := #memory_int[#t~string36.base,1 + #t~string36.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1555#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret12, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 1556#L303 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1545#L296 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 1546#L311 main_#t~ret12 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret12;havoc main_#t~ret12; 1657#L267 assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 1612#L240 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1611#L327-3 [2018-11-18 12:34:11,784 INFO L796 eck$LassoCheckResult]: Loop: 1611#L327-3 assume true; 1659#L327-1 assume !false; 1627#L328 assume test_~splverifierCounter~0 < 4; 1628#L329 test_~tmp~2 := test_#t~nondet14;havoc test_#t~nondet14; 1711#L337 assume !(0 != test_~tmp~2); 1708#L337-2 test_~tmp___0~1 := test_#t~nondet15;havoc test_#t~nondet15; 1705#L347 assume !(0 != test_~tmp___0~1); 1641#L347-2 test_~tmp___2~0 := test_#t~nondet16;havoc test_#t~nondet16; 1642#L357 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1554#L596 assume { :end_inline_startSystem } true; 1528#L365-2 assume { :begin_inline_timeShift } true; 1544#L402 assume !(0 != ~pumpRunning~0); 1654#L402-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret19, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 1649#L460 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret18, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 1650#L434-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret37, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 1676#L159-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 1570#L164-1 isHighWaterLevel_#t~ret37 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret37;havoc isHighWaterLevel_#t~ret37; 1571#L562-3 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~2 := 0; 1614#L562-5 isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; 1596#L568-1 processEnvironment__wrappee__highWaterSensor_#t~ret18 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret18;havoc processEnvironment__wrappee__highWaterSensor_#t~ret18; 1597#L438-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3);assume { :begin_inline_processEnvironment__wrappee__base } true; 1624#L426-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1681#L434-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1577#L460-1 assume { :end_inline_processEnvironment } true; 1736#L409-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 1735#L119 __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 1733#L51 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 1731#L51-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1610#L419 assume { :end_inline_timeShift } true; 1611#L327-3 [2018-11-18 12:34:11,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:11,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2018-11-18 12:34:11,784 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:34:11,784 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:34:11,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:11,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:34:11,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:34:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:34:11,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:11,817 INFO L82 PathProgramCache]: Analyzing trace with hash -497013809, now seen corresponding path program 1 times [2018-11-18 12:34:11,817 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:34:11,817 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:34:11,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:11,818 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:34:11,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:34:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:34:11,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:11,828 INFO L82 PathProgramCache]: Analyzing trace with hash -622748533, now seen corresponding path program 1 times [2018-11-18 12:34:11,828 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:34:11,828 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:34:11,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:11,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:34:11,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:34:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:34:11,981 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2018-11-18 12:35:23,479 WARN L180 SmtUtils]: Spent 1.19 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 12:36:04,002 WARN L180 SmtUtils]: Spent 40.52 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 12:36:04,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 12:36:04 BoogieIcfgContainer [2018-11-18 12:36:04,084 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 12:36:04,084 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:36:04,084 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:36:04,084 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:36:04,085 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:34:11" (3/4) ... [2018-11-18 12:36:04,087 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 12:36:04,156 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_919e03a7-89a8-43ef-bde1-7962a998eb83/bin-2019/uautomizer/witness.graphml [2018-11-18 12:36:04,156 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:36:04,157 INFO L168 Benchmark]: Toolchain (without parser) took 114223.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 955.5 MB in the beginning and 904.3 MB in the end (delta: 51.2 MB). Peak memory consumption was 154.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:36:04,157 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:36:04,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -162.8 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:36:04,158 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.08 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:36:04,159 INFO L168 Benchmark]: Boogie Preprocessor took 31.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:36:04,159 INFO L168 Benchmark]: RCFGBuilder took 619.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:36:04,160 INFO L168 Benchmark]: BuchiAutomizer took 113071.11 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -23.6 MB). Free memory was 1.0 GB in the beginning and 908.5 MB in the end (delta: 125.6 MB). Peak memory consumption was 183.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:36:04,160 INFO L168 Benchmark]: Witness Printer took 72.16 ms. Allocated memory is still 1.1 GB. Free memory was 908.5 MB in the beginning and 904.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:36:04,163 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 378.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -162.8 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.08 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 619.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 113071.11 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -23.6 MB). Free memory was 1.0 GB in the beginning and 908.5 MB in the end (delta: 125.6 MB). Peak memory consumption was 183.1 MB. Max. memory is 11.5 GB. * Witness Printer took 72.16 ms. Allocated memory is still 1.1 GB. Free memory was 908.5 MB in the beginning and 904.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 222 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 113.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 112.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 370 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 222 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 769 SDtfs, 742 SDslu, 586 SDs, 0 SdLazy, 93 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI3 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 327]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, retValue_acc=0, "__utac__get_this_arg"=0, retValue_acc=0, "__utac__get_this_argtype"=38, "CRIT"=27, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, ")"=24, methaneLevelCritical=0, tmp___0=0, tmp=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48a2d18d=0, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, "__utac__get_this_argtype"=8, "libacc.c"=0, tmp___1=0, tmp___0=0, ",Pump:"=19, "\n"=15, tmp=0, cleanupTimeShifts=4, ") "=16, NULL=0, systemActive=1, waterLevel=1, "i > 0 && i <= this->argsCount"=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a81cd59=0, "Off"=0, "On"=0, "libacc.c"=14, \result=0, "i > 0 && i <= this->argsCount"=37, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, \result=1, head=0, pumpRunning=0, "i > 0 && i <= this->argsCount"=11, \result=0, "\n"=0, "i > 0 && i <= this->argsCount"=35, tmp=1, retValue_acc=1, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f9b75c3=0, ") "=0, tmp=0, \result=1, retValue_acc=1, "libacc.c"=34, "libacc.c"=29, "Pump(System:"=23, "__utac__get_this_argtype"=0, ",Meth:"=28, tmp___2=164, tmp=1, "On"=18, tmp___0=0, "Off"=20, splverifierCounter=0, "Env(Water:%i"=0, "__utac__get_this_arg"=0, "OK"=0, "CRIT"=0, ",Meth:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a769a8f=0, \result=0, "OK"=26, "libacc.c"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b277716=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c1765f2=164, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47671397=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3da61fb0=0, "__utac__get_this_arg"=31, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38e207b2=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71cca959=0, tmp=0, "Off"=0, ",Pump:"=0, "On"=22, "On"=0, "Off"=17, "Env(Water:%i"=12, "Pump(System:"=0, ")"=0, "__utac__get_this_arg"=36} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 327]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L128] FCALL "Env(Water:%i" [L129] FCALL ",Meth:" [L133] FCALL "CRIT" [L137] FCALL "OK" [L141] FCALL ")" [L522] FCALL "Pump(System:" [L526] FCALL "On" [L530] FCALL "Off" [L534] FCALL ",Pump:" [L538] FCALL "On" [L542] FCALL "Off" [L546] FCALL ") " [L548] FCALL "\n" [L897] FCALL "i > 0 && i <= this->argsCount" [L897] FCALL "libacc.c" [L898] FCALL "__utac__get_this_arg" [L904] FCALL "i > 0 && i <= this->argsCount" [L904] FCALL "libacc.c" [L905] FCALL "__utac__get_this_arg" [L943] FCALL "i > 0 && i <= this->argsCount" [L943] FCALL "libacc.c" [L944] FCALL "__utac__get_this_argtype" [L950] FCALL "i > 0 && i <= this->argsCount" [L950] FCALL "libacc.c" [L951] FCALL "__utac__get_this_argtype" [L76] int waterLevel = 1; [L77] int methaneLevelCritical = 0; [L179] int cleanupTimeShifts = 4; [L395] int pumpRunning = 0; [L396] int systemActive = 1; [L769] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L258] int retValue_acc ; [L259] int tmp ; [L263] FCALL select_helpers() [L264] FCALL select_features() [L265] CALL, EXPR valid_product() [L307] int retValue_acc ; [L310] retValue_acc = 1 [L311] RET return (retValue_acc); [L265] EXPR valid_product() [L265] tmp = valid_product() [L267] COND TRUE \read(tmp) [L269] FCALL setup() [L270] CALL runTest() [L249] CALL test() [L318] int splverifierCounter ; [L319] int tmp ; [L320] int tmp___0 ; [L321] int tmp___1 ; [L322] int tmp___2 ; [L325] splverifierCounter = 0 Loop: [L327] COND TRUE 1 [L329] COND TRUE splverifierCounter < 4 [L335] tmp = __VERIFIER_nondet_int() [L337] COND FALSE !(\read(tmp)) [L345] tmp___0 = __VERIFIER_nondet_int() [L347] COND FALSE !(\read(tmp___0)) [L355] tmp___2 = __VERIFIER_nondet_int() [L357] COND TRUE \read(tmp___2) [L359] CALL startSystem() [L595] RET systemActive = 1 [L359] startSystem() [L372] CALL timeShift() [L402] COND FALSE !(\read(pumpRunning)) [L409] COND TRUE \read(systemActive) [L411] CALL processEnvironment() [L457] int tmp ; [L460] COND FALSE !(\read(pumpRunning)) [L475] CALL processEnvironment__wrappee__highWaterSensor() [L431] int tmp ; [L434] COND TRUE ! pumpRunning [L436] CALL, EXPR isHighWaterLevel() [L554] int retValue_acc ; [L555] int tmp ; [L556] int tmp___0 ; [L560] CALL, EXPR isHighWaterSensorDry() [L156] int retValue_acc ; [L159] COND TRUE waterLevel < 2 [L160] retValue_acc = 1 [L161] RET return (retValue_acc); [L560] EXPR isHighWaterSensorDry() [L560] tmp = isHighWaterSensorDry() [L562] COND TRUE \read(tmp) [L563] tmp___0 = 0 [L567] retValue_acc = tmp___0 [L568] RET return (retValue_acc); [L436] EXPR isHighWaterLevel() [L436] tmp = isHighWaterLevel() [L438] COND FALSE !(\read(tmp)) [L444] RET, FCALL processEnvironment__wrappee__base() [L475] RET processEnvironment__wrappee__highWaterSensor() [L411] processEnvironment() [L417] CALL __utac_acc__Specification1_spec__1() [L44] int tmp ; [L45] int tmp___0 ; [L49] CALL, EXPR isMethaneLevelCritical() [L115] int retValue_acc ; [L118] retValue_acc = methaneLevelCritical [L119] RET return (retValue_acc); [L49] EXPR isMethaneLevelCritical() [L49] tmp = isMethaneLevelCritical() [L51] COND FALSE, RET !(\read(tmp)) [L417] RET __utac_acc__Specification1_spec__1() [L372] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...