./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product39_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_274ce6f7-457c-4386-8174-071517f0825c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_274ce6f7-457c-4386-8174-071517f0825c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_274ce6f7-457c-4386-8174-071517f0825c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_274ce6f7-457c-4386-8174-071517f0825c/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product39_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_274ce6f7-457c-4386-8174-071517f0825c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_274ce6f7-457c-4386-8174-071517f0825c/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 fda6d17e7962e4df44156ef592d697d85d9dd989 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:01:59,788 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:01:59,789 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:01:59,796 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:01:59,796 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:01:59,796 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:01:59,797 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:01:59,798 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:01:59,799 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:01:59,800 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:01:59,801 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:01:59,801 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:01:59,801 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:01:59,802 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:01:59,803 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:01:59,804 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:01:59,804 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:01:59,805 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:01:59,807 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:01:59,808 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:01:59,809 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:01:59,810 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:01:59,812 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:01:59,812 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:01:59,812 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:01:59,813 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:01:59,813 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:01:59,814 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:01:59,814 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:01:59,817 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:01:59,817 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:01:59,818 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:01:59,818 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:01:59,818 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:01:59,819 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:01:59,819 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:01:59,819 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_274ce6f7-457c-4386-8174-071517f0825c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 11:01:59,831 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:01:59,831 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:01:59,832 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:01:59,832 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:01:59,832 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:01:59,832 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:01:59,832 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:01:59,832 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:01:59,832 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:01:59,832 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:01:59,833 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:01:59,833 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:01:59,833 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:01:59,833 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:01:59,833 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:01:59,833 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:01:59,833 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:01:59,833 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:01:59,833 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:01:59,834 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:01:59,834 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:01:59,834 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:01:59,834 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:01:59,834 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:01:59,834 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:01:59,834 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:01:59,834 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:01:59,834 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:01:59,834 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:01:59,834 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:01:59,835 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:01:59,835 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:01:59,835 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_274ce6f7-457c-4386-8174-071517f0825c/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 -> fda6d17e7962e4df44156ef592d697d85d9dd989 [2018-11-18 11:01:59,858 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:01:59,866 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:01:59,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:01:59,869 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:01:59,869 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:01:59,869 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_274ce6f7-457c-4386-8174-071517f0825c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product39_false-unreach-call_false-termination.cil.c [2018-11-18 11:01:59,904 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_274ce6f7-457c-4386-8174-071517f0825c/bin-2019/uautomizer/data/163867389/b5e548bf99914bf598ded72128cec916/FLAG7017a6c9a [2018-11-18 11:02:00,341 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:02:00,341 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_274ce6f7-457c-4386-8174-071517f0825c/sv-benchmarks/c/product-lines/minepump_spec3_product39_false-unreach-call_false-termination.cil.c [2018-11-18 11:02:00,348 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_274ce6f7-457c-4386-8174-071517f0825c/bin-2019/uautomizer/data/163867389/b5e548bf99914bf598ded72128cec916/FLAG7017a6c9a [2018-11-18 11:02:00,357 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_274ce6f7-457c-4386-8174-071517f0825c/bin-2019/uautomizer/data/163867389/b5e548bf99914bf598ded72128cec916 [2018-11-18 11:02:00,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:02:00,360 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:02:00,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:02:00,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:02:00,363 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:02:00,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:02:00" (1/1) ... [2018-11-18 11:02:00,365 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 11:02:00, skipping insertion in model container [2018-11-18 11:02:00,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:02:00" (1/1) ... [2018-11-18 11:02:00,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:02:00,398 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:02:00,584 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:02:00,593 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:02:00,694 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:02:00,713 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:02:00,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:02:00 WrapperNode [2018-11-18 11:02:00,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:02:00,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:02:00,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:02:00,714 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:02:00,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:02:00" (1/1) ... [2018-11-18 11:02:00,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:02:00" (1/1) ... [2018-11-18 11:02:00,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:02:00,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:02:00,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:02:00,751 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:02:00,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:02:00" (1/1) ... [2018-11-18 11:02:00,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:02:00" (1/1) ... [2018-11-18 11:02:00,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:02:00" (1/1) ... [2018-11-18 11:02:00,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:02:00" (1/1) ... [2018-11-18 11:02:00,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:02:00" (1/1) ... [2018-11-18 11:02:00,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:02:00" (1/1) ... [2018-11-18 11:02:00,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:02:00" (1/1) ... [2018-11-18 11:02:00,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:02:00,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:02:00,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:02:00,780 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:02:00,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:02:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_274ce6f7-457c-4386-8174-071517f0825c/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 11:02:00,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:02:00,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:02:00,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:02:01,485 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:02:01,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:02:01 BoogieIcfgContainer [2018-11-18 11:02:01,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:02:01,487 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:02:01,487 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:02:01,490 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:02:01,490 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:02:01,490 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:02:00" (1/3) ... [2018-11-18 11:02:01,492 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f2d21ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:02:01, skipping insertion in model container [2018-11-18 11:02:01,492 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:02:01,492 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:02:00" (2/3) ... [2018-11-18 11:02:01,492 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f2d21ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:02:01, skipping insertion in model container [2018-11-18 11:02:01,492 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:02:01,492 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:02:01" (3/3) ... [2018-11-18 11:02:01,493 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product39_false-unreach-call_false-termination.cil.c [2018-11-18 11:02:01,528 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:02:01,528 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:02:01,529 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:02:01,529 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:02:01,529 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:02:01,529 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:02:01,529 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:02:01,529 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:02:01,529 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:02:01,542 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 168 states. [2018-11-18 11:02:01,562 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2018-11-18 11:02:01,562 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:02:01,562 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:02:01,567 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:02:01,567 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:02:01,567 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:02:01,567 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 168 states. [2018-11-18 11:02:01,573 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2018-11-18 11:02:01,573 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:02:01,573 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:02:01,574 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:02:01,574 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:02:01,579 INFO L794 eck$LassoCheckResult]: Stem: 120#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 44];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 80];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 117];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 109];#memory_int := #memory_int[#t~string21.base,4 + #t~string21.offset := 112];#memory_int := #memory_int[#t~string21.base,5 + #t~string21.offset := 58];#memory_int := #memory_int[#t~string21.base,6 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 41];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 32];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 10];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 14#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 17#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 82#L58true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 13#L73true main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; 29#L904true assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 97#L881true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 152#L390-3true [2018-11-18 11:02:01,579 INFO L796 eck$LassoCheckResult]: Loop: 152#L390-3true assume true; 169#L390-1true assume !false; 95#L391true assume test_~splverifierCounter~0 < 4; 30#L392true test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; 54#L400true assume !(0 != test_~tmp~3); 41#L400-2true test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; 124#L410true assume !(0 != test_~tmp___0~1); 109#L410-2true test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 3#L420true assume 0 != test_~tmp___2~0; 137#L426-2true assume { :begin_inline_timeShift } true; 94#L193true assume !(0 != ~pumpRunning~0); 90#L193-2true assume !(0 != ~systemActive~0); 156#L200-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 25#L128-1true __utac_acc__Specification3_spec__1_#t~ret71 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 160#L927true assume 0 != __utac_acc__Specification3_spec__1_~tmp~8; 105#L933-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 47#L210true assume { :end_inline_timeShift } true; 152#L390-3true [2018-11-18 11:02:01,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:02:01,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 11:02:01,586 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:02:01,587 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:02:01,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:01,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:02:01,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:02:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:02:01,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:02:01,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1463044283, now seen corresponding path program 1 times [2018-11-18 11:02:01,738 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:02:01,738 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:02:01,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:01,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:02:01,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:02:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:02:01,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:02:01,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1900241409, now seen corresponding path program 1 times [2018-11-18 11:02:01,751 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:02:01,751 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:02:01,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:01,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:02:01,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:02:01,872 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 11:02:01,874 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:02:01,874 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:02:01,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:02:01,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:02:01,944 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 6 states. [2018-11-18 11:02:02,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:02:02,125 INFO L93 Difference]: Finished difference Result 395 states and 518 transitions. [2018-11-18 11:02:02,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:02:02,127 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 395 states and 518 transitions. [2018-11-18 11:02:02,133 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 257 [2018-11-18 11:02:02,139 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 395 states to 365 states and 488 transitions. [2018-11-18 11:02:02,140 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 365 [2018-11-18 11:02:02,142 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 365 [2018-11-18 11:02:02,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 365 states and 488 transitions. [2018-11-18 11:02:02,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:02:02,144 INFO L705 BuchiCegarLoop]: Abstraction has 365 states and 488 transitions. [2018-11-18 11:02:02,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states and 488 transitions. [2018-11-18 11:02:02,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 215. [2018-11-18 11:02:02,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-11-18 11:02:02,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 287 transitions. [2018-11-18 11:02:02,179 INFO L728 BuchiCegarLoop]: Abstraction has 215 states and 287 transitions. [2018-11-18 11:02:02,180 INFO L608 BuchiCegarLoop]: Abstraction has 215 states and 287 transitions. [2018-11-18 11:02:02,180 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:02:02,180 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 215 states and 287 transitions. [2018-11-18 11:02:02,182 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 152 [2018-11-18 11:02:02,182 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:02:02,182 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:02:02,183 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:02:02,183 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] [2018-11-18 11:02:02,183 INFO L794 eck$LassoCheckResult]: Stem: 727#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 44];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 80];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 117];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 109];#memory_int := #memory_int[#t~string21.base,4 + #t~string21.offset := 112];#memory_int := #memory_int[#t~string21.base,5 + #t~string21.offset := 58];#memory_int := #memory_int[#t~string21.base,6 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 41];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 32];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 10];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 604#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 605#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 610#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 602#L73 main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; 603#L904 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 630#L881 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 656#L390-3 [2018-11-18 11:02:02,183 INFO L796 eck$LassoCheckResult]: Loop: 656#L390-3 assume true; 736#L390-1 assume !false; 713#L391 assume test_~splverifierCounter~0 < 4; 631#L392 test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; 632#L400 assume !(0 != test_~tmp~3); 616#L400-2 test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; 646#L410 assume !(0 != test_~tmp___0~1); 722#L410-2 test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 581#L420 assume 0 != test_~tmp___2~0; 582#L426-2 assume { :begin_inline_timeShift } true; 712#L193 assume !(0 != ~pumpRunning~0); 706#L193-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 672#L251 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 673#L225-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 733#L217-3 assume { :end_inline_processEnvironment__wrappee__base } true; 732#L225-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 593#L251-1 assume { :end_inline_processEnvironment } true; 666#L200-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 623#L128-1 __utac_acc__Specification3_spec__1_#t~ret71 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 624#L927 assume 0 != __utac_acc__Specification3_spec__1_~tmp~8; 626#L933-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 655#L210 assume { :end_inline_timeShift } true; 656#L390-3 [2018-11-18 11:02:02,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:02:02,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 11:02:02,184 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:02:02,184 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:02:02,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:02,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:02:02,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:02:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:02:02,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:02:02,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1401512306, now seen corresponding path program 1 times [2018-11-18 11:02:02,223 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:02:02,223 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:02:02,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:02,224 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:02:02,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:02:02,253 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 11:02:02,254 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:02:02,254 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:02:02,254 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 11:02:02,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:02:02,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:02:02,255 INFO L87 Difference]: Start difference. First operand 215 states and 287 transitions. cyclomatic complexity: 75 Second operand 3 states. [2018-11-18 11:02:02,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:02:02,320 INFO L93 Difference]: Finished difference Result 273 states and 349 transitions. [2018-11-18 11:02:02,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:02:02,321 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 273 states and 349 transitions. [2018-11-18 11:02:02,324 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 197 [2018-11-18 11:02:02,326 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 273 states to 273 states and 349 transitions. [2018-11-18 11:02:02,326 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 273 [2018-11-18 11:02:02,326 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 273 [2018-11-18 11:02:02,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 273 states and 349 transitions. [2018-11-18 11:02:02,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:02:02,328 INFO L705 BuchiCegarLoop]: Abstraction has 273 states and 349 transitions. [2018-11-18 11:02:02,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states and 349 transitions. [2018-11-18 11:02:02,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2018-11-18 11:02:02,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2018-11-18 11:02:02,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 349 transitions. [2018-11-18 11:02:02,337 INFO L728 BuchiCegarLoop]: Abstraction has 273 states and 349 transitions. [2018-11-18 11:02:02,337 INFO L608 BuchiCegarLoop]: Abstraction has 273 states and 349 transitions. [2018-11-18 11:02:02,338 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 11:02:02,338 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 273 states and 349 transitions. [2018-11-18 11:02:02,339 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 197 [2018-11-18 11:02:02,340 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:02:02,340 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:02:02,340 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:02:02,340 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] [2018-11-18 11:02:02,341 INFO L794 eck$LassoCheckResult]: Stem: 1229#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 44];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 80];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 117];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 109];#memory_int := #memory_int[#t~string21.base,4 + #t~string21.offset := 112];#memory_int := #memory_int[#t~string21.base,5 + #t~string21.offset := 58];#memory_int := #memory_int[#t~string21.base,6 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 41];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 32];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 10];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1100#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 1101#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1104#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 1096#L73 main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; 1097#L904 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 1124#L881 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1150#L390-3 [2018-11-18 11:02:02,341 INFO L796 eck$LassoCheckResult]: Loop: 1150#L390-3 assume true; 1240#L390-1 assume !false; 1210#L391 assume test_~splverifierCounter~0 < 4; 1125#L392 test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; 1126#L400 assume !(0 != test_~tmp~3); 1110#L400-2 test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; 1140#L410 assume !(0 != test_~tmp___0~1); 1224#L410-2 test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 1075#L420 assume 0 != test_~tmp___2~0; 1076#L426-2 assume { :begin_inline_timeShift } true; 1209#L193 assume !(0 != ~pumpRunning~0); 1201#L193-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 1163#L251 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 1164#L225-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret30, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~4;havoc isHighWaterSensorDry_~retValue_acc~4; 1195#L168-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~4 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~4; 1196#L173-1 isHighWaterLevel_#t~ret30 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret30;havoc isHighWaterLevel_#t~ret30; 1152#L353-3 assume 0 != isHighWaterLevel_~tmp~2;isHighWaterLevel_~tmp___0~0 := 0; 1153#L353-5 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 1131#L359-1 processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; 1132#L229-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1184#L217-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1234#L225-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1085#L251-1 assume { :end_inline_processEnvironment } true; 1160#L200-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 1335#L128-1 __utac_acc__Specification3_spec__1_#t~ret71 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 1331#L927 assume 0 != __utac_acc__Specification3_spec__1_~tmp~8; 1329#L933-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1149#L210 assume { :end_inline_timeShift } true; 1150#L390-3 [2018-11-18 11:02:02,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:02:02,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 11:02:02,342 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:02:02,342 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:02:02,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:02,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:02:02,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:02:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:02:02,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:02:02,373 INFO L82 PathProgramCache]: Analyzing trace with hash -551491062, now seen corresponding path program 1 times [2018-11-18 11:02:02,373 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:02:02,374 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:02:02,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:02,374 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:02:02,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:02:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:02:02,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:02:02,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1802473010, now seen corresponding path program 1 times [2018-11-18 11:02:02,383 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:02:02,383 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:02:02,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:02,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:02:02,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:02:02,453 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 11:02:02,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:02:02,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:02:02,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:02:02,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:02:02,556 INFO L87 Difference]: Start difference. First operand 273 states and 349 transitions. cyclomatic complexity: 79 Second operand 5 states. [2018-11-18 11:02:02,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:02:02,642 INFO L93 Difference]: Finished difference Result 935 states and 1187 transitions. [2018-11-18 11:02:02,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:02:02,643 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 935 states and 1187 transitions. [2018-11-18 11:02:02,647 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 710 [2018-11-18 11:02:02,650 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 935 states to 935 states and 1187 transitions. [2018-11-18 11:02:02,650 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 935 [2018-11-18 11:02:02,651 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 935 [2018-11-18 11:02:02,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 935 states and 1187 transitions. [2018-11-18 11:02:02,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:02:02,654 INFO L705 BuchiCegarLoop]: Abstraction has 935 states and 1187 transitions. [2018-11-18 11:02:02,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states and 1187 transitions. [2018-11-18 11:02:02,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 539. [2018-11-18 11:02:02,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-11-18 11:02:02,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 679 transitions. [2018-11-18 11:02:02,670 INFO L728 BuchiCegarLoop]: Abstraction has 539 states and 679 transitions. [2018-11-18 11:02:02,670 INFO L608 BuchiCegarLoop]: Abstraction has 539 states and 679 transitions. [2018-11-18 11:02:02,670 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 11:02:02,670 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 539 states and 679 transitions. [2018-11-18 11:02:02,672 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 394 [2018-11-18 11:02:02,672 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:02:02,673 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:02:02,673 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:02:02,673 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:02:02,673 INFO L794 eck$LassoCheckResult]: Stem: 2466#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 44];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 80];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 117];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 109];#memory_int := #memory_int[#t~string21.base,4 + #t~string21.offset := 112];#memory_int := #memory_int[#t~string21.base,5 + #t~string21.offset := 58];#memory_int := #memory_int[#t~string21.base,6 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 41];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 32];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 10];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 2326#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 2327#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2330#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 2322#L73 main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; 2323#L904 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 2351#L881 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2445#L390-3 [2018-11-18 11:02:02,674 INFO L796 eck$LassoCheckResult]: Loop: 2445#L390-3 assume true; 2691#L390-1 assume !false; 2686#L391 assume test_~splverifierCounter~0 < 4; 2352#L392 test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; 2353#L400 assume !(0 != test_~tmp~3); 2369#L400-2 test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; 2370#L410 assume !(0 != test_~tmp___0~1); 2458#L410-2 test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 2301#L420 assume 0 != test_~tmp___2~0; 2302#L426-2 assume { :begin_inline_timeShift } true; 2441#L193 assume !(0 != ~pumpRunning~0); 2433#L193-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 2395#L251 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 2396#L225-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret30, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~4;havoc isHighWaterSensorDry_~retValue_acc~4; 2428#L168-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~4 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~4; 2429#L173-1 isHighWaterLevel_#t~ret30 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret30;havoc isHighWaterLevel_#t~ret30; 2382#L353-3 assume 0 != isHighWaterLevel_~tmp~2;isHighWaterLevel_~tmp___0~0 := 0; 2383#L353-5 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 2360#L359-1 processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; 2361#L229-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 2417#L217-2 assume { :end_inline_processEnvironment__wrappee__base } true; 2475#L225-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2311#L251-1 assume { :end_inline_processEnvironment } true; 2392#L200-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 2733#L128-1 __utac_acc__Specification3_spec__1_#t~ret71 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 2732#L927 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~8);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 2731#L160 __utac_acc__Specification3_spec__1_#t~ret72 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret72;havoc __utac_acc__Specification3_spec__1_#t~ret72; 2729#L933 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2); 2727#L933-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 2726#L210 assume { :end_inline_timeShift } true; 2445#L390-3 [2018-11-18 11:02:02,674 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:02:02,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2018-11-18 11:02:02,674 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:02:02,674 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:02:02,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:02,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:02:02,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:02:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:02:02,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:02:02,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1700679523, now seen corresponding path program 1 times [2018-11-18 11:02:02,719 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:02:02,719 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:02:02,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:02,719 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:02:02,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:02:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:02:02,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:02:02,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1303488671, now seen corresponding path program 1 times [2018-11-18 11:02:02,728 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:02:02,728 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:02:02,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:02,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:02:02,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:02:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:02:02,870 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2018-11-18 11:02:38,195 WARN L180 SmtUtils]: Spent 35.26 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 11:02:57,120 WARN L180 SmtUtils]: Spent 18.92 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 11:02:57,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 11:02:57 BoogieIcfgContainer [2018-11-18 11:02:57,207 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 11:02:57,207 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:02:57,207 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:02:57,207 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:02:57,208 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:02:01" (3/4) ... [2018-11-18 11:02:57,210 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 11:02:57,258 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_274ce6f7-457c-4386-8174-071517f0825c/bin-2019/uautomizer/witness.graphml [2018-11-18 11:02:57,258 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:02:57,259 INFO L168 Benchmark]: Toolchain (without parser) took 56898.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -217.0 MB). Peak memory consumption was 265.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:02:57,259 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:02:57,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -166.5 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:02:57,260 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.81 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 11:02:57,260 INFO L168 Benchmark]: Boogie Preprocessor took 28.84 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 11:02:57,260 INFO L168 Benchmark]: RCFGBuilder took 705.94 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: 66.5 MB). Peak memory consumption was 66.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:02:57,261 INFO L168 Benchmark]: BuchiAutomizer took 55720.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 30.4 MB). Free memory was 1.0 GB in the beginning and 856.9 MB in the end (delta: 190.4 MB). Peak memory consumption was 227.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:02:57,261 INFO L168 Benchmark]: Witness Printer took 50.88 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.5 MB). Free memory was 856.9 MB in the beginning and 1.2 GB in the end (delta: -316.3 MB). Peak memory consumption was 578.7 kB. Max. memory is 11.5 GB. [2018-11-18 11:02:57,263 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -166.5 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.81 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 28.84 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 705.94 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: 66.5 MB). Peak memory consumption was 66.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 55720.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 30.4 MB). Free memory was 1.0 GB in the beginning and 856.9 MB in the end (delta: 190.4 MB). Peak memory consumption was 227.3 MB. Max. memory is 11.5 GB. * Witness Printer took 50.88 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.5 MB). Free memory was 856.9 MB in the beginning and 1.2 GB in the end (delta: -316.3 MB). Peak memory consumption was 578.7 kB. 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 6 locations. The remainder module has 539 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 55.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 55.1s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 546 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 539 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 746 SDtfs, 1761 SDslu, 2045 SDs, 0 SdLazy, 146 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 390]: 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 {"Pump(System:"=35, NULL=0, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, ")"=36, "__utac__get_this_arg"=22, "libacc.c"=0, "libacc.c"=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58f75e8d=0, "__utac__get_this_argtype"=15, "i > 0 && i <= this->argsCount"=20, methaneLevelCritical=0, "OK"=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3488fb96=0, tmp___0=0, tmp=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a4f9428=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@967a88b=0, "__utac__get_this_argtype"=0, "Env(Water:%i"=39, retValue_acc=0, tmp___1=0, "\n"=26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1614175d=0, "On"=29, ",Meth:"=0, "OK"=0, "CRIT"=0, tmp=0, "Env(Water:%i"=0, cleanupTimeShifts=4, "Off"=28, "i > 0 && i <= this->argsCount"=24, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f0ccc15=0, "On"=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11eb82f1=170, tmp___0=1, "Off"=0, "On"=0, ",Pump:"=0, ") "=0, "\n"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "__utac__get_this_arg"=18, \result=0, retValue_acc=0, ")"=0, "libacc.c"=0, "__utac__get_this_arg"=0, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, retValue_acc=1, retValue_acc=0, "i > 0 && i <= this->argsCount"=0, ",Meth:"=38, \result=1, head=0, pumpRunning=0, "libacc.c"=19, \result=0, ",Pump:"=31, retValue_acc=1, "Off"=0, "libacc.c"=11, "Pump(System:"=0, tmp=1, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50013ee=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2aeb3e5d=0, "__utac__get_this_argtype"=12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ff4c6c9=0, tmp=1, retValue_acc=1, tmp___2=170, tmp___0=0, splverifierCounter=0, \result=0, "CRIT"=8, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1091e972=0, tmp___1=0, head=0, "Off"=33, ") "=27, "i > 0 && i <= this->argsCount"=17, "libacc.c"=23, "i > 0 && i <= this->argsCount"=14} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 390]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L137] FCALL "Env(Water:%i" [L138] FCALL ",Meth:" [L142] FCALL "CRIT" [L146] FCALL "OK" [L150] FCALL ")" [L313] FCALL "Pump(System:" [L317] FCALL "On" [L321] FCALL "Off" [L325] FCALL ",Pump:" [L329] FCALL "On" [L333] FCALL "Off" [L337] FCALL ") " [L339] FCALL "\n" [L753] FCALL "i > 0 && i <= this->argsCount" [L753] FCALL "libacc.c" [L754] FCALL "__utac__get_this_arg" [L760] FCALL "i > 0 && i <= this->argsCount" [L760] FCALL "libacc.c" [L761] FCALL "__utac__get_this_arg" [L799] FCALL "i > 0 && i <= this->argsCount" [L799] FCALL "libacc.c" [L800] FCALL "__utac__get_this_argtype" [L806] FCALL "i > 0 && i <= this->argsCount" [L806] FCALL "libacc.c" [L807] FCALL "__utac__get_this_argtype" [L85] int waterLevel = 1; [L86] int methaneLevelCritical = 0; [L185] int pumpRunning = 0; [L186] int systemActive = 1; [L822] int cleanupTimeShifts = 4; [L625] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L895] int retValue_acc ; [L896] int tmp ; [L900] FCALL select_helpers() [L901] FCALL select_features() [L902] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L902] EXPR valid_product() [L902] tmp = valid_product() [L904] COND TRUE \read(tmp) [L906] FCALL setup() [L907] CALL runTest() [L889] CALL test() [L381] int splverifierCounter ; [L382] int tmp ; [L383] int tmp___0 ; [L384] int tmp___1 ; [L385] int tmp___2 ; [L388] splverifierCounter = 0 Loop: [L390] COND TRUE 1 [L392] COND TRUE splverifierCounter < 4 [L398] tmp = __VERIFIER_nondet_int() [L400] COND FALSE !(\read(tmp)) [L408] tmp___0 = __VERIFIER_nondet_int() [L410] COND FALSE !(\read(tmp___0)) [L418] tmp___2 = __VERIFIER_nondet_int() [L420] COND TRUE \read(tmp___2) [L435] CALL timeShift() [L193] COND FALSE !(\read(pumpRunning)) [L200] COND TRUE \read(systemActive) [L202] CALL processEnvironment() [L248] int tmp ; [L251] COND FALSE !(\read(pumpRunning)) [L266] CALL processEnvironment__wrappee__highWaterSensor() [L222] int tmp ; [L225] COND TRUE ! pumpRunning [L227] CALL, EXPR isHighWaterLevel() [L345] int retValue_acc ; [L346] int tmp ; [L347] int tmp___0 ; [L351] CALL, EXPR isHighWaterSensorDry() [L165] int retValue_acc ; [L168] COND TRUE waterLevel < 2 [L169] retValue_acc = 1 [L170] RET return (retValue_acc); [L351] EXPR isHighWaterSensorDry() [L351] tmp = isHighWaterSensorDry() [L353] COND TRUE \read(tmp) [L354] tmp___0 = 0 [L358] retValue_acc = tmp___0 [L359] RET return (retValue_acc); [L227] EXPR isHighWaterLevel() [L227] tmp = isHighWaterLevel() [L229] COND FALSE !(\read(tmp)) [L235] RET, FCALL processEnvironment__wrappee__base() [L266] RET processEnvironment__wrappee__highWaterSensor() [L202] processEnvironment() [L208] CALL __utac_acc__Specification3_spec__1() [L919] int tmp ; [L920] int tmp___0 ; [L921] int tmp___1 ; [L925] CALL, EXPR isMethaneLevelCritical() [L124] int retValue_acc ; [L127] retValue_acc = methaneLevelCritical [L128] RET return (retValue_acc); [L925] EXPR isMethaneLevelCritical() [L925] tmp = isMethaneLevelCritical() [L927] COND FALSE !(\read(tmp)) [L931] CALL, EXPR getWaterLevel() [L156] int retValue_acc ; [L159] retValue_acc = waterLevel [L160] RET return (retValue_acc); [L931] EXPR getWaterLevel() [L931] tmp___0 = getWaterLevel() [L933] COND FALSE, RET !(tmp___0 == 2) [L208] RET __utac_acc__Specification3_spec__1() [L435] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...