./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product45_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3af9974a-ca05-4bcc-a517-a69ad25e3a54/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3af9974a-ca05-4bcc-a517-a69ad25e3a54/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3af9974a-ca05-4bcc-a517-a69ad25e3a54/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3af9974a-ca05-4bcc-a517-a69ad25e3a54/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product45_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3af9974a-ca05-4bcc-a517-a69ad25e3a54/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3af9974a-ca05-4bcc-a517-a69ad25e3a54/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 9b7549a4c392cf253bbff25b83e97c5c89bfd389 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:01:58,631 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:01:58,632 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:01:58,639 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:01:58,639 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:01:58,640 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:01:58,641 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:01:58,642 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:01:58,643 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:01:58,643 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:01:58,644 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:01:58,644 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:01:58,645 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:01:58,646 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:01:58,646 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:01:58,647 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:01:58,648 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:01:58,649 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:01:58,650 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:01:58,651 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:01:58,652 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:01:58,653 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:01:58,655 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:01:58,655 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:01:58,655 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:01:58,656 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:01:58,657 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:01:58,657 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:01:58,658 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:01:58,658 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:01:58,659 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:01:58,660 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:01:58,660 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:01:58,660 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:01:58,661 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:01:58,661 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:01:58,662 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3af9974a-ca05-4bcc-a517-a69ad25e3a54/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 09:01:58,673 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:01:58,673 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:01:58,674 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:01:58,674 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:01:58,674 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:01:58,674 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 09:01:58,674 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 09:01:58,675 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 09:01:58,675 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 09:01:58,675 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 09:01:58,675 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 09:01:58,675 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:01:58,675 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:01:58,675 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:01:58,676 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:01:58,676 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:01:58,676 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:01:58,676 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 09:01:58,676 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 09:01:58,676 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 09:01:58,676 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:01:58,676 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:01:58,676 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 09:01:58,677 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:01:58,677 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 09:01:58,677 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:01:58,677 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:01:58,677 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 09:01:58,677 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:01:58,677 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:01:58,678 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 09:01:58,678 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 09:01:58,678 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_3af9974a-ca05-4bcc-a517-a69ad25e3a54/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 -> 9b7549a4c392cf253bbff25b83e97c5c89bfd389 [2018-11-18 09:01:58,699 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:01:58,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:01:58,709 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:01:58,710 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:01:58,711 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:01:58,711 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3af9974a-ca05-4bcc-a517-a69ad25e3a54/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product45_true-unreach-call_false-termination.cil.c [2018-11-18 09:01:58,747 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3af9974a-ca05-4bcc-a517-a69ad25e3a54/bin-2019/uautomizer/data/96764b3d6/7d33ee9f146348b19e7f34c648cc5bfd/FLAG566f06e4e [2018-11-18 09:01:59,111 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:01:59,111 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3af9974a-ca05-4bcc-a517-a69ad25e3a54/sv-benchmarks/c/product-lines/minepump_spec2_product45_true-unreach-call_false-termination.cil.c [2018-11-18 09:01:59,119 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3af9974a-ca05-4bcc-a517-a69ad25e3a54/bin-2019/uautomizer/data/96764b3d6/7d33ee9f146348b19e7f34c648cc5bfd/FLAG566f06e4e [2018-11-18 09:01:59,131 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3af9974a-ca05-4bcc-a517-a69ad25e3a54/bin-2019/uautomizer/data/96764b3d6/7d33ee9f146348b19e7f34c648cc5bfd [2018-11-18 09:01:59,133 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:01:59,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:01:59,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:01:59,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:01:59,138 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:01:59,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:01:59" (1/1) ... [2018-11-18 09:01:59,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:59, skipping insertion in model container [2018-11-18 09:01:59,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:01:59" (1/1) ... [2018-11-18 09:01:59,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:01:59,183 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:01:59,405 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:01:59,414 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:01:59,520 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:01:59,539 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:01:59,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:59 WrapperNode [2018-11-18 09:01:59,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:01:59,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:01:59,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:01:59,540 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:01:59,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:59" (1/1) ... [2018-11-18 09:01:59,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:59" (1/1) ... [2018-11-18 09:01:59,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:01:59,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:01:59,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:01:59,591 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:01:59,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:59" (1/1) ... [2018-11-18 09:01:59,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:59" (1/1) ... [2018-11-18 09:01:59,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:59" (1/1) ... [2018-11-18 09:01:59,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:59" (1/1) ... [2018-11-18 09:01:59,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:59" (1/1) ... [2018-11-18 09:01:59,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:59" (1/1) ... [2018-11-18 09:01:59,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:59" (1/1) ... [2018-11-18 09:01:59,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:01:59,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:01:59,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:01:59,620 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:01:59,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3af9974a-ca05-4bcc-a517-a69ad25e3a54/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 09:01:59,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:01:59,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:01:59,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:02:00,290 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:02:00,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:02:00 BoogieIcfgContainer [2018-11-18 09:02:00,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:02:00,291 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 09:02:00,291 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 09:02:00,293 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 09:02:00,293 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:02:00,294 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:01:59" (1/3) ... [2018-11-18 09:02:00,294 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f06cd87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:02:00, skipping insertion in model container [2018-11-18 09:02:00,295 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:02:00,295 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:59" (2/3) ... [2018-11-18 09:02:00,295 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f06cd87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:02:00, skipping insertion in model container [2018-11-18 09:02:00,295 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:02:00,295 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:02:00" (3/3) ... [2018-11-18 09:02:00,296 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product45_true-unreach-call_false-termination.cil.c [2018-11-18 09:02:00,329 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:02:00,329 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 09:02:00,329 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 09:02:00,330 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 09:02:00,330 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:02:00,330 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:02:00,330 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 09:02:00,330 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:02:00,330 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 09:02:00,343 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states. [2018-11-18 09:02:00,365 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 120 [2018-11-18 09:02:00,365 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:02:00,365 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:02:00,372 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:02:00,372 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 09:02:00,372 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 09:02:00,372 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states. [2018-11-18 09:02:00,378 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 120 [2018-11-18 09:02:00,378 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:02:00,378 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:02:00,379 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:02:00,379 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 09:02:00,383 INFO L794 eck$LassoCheckResult]: Stem: 143#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(13);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 110];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 102];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 102];#memory_int := #memory_int[#t~string45.base,3 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 44];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 80];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 117];#memory_int := #memory_int[#t~string47.base,3 + #t~string47.offset := 109];#memory_int := #memory_int[#t~string47.base,4 + #t~string47.offset := 112];#memory_int := #memory_int[#t~string47.base,5 + #t~string47.offset := 58];#memory_int := #memory_int[#t~string47.base,6 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 79];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 110];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,3 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 41];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 32];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 10];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(13);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 44];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 77];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 101];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 116];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 104];#memory_int := #memory_int[#t~string64.base,5 + #t~string64.offset := 58];#memory_int := #memory_int[#t~string64.base,6 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 67];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 82];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 73];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 84];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 79];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 75];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 41];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 102#L906true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 4#L899true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 111#L914true main_#t~ret35 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 90#L507true assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 181#L478true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 110#L925true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 186#L734-3true [2018-11-18 09:02:00,383 INFO L796 eck$LassoCheckResult]: Loop: 186#L734-3true assume true; 183#L734-1true assume !false; 139#L735true assume test_~splverifierCounter~0 < 4; 47#L736true test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; 53#L744true assume !(0 != test_~tmp~8); 57#L744-2true test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; 147#L754true assume !(0 != test_~tmp___0~1); 152#L754-2true test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; 14#L764true assume 0 != test_~tmp___2~0; 179#L770-2true assume { :begin_inline_timeShift } true; 173#L536true assume !(0 != ~pumpRunning~0); 177#L536-2true assume !(0 != ~systemActive~0); 51#L543-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 182#L833-3true __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; 107#L936true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9);~methAndRunningLastTime~0 := 0; 112#L936-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 142#L553true assume { :end_inline_timeShift } true; 186#L734-3true [2018-11-18 09:02:00,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:00,389 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 09:02:00,390 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:00,391 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:00,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:00,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:00,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:00,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:00,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1131729851, now seen corresponding path program 1 times [2018-11-18 09:02:00,548 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:00,548 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:00,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:00,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:00,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:00,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:00,561 INFO L82 PathProgramCache]: Analyzing trace with hash 395788274, now seen corresponding path program 1 times [2018-11-18 09:02:00,561 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:00,561 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:00,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:00,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:00,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:02:00,695 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 09:02:00,696 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:02:00,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:02:00,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:02:00,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:02:00,770 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 6 states. [2018-11-18 09:02:00,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:02:00,892 INFO L93 Difference]: Finished difference Result 183 states and 238 transitions. [2018-11-18 09:02:00,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 09:02:00,894 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 183 states and 238 transitions. [2018-11-18 09:02:00,897 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 116 [2018-11-18 09:02:00,902 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 183 states to 173 states and 228 transitions. [2018-11-18 09:02:00,903 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 173 [2018-11-18 09:02:00,904 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 173 [2018-11-18 09:02:00,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 173 states and 228 transitions. [2018-11-18 09:02:00,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:02:00,905 INFO L705 BuchiCegarLoop]: Abstraction has 173 states and 228 transitions. [2018-11-18 09:02:00,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states and 228 transitions. [2018-11-18 09:02:00,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2018-11-18 09:02:00,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-11-18 09:02:00,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 228 transitions. [2018-11-18 09:02:00,932 INFO L728 BuchiCegarLoop]: Abstraction has 173 states and 228 transitions. [2018-11-18 09:02:00,932 INFO L608 BuchiCegarLoop]: Abstraction has 173 states and 228 transitions. [2018-11-18 09:02:00,932 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 09:02:00,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 173 states and 228 transitions. [2018-11-18 09:02:00,934 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 116 [2018-11-18 09:02:00,934 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:02:00,934 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:02:00,935 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:02:00,935 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 09:02:00,935 INFO L794 eck$LassoCheckResult]: Stem: 549#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(13);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 110];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 102];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 102];#memory_int := #memory_int[#t~string45.base,3 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 44];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 80];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 117];#memory_int := #memory_int[#t~string47.base,3 + #t~string47.offset := 109];#memory_int := #memory_int[#t~string47.base,4 + #t~string47.offset := 112];#memory_int := #memory_int[#t~string47.base,5 + #t~string47.offset := 58];#memory_int := #memory_int[#t~string47.base,6 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 79];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 110];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,3 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 41];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 32];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 10];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(13);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 44];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 77];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 101];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 116];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 104];#memory_int := #memory_int[#t~string64.base,5 + #t~string64.offset := 58];#memory_int := #memory_int[#t~string64.base,6 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 67];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 82];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 73];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 84];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 79];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 75];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 41];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 397#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 398#L906 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 389#L899 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 390#L914 main_#t~ret35 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 510#L507 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 511#L478 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 529#L925 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 530#L734-3 [2018-11-18 09:02:00,936 INFO L796 eck$LassoCheckResult]: Loop: 530#L734-3 assume true; 559#L734-1 assume !false; 545#L735 assume test_~splverifierCounter~0 < 4; 453#L736 test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; 454#L744 assume !(0 != test_~tmp~8); 414#L744-2 test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; 468#L754 assume !(0 != test_~tmp___0~1); 550#L754-2 test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; 409#L764 assume 0 != test_~tmp___2~0; 410#L770-2 assume { :begin_inline_timeShift } true; 558#L536 assume !(0 != ~pumpRunning~0); 514#L536-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 556#L594 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret36, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; 451#L568-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 421#L560-3 assume { :end_inline_processEnvironment__wrappee__base } true; 418#L568-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 448#L594-1 assume { :end_inline_processEnvironment } true; 459#L543-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 460#L833-3 __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; 526#L936 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9);~methAndRunningLastTime~0 := 0; 427#L936-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 531#L553 assume { :end_inline_timeShift } true; 530#L734-3 [2018-11-18 09:02:00,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:00,936 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 09:02:00,936 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:00,936 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:00,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:00,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:00,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:00,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:00,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1015666919, now seen corresponding path program 1 times [2018-11-18 09:02:00,983 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:00,983 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:00,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:00,984 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:02:00,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:02:01,012 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 09:02:01,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:02:01,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:02:01,013 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 09:02:01,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:02:01,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:02:01,013 INFO L87 Difference]: Start difference. First operand 173 states and 228 transitions. cyclomatic complexity: 57 Second operand 3 states. [2018-11-18 09:02:01,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:02:01,100 INFO L93 Difference]: Finished difference Result 239 states and 304 transitions. [2018-11-18 09:02:01,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:02:01,101 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 239 states and 304 transitions. [2018-11-18 09:02:01,103 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 166 [2018-11-18 09:02:01,105 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 239 states to 239 states and 304 transitions. [2018-11-18 09:02:01,105 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 239 [2018-11-18 09:02:01,106 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 239 [2018-11-18 09:02:01,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 239 states and 304 transitions. [2018-11-18 09:02:01,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:02:01,107 INFO L705 BuchiCegarLoop]: Abstraction has 239 states and 304 transitions. [2018-11-18 09:02:01,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states and 304 transitions. [2018-11-18 09:02:01,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2018-11-18 09:02:01,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-11-18 09:02:01,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 304 transitions. [2018-11-18 09:02:01,116 INFO L728 BuchiCegarLoop]: Abstraction has 239 states and 304 transitions. [2018-11-18 09:02:01,116 INFO L608 BuchiCegarLoop]: Abstraction has 239 states and 304 transitions. [2018-11-18 09:02:01,116 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 09:02:01,116 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 239 states and 304 transitions. [2018-11-18 09:02:01,117 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 166 [2018-11-18 09:02:01,118 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:02:01,118 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:02:01,118 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:02:01,118 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 09:02:01,119 INFO L794 eck$LassoCheckResult]: Stem: 978#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(13);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 110];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 102];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 102];#memory_int := #memory_int[#t~string45.base,3 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 44];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 80];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 117];#memory_int := #memory_int[#t~string47.base,3 + #t~string47.offset := 109];#memory_int := #memory_int[#t~string47.base,4 + #t~string47.offset := 112];#memory_int := #memory_int[#t~string47.base,5 + #t~string47.offset := 58];#memory_int := #memory_int[#t~string47.base,6 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 79];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 110];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,3 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 41];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 32];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 10];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(13);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 44];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 77];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 101];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 116];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 104];#memory_int := #memory_int[#t~string64.base,5 + #t~string64.offset := 58];#memory_int := #memory_int[#t~string64.base,6 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 67];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 82];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 73];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 84];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 79];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 75];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 41];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 815#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 816#L906 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 807#L899 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 808#L914 main_#t~ret35 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 934#L507 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 935#L478 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 954#L925 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 955#L734-3 [2018-11-18 09:02:01,119 INFO L796 eck$LassoCheckResult]: Loop: 955#L734-3 assume true; 1012#L734-1 assume !false; 1011#L735 assume test_~splverifierCounter~0 < 4; 1010#L736 test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; 1008#L744 assume !(0 != test_~tmp~8); 1006#L744-2 test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; 981#L754 assume !(0 != test_~tmp___0~1); 982#L754-2 test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; 826#L764 assume 0 != test_~tmp___2~0; 827#L770-2 assume { :begin_inline_timeShift } true; 993#L536 assume !(0 != ~pumpRunning~0); 994#L536-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 990#L594 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret36, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; 873#L568-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret56, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; 874#L873-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; 925#L878-1 isHighWaterLevel_#t~ret56 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret56;havoc isHighWaterLevel_#t~ret56; 960#L713-3 assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~0 := 0; 941#L713-5 isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; 900#L719-1 processEnvironment__wrappee__methaneQuery_#t~ret36 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~4 := processEnvironment__wrappee__methaneQuery_#t~ret36;havoc processEnvironment__wrappee__methaneQuery_#t~ret36; 901#L572-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~4);assume { :begin_inline_processEnvironment__wrappee__base } true; 833#L560-2 assume { :end_inline_processEnvironment__wrappee__base } true; 834#L568-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 894#L594-1 assume { :end_inline_processEnvironment } true; 1020#L543-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 1019#L833-3 __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; 1017#L936 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9);~methAndRunningLastTime~0 := 0; 1014#L936-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1013#L553 assume { :end_inline_timeShift } true; 955#L734-3 [2018-11-18 09:02:01,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:01,119 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 09:02:01,119 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:01,120 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:01,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:01,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:01,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:01,159 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:01,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1753796897, now seen corresponding path program 1 times [2018-11-18 09:02:01,160 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:01,160 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:01,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:01,160 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:02:01,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:01,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:01,172 INFO L82 PathProgramCache]: Analyzing trace with hash -754726328, now seen corresponding path program 1 times [2018-11-18 09:02:01,172 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:01,172 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:01,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:01,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:01,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:48,928 WARN L180 SmtUtils]: Spent 47.58 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 09:03:13,191 WARN L180 SmtUtils]: Spent 24.26 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 09:03:13,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:03:13 BoogieIcfgContainer [2018-11-18 09:03:13,254 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 09:03:13,254 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:03:13,255 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:03:13,255 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:03:13,255 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:02:00" (3/4) ... [2018-11-18 09:03:13,257 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 09:03:13,298 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3af9974a-ca05-4bcc-a517-a69ad25e3a54/bin-2019/uautomizer/witness.graphml [2018-11-18 09:03:13,298 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:03:13,299 INFO L168 Benchmark]: Toolchain (without parser) took 74165.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 182.5 MB). Free memory was 956.4 MB in the beginning and 950.8 MB in the end (delta: 5.6 MB). Peak memory consumption was 188.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:03:13,300 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:03:13,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -191.2 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:03:13,300 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.79 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 09:03:13,300 INFO L168 Benchmark]: Boogie Preprocessor took 29.12 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 09:03:13,301 INFO L168 Benchmark]: RCFGBuilder took 670.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 77.2 MB). Peak memory consumption was 77.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:03:13,301 INFO L168 Benchmark]: BuchiAutomizer took 72963.53 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 23.6 MB). Free memory was 1.1 GB in the beginning and 955.4 MB in the end (delta: 109.7 MB). Peak memory consumption was 182.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:03:13,301 INFO L168 Benchmark]: Witness Printer took 43.81 ms. Allocated memory is still 1.2 GB. Free memory was 955.4 MB in the beginning and 950.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:03:13,303 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 404.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -191.2 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.79 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. * Boogie Preprocessor took 29.12 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 670.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 77.2 MB). Peak memory consumption was 77.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 72963.53 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 23.6 MB). Free memory was 1.1 GB in the beginning and 955.4 MB in the end (delta: 109.7 MB). Peak memory consumption was 182.3 MB. Max. memory is 11.5 GB. * Witness Printer took 43.81 ms. Allocated memory is still 1.2 GB. Free memory was 955.4 MB in the beginning and 950.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 239 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 72.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 72.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 239 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 446 SDtfs, 874 SDslu, 104 SDs, 0 SdLazy, 38 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 734]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, ",Meth:"=0, "Env(Water:%i"=0, ",Pump:"=0, "\n"=35, retValue_acc=0, "Pump(System:"=0, "Off"=0, "On"=0, ",Meth:"=36, methaneLevelCritical=0, retValue_acc=1, tmp___0=0, "Pump(System:"=23, "OK"=0, "CRIT"=0, "OK"=8, tmp=0, tmp___1=0, "__utac__get_this_argtype"=28, retValue_acc=0, "__utac__get_this_arg"=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47199d4=0, "__utac__get_this_arg"=11, "libacc.c"=29, cleanupTimeShifts=4, "libacc.c"=26, "Off"=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44f0eb2a=0, ") "=17, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, NULL=0, systemActive=1, waterLevel=1, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, "On"=0, \result=0, ",Pump:"=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a5158d=0, "\n"=0, ") "=0, \result=1, retValue_acc=1, "i > 0 && i <= this->argsCount"=15, head=0, pumpRunning=0, "On"=18, \result=0, "i > 0 && i <= this->argsCount"=12, tmp=1, "libacc.c"=0, "CRIT"=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a844da=0, ")"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@262e8d1f=0, "Off"=0, "i > 0 && i <= this->argsCount"=0, \result=1, "libacc.c"=34, tmp=1, tmp___2=158, "i > 0 && i <= this->argsCount"=27, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ba96404=0, tmp___0=0, splverifierCounter=0, methAndRunningLastTime=0, \result=0, ")"=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22c3fa5=158, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@490c77f2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13299a4d=0, head=0, "libacc.c"=0, tmp=0, "libacc.c"=14, "i > 0 && i <= this->argsCount"=31, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=24, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78c75f1a=0, "libacc.c"=0, "On"=22, "Env(Water:%i"=39, "Off"=16, tmp=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 734]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L337] FCALL "i > 0 && i <= this->argsCount" [L337] FCALL "libacc.c" [L338] FCALL "__utac__get_this_arg" [L344] FCALL "i > 0 && i <= this->argsCount" [L344] FCALL "libacc.c" [L345] FCALL "__utac__get_this_arg" [L383] FCALL "i > 0 && i <= this->argsCount" [L383] FCALL "libacc.c" [L384] FCALL "__utac__get_this_argtype" [L390] FCALL "i > 0 && i <= this->argsCount" [L390] FCALL "libacc.c" [L391] FCALL "__utac__get_this_argtype" [L673] FCALL "Pump(System:" [L677] FCALL "On" [L681] FCALL "Off" [L685] FCALL ",Pump:" [L689] FCALL "On" [L693] FCALL "Off" [L697] FCALL ") " [L699] FCALL "\n" [L842] FCALL "Env(Water:%i" [L843] FCALL ",Meth:" [L847] FCALL "CRIT" [L851] FCALL "OK" [L855] FCALL ")" [L415] int cleanupTimeShifts = 4; [L528] int pumpRunning = 0; [L529] int systemActive = 1; [L790] int waterLevel = 1; [L791] int methaneLevelCritical = 0; [L919] int methAndRunningLastTime ; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L498] int retValue_acc ; [L499] int tmp ; [L503] FCALL select_helpers() [L504] FCALL select_features() [L505] CALL, EXPR valid_product() [L910] int retValue_acc ; [L913] retValue_acc = 1 [L914] RET return (retValue_acc); [L505] EXPR valid_product() [L505] tmp = valid_product() [L507] COND TRUE \read(tmp) [L509] FCALL setup() [L510] CALL runTest() [L488] CALL __utac_acc__Specification2_spec__1() [L924] RET methAndRunningLastTime = 0 [L488] __utac_acc__Specification2_spec__1() [L489] CALL test() [L725] int splverifierCounter ; [L726] int tmp ; [L727] int tmp___0 ; [L728] int tmp___1 ; [L729] int tmp___2 ; [L732] splverifierCounter = 0 Loop: [L734] COND TRUE 1 [L736] COND TRUE splverifierCounter < 4 [L742] tmp = __VERIFIER_nondet_int() [L744] COND FALSE !(\read(tmp)) [L752] tmp___0 = __VERIFIER_nondet_int() [L754] COND FALSE !(\read(tmp___0)) [L762] tmp___2 = __VERIFIER_nondet_int() [L764] COND TRUE \read(tmp___2) [L777] CALL timeShift() [L536] COND FALSE !(\read(pumpRunning)) [L543] COND TRUE \read(systemActive) [L545] CALL processEnvironment() [L591] int tmp ; [L594] COND FALSE !(\read(pumpRunning)) [L609] CALL processEnvironment__wrappee__methaneQuery() [L565] int tmp ; [L568] COND TRUE ! pumpRunning [L570] CALL, EXPR isHighWaterLevel() [L705] int retValue_acc ; [L706] int tmp ; [L707] int tmp___0 ; [L711] CALL, EXPR isHighWaterSensorDry() [L870] int retValue_acc ; [L873] COND TRUE waterLevel < 2 [L874] retValue_acc = 1 [L875] RET return (retValue_acc); [L711] EXPR isHighWaterSensorDry() [L711] tmp = isHighWaterSensorDry() [L713] COND TRUE \read(tmp) [L714] tmp___0 = 0 [L718] retValue_acc = tmp___0 [L719] RET return (retValue_acc); [L570] EXPR isHighWaterLevel() [L570] tmp = isHighWaterLevel() [L572] COND FALSE !(\read(tmp)) [L578] RET, FCALL processEnvironment__wrappee__base() [L609] RET processEnvironment__wrappee__methaneQuery() [L545] processEnvironment() [L551] CALL __utac_acc__Specification2_spec__2() [L929] int tmp ; [L930] int tmp___0 ; [L934] CALL, EXPR isMethaneLevelCritical() [L829] int retValue_acc ; [L832] retValue_acc = methaneLevelCritical [L833] RET return (retValue_acc); [L934] EXPR isMethaneLevelCritical() [L934] tmp = isMethaneLevelCritical() [L936] COND FALSE !(\read(tmp)) [L952] RET methAndRunningLastTime = 0 [L551] RET __utac_acc__Specification2_spec__2() [L777] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...