./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product62_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_17780977-43fc-4c17-b403-a9909e265a8c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_17780977-43fc-4c17-b403-a9909e265a8c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_17780977-43fc-4c17-b403-a9909e265a8c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_17780977-43fc-4c17-b403-a9909e265a8c/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product62_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_17780977-43fc-4c17-b403-a9909e265a8c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_17780977-43fc-4c17-b403-a9909e265a8c/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 b53c74b3fbc69a335e393da17bbcb1aa5d3461be ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.23-0cd3be1 [2018-11-28 11:00:26,509 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:00:26,510 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:00:26,517 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:00:26,517 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:00:26,518 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:00:26,518 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:00:26,519 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:00:26,520 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:00:26,521 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:00:26,522 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:00:26,522 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:00:26,523 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:00:26,523 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:00:26,524 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:00:26,525 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:00:26,525 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:00:26,527 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:00:26,528 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:00:26,529 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:00:26,530 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:00:26,530 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:00:26,532 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:00:26,532 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:00:26,532 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:00:26,533 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:00:26,534 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:00:26,534 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:00:26,535 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:00:26,536 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:00:26,536 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:00:26,536 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:00:26,536 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:00:26,536 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:00:26,537 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:00:26,538 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:00:26,538 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_17780977-43fc-4c17-b403-a9909e265a8c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 11:00:26,548 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:00:26,549 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:00:26,549 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:00:26,550 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:00:26,550 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:00:26,550 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 11:00:26,550 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 11:00:26,550 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 11:00:26,550 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 11:00:26,550 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 11:00:26,551 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 11:00:26,551 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:00:26,551 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:00:26,551 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:00:26,551 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:00:26,551 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:00:26,551 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:00:26,551 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 11:00:26,552 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 11:00:26,552 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 11:00:26,552 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:00:26,552 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:00:26,552 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 11:00:26,552 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:00:26,552 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 11:00:26,553 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:00:26,553 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:00:26,553 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 11:00:26,553 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:00:26,553 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:00:26,553 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 11:00:26,554 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 11:00:26,554 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_17780977-43fc-4c17-b403-a9909e265a8c/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 -> b53c74b3fbc69a335e393da17bbcb1aa5d3461be [2018-11-28 11:00:26,578 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:00:26,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:00:26,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:00:26,591 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:00:26,591 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:00:26,592 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_17780977-43fc-4c17-b403-a9909e265a8c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product62_true-unreach-call_false-termination.cil.c [2018-11-28 11:00:26,636 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_17780977-43fc-4c17-b403-a9909e265a8c/bin-2019/uautomizer/data/416404206/83c9bbd59fbf4cc7bbbae8f3bbff6d1a/FLAG5519bc955 [2018-11-28 11:00:27,063 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:00:27,063 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_17780977-43fc-4c17-b403-a9909e265a8c/sv-benchmarks/c/product-lines/minepump_spec3_product62_true-unreach-call_false-termination.cil.c [2018-11-28 11:00:27,070 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_17780977-43fc-4c17-b403-a9909e265a8c/bin-2019/uautomizer/data/416404206/83c9bbd59fbf4cc7bbbae8f3bbff6d1a/FLAG5519bc955 [2018-11-28 11:00:27,082 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_17780977-43fc-4c17-b403-a9909e265a8c/bin-2019/uautomizer/data/416404206/83c9bbd59fbf4cc7bbbae8f3bbff6d1a [2018-11-28 11:00:27,085 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:00:27,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:00:27,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:00:27,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:00:27,092 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:00:27,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:00:27" (1/1) ... [2018-11-28 11:00:27,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5adb3118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:00:27, skipping insertion in model container [2018-11-28 11:00:27,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:00:27" (1/1) ... [2018-11-28 11:00:27,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:00:27,132 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:00:27,313 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:00:27,372 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:00:27,428 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:00:27,453 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:00:27,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:00:27 WrapperNode [2018-11-28 11:00:27,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:00:27,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:00:27,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:00:27,455 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:00:27,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:00:27" (1/1) ... [2018-11-28 11:00:27,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:00:27" (1/1) ... [2018-11-28 11:00:27,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:00:27,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:00:27,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:00:27,517 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:00:27,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:00:27" (1/1) ... [2018-11-28 11:00:27,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:00:27" (1/1) ... [2018-11-28 11:00:27,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:00:27" (1/1) ... [2018-11-28 11:00:27,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:00:27" (1/1) ... [2018-11-28 11:00:27,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:00:27" (1/1) ... [2018-11-28 11:00:27,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:00:27" (1/1) ... [2018-11-28 11:00:27,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:00:27" (1/1) ... [2018-11-28 11:00:27,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:00:27,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:00:27,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:00:27,559 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:00:27,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:00:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_17780977-43fc-4c17-b403-a9909e265a8c/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 [2018-11-28 11:00:27,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:00:27,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:00:27,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:00:27,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:00:28,291 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:00:28,292 INFO L280 CfgBuilder]: Removed 356 assue(true) statements. [2018-11-28 11:00:28,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:00:28 BoogieIcfgContainer [2018-11-28 11:00:28,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:00:28,293 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 11:00:28,293 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 11:00:28,295 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 11:00:28,296 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:00:28,297 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:00:27" (1/3) ... [2018-11-28 11:00:28,298 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ba6849a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:00:28, skipping insertion in model container [2018-11-28 11:00:28,298 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:00:28,298 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:00:27" (2/3) ... [2018-11-28 11:00:28,298 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ba6849a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:00:28, skipping insertion in model container [2018-11-28 11:00:28,298 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:00:28,298 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:00:28" (3/3) ... [2018-11-28 11:00:28,300 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product62_true-unreach-call_false-termination.cil.c [2018-11-28 11:00:28,336 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:00:28,336 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 11:00:28,336 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 11:00:28,336 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 11:00:28,337 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:00:28,337 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:00:28,337 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 11:00:28,337 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:00:28,337 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 11:00:28,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 228 states. [2018-11-28 11:00:28,376 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 149 [2018-11-28 11:00:28,376 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:00:28,376 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:00:28,382 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 11:00:28,382 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:00:28,382 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 11:00:28,382 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 228 states. [2018-11-28 11:00:28,389 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 149 [2018-11-28 11:00:28,390 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:00:28,390 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:00:28,390 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 11:00:28,390 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:00:28,394 INFO L794 eck$LassoCheckResult]: Stem: 66#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;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~string24.base, #t~string24.offset := #Ultimate.alloc(30);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(9);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(21);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~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string39.base, #t~string39.offset := #Ultimate.alloc(13);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string55.base, #t~string55.offset := #Ultimate.alloc(13);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4; 12#L-1true havoc main_#res;havoc main_#t~ret76, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; 197#L586true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 92#L594true main_#t~ret76 := valid_product_#res;main_~tmp~11 := main_#t~ret76;havoc main_#t~ret76; 61#L1002true assume 0 != main_~tmp~11; 107#L979true havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 162#L67-1true [2018-11-28 11:00:28,394 INFO L796 eck$LassoCheckResult]: Loop: 162#L67-1true assume !false; 86#L864true assume test_~splverifierCounter~0 < 4; 166#L865true test_~tmp~10 := test_#t~nondet72;havoc test_#t~nondet72; 18#L873true assume !(0 != test_~tmp~10); 20#L873-1true test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; 199#L883true assume !(0 != test_~tmp___0~3); 202#L883-1true test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; 150#L893true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 14#L901-2true assume !(0 != ~pumpRunning~0); 49#L611true assume !(0 != ~systemActive~0); 147#L618true havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 43#L501-5true __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 168#L61true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 162#L67-1true [2018-11-28 11:00:28,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:00:28,399 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 11:00:28,401 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:00:28,401 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:00:28,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:00:28,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:00:28,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:00:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:00:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:00:28,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:00:28,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1674172490, now seen corresponding path program 1 times [2018-11-28 11:00:28,547 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:00:28,547 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:00:28,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:00:28,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:00:28,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:00:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:00:28,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:00:28,586 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:00:28,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:00:28,589 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 11:00:28,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:00:28,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:00:28,599 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2018-11-28 11:00:28,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:00:28,644 INFO L93 Difference]: Finished difference Result 228 states and 332 transitions. [2018-11-28 11:00:28,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:00:28,646 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 228 states and 332 transitions. [2018-11-28 11:00:28,650 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 147 [2018-11-28 11:00:28,656 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 228 states to 221 states and 324 transitions. [2018-11-28 11:00:28,657 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 221 [2018-11-28 11:00:28,658 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 221 [2018-11-28 11:00:28,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 221 states and 324 transitions. [2018-11-28 11:00:28,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:00:28,660 INFO L705 BuchiCegarLoop]: Abstraction has 221 states and 324 transitions. [2018-11-28 11:00:28,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states and 324 transitions. [2018-11-28 11:00:28,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2018-11-28 11:00:28,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-11-28 11:00:28,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 324 transitions. [2018-11-28 11:00:28,694 INFO L728 BuchiCegarLoop]: Abstraction has 221 states and 324 transitions. [2018-11-28 11:00:28,694 INFO L608 BuchiCegarLoop]: Abstraction has 221 states and 324 transitions. [2018-11-28 11:00:28,694 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 11:00:28,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 221 states and 324 transitions. [2018-11-28 11:00:28,696 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 147 [2018-11-28 11:00:28,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:00:28,696 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:00:28,697 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 11:00:28,697 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:00:28,697 INFO L794 eck$LassoCheckResult]: Stem: 570#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;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~string24.base, #t~string24.offset := #Ultimate.alloc(30);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(9);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(21);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~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string39.base, #t~string39.offset := #Ultimate.alloc(13);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string55.base, #t~string55.offset := #Ultimate.alloc(13);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4; 482#L-1 havoc main_#res;havoc main_#t~ret76, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; 483#L586 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 607#L594 main_#t~ret76 := valid_product_#res;main_~tmp~11 := main_#t~ret76;havoc main_#t~ret76; 564#L1002 assume 0 != main_~tmp~11; 565#L979 havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 598#L67-1 [2018-11-28 11:00:28,698 INFO L796 eck$LassoCheckResult]: Loop: 598#L67-1 assume !false; 599#L864 assume test_~splverifierCounter~0 < 4; 600#L865 test_~tmp~10 := test_#t~nondet72;havoc test_#t~nondet72; 491#L873 assume !(0 != test_~tmp~10); 493#L873-1 test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; 497#L883 assume !(0 != test_~tmp___0~3); 489#L883-1 test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; 668#L893 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 485#L901-2 assume !(0 != ~pumpRunning~0); 486#L611 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 547#L695 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 659#L669-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; 474#L643-3 assume !(0 == ~pumpRunning~0); 466#L618 havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 536#L501-5 __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 537#L61 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 598#L67-1 [2018-11-28 11:00:28,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:00:28,698 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 11:00:28,698 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:00:28,698 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:00:28,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:00:28,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:00:28,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:00:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:00:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:00:28,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:00:28,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1243674316, now seen corresponding path program 1 times [2018-11-28 11:00:28,754 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:00:28,754 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:00:28,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:00:28,755 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:00:28,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:00:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:00:28,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:00:28,785 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:00:28,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:00:28,785 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 11:00:28,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:00:28,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:00:28,786 INFO L87 Difference]: Start difference. First operand 221 states and 324 transitions. cyclomatic complexity: 105 Second operand 3 states. [2018-11-28 11:00:28,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:00:28,904 INFO L93 Difference]: Finished difference Result 223 states and 309 transitions. [2018-11-28 11:00:28,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:00:28,905 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 223 states and 309 transitions. [2018-11-28 11:00:28,907 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 152 [2018-11-28 11:00:28,909 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 223 states to 223 states and 309 transitions. [2018-11-28 11:00:28,909 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 223 [2018-11-28 11:00:28,910 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 223 [2018-11-28 11:00:28,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 223 states and 309 transitions. [2018-11-28 11:00:28,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:00:28,911 INFO L705 BuchiCegarLoop]: Abstraction has 223 states and 309 transitions. [2018-11-28 11:00:28,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states and 309 transitions. [2018-11-28 11:00:28,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2018-11-28 11:00:28,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-11-28 11:00:28,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 309 transitions. [2018-11-28 11:00:28,919 INFO L728 BuchiCegarLoop]: Abstraction has 223 states and 309 transitions. [2018-11-28 11:00:28,919 INFO L608 BuchiCegarLoop]: Abstraction has 223 states and 309 transitions. [2018-11-28 11:00:28,919 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 11:00:28,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 223 states and 309 transitions. [2018-11-28 11:00:28,921 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 152 [2018-11-28 11:00:28,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:00:28,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:00:28,922 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 11:00:28,922 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] [2018-11-28 11:00:28,922 INFO L794 eck$LassoCheckResult]: Stem: 1067#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;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~string24.base, #t~string24.offset := #Ultimate.alloc(30);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(9);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(21);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~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string39.base, #t~string39.offset := #Ultimate.alloc(13);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string55.base, #t~string55.offset := #Ultimate.alloc(13);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4; 946#L-1 havoc main_#res;havoc main_#t~ret76, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; 947#L586 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 1085#L594 main_#t~ret76 := valid_product_#res;main_~tmp~11 := main_#t~ret76;havoc main_#t~ret76; 1063#L1002 assume 0 != main_~tmp~11; 1064#L979 havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1099#L67-1 [2018-11-28 11:00:28,922 INFO L796 eck$LassoCheckResult]: Loop: 1099#L67-1 assume !false; 1084#L864 assume test_~splverifierCounter~0 < 4; 1000#L865 test_~tmp~10 := test_#t~nondet72;havoc test_#t~nondet72; 1001#L873 assume !(0 != test_~tmp~10); 1004#L873-1 test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; 1009#L883 assume !(0 != test_~tmp___0~3); 991#L883-1 test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; 977#L893 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 978#L901-2 assume !(0 != ~pumpRunning~0); 983#L611 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 962#L695 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 963#L669-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; 934#L643-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret70, isHighWaterLevel_~retValue_acc~11, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~11;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; 935#L541-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; 959#L546-3 isHighWaterLevel_#t~ret70 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret70;havoc isHighWaterLevel_#t~ret70; 986#L814-9 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~1 := 0; 1081#L814-11 isHighWaterLevel_~retValue_acc~11 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~11; 1074#L820-3 processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; 1017#L647-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4); 920#L618 havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 1125#L501-5 __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 1122#L61 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 1099#L67-1 [2018-11-28 11:00:28,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:00:28,923 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-11-28 11:00:28,923 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:00:28,923 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:00:28,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:00:28,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:00:28,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:00:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:00:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:00:28,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:00:28,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1113090816, now seen corresponding path program 1 times [2018-11-28 11:00:28,963 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:00:28,964 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:00:28,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:00:28,964 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:00:28,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:00:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:00:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:00:28,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:00:28,973 INFO L82 PathProgramCache]: Analyzing trace with hash 140214310, now seen corresponding path program 1 times [2018-11-28 11:00:28,974 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:00:28,974 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:00:28,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:00:28,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:00:28,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:00:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:00:29,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:00:29,050 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:00:29,050 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:00:29,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:00:29,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:00:29,168 INFO L87 Difference]: Start difference. First operand 223 states and 309 transitions. cyclomatic complexity: 88 Second operand 5 states. [2018-11-28 11:00:29,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:00:29,433 INFO L93 Difference]: Finished difference Result 747 states and 1037 transitions. [2018-11-28 11:00:29,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:00:29,434 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 747 states and 1037 transitions. [2018-11-28 11:00:29,440 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 532 [2018-11-28 11:00:29,444 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 747 states to 747 states and 1037 transitions. [2018-11-28 11:00:29,445 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 747 [2018-11-28 11:00:29,446 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 747 [2018-11-28 11:00:29,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 747 states and 1037 transitions. [2018-11-28 11:00:29,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:00:29,449 INFO L705 BuchiCegarLoop]: Abstraction has 747 states and 1037 transitions. [2018-11-28 11:00:29,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states and 1037 transitions. [2018-11-28 11:00:29,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 440. [2018-11-28 11:00:29,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2018-11-28 11:00:29,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 604 transitions. [2018-11-28 11:00:29,468 INFO L728 BuchiCegarLoop]: Abstraction has 440 states and 604 transitions. [2018-11-28 11:00:29,468 INFO L608 BuchiCegarLoop]: Abstraction has 440 states and 604 transitions. [2018-11-28 11:00:29,468 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-28 11:00:29,468 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 440 states and 604 transitions. [2018-11-28 11:00:29,471 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 304 [2018-11-28 11:00:29,471 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:00:29,471 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:00:29,471 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 11:00:29,471 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:00:29,472 INFO L794 eck$LassoCheckResult]: Stem: 2066#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;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~string24.base, #t~string24.offset := #Ultimate.alloc(30);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(9);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(21);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~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string39.base, #t~string39.offset := #Ultimate.alloc(13);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string55.base, #t~string55.offset := #Ultimate.alloc(13);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4; 1934#L-1 havoc main_#res;havoc main_#t~ret76, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; 1935#L586 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 2086#L594 main_#t~ret76 := valid_product_#res;main_~tmp~11 := main_#t~ret76;havoc main_#t~ret76; 2062#L1002 assume 0 != main_~tmp~11; 2063#L979 havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1984#L67-1 [2018-11-28 11:00:29,472 INFO L796 eck$LassoCheckResult]: Loop: 1984#L67-1 assume !false; 1985#L864 assume test_~splverifierCounter~0 < 4; 2085#L865 test_~tmp~10 := test_#t~nondet72;havoc test_#t~nondet72; 2342#L873 assume !(0 != test_~tmp~10); 2340#L873-1 test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; 2092#L883 assume !(0 != test_~tmp___0~3); 2093#L883-1 test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; 1966#L893 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 1967#L901-2 assume !(0 != ~pumpRunning~0); 1972#L611 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 1951#L695 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 1952#L669-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; 2327#L643-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret70, isHighWaterLevel_~retValue_acc~11, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~11;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; 1947#L541-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; 1948#L546-3 isHighWaterLevel_#t~ret70 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret70;havoc isHighWaterLevel_#t~ret70; 1975#L814-9 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~1 := 0; 2081#L814-11 isHighWaterLevel_~retValue_acc~11 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~11; 2074#L820-3 processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; 2009#L647-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4); 1908#L618 havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 1962#L501-5 __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 1993#L61 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 1994#L533 __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; 1986#L67 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 1984#L67-1 [2018-11-28 11:00:29,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:00:29,472 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 4 times [2018-11-28 11:00:29,472 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:00:29,472 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:00:29,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:00:29,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:00:29,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:00:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:00:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:00:29,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:00:29,507 INFO L82 PathProgramCache]: Analyzing trace with hash -233404718, now seen corresponding path program 1 times [2018-11-28 11:00:29,507 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:00:29,507 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:00:29,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:00:29,508 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:00:29,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:00:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:00:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:00:29,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:00:29,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1601978488, now seen corresponding path program 1 times [2018-11-28 11:00:29,519 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:00:29,519 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:00:29,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:00:29,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:00:29,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:00:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:00:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:00:29,702 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2018-11-28 11:00:34,880 WARN L180 SmtUtils]: Spent 5.10 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-28 11:00:37,403 WARN L180 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-28 11:00:37,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:00:37 BoogieIcfgContainer [2018-11-28 11:00:37,445 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 11:00:37,445 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:00:37,445 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:00:37,445 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:00:37,446 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:00:28" (3/4) ... [2018-11-28 11:00:37,450 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 11:00:37,493 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_17780977-43fc-4c17-b403-a9909e265a8c/bin-2019/uautomizer/witness.graphml [2018-11-28 11:00:37,494 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:00:37,494 INFO L168 Benchmark]: Toolchain (without parser) took 10406.89 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 323.0 MB). Free memory was 956.0 MB in the beginning and 838.7 MB in the end (delta: 117.3 MB). Peak memory consumption was 440.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:00:37,495 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:00:37,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -175.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:00:37,496 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.75 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:00:37,496 INFO L168 Benchmark]: Boogie Preprocessor took 40.99 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:00:37,496 INFO L168 Benchmark]: RCFGBuilder took 733.68 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: 82.9 MB). Peak memory consumption was 82.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:00:37,497 INFO L168 Benchmark]: BuchiAutomizer took 9152.20 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 175.6 MB). Free memory was 1.0 GB in the beginning and 838.7 MB in the end (delta: 195.4 MB). Peak memory consumption was 379.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:00:37,497 INFO L168 Benchmark]: Witness Printer took 48.70 ms. Allocated memory is still 1.4 GB. Free memory is still 838.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:00:37,500 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -175.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.75 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.99 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 733.68 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: 82.9 MB). Peak memory consumption was 82.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9152.20 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 175.6 MB). Free memory was 1.0 GB in the beginning and 838.7 MB in the end (delta: 195.4 MB). Peak memory consumption was 379.0 MB. Max. memory is 11.5 GB. * Witness Printer took 48.70 ms. Allocated memory is still 1.4 GB. Free memory is still 838.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 5 locations. The remainder module has 440 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 8.4s. 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, 307 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 440 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 917 SDtfs, 1517 SDslu, 1203 SDs, 0 SdLazy, 204 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI2 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: 863]: 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, NULL=22, NULL=0, NULL=0, NULL=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@574d915d=0, NULL=45, NULL=0, tmp___1=0, NULL=16, NULL=46, tmp=0, cleanupTimeShifts=4, NULL=35, tmp=1, NULL=0, waterLevel=1, NULL=0, \result=1, head=0, pumpRunning=0, NULL=36, retValue_acc=1, NULL=0, NULL=0, NULL=0, \result=1, NULL=31, retValue_acc=0, tmp___0=0, tmp=1, retValue_acc=1, NULL=18, NULL=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7541724d=0, NULL=27, head=0, NULL=0, NULL=34, tmp=0, NULL=40, NULL=0, NULL=0, NULL=37, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@febdcd4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f05bbfd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25c32cd5=0, NULL=0, NULL=0, NULL=39, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a010c42=0, tmp___0=0, NULL=0, NULL=0, NULL=24, tmp___0=1, tmp=0, NULL=19, NULL=29, NULL=43, NULL=0, NULL=0, NULL=0, systemActive=1, NULL=17, \result=1, NULL=0, retValue_acc=0, \result=0, NULL=20, NULL=0, NULL=0, retValue_acc=0, \result=0, NULL=38, NULL=26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c285748=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@227d7e3d=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d8184e7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@789d6054=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ba19ffd=0, NULL=42, NULL=28, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c624446=0, tmp=0, tmp___2=56, splverifierCounter=0, NULL=0, \result=0, tmp___1=0, NULL=0, NULL=0, NULL=23} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L255] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L458] int waterLevel = 1; [L459] int methaneLevelCritical = 0; [L604] int pumpRunning = 0; [L605] int systemActive = 1; [L920] int cleanupTimeShifts = 4; [L993] int retValue_acc ; [L994] int tmp ; [L590] int retValue_acc ; [L593] retValue_acc = 1 [L594] return (retValue_acc); [L1000] tmp = valid_product() [L1002] COND TRUE \read(tmp) [L854] int splverifierCounter ; [L855] int tmp ; [L856] int tmp___0 ; [L857] int tmp___1 ; [L858] int tmp___2 ; [L861] splverifierCounter = 0 Loop: [L863] COND TRUE 1 [L865] COND TRUE splverifierCounter < 4 [L871] tmp = __VERIFIER_nondet_int() [L873] COND FALSE !(\read(tmp)) [L881] tmp___0 = __VERIFIER_nondet_int() [L883] COND FALSE !(\read(tmp___0)) [L891] tmp___2 = __VERIFIER_nondet_int() [L893] COND TRUE \read(tmp___2) [L847] systemActive = 1 [L611] COND FALSE !(\read(pumpRunning)) [L618] COND TRUE \read(systemActive) [L692] int tmp ; [L695] COND FALSE !(\read(pumpRunning)) [L666] int tmp ; [L669] COND FALSE !(\read(pumpRunning)) [L640] int tmp ; [L643] COND TRUE ! pumpRunning [L806] int retValue_acc ; [L807] int tmp ; [L808] int tmp___0 ; [L538] int retValue_acc ; [L541] COND TRUE waterLevel < 2 [L542] retValue_acc = 1 [L543] return (retValue_acc); [L812] tmp = isHighWaterSensorDry() [L814] COND TRUE \read(tmp) [L815] tmp___0 = 0 [L819] retValue_acc = tmp___0 [L820] return (retValue_acc); [L645] tmp = isHighWaterLevel() [L647] COND FALSE !(\read(tmp)) [L53] int tmp ; [L54] int tmp___0 ; [L55] int tmp___1 ; [L497] int retValue_acc ; [L500] retValue_acc = methaneLevelCritical [L501] return (retValue_acc); [L59] tmp = isMethaneLevelCritical() [L61] COND FALSE !(\read(tmp)) [L529] int retValue_acc ; [L532] retValue_acc = waterLevel [L533] return (retValue_acc); [L65] tmp___0 = getWaterLevel() [L67] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...