./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product59_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_d9c52cff-b3aa-4802-8630-a9fe5aabd708/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d9c52cff-b3aa-4802-8630-a9fe5aabd708/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d9c52cff-b3aa-4802-8630-a9fe5aabd708/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d9c52cff-b3aa-4802-8630-a9fe5aabd708/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product59_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d9c52cff-b3aa-4802-8630-a9fe5aabd708/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d9c52cff-b3aa-4802-8630-a9fe5aabd708/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 8a74a11a5d5c8fe8b4adcf5c10f76ddbc8ce0734 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:44:49,371 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:44:49,372 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:44:49,381 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:44:49,381 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:44:49,382 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:44:49,383 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:44:49,384 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:44:49,385 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:44:49,386 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:44:49,386 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:44:49,386 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:44:49,387 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:44:49,388 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:44:49,389 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:44:49,389 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:44:49,390 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:44:49,391 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:44:49,392 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:44:49,393 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:44:49,394 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:44:49,395 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:44:49,396 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:44:49,397 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:44:49,397 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:44:49,397 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:44:49,398 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:44:49,399 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:44:49,399 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:44:49,400 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:44:49,400 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:44:49,400 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:44:49,401 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:44:49,401 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:44:49,401 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:44:49,402 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:44:49,402 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d9c52cff-b3aa-4802-8630-a9fe5aabd708/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 14:44:49,412 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:44:49,412 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:44:49,413 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:44:49,414 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:44:49,414 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 14:44:49,414 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 14:44:49,414 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 14:44:49,414 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 14:44:49,414 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 14:44:49,414 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 14:44:49,415 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 14:44:49,415 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:44:49,415 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:44:49,415 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 14:44:49,415 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:44:49,415 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:44:49,415 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:44:49,416 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 14:44:49,416 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 14:44:49,416 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 14:44:49,416 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:44:49,416 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:44:49,416 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 14:44:49,416 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:44:49,417 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 14:44:49,417 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:44:49,417 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:44:49,417 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 14:44:49,417 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:44:49,417 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 14:44:49,417 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 14:44:49,418 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 14:44:49,418 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_d9c52cff-b3aa-4802-8630-a9fe5aabd708/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 -> 8a74a11a5d5c8fe8b4adcf5c10f76ddbc8ce0734 [2018-11-18 14:44:49,441 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:44:49,450 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:44:49,452 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:44:49,454 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:44:49,454 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:44:49,454 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d9c52cff-b3aa-4802-8630-a9fe5aabd708/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product59_true-unreach-call_false-termination.cil.c [2018-11-18 14:44:49,496 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d9c52cff-b3aa-4802-8630-a9fe5aabd708/bin-2019/uautomizer/data/05036b3f0/0ac9dbf72fd742d2adb22ef7634ced10/FLAG742234109 [2018-11-18 14:44:49,831 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:44:49,832 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d9c52cff-b3aa-4802-8630-a9fe5aabd708/sv-benchmarks/c/product-lines/minepump_spec2_product59_true-unreach-call_false-termination.cil.c [2018-11-18 14:44:49,842 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d9c52cff-b3aa-4802-8630-a9fe5aabd708/bin-2019/uautomizer/data/05036b3f0/0ac9dbf72fd742d2adb22ef7634ced10/FLAG742234109 [2018-11-18 14:44:49,851 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d9c52cff-b3aa-4802-8630-a9fe5aabd708/bin-2019/uautomizer/data/05036b3f0/0ac9dbf72fd742d2adb22ef7634ced10 [2018-11-18 14:44:49,853 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:44:49,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:44:49,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:44:49,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:44:49,858 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:44:49,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:44:49" (1/1) ... [2018-11-18 14:44:49,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:44:49, skipping insertion in model container [2018-11-18 14:44:49,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:44:49" (1/1) ... [2018-11-18 14:44:49,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:44:49,895 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:44:50,089 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:44:50,097 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:44:50,194 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:44:50,222 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:44:50,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:44:50 WrapperNode [2018-11-18 14:44:50,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:44:50,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:44:50,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:44:50,224 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:44:50,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:44:50" (1/1) ... [2018-11-18 14:44:50,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:44:50" (1/1) ... [2018-11-18 14:44:50,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:44:50,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:44:50,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:44:50,278 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:44:50,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:44:50" (1/1) ... [2018-11-18 14:44:50,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:44:50" (1/1) ... [2018-11-18 14:44:50,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:44:50" (1/1) ... [2018-11-18 14:44:50,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:44:50" (1/1) ... [2018-11-18 14:44:50,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:44:50" (1/1) ... [2018-11-18 14:44:50,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:44:50" (1/1) ... [2018-11-18 14:44:50,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:44:50" (1/1) ... [2018-11-18 14:44:50,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:44:50,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:44:50,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:44:50,313 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:44:50,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:44:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d9c52cff-b3aa-4802-8630-a9fe5aabd708/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:44:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:44:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:44:50,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:44:50,931 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:44:50,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:44:50 BoogieIcfgContainer [2018-11-18 14:44:50,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:44:50,932 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 14:44:50,932 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 14:44:50,934 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 14:44:50,935 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:44:50,935 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 02:44:49" (1/3) ... [2018-11-18 14:44:50,935 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5678c5d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:44:50, skipping insertion in model container [2018-11-18 14:44:50,936 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:44:50,936 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:44:50" (2/3) ... [2018-11-18 14:44:50,936 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5678c5d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:44:50, skipping insertion in model container [2018-11-18 14:44:50,936 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:44:50,936 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:44:50" (3/3) ... [2018-11-18 14:44:50,938 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product59_true-unreach-call_false-termination.cil.c [2018-11-18 14:44:50,972 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:44:50,973 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 14:44:50,973 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 14:44:50,973 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 14:44:50,973 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:44:50,973 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:44:50,973 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 14:44:50,973 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:44:50,974 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 14:44:50,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 196 states. [2018-11-18 14:44:51,006 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 128 [2018-11-18 14:44:51,006 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:44:51,006 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:44:51,012 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:44:51,012 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 14:44:51,012 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 14:44:51,012 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 196 states. [2018-11-18 14:44:51,017 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 128 [2018-11-18 14:44:51,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:44:51,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:44:51,017 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:44:51,018 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 14:44:51,021 INFO L794 eck$LassoCheckResult]: Stem: 98#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 110];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 44];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 80];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 117];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 109];#memory_int := #memory_int[#t~string11.base,4 + #t~string11.offset := 112];#memory_int := #memory_int[#t~string11.base,5 + #t~string11.offset := 58];#memory_int := #memory_int[#t~string11.base,6 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 41];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 32];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 10];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 15#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret28, main_~retValue_acc~4, main_~tmp~7;havoc main_~retValue_acc~4;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 13#L522true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 173#L515true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 136#L530true main_#t~ret28 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret28;havoc main_#t~ret28; 137#L486true assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 192#L459true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 76#L367true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 141#L304-3true [2018-11-18 14:44:51,022 INFO L796 eck$LassoCheckResult]: Loop: 141#L304-3true assume true; 148#L304-1true assume !false; 185#L305true assume test_~splverifierCounter~0 < 4; 84#L306true test_~tmp~5 := test_#t~nondet22;havoc test_#t~nondet22; 92#L314true assume !(0 != test_~tmp~5); 91#L314-2true test_~tmp___0~2 := test_#t~nondet23;havoc test_#t~nondet23; 123#L324true assume !(0 != test_~tmp___0~2); 125#L324-2true test_~tmp___2~0 := test_#t~nondet24;havoc test_#t~nondet24; 44#L334true assume 0 != test_~tmp___2~0; 17#L340-2true assume { :begin_inline_timeShift } true; 198#L68true assume !(0 != ~pumpRunning~0); 197#L68-2true assume !(0 != ~systemActive~0); 80#L75-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret26, __utac_acc__Specification2_spec__2_#t~ret27, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 77#L945-2true __utac_acc__Specification2_spec__2_#t~ret26 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret26;havoc __utac_acc__Specification2_spec__2_#t~ret26; 75#L378true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 43#L378-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 183#L85true assume { :end_inline_timeShift } true; 141#L304-3true [2018-11-18 14:44:51,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:44:51,027 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 14:44:51,028 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:44:51,029 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:44:51,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:51,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:44:51,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:44:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:44:51,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:44:51,171 INFO L82 PathProgramCache]: Analyzing trace with hash 532915163, now seen corresponding path program 1 times [2018-11-18 14:44:51,171 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:44:51,171 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:44:51,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:51,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:44:51,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:44:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:44:51,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:44:51,185 INFO L82 PathProgramCache]: Analyzing trace with hash -203026414, now seen corresponding path program 1 times [2018-11-18 14:44:51,185 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:44:51,185 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:44:51,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:51,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:44:51,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:44:51,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:44:51,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:44:51,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:44:51,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:44:51,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:44:51,394 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 6 states. [2018-11-18 14:44:51,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:44:51,570 INFO L93 Difference]: Finished difference Result 447 states and 588 transitions. [2018-11-18 14:44:51,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:44:51,572 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 447 states and 588 transitions. [2018-11-18 14:44:51,580 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 291 [2018-11-18 14:44:51,587 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 447 states to 417 states and 558 transitions. [2018-11-18 14:44:51,588 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 417 [2018-11-18 14:44:51,589 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 417 [2018-11-18 14:44:51,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 417 states and 558 transitions. [2018-11-18 14:44:51,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:44:51,592 INFO L705 BuchiCegarLoop]: Abstraction has 417 states and 558 transitions. [2018-11-18 14:44:51,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states and 558 transitions. [2018-11-18 14:44:51,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 240. [2018-11-18 14:44:51,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-11-18 14:44:51,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 321 transitions. [2018-11-18 14:44:51,629 INFO L728 BuchiCegarLoop]: Abstraction has 240 states and 321 transitions. [2018-11-18 14:44:51,629 INFO L608 BuchiCegarLoop]: Abstraction has 240 states and 321 transitions. [2018-11-18 14:44:51,629 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 14:44:51,629 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 240 states and 321 transitions. [2018-11-18 14:44:51,631 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 168 [2018-11-18 14:44:51,631 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:44:51,632 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:44:51,632 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:44:51,632 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 14:44:51,633 INFO L794 eck$LassoCheckResult]: Stem: 826#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 110];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 44];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 80];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 117];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 109];#memory_int := #memory_int[#t~string11.base,4 + #t~string11.offset := 112];#memory_int := #memory_int[#t~string11.base,5 + #t~string11.offset := 58];#memory_int := #memory_int[#t~string11.base,6 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 41];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 32];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 10];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 685#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret28, main_~retValue_acc~4, main_~tmp~7;havoc main_~retValue_acc~4;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 682#L522 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 683#L515 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 689#L530 main_#t~ret28 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret28;havoc main_#t~ret28; 690#L486 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 693#L459 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 801#L367 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 712#L304-3 [2018-11-18 14:44:51,633 INFO L796 eck$LassoCheckResult]: Loop: 712#L304-3 assume true; 713#L304-1 assume !false; 742#L305 assume test_~splverifierCounter~0 < 4; 813#L306 test_~tmp~5 := test_#t~nondet22;havoc test_#t~nondet22; 814#L314 assume !(0 != test_~tmp~5); 808#L314-2 test_~tmp___0~2 := test_#t~nondet23;havoc test_#t~nondet23; 819#L324 assume !(0 != test_~tmp___0~2); 671#L324-2 test_~tmp___2~0 := test_#t~nondet24;havoc test_#t~nondet24; 750#L334 assume 0 != test_~tmp___2~0; 687#L340-2 assume { :begin_inline_timeShift } true; 691#L68 assume !(0 != ~pumpRunning~0); 842#L68-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 839#L126 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 793#L100-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 741#L92-3 assume { :end_inline_processEnvironment__wrappee__base } true; 704#L100-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 788#L126-1 assume { :end_inline_processEnvironment } true; 811#L75-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret26, __utac_acc__Specification2_spec__2_#t~ret27, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 802#L945-2 __utac_acc__Specification2_spec__2_#t~ret26 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret26;havoc __utac_acc__Specification2_spec__2_#t~ret26; 800#L378 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 746#L378-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 747#L85 assume { :end_inline_timeShift } true; 712#L304-3 [2018-11-18 14:44:51,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:44:51,633 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 14:44:51,634 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:44:51,634 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:44:51,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:51,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:44:51,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:44:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:44:51,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:44:51,682 INFO L82 PathProgramCache]: Analyzing trace with hash -161655534, now seen corresponding path program 1 times [2018-11-18 14:44:51,682 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:44:51,682 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:44:51,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:51,683 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:44:51,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:44:51,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:44:51,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:44:51,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:44:51,702 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 14:44:51,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:44:51,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:44:51,702 INFO L87 Difference]: Start difference. First operand 240 states and 321 transitions. cyclomatic complexity: 84 Second operand 3 states. [2018-11-18 14:44:51,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:44:51,788 INFO L93 Difference]: Finished difference Result 301 states and 386 transitions. [2018-11-18 14:44:51,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:44:51,789 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 301 states and 386 transitions. [2018-11-18 14:44:51,791 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 215 [2018-11-18 14:44:51,793 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 301 states to 301 states and 386 transitions. [2018-11-18 14:44:51,794 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 301 [2018-11-18 14:44:51,794 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 301 [2018-11-18 14:44:51,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 301 states and 386 transitions. [2018-11-18 14:44:51,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:44:51,795 INFO L705 BuchiCegarLoop]: Abstraction has 301 states and 386 transitions. [2018-11-18 14:44:51,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states and 386 transitions. [2018-11-18 14:44:51,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2018-11-18 14:44:51,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-11-18 14:44:51,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 386 transitions. [2018-11-18 14:44:51,805 INFO L728 BuchiCegarLoop]: Abstraction has 301 states and 386 transitions. [2018-11-18 14:44:51,805 INFO L608 BuchiCegarLoop]: Abstraction has 301 states and 386 transitions. [2018-11-18 14:44:51,805 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 14:44:51,806 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 301 states and 386 transitions. [2018-11-18 14:44:51,807 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 215 [2018-11-18 14:44:51,807 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:44:51,808 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:44:51,809 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:44:51,810 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 14:44:51,810 INFO L794 eck$LassoCheckResult]: Stem: 1385#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 110];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 44];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 80];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 117];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 109];#memory_int := #memory_int[#t~string11.base,4 + #t~string11.offset := 112];#memory_int := #memory_int[#t~string11.base,5 + #t~string11.offset := 58];#memory_int := #memory_int[#t~string11.base,6 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 41];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 32];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 10];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1236#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret28, main_~retValue_acc~4, main_~tmp~7;havoc main_~retValue_acc~4;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 1229#L522 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1230#L515 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 1238#L530 main_#t~ret28 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret28;havoc main_#t~ret28; 1239#L486 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 1241#L459 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1356#L367 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1357#L304-3 [2018-11-18 14:44:51,810 INFO L796 eck$LassoCheckResult]: Loop: 1357#L304-3 assume true; 1290#L304-1 assume !false; 1291#L305 assume test_~splverifierCounter~0 < 4; 1492#L306 test_~tmp~5 := test_#t~nondet22;havoc test_#t~nondet22; 1507#L314 assume !(0 != test_~tmp~5); 1505#L314-2 test_~tmp___0~2 := test_#t~nondet23;havoc test_#t~nondet23; 1409#L324 assume !(0 != test_~tmp___0~2); 1219#L324-2 test_~tmp___2~0 := test_#t~nondet24;havoc test_#t~nondet24; 1299#L334 assume 0 != test_~tmp___2~0; 1234#L340-2 assume { :begin_inline_timeShift } true; 1237#L68 assume !(0 != ~pumpRunning~0); 1414#L68-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 1403#L126 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 1346#L100-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret20, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; 1347#L985-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; 1390#L990-1 isHighWaterLevel_#t~ret20 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret20;havoc isHighWaterLevel_#t~ret20; 1270#L246-3 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~0 := 0; 1262#L246-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 1216#L252-1 processEnvironment__wrappee__highWaterSensor_#t~ret0 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret0;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0; 1217#L104-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1253#L92-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1254#L100-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1342#L126-1 assume { :end_inline_processEnvironment } true; 1398#L75-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret26, __utac_acc__Specification2_spec__2_#t~ret27, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 1499#L945-2 __utac_acc__Specification2_spec__2_#t~ret26 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret26;havoc __utac_acc__Specification2_spec__2_#t~ret26; 1497#L378 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 1494#L378-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1493#L85 assume { :end_inline_timeShift } true; 1357#L304-3 [2018-11-18 14:44:51,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:44:51,811 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 14:44:51,811 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:44:51,811 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:44:51,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:51,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:44:51,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:51,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:44:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:44:51,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:44:51,850 INFO L82 PathProgramCache]: Analyzing trace with hash -299436662, now seen corresponding path program 1 times [2018-11-18 14:44:51,850 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:44:51,850 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:44:51,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:51,852 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:44:51,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:44:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:44:51,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:44:51,863 INFO L82 PathProgramCache]: Analyzing trace with hash 699633907, now seen corresponding path program 1 times [2018-11-18 14:44:51,863 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:44:51,863 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:44:51,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:51,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:44:51,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:44:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:46:07,051 WARN L180 SmtUtils]: Spent 1.25 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 14:46:44,830 WARN L180 SmtUtils]: Spent 37.77 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 14:46:44,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 02:46:44 BoogieIcfgContainer [2018-11-18 14:46:44,923 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 14:46:44,923 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:46:44,923 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:46:44,923 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:46:44,924 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:44:50" (3/4) ... [2018-11-18 14:46:44,927 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 14:46:44,975 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d9c52cff-b3aa-4802-8630-a9fe5aabd708/bin-2019/uautomizer/witness.graphml [2018-11-18 14:46:44,975 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:46:44,976 INFO L168 Benchmark]: Toolchain (without parser) took 115122.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 956.4 MB in the beginning and 757.3 MB in the end (delta: 199.2 MB). Peak memory consumption was 372.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:46:44,976 INFO L168 Benchmark]: CDTParser took 0.17 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 14:46:44,977 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -116.2 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:46:44,977 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:46:44,977 INFO L168 Benchmark]: Boogie Preprocessor took 33.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:46:44,978 INFO L168 Benchmark]: RCFGBuilder took 618.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 989.9 MB in the end (delta: 75.5 MB). Peak memory consumption was 75.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:46:44,978 INFO L168 Benchmark]: BuchiAutomizer took 113991.05 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 86.0 MB). Free memory was 989.9 MB in the beginning and 757.3 MB in the end (delta: 232.6 MB). Peak memory consumption was 318.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:46:44,978 INFO L168 Benchmark]: Witness Printer took 51.99 ms. Allocated memory is still 1.2 GB. Free memory is still 757.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:46:44,980 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 368.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -116.2 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 618.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 989.9 MB in the end (delta: 75.5 MB). Peak memory consumption was 75.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 113991.05 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 86.0 MB). Free memory was 989.9 MB in the beginning and 757.3 MB in the end (delta: 232.6 MB). Peak memory consumption was 318.6 MB. Max. memory is 11.5 GB. * Witness Printer took 51.99 ms. Allocated memory is still 1.2 GB. Free memory is still 757.3 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 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 301 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 113.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 113.5s. 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, 177 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 301 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 490 SDtfs, 1378 SDslu, 1091 SDs, 0 SdLazy, 69 SolverSat, 32 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: 304]: 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 {"Off"=23, NULL=0, "__utac__get_this_argtype"=0, retValue_acc=0, "On"=28, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "OK"=38, ",Pump:"=26, methaneLevelCritical=0, tmp___0=0, tmp=0, ",Meth:"=0, retValue_acc=0, "Env(Water:%i"=0, ",Meth:"=31, tmp___1=0, tmp=0, cleanupTimeShifts=4, retValue_acc=0, "__utac__get_this_arg"=17, "__utac__get_this_arg"=14, ") "=22, NULL=0, systemActive=1, waterLevel=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14ae97f9=0, "libacc.c"=8, "libacc.c"=0, \result=0, "libacc.c"=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=34, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6dbe037b=0, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a95fd7d=0, "libacc.c"=18, "i > 0 && i <= this->argsCount"=12, \result=0, "libacc.c"=15, ")"=37, "\n"=0, "Env(Water:%i"=36, "CRIT"=0, "Off"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c14056=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e05123=167, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72f4cd92=0, "i > 0 && i <= this->argsCount"=0, ") "=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ebeb124=0, \result=1, "i > 0 && i <= this->argsCount"=19, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c8cb18=0, "libacc.c"=33, "OK"=0, tmp=1, ")"=0, "Pump(System:"=29, tmp___0=0, retValue_acc=1, tmp___2=167, tmp___0=0, splverifierCounter=0, "__utac__get_this_argtype"=0, "Off"=0, "On"=0, "Pump(System:"=0, methAndRunningLastTime=0, \result=0, "Off"=27, "CRIT"=39, "__utac__get_this_argtype"=11, tmp=0, head=0, "\n"=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28769ab=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29613e7b=0, "On"=0, ",Pump:"=0, "__utac__get_this_argtype"=35, "On"=24, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=16, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 304]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L206] FCALL "Pump(System:" [L210] FCALL "On" [L214] FCALL "Off" [L218] FCALL ",Pump:" [L222] FCALL "On" [L226] FCALL "Off" [L230] FCALL ") " [L232] FCALL "\n" [L832] FCALL "i > 0 && i <= this->argsCount" [L832] FCALL "libacc.c" [L833] FCALL "__utac__get_this_arg" [L839] FCALL "i > 0 && i <= this->argsCount" [L839] FCALL "libacc.c" [L840] FCALL "__utac__get_this_arg" [L878] FCALL "i > 0 && i <= this->argsCount" [L878] FCALL "libacc.c" [L879] FCALL "__utac__get_this_argtype" [L885] FCALL "i > 0 && i <= this->argsCount" [L885] FCALL "libacc.c" [L886] FCALL "__utac__get_this_argtype" [L954] FCALL "Env(Water:%i" [L955] FCALL ",Meth:" [L959] FCALL "CRIT" [L963] FCALL "OK" [L967] FCALL ")" [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L361] int methAndRunningLastTime ; [L400] int cleanupTimeShifts = 4; [L902] int waterLevel = 1; [L903] int methaneLevelCritical = 0; [L704] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L477] int retValue_acc ; [L478] int tmp ; [L482] FCALL select_helpers() [L483] FCALL select_features() [L484] CALL, EXPR valid_product() [L526] int retValue_acc ; [L529] retValue_acc = 1 [L530] RET return (retValue_acc); [L484] EXPR valid_product() [L484] tmp = valid_product() [L486] COND TRUE \read(tmp) [L488] FCALL setup() [L489] CALL runTest() [L467] CALL __utac_acc__Specification2_spec__1() [L366] RET methAndRunningLastTime = 0 [L467] __utac_acc__Specification2_spec__1() [L468] CALL test() [L295] int splverifierCounter ; [L296] int tmp ; [L297] int tmp___0 ; [L298] int tmp___1 ; [L299] int tmp___2 ; [L302] splverifierCounter = 0 Loop: [L304] COND TRUE 1 [L306] COND TRUE splverifierCounter < 4 [L312] tmp = __VERIFIER_nondet_int() [L314] COND FALSE !(\read(tmp)) [L322] tmp___0 = __VERIFIER_nondet_int() [L324] COND FALSE !(\read(tmp___0)) [L332] tmp___2 = __VERIFIER_nondet_int() [L334] COND TRUE \read(tmp___2) [L349] CALL timeShift() [L68] COND FALSE !(\read(pumpRunning)) [L75] COND TRUE \read(systemActive) [L77] CALL processEnvironment() [L123] int tmp ; [L126] COND FALSE !(\read(pumpRunning)) [L141] CALL processEnvironment__wrappee__highWaterSensor() [L97] int tmp ; [L100] COND TRUE ! pumpRunning [L102] CALL, EXPR isHighWaterLevel() [L238] int retValue_acc ; [L239] int tmp ; [L240] int tmp___0 ; [L244] CALL, EXPR isHighWaterSensorDry() [L982] int retValue_acc ; [L985] COND TRUE waterLevel < 2 [L986] retValue_acc = 1 [L987] RET return (retValue_acc); [L244] EXPR isHighWaterSensorDry() [L244] tmp = isHighWaterSensorDry() [L246] COND TRUE \read(tmp) [L247] tmp___0 = 0 [L251] retValue_acc = tmp___0 [L252] RET return (retValue_acc); [L102] EXPR isHighWaterLevel() [L102] tmp = isHighWaterLevel() [L104] COND FALSE !(\read(tmp)) [L110] RET, FCALL processEnvironment__wrappee__base() [L141] RET processEnvironment__wrappee__highWaterSensor() [L77] processEnvironment() [L83] CALL __utac_acc__Specification2_spec__2() [L371] int tmp ; [L372] int tmp___0 ; [L376] CALL, EXPR isMethaneLevelCritical() [L941] int retValue_acc ; [L944] retValue_acc = methaneLevelCritical [L945] RET return (retValue_acc); [L376] EXPR isMethaneLevelCritical() [L376] tmp = isMethaneLevelCritical() [L378] COND FALSE !(\read(tmp)) [L394] RET methAndRunningLastTime = 0 [L83] RET __utac_acc__Specification2_spec__2() [L349] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...