./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product34_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_29c283e8-ea3e-416a-9da1-871474d8305f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_29c283e8-ea3e-416a-9da1-871474d8305f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_29c283e8-ea3e-416a-9da1-871474d8305f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_29c283e8-ea3e-416a-9da1-871474d8305f/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product34_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_29c283e8-ea3e-416a-9da1-871474d8305f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_29c283e8-ea3e-416a-9da1-871474d8305f/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 f18aab99c70cc7d44332259818cc5069ce850e66 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:39:09,474 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:39:09,476 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:39:09,484 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:39:09,484 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:39:09,484 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:39:09,485 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:39:09,487 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:39:09,488 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:39:09,488 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:39:09,489 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:39:09,489 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:39:09,490 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:39:09,491 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:39:09,491 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:39:09,492 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:39:09,492 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:39:09,494 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:39:09,496 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:39:09,497 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:39:09,497 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:39:09,498 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:39:09,500 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:39:09,500 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:39:09,500 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:39:09,501 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:39:09,502 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:39:09,503 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:39:09,503 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:39:09,504 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:39:09,505 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:39:09,505 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:39:09,505 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:39:09,505 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:39:09,506 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:39:09,506 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:39:09,506 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_29c283e8-ea3e-416a-9da1-871474d8305f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 12:39:09,518 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:39:09,518 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:39:09,519 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:39:09,519 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:39:09,519 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:39:09,519 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 12:39:09,519 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 12:39:09,519 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 12:39:09,519 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 12:39:09,520 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 12:39:09,520 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 12:39:09,520 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:39:09,520 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:39:09,520 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:39:09,520 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:39:09,520 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:39:09,520 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:39:09,520 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 12:39:09,521 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 12:39:09,521 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 12:39:09,521 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:39:09,522 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:39:09,522 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 12:39:09,522 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:39:09,522 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 12:39:09,522 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:39:09,522 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:39:09,522 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 12:39:09,522 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:39:09,523 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:39:09,523 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 12:39:09,523 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 12:39:09,523 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_29c283e8-ea3e-416a-9da1-871474d8305f/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 -> f18aab99c70cc7d44332259818cc5069ce850e66 [2018-11-18 12:39:09,549 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:39:09,558 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:39:09,561 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:39:09,562 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:39:09,562 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:39:09,563 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_29c283e8-ea3e-416a-9da1-871474d8305f/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product34_false-unreach-call_false-termination.cil.c [2018-11-18 12:39:09,602 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_29c283e8-ea3e-416a-9da1-871474d8305f/bin-2019/uautomizer/data/a373a2dc9/aa5b2ac5f1e4426694c5def7edbbe787/FLAGd2fa5448e [2018-11-18 12:39:10,051 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:39:10,052 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_29c283e8-ea3e-416a-9da1-871474d8305f/sv-benchmarks/c/product-lines/minepump_spec2_product34_false-unreach-call_false-termination.cil.c [2018-11-18 12:39:10,059 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_29c283e8-ea3e-416a-9da1-871474d8305f/bin-2019/uautomizer/data/a373a2dc9/aa5b2ac5f1e4426694c5def7edbbe787/FLAGd2fa5448e [2018-11-18 12:39:10,069 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_29c283e8-ea3e-416a-9da1-871474d8305f/bin-2019/uautomizer/data/a373a2dc9/aa5b2ac5f1e4426694c5def7edbbe787 [2018-11-18 12:39:10,072 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:39:10,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:39:10,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:39:10,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:39:10,077 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:39:10,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:39:10" (1/1) ... [2018-11-18 12:39:10,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b86b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:39:10, skipping insertion in model container [2018-11-18 12:39:10,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:39:10" (1/1) ... [2018-11-18 12:39:10,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:39:10,119 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:39:10,299 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:39:10,308 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:39:10,414 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:39:10,434 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:39:10,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:39:10 WrapperNode [2018-11-18 12:39:10,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:39:10,434 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:39:10,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:39:10,435 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:39:10,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:39:10" (1/1) ... [2018-11-18 12:39:10,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:39:10" (1/1) ... [2018-11-18 12:39:10,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:39:10,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:39:10,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:39:10,470 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:39:10,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:39:10" (1/1) ... [2018-11-18 12:39:10,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:39:10" (1/1) ... [2018-11-18 12:39:10,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:39:10" (1/1) ... [2018-11-18 12:39:10,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:39:10" (1/1) ... [2018-11-18 12:39:10,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:39:10" (1/1) ... [2018-11-18 12:39:10,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:39:10" (1/1) ... [2018-11-18 12:39:10,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:39:10" (1/1) ... [2018-11-18 12:39:10,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:39:10,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:39:10,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:39:10,489 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:39:10,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:39:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29c283e8-ea3e-416a-9da1-871474d8305f/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 12:39:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:39:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:39:10,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:39:10,994 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:39:10,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:39:10 BoogieIcfgContainer [2018-11-18 12:39:10,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:39:10,995 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 12:39:10,995 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 12:39:10,997 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 12:39:10,997 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:39:10,998 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 12:39:10" (1/3) ... [2018-11-18 12:39:10,998 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59c9778a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:39:10, skipping insertion in model container [2018-11-18 12:39:10,998 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:39:10,999 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:39:10" (2/3) ... [2018-11-18 12:39:10,999 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59c9778a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:39:10, skipping insertion in model container [2018-11-18 12:39:10,999 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:39:10,999 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:39:10" (3/3) ... [2018-11-18 12:39:11,001 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product34_false-unreach-call_false-termination.cil.c [2018-11-18 12:39:11,044 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:39:11,045 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 12:39:11,045 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 12:39:11,045 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 12:39:11,045 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:39:11,045 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:39:11,046 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 12:39:11,046 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:39:11,046 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 12:39:11,055 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states. [2018-11-18 12:39:11,076 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2018-11-18 12:39:11,077 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:39:11,077 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:39:11,084 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:39:11,084 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:39:11,084 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 12:39:11,084 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states. [2018-11-18 12:39:11,089 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2018-11-18 12:39:11,089 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:39:11,089 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:39:11,089 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:39:11,090 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:39:11,094 INFO L794 eck$LassoCheckResult]: Stem: 86#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(25);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 110];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 44];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 80];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 117];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 109];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 112];#memory_int := #memory_int[#t~string62.base,5 + #t~string62.offset := 58];#memory_int := #memory_int[#t~string62.base,6 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 110];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 41];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 32];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 10];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 100#L316true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 51#L309true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 107#L324true main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 89#L132true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 17#L103true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 93#L261true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 22#L706-3true [2018-11-18 12:39:11,095 INFO L796 eck$LassoCheckResult]: Loop: 22#L706-3true assume true; 19#L706-1true assume !false; 94#L707true assume test_~splverifierCounter~0 < 4; 45#L708true test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 66#L716true assume !(0 != test_~tmp~5); 71#L716-2true test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 111#L726true assume !(0 != test_~tmp___0~1); 97#L726-2true test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 36#L736true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 3#L921true assume { :end_inline_startSystem } true; 40#L744-2true assume { :begin_inline_timeShift } true; 15#L772true assume !(0 != ~pumpRunning~0); 16#L772-2true assume !(0 != ~systemActive~0); 84#L779-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 27#L194true __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 95#L272true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 91#L272-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 5#L789true assume { :end_inline_timeShift } true; 22#L706-3true [2018-11-18 12:39:11,099 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:39:11,099 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 12:39:11,101 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:39:11,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:39:11,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:39:11,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:39:11,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:39:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:39:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:39:11,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:39:11,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1301527033, now seen corresponding path program 1 times [2018-11-18 12:39:11,333 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:39:11,333 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:39:11,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:39:11,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:39:11,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:39:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:11,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:39:11,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:39:11,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:39:11,378 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 12:39:11,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:39:11,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:39:11,388 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 3 states. [2018-11-18 12:39:11,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:39:11,417 INFO L93 Difference]: Finished difference Result 109 states and 141 transitions. [2018-11-18 12:39:11,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:39:11,419 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 109 states and 141 transitions. [2018-11-18 12:39:11,421 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-11-18 12:39:11,424 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 109 states to 99 states and 130 transitions. [2018-11-18 12:39:11,424 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 99 [2018-11-18 12:39:11,425 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 99 [2018-11-18 12:39:11,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 99 states and 130 transitions. [2018-11-18 12:39:11,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:39:11,426 INFO L705 BuchiCegarLoop]: Abstraction has 99 states and 130 transitions. [2018-11-18 12:39:11,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states and 130 transitions. [2018-11-18 12:39:11,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-11-18 12:39:11,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-18 12:39:11,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 130 transitions. [2018-11-18 12:39:11,452 INFO L728 BuchiCegarLoop]: Abstraction has 99 states and 130 transitions. [2018-11-18 12:39:11,453 INFO L608 BuchiCegarLoop]: Abstraction has 99 states and 130 transitions. [2018-11-18 12:39:11,453 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 12:39:11,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 130 transitions. [2018-11-18 12:39:11,454 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-11-18 12:39:11,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:39:11,454 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:39:11,455 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:39:11,455 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] [2018-11-18 12:39:11,455 INFO L794 eck$LassoCheckResult]: Stem: 321#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(25);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 110];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 44];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 80];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 117];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 109];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 112];#memory_int := #memory_int[#t~string62.base,5 + #t~string62.offset := 58];#memory_int := #memory_int[#t~string62.base,6 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 110];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 41];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 32];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 10];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 237#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 238#L316 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 298#L309 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 299#L324 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 323#L132 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 258#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 259#L261 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 236#L706-3 [2018-11-18 12:39:11,455 INFO L796 eck$LassoCheckResult]: Loop: 236#L706-3 assume true; 262#L706-1 assume !false; 263#L707 assume test_~splverifierCounter~0 < 4; 292#L708 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 293#L716 assume !(0 != test_~tmp~5); 261#L716-2 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 313#L726 assume !(0 != test_~tmp___0~1); 325#L726-2 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 286#L736 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 230#L921 assume { :end_inline_startSystem } true; 231#L744-2 assume { :begin_inline_timeShift } true; 254#L772 assume !(0 != ~pumpRunning~0); 256#L772-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 257#L804 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 304#L796-1 assume { :end_inline_processEnvironment__wrappee__base } true; 243#L804-1 assume { :end_inline_processEnvironment } true; 307#L779-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 273#L194 __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 274#L272 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 245#L272-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 235#L789 assume { :end_inline_timeShift } true; 236#L706-3 [2018-11-18 12:39:11,455 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:39:11,455 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 12:39:11,455 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:39:11,456 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:39:11,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:39:11,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:39:11,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:39:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:39:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:39:11,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:39:11,550 INFO L82 PathProgramCache]: Analyzing trace with hash 31082175, now seen corresponding path program 1 times [2018-11-18 12:39:11,550 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:39:11,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:39:11,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:39:11,551 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:39:11,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:39:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:39:11,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:39:11,571 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:39:11,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:39:11,571 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 12:39:11,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:39:11,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:39:11,572 INFO L87 Difference]: Start difference. First operand 99 states and 130 transitions. cyclomatic complexity: 33 Second operand 3 states. [2018-11-18 12:39:11,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:39:11,676 INFO L93 Difference]: Finished difference Result 157 states and 201 transitions. [2018-11-18 12:39:11,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:39:11,677 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 157 states and 201 transitions. [2018-11-18 12:39:11,679 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 112 [2018-11-18 12:39:11,680 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 157 states to 157 states and 201 transitions. [2018-11-18 12:39:11,680 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 157 [2018-11-18 12:39:11,681 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 157 [2018-11-18 12:39:11,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 157 states and 201 transitions. [2018-11-18 12:39:11,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:39:11,682 INFO L705 BuchiCegarLoop]: Abstraction has 157 states and 201 transitions. [2018-11-18 12:39:11,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states and 201 transitions. [2018-11-18 12:39:11,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-11-18 12:39:11,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-11-18 12:39:11,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 201 transitions. [2018-11-18 12:39:11,689 INFO L728 BuchiCegarLoop]: Abstraction has 157 states and 201 transitions. [2018-11-18 12:39:11,689 INFO L608 BuchiCegarLoop]: Abstraction has 157 states and 201 transitions. [2018-11-18 12:39:11,689 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 12:39:11,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states and 201 transitions. [2018-11-18 12:39:11,691 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 112 [2018-11-18 12:39:11,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:39:11,691 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:39:11,692 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:39:11,692 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] [2018-11-18 12:39:11,692 INFO L794 eck$LassoCheckResult]: Stem: 589#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(25);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 110];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 44];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 80];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 117];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 109];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 112];#memory_int := #memory_int[#t~string62.base,5 + #t~string62.offset := 58];#memory_int := #memory_int[#t~string62.base,6 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 110];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 41];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 32];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 10];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 499#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 500#L316 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 558#L309 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 559#L324 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 591#L132 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 518#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 519#L261 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 498#L706-3 [2018-11-18 12:39:11,692 INFO L796 eck$LassoCheckResult]: Loop: 498#L706-3 assume true; 522#L706-1 assume !false; 523#L707 assume test_~splverifierCounter~0 < 4; 551#L708 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 552#L716 assume !(0 != test_~tmp~5); 521#L716-2 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 578#L726 assume !(0 != test_~tmp___0~1); 594#L726-2 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 545#L736 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet52;havoc test_#t~nondet52; 546#L744 assume 0 != test_~tmp___1~0; 493#L744-2 assume { :begin_inline_timeShift } true; 515#L772 assume !(0 != ~pumpRunning~0); 516#L772-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 517#L804 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret71, isHighWaterLevel_~retValue_acc~11, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~11;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~3;havoc isHighWaterSensorDry_~retValue_acc~3; 567#L234 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~3; 588#L239 isHighWaterLevel_#t~ret71 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret71;havoc isHighWaterLevel_#t~ret71; 580#L906 assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~2 := 0; 561#L906-2 isHighWaterLevel_~retValue_acc~11 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~11; 549#L912 processEnvironment_#t~ret53 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~6 := processEnvironment_#t~ret53;havoc processEnvironment_#t~ret53; 507#L808 assume !(0 != processEnvironment_~tmp~6);assume { :begin_inline_processEnvironment__wrappee__base } true; 508#L796 assume { :end_inline_processEnvironment__wrappee__base } true; 564#L804-1 assume { :end_inline_processEnvironment } true; 648#L779-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 647#L194 __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 645#L272 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 642#L272-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 497#L789 assume { :end_inline_timeShift } true; 498#L706-3 [2018-11-18 12:39:11,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:39:11,693 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 12:39:11,693 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:39:11,693 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:39:11,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:39:11,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:39:11,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:39:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:39:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:39:11,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:39:11,759 INFO L82 PathProgramCache]: Analyzing trace with hash -2065629050, now seen corresponding path program 1 times [2018-11-18 12:39:11,760 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:39:11,760 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:39:11,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:39:11,761 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:39:11,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:39:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:39:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:39:11,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:39:11,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1894853635, now seen corresponding path program 1 times [2018-11-18 12:39:11,773 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:39:11,773 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:39:11,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:39:11,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:39:11,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:39:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:39:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:39:11,950 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2018-11-18 12:39:55,429 WARN L180 SmtUtils]: Spent 43.40 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 12:40:14,127 WARN L180 SmtUtils]: Spent 18.69 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 12:40:14,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 12:40:14 BoogieIcfgContainer [2018-11-18 12:40:14,194 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 12:40:14,194 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:40:14,194 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:40:14,195 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:40:14,195 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:39:10" (3/4) ... [2018-11-18 12:40:14,198 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 12:40:14,245 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_29c283e8-ea3e-416a-9da1-871474d8305f/bin-2019/uautomizer/witness.graphml [2018-11-18 12:40:14,245 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:40:14,246 INFO L168 Benchmark]: Toolchain (without parser) took 64173.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 956.6 MB in the beginning and 930.0 MB in the end (delta: 26.6 MB). Peak memory consumption was 198.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:40:14,247 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:40:14,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -165.9 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:40:14,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:40:14,248 INFO L168 Benchmark]: Boogie Preprocessor took 18.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:40:14,248 INFO L168 Benchmark]: RCFGBuilder took 505.44 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:40:14,248 INFO L168 Benchmark]: BuchiAutomizer took 63199.31 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 37.7 MB). Free memory was 1.1 GB in the beginning and 936.1 MB in the end (delta: 115.7 MB). Peak memory consumption was 193.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:40:14,248 INFO L168 Benchmark]: Witness Printer took 50.77 ms. Allocated memory is still 1.2 GB. Free memory was 936.1 MB in the beginning and 930.0 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:40:14,252 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -165.9 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 505.44 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 63199.31 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 37.7 MB). Free memory was 1.1 GB in the beginning and 936.1 MB in the end (delta: 115.7 MB). Peak memory consumption was 193.0 MB. Max. memory is 11.5 GB. * Witness Printer took 50.77 ms. Allocated memory is still 1.2 GB. Free memory was 936.1 MB in the beginning and 930.0 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 157 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 63.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 62.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 157 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 281 SDtfs, 239 SDslu, 77 SDs, 0 SdLazy, 24 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 706]: 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 {retValue_acc=0, NULL=0, "On"=0, ",Pump:"=0, ")"=14, retValue_acc=0, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ede629=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "Off"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@120b63a2=0, "libacc.c"=0, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58d74211=0, "On"=37, "Pump(System:"=26, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4cc083e4=0, "OK"=15, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@467ffffa=166, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e941ea4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f4ffeae=0, "__utac__get_this_arg"=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36064836=0, tmp___0=0, tmp=0, "i > 0 && i <= this->argsCount"=33, ") "=0, "libacc.c"=8, "Off"=0, ") "=19, "Env(Water:%i"=18, tmp___1=166, ",Meth:"=0, "OK"=0, "CRIT"=0, "Env(Water:%i"=0, "libacc.c"=35, cleanupTimeShifts=4, "__utac__get_this_arg"=11, "libacc.c"=31, "libacc.c"=20, NULL=0, systemActive=1, waterLevel=1, "i > 0 && i <= this->argsCount"=0, "On"=24, \result=0, ")"=0, "i > 0 && i <= this->argsCount"=28, "Off"=22, "On"=0, "Pump(System:"=0, ",Meth:"=17, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5295c0df=0, "libacc.c"=0, "Off"=38, "\n"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=36, retValue_acc=1, \result=1, tmp___0=0, retValue_acc=0, tmp=1, tmp___2=0, tmp___0=0, splverifierCounter=0, methAndRunningLastTime=0, \result=0, "CRIT"=16, "\n"=39, head=0, tmp=0, "i > 0 && i <= this->argsCount"=12, "__utac__get_this_arg"=0, tmp=0, "__utac__get_this_argtype"=29, ",Pump:"=23} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 706]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L203] FCALL "Env(Water:%i" [L204] FCALL ",Meth:" [L208] FCALL "CRIT" [L212] FCALL "OK" [L216] FCALL ")" [L626] FCALL "i > 0 && i <= this->argsCount" [L626] FCALL "libacc.c" [L627] FCALL "__utac__get_this_arg" [L633] FCALL "i > 0 && i <= this->argsCount" [L633] FCALL "libacc.c" [L634] FCALL "__utac__get_this_arg" [L672] FCALL "i > 0 && i <= this->argsCount" [L672] FCALL "libacc.c" [L673] FCALL "__utac__get_this_argtype" [L679] FCALL "i > 0 && i <= this->argsCount" [L679] FCALL "libacc.c" [L680] FCALL "__utac__get_this_argtype" [L866] FCALL "Pump(System:" [L870] FCALL "On" [L874] FCALL "Off" [L878] FCALL ",Pump:" [L882] FCALL "On" [L886] FCALL "Off" [L890] FCALL ") " [L892] FCALL "\n" [L40] int cleanupTimeShifts = 4; [L151] int waterLevel = 1; [L152] int methaneLevelCritical = 0; [L255] int methAndRunningLastTime ; [L765] int pumpRunning = 0; [L766] int systemActive = 1; [L498] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L123] int retValue_acc ; [L124] int tmp ; [L128] FCALL select_helpers() [L129] FCALL select_features() [L130] CALL, EXPR valid_product() [L320] int retValue_acc ; [L323] retValue_acc = 1 [L324] RET return (retValue_acc); [L130] EXPR valid_product() [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L134] FCALL setup() [L135] CALL runTest() [L113] CALL __utac_acc__Specification2_spec__1() [L260] RET methAndRunningLastTime = 0 [L113] __utac_acc__Specification2_spec__1() [L114] CALL test() [L697] int splverifierCounter ; [L698] int tmp ; [L699] int tmp___0 ; [L700] int tmp___1 ; [L701] int tmp___2 ; [L704] splverifierCounter = 0 Loop: [L706] COND TRUE 1 [L708] COND TRUE splverifierCounter < 4 [L714] tmp = __VERIFIER_nondet_int() [L716] COND FALSE !(\read(tmp)) [L724] tmp___0 = __VERIFIER_nondet_int() [L726] COND FALSE !(\read(tmp___0)) [L734] tmp___2 = __VERIFIER_nondet_int() [L736] COND FALSE !(\read(tmp___2)) [L742] tmp___1 = __VERIFIER_nondet_int() [L744] COND TRUE \read(tmp___1) [L751] CALL timeShift() [L772] COND FALSE !(\read(pumpRunning)) [L779] COND TRUE \read(systemActive) [L781] CALL processEnvironment() [L801] int tmp ; [L804] COND TRUE ! pumpRunning [L806] CALL, EXPR isHighWaterLevel() [L898] int retValue_acc ; [L899] int tmp ; [L900] int tmp___0 ; [L904] CALL, EXPR isHighWaterSensorDry() [L231] int retValue_acc ; [L234] COND TRUE waterLevel < 2 [L235] retValue_acc = 1 [L236] RET return (retValue_acc); [L904] EXPR isHighWaterSensorDry() [L904] tmp = isHighWaterSensorDry() [L906] COND TRUE \read(tmp) [L907] tmp___0 = 0 [L911] retValue_acc = tmp___0 [L912] RET return (retValue_acc); [L806] EXPR isHighWaterLevel() [L806] tmp = isHighWaterLevel() [L808] COND FALSE !(\read(tmp)) [L814] RET, FCALL processEnvironment__wrappee__base() [L781] processEnvironment() [L787] CALL __utac_acc__Specification2_spec__2() [L265] int tmp ; [L266] int tmp___0 ; [L270] CALL, EXPR isMethaneLevelCritical() [L190] int retValue_acc ; [L193] retValue_acc = methaneLevelCritical [L194] RET return (retValue_acc); [L270] EXPR isMethaneLevelCritical() [L270] tmp = isMethaneLevelCritical() [L272] COND FALSE !(\read(tmp)) [L288] RET methAndRunningLastTime = 0 [L787] RET __utac_acc__Specification2_spec__2() [L751] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...