./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product08_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_b4d7482c-d7c4-4a16-ba3a-bce711301ec9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b4d7482c-d7c4-4a16-ba3a-bce711301ec9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b4d7482c-d7c4-4a16-ba3a-bce711301ec9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b4d7482c-d7c4-4a16-ba3a-bce711301ec9/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product08_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b4d7482c-d7c4-4a16-ba3a-bce711301ec9/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b4d7482c-d7c4-4a16-ba3a-bce711301ec9/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 2898c1a8e6ddf29823b493aba00c6d729c0a21bb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:00:02,989 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:00:02,990 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:00:02,996 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:00:02,996 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:00:02,997 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:00:02,997 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:00:02,999 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:00:03,000 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:00:03,000 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:00:03,001 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:00:03,001 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:00:03,002 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:00:03,002 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:00:03,003 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:00:03,003 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:00:03,004 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:00:03,005 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:00:03,007 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:00:03,008 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:00:03,009 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:00:03,009 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:00:03,011 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:00:03,011 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:00:03,012 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:00:03,012 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:00:03,013 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:00:03,014 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:00:03,014 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:00:03,015 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:00:03,015 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:00:03,015 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:00:03,015 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:00:03,016 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:00:03,016 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:00:03,016 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:00:03,017 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b4d7482c-d7c4-4a16-ba3a-bce711301ec9/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 14:00:03,027 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:00:03,027 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:00:03,028 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:00:03,029 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:00:03,029 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 14:00:03,029 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 14:00:03,029 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 14:00:03,029 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 14:00:03,029 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 14:00:03,029 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 14:00:03,030 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 14:00:03,030 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:00:03,030 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:00:03,030 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 14:00:03,030 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:00:03,031 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:00:03,031 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:00:03,031 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 14:00:03,031 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 14:00:03,031 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 14:00:03,032 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:00:03,032 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:00:03,032 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 14:00:03,032 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:00:03,032 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 14:00:03,032 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:00:03,032 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:00:03,032 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 14:00:03,032 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:00:03,033 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 14:00:03,033 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 14:00:03,033 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 14:00:03,033 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_b4d7482c-d7c4-4a16-ba3a-bce711301ec9/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 -> 2898c1a8e6ddf29823b493aba00c6d729c0a21bb [2018-11-18 14:00:03,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:00:03,063 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:00:03,065 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:00:03,066 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:00:03,066 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:00:03,066 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b4d7482c-d7c4-4a16-ba3a-bce711301ec9/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product08_true-unreach-call_false-termination.cil.c [2018-11-18 14:00:03,101 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4d7482c-d7c4-4a16-ba3a-bce711301ec9/bin-2019/uautomizer/data/9aca0075d/f7812b15816d4f89bd724c9b33360afa/FLAG3a5013ab0 [2018-11-18 14:00:03,436 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:00:03,436 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b4d7482c-d7c4-4a16-ba3a-bce711301ec9/sv-benchmarks/c/product-lines/minepump_spec5_product08_true-unreach-call_false-termination.cil.c [2018-11-18 14:00:03,447 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4d7482c-d7c4-4a16-ba3a-bce711301ec9/bin-2019/uautomizer/data/9aca0075d/f7812b15816d4f89bd724c9b33360afa/FLAG3a5013ab0 [2018-11-18 14:00:03,458 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b4d7482c-d7c4-4a16-ba3a-bce711301ec9/bin-2019/uautomizer/data/9aca0075d/f7812b15816d4f89bd724c9b33360afa [2018-11-18 14:00:03,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:00:03,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:00:03,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:00:03,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:00:03,465 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:00:03,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:00:03" (1/1) ... [2018-11-18 14:00:03,467 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 02:00:03, skipping insertion in model container [2018-11-18 14:00:03,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:00:03" (1/1) ... [2018-11-18 14:00:03,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:00:03,504 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:00:03,695 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:00:03,703 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:00:03,810 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:00:03,828 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:00:03,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:00:03 WrapperNode [2018-11-18 14:00:03,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:00:03,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:00:03,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:00:03,829 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:00:03,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:00:03" (1/1) ... [2018-11-18 14:00:03,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:00:03" (1/1) ... [2018-11-18 14:00:03,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:00:03,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:00:03,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:00:03,873 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:00:03,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:00:03" (1/1) ... [2018-11-18 14:00:03,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:00:03" (1/1) ... [2018-11-18 14:00:03,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:00:03" (1/1) ... [2018-11-18 14:00:03,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:00:03" (1/1) ... [2018-11-18 14:00:03,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:00:03" (1/1) ... [2018-11-18 14:00:03,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:00:03" (1/1) ... [2018-11-18 14:00:03,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:00:03" (1/1) ... [2018-11-18 14:00:03,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:00:03,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:00:03,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:00:03,899 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:00:03,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:00:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4d7482c-d7c4-4a16-ba3a-bce711301ec9/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 14:00:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:00:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:00:03,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:00:04,388 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:00:04,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:00:04 BoogieIcfgContainer [2018-11-18 14:00:04,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:00:04,389 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 14:00:04,389 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 14:00:04,391 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 14:00:04,391 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:00:04,392 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 02:00:03" (1/3) ... [2018-11-18 14:00:04,392 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@120652ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:00:04, skipping insertion in model container [2018-11-18 14:00:04,392 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:00:04,393 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:00:03" (2/3) ... [2018-11-18 14:00:04,393 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@120652ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:00:04, skipping insertion in model container [2018-11-18 14:00:04,393 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:00:04,393 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:00:04" (3/3) ... [2018-11-18 14:00:04,395 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product08_true-unreach-call_false-termination.cil.c [2018-11-18 14:00:04,428 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:00:04,429 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 14:00:04,429 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 14:00:04,429 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 14:00:04,429 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:00:04,429 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:00:04,429 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 14:00:04,429 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:00:04,429 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 14:00:04,439 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states. [2018-11-18 14:00:04,458 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2018-11-18 14:00:04,458 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:00:04,458 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:00:04,465 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:00:04,465 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] [2018-11-18 14:00:04,465 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 14:00:04,465 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states. [2018-11-18 14:00:04,469 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2018-11-18 14:00:04,470 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:00:04,470 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:00:04,470 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:00:04,470 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] [2018-11-18 14:00:04,475 INFO L794 eck$LassoCheckResult]: Stem: 94#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string3.base, #t~string3.offset := #Ultimate.alloc(13);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 79];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 110];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 102];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 102];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 44];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 80];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 117];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 109];#memory_int := #memory_int[#t~string9.base,4 + #t~string9.offset := 112];#memory_int := #memory_int[#t~string9.base,5 + #t~string9.offset := 58];#memory_int := #memory_int[#t~string9.base,6 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 41];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 32];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 10];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);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~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);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~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~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~ret22, main_~retValue_acc~2, main_~tmp~2;havoc main_~retValue_acc~2;havoc main_~tmp~2;assume { :begin_inline_select_helpers } true; 30#L406true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 95#L399true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 36#L414true main_#t~ret22 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~2 := main_#t~ret22;havoc main_#t~ret22; 38#L370true assume 0 != main_~tmp~2;assume { :begin_inline_setup } true; 63#L342true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 83#L427true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 31#L224-3true [2018-11-18 14:00:04,476 INFO L796 eck$LassoCheckResult]: Loop: 31#L224-3true assume true; 48#L224-1true assume !false; 112#L225true assume test_~splverifierCounter~0 < 4; 88#L226true test_~tmp~1 := test_#t~nondet18;havoc test_#t~nondet18; 92#L234true assume !(0 != test_~tmp~1); 84#L234-2true test_~tmp___0~0 := test_#t~nondet19;havoc test_#t~nondet19; 110#L244true assume !(0 != test_~tmp___0~0); 107#L244-2true test_~tmp___2~0 := test_#t~nondet20;havoc test_#t~nondet20; 45#L254true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 51#L207true assume { :end_inline_startSystem } true; 82#L262-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret24;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 33#L147true __utac_acc__Specification5_spec__2_#t~ret24 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret24;havoc __utac_acc__Specification5_spec__2_#t~ret24; 109#L437true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 13#L62true assume !(0 != ~pumpRunning~0); 8#L62-2true assume !(0 != ~systemActive~0); 91#L69-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret25, __utac_acc__Specification5_spec__3_#t~ret26, __utac_acc__Specification5_spec__3_~tmp~3, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~3;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 56#L920true __utac_acc__Specification5_spec__3_#t~ret25 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3 := __utac_acc__Specification5_spec__3_#t~ret25;havoc __utac_acc__Specification5_spec__3_#t~ret25; 108#L448true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3); 111#L448-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 105#L79true assume { :end_inline_timeShift } true; 31#L224-3true [2018-11-18 14:00:04,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:04,480 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 14:00:04,481 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:00:04,481 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:00:04,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:04,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:04,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:00:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:00:04,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:04,644 INFO L82 PathProgramCache]: Analyzing trace with hash 2054946235, now seen corresponding path program 1 times [2018-11-18 14:00:04,644 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:00:04,644 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:00:04,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:04,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:04,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:00:04,682 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 14:00:04,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:00:04,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:00:04,686 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 14:00:04,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:00:04,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:00:04,697 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 3 states. [2018-11-18 14:00:04,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:00:04,756 INFO L93 Difference]: Finished difference Result 210 states and 266 transitions. [2018-11-18 14:00:04,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:00:04,758 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 210 states and 266 transitions. [2018-11-18 14:00:04,762 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 136 [2018-11-18 14:00:04,766 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 210 states to 190 states and 245 transitions. [2018-11-18 14:00:04,766 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 190 [2018-11-18 14:00:04,767 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 190 [2018-11-18 14:00:04,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 190 states and 245 transitions. [2018-11-18 14:00:04,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:00:04,768 INFO L705 BuchiCegarLoop]: Abstraction has 190 states and 245 transitions. [2018-11-18 14:00:04,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states and 245 transitions. [2018-11-18 14:00:04,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 187. [2018-11-18 14:00:04,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-11-18 14:00:04,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 241 transitions. [2018-11-18 14:00:04,791 INFO L728 BuchiCegarLoop]: Abstraction has 187 states and 241 transitions. [2018-11-18 14:00:04,791 INFO L608 BuchiCegarLoop]: Abstraction has 187 states and 241 transitions. [2018-11-18 14:00:04,792 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 14:00:04,792 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 187 states and 241 transitions. [2018-11-18 14:00:04,793 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 133 [2018-11-18 14:00:04,794 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:00:04,794 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:00:04,794 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:00:04,794 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] [2018-11-18 14:00:04,795 INFO L794 eck$LassoCheckResult]: Stem: 426#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string3.base, #t~string3.offset := #Ultimate.alloc(13);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 79];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 110];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 102];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 102];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 44];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 80];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 117];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 109];#memory_int := #memory_int[#t~string9.base,4 + #t~string9.offset := 112];#memory_int := #memory_int[#t~string9.base,5 + #t~string9.offset := 58];#memory_int := #memory_int[#t~string9.base,6 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 41];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 32];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 10];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);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~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);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~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 357#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret22, main_~retValue_acc~2, main_~tmp~2;havoc main_~retValue_acc~2;havoc main_~tmp~2;assume { :begin_inline_select_helpers } true; 358#L406 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 381#L399 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 388#L414 main_#t~ret22 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~2 := main_#t~ret22;havoc main_#t~ret22; 389#L370 assume 0 != main_~tmp~2;assume { :begin_inline_setup } true; 391#L342 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 415#L427 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 382#L224-3 [2018-11-18 14:00:04,795 INFO L796 eck$LassoCheckResult]: Loop: 382#L224-3 assume true; 383#L224-1 assume !false; 403#L225 assume test_~splverifierCounter~0 < 4; 422#L226 test_~tmp~1 := test_#t~nondet18;havoc test_#t~nondet18; 423#L234 assume !(0 != test_~tmp~1); 360#L234-2 test_~tmp___0~0 := test_#t~nondet19;havoc test_#t~nondet19; 421#L244 assume !(0 != test_~tmp___0~0); 425#L244-2 test_~tmp___2~0 := test_#t~nondet20;havoc test_#t~nondet20; 398#L254 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet21;havoc test_#t~nondet21; 400#L262 assume !(0 != test_~tmp___1~0); 404#L262-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret24;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 384#L147 __utac_acc__Specification5_spec__2_#t~ret24 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret24;havoc __utac_acc__Specification5_spec__2_#t~ret24; 385#L437 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 351#L62 assume !(0 != ~pumpRunning~0); 341#L62-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret0, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 342#L94 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 418#L86-1 assume { :end_inline_processEnvironment__wrappee__base } true; 387#L94-1 assume { :end_inline_processEnvironment } true; 416#L69-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret25, __utac_acc__Specification5_spec__3_#t~ret26, __utac_acc__Specification5_spec__3_~tmp~3, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~3;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 406#L920 __utac_acc__Specification5_spec__3_#t~ret25 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3 := __utac_acc__Specification5_spec__3_#t~ret25;havoc __utac_acc__Specification5_spec__3_#t~ret25; 407#L448 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3); 369#L448-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 433#L79 assume { :end_inline_timeShift } true; 382#L224-3 [2018-11-18 14:00:04,795 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:04,795 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 14:00:04,795 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:00:04,795 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:00:04,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:04,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:04,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:00:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:00:04,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:04,850 INFO L82 PathProgramCache]: Analyzing trace with hash 653945246, now seen corresponding path program 1 times [2018-11-18 14:00:04,850 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:00:04,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:00:04,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:04,852 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:00:04,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:04,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:00:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:00:04,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:04,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1477611669, now seen corresponding path program 1 times [2018-11-18 14:00:04,863 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:00:04,863 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:00:04,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:04,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:04,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:00:04,945 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 14:00:04,945 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:00:04,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 14:00:05,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 14:00:05,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:00:05,028 INFO L87 Difference]: Start difference. First operand 187 states and 241 transitions. cyclomatic complexity: 57 Second operand 5 states. [2018-11-18 14:00:05,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:00:05,227 INFO L93 Difference]: Finished difference Result 518 states and 657 transitions. [2018-11-18 14:00:05,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:00:05,228 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 518 states and 657 transitions. [2018-11-18 14:00:05,232 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 254 [2018-11-18 14:00:05,236 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 518 states to 518 states and 657 transitions. [2018-11-18 14:00:05,236 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 518 [2018-11-18 14:00:05,237 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 518 [2018-11-18 14:00:05,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 518 states and 657 transitions. [2018-11-18 14:00:05,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:00:05,239 INFO L705 BuchiCegarLoop]: Abstraction has 518 states and 657 transitions. [2018-11-18 14:00:05,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states and 657 transitions. [2018-11-18 14:00:05,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 358. [2018-11-18 14:00:05,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2018-11-18 14:00:05,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 452 transitions. [2018-11-18 14:00:05,256 INFO L728 BuchiCegarLoop]: Abstraction has 358 states and 452 transitions. [2018-11-18 14:00:05,256 INFO L608 BuchiCegarLoop]: Abstraction has 358 states and 452 transitions. [2018-11-18 14:00:05,256 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 14:00:05,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 358 states and 452 transitions. [2018-11-18 14:00:05,259 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 254 [2018-11-18 14:00:05,259 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:00:05,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:00:05,260 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:00:05,260 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] [2018-11-18 14:00:05,260 INFO L794 eck$LassoCheckResult]: Stem: 1158#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string3.base, #t~string3.offset := #Ultimate.alloc(13);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 79];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 110];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 102];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 102];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 44];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 80];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 117];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 109];#memory_int := #memory_int[#t~string9.base,4 + #t~string9.offset := 112];#memory_int := #memory_int[#t~string9.base,5 + #t~string9.offset := 58];#memory_int := #memory_int[#t~string9.base,6 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 41];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 32];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 10];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);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~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);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~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1077#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret22, main_~retValue_acc~2, main_~tmp~2;havoc main_~retValue_acc~2;havoc main_~tmp~2;assume { :begin_inline_select_helpers } true; 1078#L406 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1101#L399 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 1110#L414 main_#t~ret22 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~2 := main_#t~ret22;havoc main_#t~ret22; 1111#L370 assume 0 != main_~tmp~2;assume { :begin_inline_setup } true; 1113#L342 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1142#L427 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1149#L224-3 [2018-11-18 14:00:05,261 INFO L796 eck$LassoCheckResult]: Loop: 1149#L224-3 assume true; 1356#L224-1 assume !false; 1354#L225 assume test_~splverifierCounter~0 < 4; 1351#L226 test_~tmp~1 := test_#t~nondet18;havoc test_#t~nondet18; 1349#L234 assume !(0 != test_~tmp~1); 1348#L234-2 test_~tmp___0~0 := test_#t~nondet19;havoc test_#t~nondet19; 1346#L244 assume !(0 != test_~tmp___0~0); 1344#L244-2 test_~tmp___2~0 := test_#t~nondet20;havoc test_#t~nondet20; 1343#L254 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1122#L207 assume { :end_inline_startSystem } true; 1127#L262-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret24;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 1340#L147 __utac_acc__Specification5_spec__2_#t~ret24 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret24;havoc __utac_acc__Specification5_spec__2_#t~ret24; 1338#L437 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1335#L62 assume !(0 != ~pumpRunning~0); 1336#L62-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret0, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 1365#L94 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1357#L86-1 assume { :end_inline_processEnvironment__wrappee__base } true; 1355#L94-1 assume { :end_inline_processEnvironment } true; 1353#L69-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret25, __utac_acc__Specification5_spec__3_#t~ret26, __utac_acc__Specification5_spec__3_~tmp~3, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~3;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 1131#L920 __utac_acc__Specification5_spec__3_#t~ret25 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3 := __utac_acc__Specification5_spec__3_#t~ret25;havoc __utac_acc__Specification5_spec__3_#t~ret25; 1132#L448 assume 2 != __utac_acc__Specification5_spec__3_~tmp~3;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 1099#L147-1 __utac_acc__Specification5_spec__3_#t~ret26 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1 := __utac_acc__Specification5_spec__3_#t~ret26;havoc __utac_acc__Specification5_spec__3_#t~ret26; 1100#L452 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1); 1363#L448-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1361#L79 assume { :end_inline_timeShift } true; 1149#L224-3 [2018-11-18 14:00:05,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:05,261 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 14:00:05,261 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:00:05,261 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:00:05,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:05,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:05,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:00:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:00:05,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:05,300 INFO L82 PathProgramCache]: Analyzing trace with hash 838466855, now seen corresponding path program 1 times [2018-11-18 14:00:05,300 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:00:05,300 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:00:05,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:05,301 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:00:05,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:00:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:00:05,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:05,310 INFO L82 PathProgramCache]: Analyzing trace with hash 2107916894, now seen corresponding path program 1 times [2018-11-18 14:00:05,310 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:00:05,310 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:00:05,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:05,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:05,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:00:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:00:05,464 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2018-11-18 14:02:04,025 WARN L180 SmtUtils]: Spent 1.98 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 14:02:49,026 WARN L180 SmtUtils]: Spent 45.00 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 14:02:49,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 02:02:49 BoogieIcfgContainer [2018-11-18 14:02:49,083 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 14:02:49,084 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:02:49,084 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:02:49,085 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:02:49,085 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:00:04" (3/4) ... [2018-11-18 14:02:49,088 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 14:02:49,131 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b4d7482c-d7c4-4a16-ba3a-bce711301ec9/bin-2019/uautomizer/witness.graphml [2018-11-18 14:02:49,131 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:02:49,131 INFO L168 Benchmark]: Toolchain (without parser) took 165670.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.8 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -233.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:02:49,132 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:02:49,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -194.2 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2018-11-18 14:02:49,132 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:02:49,133 INFO L168 Benchmark]: Boogie Preprocessor took 25.63 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 14:02:49,133 INFO L168 Benchmark]: RCFGBuilder took 489.90 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: 67.9 MB). Peak memory consumption was 67.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:02:49,133 INFO L168 Benchmark]: BuchiAutomizer took 164694.78 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -125.6 MB). Peak memory consumption was 313.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:02:49,133 INFO L168 Benchmark]: Witness Printer took 46.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:02:49,135 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -194.2 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.63 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. * RCFGBuilder took 489.90 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: 67.9 MB). Peak memory consumption was 67.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 164694.78 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -125.6 MB). Peak memory consumption was 313.8 MB. Max. memory is 11.5 GB. * Witness Printer took 46.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 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 5 locations. The remainder module has 358 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 164.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 164.2s. 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, 163 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 358 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 351 SDtfs, 546 SDslu, 528 SDs, 0 SdLazy, 77 SolverSat, 22 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: 224]: 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 {") "=24, NULL=0, "__utac__get_this_arg"=0, "libacc.c"=15, "Env(Water:%i"=0, "libacc.c"=0, retValue_acc=0, "libacc.c"=22, ")"=40, "i > 0 && i <= this->argsCount"=0, "Off"=29, "Env(Water:%i"=37, "On"=27, "__utac__get_this_argtype"=14, methaneLevelCritical=0, tmp=1, ",Meth:"=0, "OK"=0, "CRIT"=0, tmp___1=0, cleanupTimeShifts=4, tmp=0, switchedOnBeforeTS=0, "__utac__get_this_arg"=17, "i > 0 && i <= this->argsCount"=8, \result=0, "\n"=23, NULL=0, systemActive=1, waterLevel=1, "OK"=39, \result=1, "libacc.c"=35, "libacc.c"=0, "__utac__get_this_arg"=20, "i > 0 && i <= this->argsCount"=0, tmp___0=0, "__utac__get_this_arg"=0, "libacc.c"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7aee6102=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f4ba60=0, head=0, pumpRunning=0, "libacc.c"=18, "i > 0 && i <= this->argsCount"=11, \result=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@553b9f0f=0, tmp=1, ") "=0, "\n"=0, "i > 0 && i <= this->argsCount"=19, retValue_acc=1, "CRIT"=38, ")"=0, retValue_acc=1, "On"=31, tmp___2=154, splverifierCounter=0, "Pump(System:"=0, "__utac__get_this_argtype"=0, ",Pump:"=0, "Off"=0, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78ab2b7a=0, ",Pump:"=28, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70aeb8fb=0, tmp=0, "__utac__get_this_argtype"=36, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@255b1c0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2394a968=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@564306ff=0, head=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4eff7b4e=154, "Pump(System:"=12, "Off"=0, "On"=0, "Off"=26, "i > 0 && i <= this->argsCount"=16, "i > 0 && i <= this->argsCount"=0, ",Meth:"=34} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 224]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L156] FCALL "Pump(System:" [L160] FCALL "On" [L164] FCALL "Off" [L168] FCALL ",Pump:" [L172] FCALL "On" [L176] FCALL "Off" [L180] FCALL ") " [L182] FCALL "\n" [L767] FCALL "i > 0 && i <= this->argsCount" [L767] FCALL "libacc.c" [L768] FCALL "__utac__get_this_arg" [L774] FCALL "i > 0 && i <= this->argsCount" [L774] FCALL "libacc.c" [L775] FCALL "__utac__get_this_arg" [L813] FCALL "i > 0 && i <= this->argsCount" [L813] FCALL "libacc.c" [L814] FCALL "__utac__get_this_argtype" [L820] FCALL "i > 0 && i <= this->argsCount" [L820] FCALL "libacc.c" [L821] FCALL "__utac__get_this_argtype" [L897] FCALL "Env(Water:%i" [L898] FCALL ",Meth:" [L902] FCALL "CRIT" [L906] FCALL "OK" [L910] FCALL ")" [L50] int pumpRunning = 0; [L51] int systemActive = 1; [L283] int cleanupTimeShifts = 4; [L421] int switchedOnBeforeTS ; [L845] int waterLevel = 1; [L846] int methaneLevelCritical = 0; [L639] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L361] int retValue_acc ; [L362] int tmp ; [L366] FCALL select_helpers() [L367] FCALL select_features() [L368] CALL, EXPR valid_product() [L410] int retValue_acc ; [L413] retValue_acc = 1 [L414] RET return (retValue_acc); [L368] EXPR valid_product() [L368] tmp = valid_product() [L370] COND TRUE \read(tmp) [L372] FCALL setup() [L373] CALL runTest() [L351] CALL __utac_acc__Specification5_spec__1() [L426] RET switchedOnBeforeTS = 0 [L351] __utac_acc__Specification5_spec__1() [L352] CALL test() [L215] int splverifierCounter ; [L216] int tmp ; [L217] int tmp___0 ; [L218] int tmp___1 ; [L219] int tmp___2 ; [L222] splverifierCounter = 0 Loop: [L224] COND TRUE 1 [L226] COND TRUE splverifierCounter < 4 [L232] tmp = __VERIFIER_nondet_int() [L234] COND FALSE !(\read(tmp)) [L242] tmp___0 = __VERIFIER_nondet_int() [L244] COND FALSE !(\read(tmp___0)) [L252] tmp___2 = __VERIFIER_nondet_int() [L254] COND TRUE \read(tmp___2) [L256] CALL startSystem() [L206] RET systemActive = 1 [L256] startSystem() [L271] CALL timeShift() [L60] CALL __utac_acc__Specification5_spec__2() [L435] CALL, EXPR isPumpRunning() [L143] int retValue_acc ; [L146] retValue_acc = pumpRunning [L147] RET return (retValue_acc); [L435] EXPR isPumpRunning() [L435] RET switchedOnBeforeTS = isPumpRunning() [L60] __utac_acc__Specification5_spec__2() [L62] COND FALSE !(\read(pumpRunning)) [L69] COND TRUE \read(systemActive) [L71] CALL processEnvironment() [L91] int tmp ; [L94] COND FALSE !(\read(pumpRunning)) [L109] RET, FCALL processEnvironment__wrappee__base() [L71] processEnvironment() [L77] CALL __utac_acc__Specification5_spec__3() [L441] int tmp ; [L442] int tmp___0 ; [L446] CALL, EXPR getWaterLevel() [L916] int retValue_acc ; [L919] retValue_acc = waterLevel [L920] RET return (retValue_acc); [L446] EXPR getWaterLevel() [L446] tmp = getWaterLevel() [L448] COND TRUE tmp != 2 [L450] CALL, EXPR isPumpRunning() [L143] int retValue_acc ; [L146] retValue_acc = pumpRunning [L147] RET return (retValue_acc); [L450] EXPR isPumpRunning() [L450] tmp___0 = isPumpRunning() [L452] COND FALSE, RET !(\read(tmp___0)) [L77] RET __utac_acc__Specification5_spec__3() [L271] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...