./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product39_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_f00527fc-9604-49b5-a0d6-d77b227b66a0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f00527fc-9604-49b5-a0d6-d77b227b66a0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f00527fc-9604-49b5-a0d6-d77b227b66a0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f00527fc-9604-49b5-a0d6-d77b227b66a0/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product39_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f00527fc-9604-49b5-a0d6-d77b227b66a0/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f00527fc-9604-49b5-a0d6-d77b227b66a0/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 9a3c61d639fd43ae1669bec68db6e5c2c107a6dc ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:49:50,063 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:49:50,065 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:49:50,073 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:49:50,074 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:49:50,075 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:49:50,076 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:49:50,077 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:49:50,078 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:49:50,079 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:49:50,079 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:49:50,079 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:49:50,081 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:49:50,082 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:49:50,082 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:49:50,083 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:49:50,084 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:49:50,085 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:49:50,092 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:49:50,093 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:49:50,094 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:49:50,095 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:49:50,100 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:49:50,100 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:49:50,100 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:49:50,101 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:49:50,102 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:49:50,103 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:49:50,103 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:49:50,108 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:49:50,109 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:49:50,110 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:49:50,110 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:49:50,110 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:49:50,111 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:49:50,111 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:49:50,112 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f00527fc-9604-49b5-a0d6-d77b227b66a0/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 16:49:50,124 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:49:50,124 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:49:50,133 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:49:50,133 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:49:50,133 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:49:50,133 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 16:49:50,133 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 16:49:50,133 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 16:49:50,134 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 16:49:50,134 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 16:49:50,134 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 16:49:50,134 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:49:50,134 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:49:50,134 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 16:49:50,134 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:49:50,134 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:49:50,135 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:49:50,135 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 16:49:50,135 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 16:49:50,135 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 16:49:50,135 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:49:50,135 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:49:50,135 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 16:49:50,135 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:49:50,136 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 16:49:50,136 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:49:50,136 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:49:50,136 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 16:49:50,136 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:49:50,136 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:49:50,136 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 16:49:50,138 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 16:49:50,138 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_f00527fc-9604-49b5-a0d6-d77b227b66a0/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 -> 9a3c61d639fd43ae1669bec68db6e5c2c107a6dc [2018-11-18 16:49:50,163 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:49:50,173 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:49:50,177 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:49:50,180 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:49:50,180 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:49:50,181 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f00527fc-9604-49b5-a0d6-d77b227b66a0/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product39_true-unreach-call_false-termination.cil.c [2018-11-18 16:49:50,231 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f00527fc-9604-49b5-a0d6-d77b227b66a0/bin-2019/uautomizer/data/354f781db/b746677cbfdc428fb84f4f37f92007c1/FLAG1621b811e [2018-11-18 16:49:50,671 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:49:50,672 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f00527fc-9604-49b5-a0d6-d77b227b66a0/sv-benchmarks/c/product-lines/minepump_spec2_product39_true-unreach-call_false-termination.cil.c [2018-11-18 16:49:50,682 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f00527fc-9604-49b5-a0d6-d77b227b66a0/bin-2019/uautomizer/data/354f781db/b746677cbfdc428fb84f4f37f92007c1/FLAG1621b811e [2018-11-18 16:49:50,698 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f00527fc-9604-49b5-a0d6-d77b227b66a0/bin-2019/uautomizer/data/354f781db/b746677cbfdc428fb84f4f37f92007c1 [2018-11-18 16:49:50,704 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:49:50,706 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:49:50,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:49:50,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:49:50,711 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:49:50,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:49:50" (1/1) ... [2018-11-18 16:49:50,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@678b8a4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:49:50, skipping insertion in model container [2018-11-18 16:49:50,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:49:50" (1/1) ... [2018-11-18 16:49:50,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:49:50,775 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:49:51,084 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:49:51,104 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:49:51,200 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:49:51,312 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:49:51,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:49:51 WrapperNode [2018-11-18 16:49:51,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:49:51,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:49:51,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:49:51,314 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:49:51,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:49:51" (1/1) ... [2018-11-18 16:49:51,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:49:51" (1/1) ... [2018-11-18 16:49:51,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:49:51,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:49:51,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:49:51,408 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:49:51,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:49:51" (1/1) ... [2018-11-18 16:49:51,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:49:51" (1/1) ... [2018-11-18 16:49:51,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:49:51" (1/1) ... [2018-11-18 16:49:51,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:49:51" (1/1) ... [2018-11-18 16:49:51,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:49:51" (1/1) ... [2018-11-18 16:49:51,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:49:51" (1/1) ... [2018-11-18 16:49:51,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:49:51" (1/1) ... [2018-11-18 16:49:51,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:49:51,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:49:51,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:49:51,497 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:49:51,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:49:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f00527fc-9604-49b5-a0d6-d77b227b66a0/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 16:49:51,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:49:51,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:49:51,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:49:53,124 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:49:53,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:49:53 BoogieIcfgContainer [2018-11-18 16:49:53,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:49:53,126 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 16:49:53,126 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 16:49:53,129 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 16:49:53,130 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:49:53,130 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 04:49:50" (1/3) ... [2018-11-18 16:49:53,131 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ede78bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:49:53, skipping insertion in model container [2018-11-18 16:49:53,132 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:49:53,132 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:49:51" (2/3) ... [2018-11-18 16:49:53,133 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ede78bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:49:53, skipping insertion in model container [2018-11-18 16:49:53,133 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:49:53,133 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:49:53" (3/3) ... [2018-11-18 16:49:53,135 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product39_true-unreach-call_false-termination.cil.c [2018-11-18 16:49:53,179 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:49:53,180 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 16:49:53,180 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 16:49:53,180 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 16:49:53,180 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:49:53,180 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:49:53,181 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 16:49:53,181 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:49:53,181 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 16:49:53,196 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 166 states. [2018-11-18 16:49:53,223 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2018-11-18 16:49:53,224 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:49:53,224 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:49:53,231 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:49:53,231 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:49:53,231 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 16:49:53,231 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 166 states. [2018-11-18 16:49:53,238 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2018-11-18 16:49:53,238 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:49:53,238 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:49:53,239 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:49:53,239 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:49:53,244 INFO L794 eck$LassoCheckResult]: Stem: 119#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(13);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 44];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 80];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 117];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 109];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 112];#memory_int := #memory_int[#t~string27.base,5 + #t~string27.offset := 58];#memory_int := #memory_int[#t~string27.base,6 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 110];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 79];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 41];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 32];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 10];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 145#L580true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 82#L573true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 6#L588true main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 111#L231true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 50#L202true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 114#L253true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 89#L306-3true [2018-11-18 16:49:53,244 INFO L796 eck$LassoCheckResult]: Loop: 89#L306-3true assume true; 85#L306-1true assume !false; 9#L307true assume test_~splverifierCounter~0 < 4; 116#L308true test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 140#L316true assume !(0 != test_~tmp~2); 143#L316-2true test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 30#L326true assume !(0 != test_~tmp___0~1); 15#L326-2true test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 101#L336true assume 0 != test_~tmp___2~0; 48#L342-2true assume { :begin_inline_timeShift } true; 79#L372true assume !(0 != ~pumpRunning~0); 83#L372-2true assume !(0 != ~systemActive~0); 166#L379-1true 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~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 167#L90-1true __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; 115#L264true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 112#L264-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 61#L389true assume { :end_inline_timeShift } true; 89#L306-3true [2018-11-18 16:49:53,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:49:53,249 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 16:49:53,251 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:49:53,252 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:49:53,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:49:53,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:49:53,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:49:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:49:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:49:53,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:49:53,517 INFO L82 PathProgramCache]: Analyzing trace with hash -384171973, now seen corresponding path program 1 times [2018-11-18 16:49:53,517 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:49:53,518 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:49:53,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:49:53,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:49:53,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:49:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:49:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:49:53,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:49:53,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1120113550, now seen corresponding path program 1 times [2018-11-18 16:49:53,540 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:49:53,540 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:49:53,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:49:53,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:49:53,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:49:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:49:53,937 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 16:49:53,939 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:49:53,939 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:49:54,102 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-18 16:49:54,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:49:54,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:49:54,225 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 6 states. [2018-11-18 16:49:55,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:49:55,072 INFO L93 Difference]: Finished difference Result 387 states and 510 transitions. [2018-11-18 16:49:55,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:49:55,075 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 387 states and 510 transitions. [2018-11-18 16:49:55,082 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 251 [2018-11-18 16:49:55,091 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 387 states to 357 states and 480 transitions. [2018-11-18 16:49:55,092 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 357 [2018-11-18 16:49:55,093 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 357 [2018-11-18 16:49:55,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 357 states and 480 transitions. [2018-11-18 16:49:55,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:49:55,096 INFO L705 BuchiCegarLoop]: Abstraction has 357 states and 480 transitions. [2018-11-18 16:49:55,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states and 480 transitions. [2018-11-18 16:49:55,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 210. [2018-11-18 16:49:55,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-11-18 16:49:55,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 282 transitions. [2018-11-18 16:49:55,141 INFO L728 BuchiCegarLoop]: Abstraction has 210 states and 282 transitions. [2018-11-18 16:49:55,146 INFO L608 BuchiCegarLoop]: Abstraction has 210 states and 282 transitions. [2018-11-18 16:49:55,146 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 16:49:55,146 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 210 states and 282 transitions. [2018-11-18 16:49:55,150 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 148 [2018-11-18 16:49:55,150 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:49:55,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:49:55,151 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:49:55,151 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:49:55,152 INFO L794 eck$LassoCheckResult]: Stem: 710#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(13);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 44];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 80];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 117];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 109];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 112];#memory_int := #memory_int[#t~string27.base,5 + #t~string27.offset := 58];#memory_int := #memory_int[#t~string27.base,6 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 110];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 79];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 41];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 32];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 10];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 579#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 580#L580 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 691#L573 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 577#L588 main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 578#L231 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 649#L202 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 650#L253 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 661#L306-3 [2018-11-18 16:49:55,152 INFO L796 eck$LassoCheckResult]: Loop: 661#L306-3 assume true; 694#L306-1 assume !false; 583#L307 assume test_~splverifierCounter~0 < 4; 584#L308 test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 707#L316 assume !(0 != test_~tmp~2); 582#L316-2 test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 619#L326 assume !(0 != test_~tmp___0~1); 593#L326-2 test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 594#L336 assume 0 != test_~tmp___2~0; 644#L342-2 assume { :begin_inline_timeShift } true; 645#L372 assume !(0 != ~pumpRunning~0); 641#L372-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret18, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 667#L430 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret17, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 669#L404-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 708#L396-3 assume { :end_inline_processEnvironment__wrappee__base } true; 709#L404-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 592#L430-1 assume { :end_inline_processEnvironment } true; 674#L379-1 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~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 724#L90-1 __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; 706#L264 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 656#L264-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 660#L389 assume { :end_inline_timeShift } true; 661#L306-3 [2018-11-18 16:49:55,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:49:55,158 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 16:49:55,158 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:49:55,158 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:49:55,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:49:55,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:49:55,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:49:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:49:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:49:55,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:49:55,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1378795738, now seen corresponding path program 1 times [2018-11-18 16:49:55,207 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:49:55,207 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:49:55,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:49:55,209 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:49:55,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:49:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:49:55,265 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 16:49:55,266 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:49:55,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:49:55,266 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 16:49:55,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:49:55,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:49:55,267 INFO L87 Difference]: Start difference. First operand 210 states and 282 transitions. cyclomatic complexity: 75 Second operand 3 states. [2018-11-18 16:49:55,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:49:55,575 INFO L93 Difference]: Finished difference Result 265 states and 341 transitions. [2018-11-18 16:49:55,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:49:55,577 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 265 states and 341 transitions. [2018-11-18 16:49:55,580 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 191 [2018-11-18 16:49:55,582 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 265 states to 265 states and 341 transitions. [2018-11-18 16:49:55,582 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 265 [2018-11-18 16:49:55,582 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 265 [2018-11-18 16:49:55,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 265 states and 341 transitions. [2018-11-18 16:49:55,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:49:55,584 INFO L705 BuchiCegarLoop]: Abstraction has 265 states and 341 transitions. [2018-11-18 16:49:55,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states and 341 transitions. [2018-11-18 16:49:55,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2018-11-18 16:49:55,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-11-18 16:49:55,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 341 transitions. [2018-11-18 16:49:55,601 INFO L728 BuchiCegarLoop]: Abstraction has 265 states and 341 transitions. [2018-11-18 16:49:55,601 INFO L608 BuchiCegarLoop]: Abstraction has 265 states and 341 transitions. [2018-11-18 16:49:55,601 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 16:49:55,601 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 265 states and 341 transitions. [2018-11-18 16:49:55,604 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 191 [2018-11-18 16:49:55,604 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:49:55,606 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:49:55,608 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:49:55,612 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:49:55,612 INFO L794 eck$LassoCheckResult]: Stem: 1195#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(13);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 44];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 80];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 117];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 109];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 112];#memory_int := #memory_int[#t~string27.base,5 + #t~string27.offset := 58];#memory_int := #memory_int[#t~string27.base,6 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 110];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 79];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 41];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 32];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 10];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1060#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 1061#L580 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1172#L573 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 1058#L588 main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 1059#L231 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 1129#L202 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1130#L253 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1142#L306-3 [2018-11-18 16:49:55,613 INFO L796 eck$LassoCheckResult]: Loop: 1142#L306-3 assume true; 1183#L306-1 assume !false; 1064#L307 assume test_~splverifierCounter~0 < 4; 1065#L308 test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 1194#L316 assume !(0 != test_~tmp~2); 1063#L316-2 test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 1100#L326 assume !(0 != test_~tmp___0~1); 1074#L326-2 test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 1075#L336 assume 0 != test_~tmp___2~0; 1127#L342-2 assume { :begin_inline_timeShift } true; 1128#L372 assume !(0 != ~pumpRunning~0); 1168#L372-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret18, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 1147#L430 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret17, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 1148#L404-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret36, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 1173#L130-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 1174#L135-1 isHighWaterLevel_#t~ret36 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret36;havoc isHighWaterLevel_#t~ret36; 1138#L532-3 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~2 := 0; 1139#L532-5 isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; 1076#L538-1 processEnvironment__wrappee__highWaterSensor_#t~ret17 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret17;havoc processEnvironment__wrappee__highWaterSensor_#t~ret17; 1077#L408-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3);assume { :begin_inline_processEnvironment__wrappee__base } true; 1162#L396-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1209#L404-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1073#L430-1 assume { :end_inline_processEnvironment } true; 1155#L379-1 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~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 1292#L90-1 __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; 1287#L264 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 1284#L264-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1141#L389 assume { :end_inline_timeShift } true; 1142#L306-3 [2018-11-18 16:49:55,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:49:55,613 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 16:49:55,613 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:49:55,613 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:49:55,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:49:55,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:49:55,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:49:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:49:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:49:55,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:49:55,701 INFO L82 PathProgramCache]: Analyzing trace with hash 640059518, now seen corresponding path program 1 times [2018-11-18 16:49:55,701 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:49:55,701 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:49:55,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:49:55,702 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:49:55,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:49:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:49:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:49:55,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:49:55,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1639130087, now seen corresponding path program 1 times [2018-11-18 16:49:55,723 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:49:55,723 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:49:55,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:49:55,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:49:55,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:49:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:49:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:49:56,131 WARN L180 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2018-11-18 16:49:56,260 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-11-18 16:52:12,193 WARN L180 SmtUtils]: Spent 2.27 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 16:53:15,777 WARN L180 SmtUtils]: Spent 1.06 m on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 16:53:15,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 04:53:15 BoogieIcfgContainer [2018-11-18 16:53:15,861 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 16:53:15,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:53:15,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:53:15,862 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:53:15,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:49:53" (3/4) ... [2018-11-18 16:53:15,865 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 16:53:15,911 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f00527fc-9604-49b5-a0d6-d77b227b66a0/bin-2019/uautomizer/witness.graphml [2018-11-18 16:53:15,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:53:15,911 INFO L168 Benchmark]: Toolchain (without parser) took 205206.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.0 MB). Free memory was 955.9 MB in the beginning and 987.6 MB in the end (delta: -31.7 MB). Peak memory consumption was 163.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:53:15,912 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:53:15,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 606.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 955.9 MB in the beginning and 1.2 GB in the end (delta: -208.6 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:53:15,913 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.45 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:53:15,913 INFO L168 Benchmark]: Boogie Preprocessor took 88.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:53:15,913 INFO L168 Benchmark]: RCFGBuilder took 1627.99 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: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:53:15,914 INFO L168 Benchmark]: BuchiAutomizer took 202735.81 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 23.6 MB). Free memory was 1.1 GB in the beginning and 993.4 MB in the end (delta: 93.9 MB). Peak memory consumption was 191.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:53:15,914 INFO L168 Benchmark]: Witness Printer took 49.19 ms. Allocated memory is still 1.2 GB. Free memory was 993.4 MB in the beginning and 987.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:53:15,917 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 606.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 955.9 MB in the beginning and 1.2 GB in the end (delta: -208.6 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.45 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1627.99 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: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 202735.81 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 23.6 MB). Free memory was 1.1 GB in the beginning and 993.4 MB in the end (delta: 93.9 MB). Peak memory consumption was 191.9 MB. Max. memory is 11.5 GB. * Witness Printer took 49.19 ms. Allocated memory is still 1.2 GB. Free memory was 993.4 MB in the beginning and 987.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 265 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 202.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 201.3s. Construction of modules took 0.9s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 147 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 265 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 433 SDtfs, 958 SDslu, 1046 SDs, 0 SdLazy, 73 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s 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: 306]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, retValue_acc=0, "Env(Water:%i"=33, retValue_acc=0, "OK"=28, "__utac__get_this_arg"=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55e5388b=0, "i > 0 && i <= this->argsCount"=16, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65c7aa18=0, tmp___0=0, tmp=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@324447ed=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, ") "=18, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7499c09d=0, "i > 0 && i <= this->argsCount"=8, "__utac__get_this_argtype"=0, tmp___1=0, "On"=20, retValue_acc=0, "On"=24, tmp=0, cleanupTimeShifts=4, "Off"=23, "Off"=19, "Off"=0, "On"=0, "Pump(System:"=0, ",Pump:"=0, "On"=0, NULL=0, systemActive=1, waterLevel=1, "libacc.c"=38, "__utac__get_this_arg"=14, \result=0, "libacc.c"=12, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, \result=1, head=0, pumpRunning=0, tmp=1, "libacc.c"=15, \result=0, "Pump(System:"=26, "libacc.c"=35, retValue_acc=1, "__utac__get_this_argtype"=0, "\n"=0, ") "=0, "\n"=17, \result=1, tmp___0=0, "__utac__get_this_argtype"=34, "__utac__get_this_arg"=37, retValue_acc=1, "CRIT"=29, tmp___2=40, tmp=1, tmp___0=0, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, "i > 0 && i <= this->argsCount"=0, ")"=0, "OK"=0, "CRIT"=0, methAndRunningLastTime=0, \result=0, ")"=27, "__utac__get_this_argtype"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c8cfd43=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f09706f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d7e7a68=40, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7870ebda=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c6c9fd7=0, "i > 0 && i <= this->argsCount"=11, head=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43023d61=0, ",Pump:"=22, ",Meth:"=31, "Off"=0, tmp=0, "i > 0 && i <= this->argsCount"=36} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 306]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L99] FCALL "Env(Water:%i" [L100] FCALL ",Meth:" [L104] FCALL "CRIT" [L108] FCALL "OK" [L112] FCALL ")" [L492] FCALL "Pump(System:" [L496] FCALL "On" [L500] FCALL "Off" [L504] FCALL ",Pump:" [L508] FCALL "On" [L512] FCALL "Off" [L516] FCALL ") " [L518] FCALL "\n" [L890] FCALL "i > 0 && i <= this->argsCount" [L890] FCALL "libacc.c" [L891] FCALL "__utac__get_this_arg" [L897] FCALL "i > 0 && i <= this->argsCount" [L897] FCALL "libacc.c" [L898] FCALL "__utac__get_this_arg" [L936] FCALL "i > 0 && i <= this->argsCount" [L936] FCALL "libacc.c" [L937] FCALL "__utac__get_this_argtype" [L943] FCALL "i > 0 && i <= this->argsCount" [L943] FCALL "libacc.c" [L944] FCALL "__utac__get_this_argtype" [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L141] int cleanupTimeShifts = 4; [L247] int methAndRunningLastTime ; [L365] int pumpRunning = 0; [L366] int systemActive = 1; [L762] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L222] int retValue_acc ; [L223] int tmp ; [L227] FCALL select_helpers() [L228] FCALL select_features() [L229] CALL, EXPR valid_product() [L584] int retValue_acc ; [L587] retValue_acc = 1 [L588] RET return (retValue_acc); [L229] EXPR valid_product() [L229] tmp = valid_product() [L231] COND TRUE \read(tmp) [L233] FCALL setup() [L234] CALL runTest() [L212] CALL __utac_acc__Specification2_spec__1() [L252] RET methAndRunningLastTime = 0 [L212] __utac_acc__Specification2_spec__1() [L213] CALL test() [L297] int splverifierCounter ; [L298] int tmp ; [L299] int tmp___0 ; [L300] int tmp___1 ; [L301] int tmp___2 ; [L304] splverifierCounter = 0 Loop: [L306] COND TRUE 1 [L308] COND TRUE splverifierCounter < 4 [L314] tmp = __VERIFIER_nondet_int() [L316] COND FALSE !(\read(tmp)) [L324] tmp___0 = __VERIFIER_nondet_int() [L326] COND FALSE !(\read(tmp___0)) [L334] tmp___2 = __VERIFIER_nondet_int() [L336] COND TRUE \read(tmp___2) [L351] CALL timeShift() [L372] COND FALSE !(\read(pumpRunning)) [L379] COND TRUE \read(systemActive) [L381] CALL processEnvironment() [L427] int tmp ; [L430] COND FALSE !(\read(pumpRunning)) [L445] CALL processEnvironment__wrappee__highWaterSensor() [L401] int tmp ; [L404] COND TRUE ! pumpRunning [L406] CALL, EXPR isHighWaterLevel() [L524] int retValue_acc ; [L525] int tmp ; [L526] int tmp___0 ; [L530] CALL, EXPR isHighWaterSensorDry() [L127] int retValue_acc ; [L130] COND TRUE waterLevel < 2 [L131] retValue_acc = 1 [L132] RET return (retValue_acc); [L530] EXPR isHighWaterSensorDry() [L530] tmp = isHighWaterSensorDry() [L532] COND TRUE \read(tmp) [L533] tmp___0 = 0 [L537] retValue_acc = tmp___0 [L538] RET return (retValue_acc); [L406] EXPR isHighWaterLevel() [L406] tmp = isHighWaterLevel() [L408] COND FALSE !(\read(tmp)) [L414] RET, FCALL processEnvironment__wrappee__base() [L445] RET processEnvironment__wrappee__highWaterSensor() [L381] processEnvironment() [L387] CALL __utac_acc__Specification2_spec__2() [L257] int tmp ; [L258] int tmp___0 ; [L262] CALL, EXPR isMethaneLevelCritical() [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] RET return (retValue_acc); [L262] EXPR isMethaneLevelCritical() [L262] tmp = isMethaneLevelCritical() [L264] COND FALSE !(\read(tmp)) [L280] RET methAndRunningLastTime = 0 [L387] RET __utac_acc__Specification2_spec__2() [L351] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...