./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product36_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8c682f59-ed55-47e3-9557-23fb8722baea/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8c682f59-ed55-47e3-9557-23fb8722baea/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8c682f59-ed55-47e3-9557-23fb8722baea/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8c682f59-ed55-47e3-9557-23fb8722baea/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product36_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8c682f59-ed55-47e3-9557-23fb8722baea/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8c682f59-ed55-47e3-9557-23fb8722baea/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 deeb3c1689cccb41b32be052288e2f3a90dc0e8e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 08:34:37,738 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:34:37,739 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:34:37,747 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:34:37,747 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:34:37,748 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:34:37,749 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:34:37,750 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:34:37,751 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:34:37,752 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:34:37,752 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:34:37,753 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:34:37,753 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:34:37,754 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:34:37,754 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:34:37,755 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:34:37,755 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:34:37,757 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:34:37,758 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:34:37,759 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:34:37,760 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:34:37,761 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:34:37,762 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:34:37,762 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:34:37,763 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:34:37,763 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:34:37,764 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:34:37,765 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:34:37,765 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:34:37,766 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:34:37,766 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:34:37,767 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:34:37,767 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:34:37,767 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:34:37,768 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:34:37,768 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:34:37,768 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8c682f59-ed55-47e3-9557-23fb8722baea/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 08:34:37,779 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:34:37,779 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:34:37,780 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:34:37,781 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:34:37,781 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:34:37,781 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 08:34:37,781 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 08:34:37,781 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 08:34:37,781 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 08:34:37,781 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 08:34:37,781 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 08:34:37,782 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:34:37,782 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:34:37,782 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:34:37,782 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:34:37,782 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:34:37,782 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:34:37,782 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 08:34:37,783 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 08:34:37,783 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 08:34:37,783 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:34:37,783 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:34:37,783 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 08:34:37,783 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:34:37,783 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 08:34:37,783 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:34:37,784 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:34:37,784 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 08:34:37,784 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:34:37,784 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:34:37,784 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 08:34:37,785 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 08:34:37,785 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_8c682f59-ed55-47e3-9557-23fb8722baea/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 -> deeb3c1689cccb41b32be052288e2f3a90dc0e8e [2018-11-18 08:34:37,809 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:34:37,818 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:34:37,820 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:34:37,822 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:34:37,822 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:34:37,823 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8c682f59-ed55-47e3-9557-23fb8722baea/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product36_false-unreach-call_false-termination.cil.c [2018-11-18 08:34:37,864 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c682f59-ed55-47e3-9557-23fb8722baea/bin-2019/uautomizer/data/1fd7db70b/6b38bce531fc442f867fa4420b7bf89c/FLAG8a5a7820b [2018-11-18 08:34:38,327 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:34:38,328 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8c682f59-ed55-47e3-9557-23fb8722baea/sv-benchmarks/c/product-lines/minepump_spec3_product36_false-unreach-call_false-termination.cil.c [2018-11-18 08:34:38,337 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c682f59-ed55-47e3-9557-23fb8722baea/bin-2019/uautomizer/data/1fd7db70b/6b38bce531fc442f867fa4420b7bf89c/FLAG8a5a7820b [2018-11-18 08:34:38,843 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8c682f59-ed55-47e3-9557-23fb8722baea/bin-2019/uautomizer/data/1fd7db70b/6b38bce531fc442f867fa4420b7bf89c [2018-11-18 08:34:38,846 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:34:38,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:34:38,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:38,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:34:38,852 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:34:38,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:38" (1/1) ... [2018-11-18 08:34:38,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@693f32b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:38, skipping insertion in model container [2018-11-18 08:34:38,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:38" (1/1) ... [2018-11-18 08:34:38,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:34:38,893 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:34:39,067 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:39,076 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:34:39,179 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:39,197 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:34:39,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:39 WrapperNode [2018-11-18 08:34:39,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:39,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:39,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:34:39,197 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:34:39,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:39" (1/1) ... [2018-11-18 08:34:39,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:39" (1/1) ... [2018-11-18 08:34:39,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:39,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:34:39,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:34:39,241 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:34:39,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:39" (1/1) ... [2018-11-18 08:34:39,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:39" (1/1) ... [2018-11-18 08:34:39,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:39" (1/1) ... [2018-11-18 08:34:39,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:39" (1/1) ... [2018-11-18 08:34:39,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:39" (1/1) ... [2018-11-18 08:34:39,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:39" (1/1) ... [2018-11-18 08:34:39,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:39" (1/1) ... [2018-11-18 08:34:39,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:34:39,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:34:39,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:34:39,270 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:34:39,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c682f59-ed55-47e3-9557-23fb8722baea/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 08:34:39,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:34:39,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:34:39,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:34:39,788 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:34:39,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:39 BoogieIcfgContainer [2018-11-18 08:34:39,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:34:39,790 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 08:34:39,790 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 08:34:39,792 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 08:34:39,793 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:39,793 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:34:38" (1/3) ... [2018-11-18 08:34:39,794 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2290da19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:34:39, skipping insertion in model container [2018-11-18 08:34:39,794 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:39,794 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:39" (2/3) ... [2018-11-18 08:34:39,795 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2290da19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:34:39, skipping insertion in model container [2018-11-18 08:34:39,795 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:39,795 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:39" (3/3) ... [2018-11-18 08:34:39,796 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product36_false-unreach-call_false-termination.cil.c [2018-11-18 08:34:39,842 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:34:39,843 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 08:34:39,843 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 08:34:39,843 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 08:34:39,843 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:34:39,843 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:34:39,843 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 08:34:39,843 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:34:39,843 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 08:34:39,857 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states. [2018-11-18 08:34:39,882 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 77 [2018-11-18 08:34:39,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:39,882 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:39,890 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:39,890 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:39,890 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 08:34:39,890 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states. [2018-11-18 08:34:39,895 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 77 [2018-11-18 08:34:39,895 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:39,895 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:39,895 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:39,896 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:39,900 INFO L794 eck$LassoCheckResult]: Stem: 87#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(13);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 79];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 110];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 44];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 80];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 117];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 109];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 112];#memory_int := #memory_int[#t~string44.base,5 + #t~string44.offset := 58];#memory_int := #memory_int[#t~string44.base,6 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 110];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 41];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 32];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 10];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(13);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 44];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 77];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 101];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 116];#memory_int := #memory_int[#t~string61.base,4 + #t~string61.offset := 104];#memory_int := #memory_int[#t~string61.base,5 + #t~string61.offset := 58];#memory_int := #memory_int[#t~string61.base,6 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 67];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 82];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 73];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 84];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 75];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 41];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 4#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 65#L890true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 97#L883true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 70#L898true main_#t~ret68 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 71#L854true assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 101#L828true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 15#L615-3true [2018-11-18 08:34:39,900 INFO L796 eck$LassoCheckResult]: Loop: 15#L615-3true assume true; 36#L615-1true assume !false; 100#L616true assume test_~splverifierCounter~0 < 4; 75#L617true test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; 82#L625true assume !(0 != test_~tmp~5); 84#L625-2true test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; 118#L635true assume !(0 != test_~tmp___0~1); 106#L635-2true test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 64#L645true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet57;havoc test_#t~nondet57; 69#L653true assume !(0 != test_~tmp___1~0); 74#L653-2true assume { :begin_inline_timeShift } true; 117#L434true assume !(0 != ~pumpRunning~0); 119#L434-2true assume !(0 != ~systemActive~0); 68#L441-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 91#L718true __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 63#L912true assume 0 != __utac_acc__Specification3_spec__1_~tmp~7; 24#L918-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 92#L451true assume { :end_inline_timeShift } true; 15#L615-3true [2018-11-18 08:34:39,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:39,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 08:34:39,905 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:39,906 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:39,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:39,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:39,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:40,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:40,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1844562733, now seen corresponding path program 1 times [2018-11-18 08:34:40,057 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:40,057 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:40,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:40,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:40,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:40,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:40,071 INFO L82 PathProgramCache]: Analyzing trace with hash -661921385, now seen corresponding path program 1 times [2018-11-18 08:34:40,071 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:40,071 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:40,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:40,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:40,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:40,206 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 08:34:40,208 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:40,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 08:34:40,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:34:40,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:34:40,275 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 6 states. [2018-11-18 08:34:40,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:40,496 INFO L93 Difference]: Finished difference Result 401 states and 520 transitions. [2018-11-18 08:34:40,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 08:34:40,498 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 401 states and 520 transitions. [2018-11-18 08:34:40,505 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 262 [2018-11-18 08:34:40,512 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 401 states to 361 states and 480 transitions. [2018-11-18 08:34:40,513 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 361 [2018-11-18 08:34:40,514 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 361 [2018-11-18 08:34:40,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 361 states and 480 transitions. [2018-11-18 08:34:40,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:40,516 INFO L705 BuchiCegarLoop]: Abstraction has 361 states and 480 transitions. [2018-11-18 08:34:40,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states and 480 transitions. [2018-11-18 08:34:40,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 165. [2018-11-18 08:34:40,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-11-18 08:34:40,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 219 transitions. [2018-11-18 08:34:40,547 INFO L728 BuchiCegarLoop]: Abstraction has 165 states and 219 transitions. [2018-11-18 08:34:40,547 INFO L608 BuchiCegarLoop]: Abstraction has 165 states and 219 transitions. [2018-11-18 08:34:40,547 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 08:34:40,547 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 165 states and 219 transitions. [2018-11-18 08:34:40,549 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 119 [2018-11-18 08:34:40,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:40,549 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:40,550 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:40,550 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:40,550 INFO L794 eck$LassoCheckResult]: Stem: 635#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(13);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 79];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 110];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 44];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 80];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 117];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 109];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 112];#memory_int := #memory_int[#t~string44.base,5 + #t~string44.offset := 58];#memory_int := #memory_int[#t~string44.base,6 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 110];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 41];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 32];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 10];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(13);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 44];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 77];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 101];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 116];#memory_int := #memory_int[#t~string61.base,4 + #t~string61.offset := 104];#memory_int := #memory_int[#t~string61.base,5 + #t~string61.offset := 58];#memory_int := #memory_int[#t~string61.base,6 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 67];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 82];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 73];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 84];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 75];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 41];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 539#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 540#L890 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 618#L883 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 622#L898 main_#t~ret68 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 623#L854 assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 624#L828 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 559#L615-3 [2018-11-18 08:34:40,551 INFO L796 eck$LassoCheckResult]: Loop: 559#L615-3 assume true; 560#L615-1 assume !false; 591#L616 assume test_~splverifierCounter~0 < 4; 627#L617 test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; 628#L625 assume !(0 != test_~tmp~5); 633#L625-2 test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; 634#L635 assume !(0 != test_~tmp___0~1); 631#L635-2 test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 615#L645 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 616#L598 assume { :end_inline_startSystem } true; 621#L653-2 assume { :begin_inline_timeShift } true; 626#L434 assume !(0 != ~pumpRunning~0); 588#L434-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret35, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 611#L466 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 578#L458-1 assume { :end_inline_processEnvironment__wrappee__base } true; 579#L466-1 assume { :end_inline_processEnvironment } true; 612#L441-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 620#L718 __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 614#L912 assume 0 != __utac_acc__Specification3_spec__1_~tmp~7; 572#L918-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 573#L451 assume { :end_inline_timeShift } true; 559#L615-3 [2018-11-18 08:34:40,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:40,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 08:34:40,551 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:40,552 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:40,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:40,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:40,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:40,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:40,593 INFO L82 PathProgramCache]: Analyzing trace with hash -931060876, now seen corresponding path program 1 times [2018-11-18 08:34:40,593 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:40,593 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:40,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:40,594 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:34:40,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:40,611 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 08:34:40,611 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:40,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:40,611 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 08:34:40,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:40,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:40,612 INFO L87 Difference]: Start difference. First operand 165 states and 219 transitions. cyclomatic complexity: 57 Second operand 3 states. [2018-11-18 08:34:40,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:40,670 INFO L93 Difference]: Finished difference Result 221 states and 282 transitions. [2018-11-18 08:34:40,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:40,671 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 221 states and 282 transitions. [2018-11-18 08:34:40,673 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 163 [2018-11-18 08:34:40,674 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 221 states to 221 states and 282 transitions. [2018-11-18 08:34:40,675 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 221 [2018-11-18 08:34:40,675 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 221 [2018-11-18 08:34:40,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 221 states and 282 transitions. [2018-11-18 08:34:40,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:40,676 INFO L705 BuchiCegarLoop]: Abstraction has 221 states and 282 transitions. [2018-11-18 08:34:40,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states and 282 transitions. [2018-11-18 08:34:40,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2018-11-18 08:34:40,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-11-18 08:34:40,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 282 transitions. [2018-11-18 08:34:40,685 INFO L728 BuchiCegarLoop]: Abstraction has 221 states and 282 transitions. [2018-11-18 08:34:40,685 INFO L608 BuchiCegarLoop]: Abstraction has 221 states and 282 transitions. [2018-11-18 08:34:40,685 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 08:34:40,685 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 221 states and 282 transitions. [2018-11-18 08:34:40,686 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 163 [2018-11-18 08:34:40,687 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:40,687 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:40,687 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:40,687 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:40,688 INFO L794 eck$LassoCheckResult]: Stem: 1036#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(13);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 79];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 110];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 44];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 80];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 117];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 109];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 112];#memory_int := #memory_int[#t~string44.base,5 + #t~string44.offset := 58];#memory_int := #memory_int[#t~string44.base,6 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 110];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 41];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 32];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 10];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(13);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 44];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 77];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 101];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 116];#memory_int := #memory_int[#t~string61.base,4 + #t~string61.offset := 104];#memory_int := #memory_int[#t~string61.base,5 + #t~string61.offset := 58];#memory_int := #memory_int[#t~string61.base,6 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 67];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 82];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 73];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 84];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 75];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 41];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 931#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 932#L890 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1016#L883 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 1021#L898 main_#t~ret68 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 1022#L854 assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 1023#L828 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1038#L615-3 [2018-11-18 08:34:40,688 INFO L796 eck$LassoCheckResult]: Loop: 1038#L615-3 assume true; 1117#L615-1 assume !false; 1116#L616 assume test_~splverifierCounter~0 < 4; 1026#L617 test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; 1027#L625 assume !(0 != test_~tmp~5); 1032#L625-2 test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; 1054#L635 assume !(0 != test_~tmp___0~1); 1030#L635-2 test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 1013#L645 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1014#L598 assume { :end_inline_startSystem } true; 1020#L653-2 assume { :begin_inline_timeShift } true; 1123#L434 assume !(0 != ~pumpRunning~0); 1055#L434-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret35, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 1008#L466 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret53, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 999#L758 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 1000#L763 isHighWaterLevel_#t~ret53 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret53;havoc isHighWaterLevel_#t~ret53; 995#L568 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; 996#L568-2 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 936#L574 processEnvironment_#t~ret35 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~3 := processEnvironment_#t~ret35;havoc processEnvironment_#t~ret35; 937#L470 assume !(0 != processEnvironment_~tmp~3);assume { :begin_inline_processEnvironment__wrappee__base } true; 1005#L458 assume { :end_inline_processEnvironment__wrappee__base } true; 1006#L466-1 assume { :end_inline_processEnvironment } true; 1009#L441-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 1122#L718 __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 1011#L912 assume 0 != __utac_acc__Specification3_spec__1_~tmp~7; 967#L918-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 968#L451 assume { :end_inline_timeShift } true; 1038#L615-3 [2018-11-18 08:34:40,688 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:40,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 08:34:40,688 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:40,689 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:40,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:40,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:40,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:40,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:40,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1940354108, now seen corresponding path program 1 times [2018-11-18 08:34:40,721 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:40,721 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:40,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:40,722 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:34:40,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:40,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:40,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1979325448, now seen corresponding path program 1 times [2018-11-18 08:34:40,732 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:40,732 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:40,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:40,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:40,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:40,806 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 08:34:40,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:40,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 08:34:40,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 08:34:40,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 08:34:40,938 INFO L87 Difference]: Start difference. First operand 221 states and 282 transitions. cyclomatic complexity: 64 Second operand 5 states. [2018-11-18 08:34:41,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:41,015 INFO L93 Difference]: Finished difference Result 756 states and 958 transitions. [2018-11-18 08:34:41,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 08:34:41,016 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 756 states and 958 transitions. [2018-11-18 08:34:41,019 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 588 [2018-11-18 08:34:41,022 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 756 states to 756 states and 958 transitions. [2018-11-18 08:34:41,022 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 756 [2018-11-18 08:34:41,022 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 756 [2018-11-18 08:34:41,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 756 states and 958 transitions. [2018-11-18 08:34:41,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:41,025 INFO L705 BuchiCegarLoop]: Abstraction has 756 states and 958 transitions. [2018-11-18 08:34:41,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states and 958 transitions. [2018-11-18 08:34:41,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 435. [2018-11-18 08:34:41,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2018-11-18 08:34:41,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 545 transitions. [2018-11-18 08:34:41,040 INFO L728 BuchiCegarLoop]: Abstraction has 435 states and 545 transitions. [2018-11-18 08:34:41,040 INFO L608 BuchiCegarLoop]: Abstraction has 435 states and 545 transitions. [2018-11-18 08:34:41,040 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 08:34:41,040 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 435 states and 545 transitions. [2018-11-18 08:34:41,043 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 326 [2018-11-18 08:34:41,044 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:41,044 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:41,044 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:41,044 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, 1] [2018-11-18 08:34:41,045 INFO L794 eck$LassoCheckResult]: Stem: 2039#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(13);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 79];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 110];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 44];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 80];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 117];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 109];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 112];#memory_int := #memory_int[#t~string44.base,5 + #t~string44.offset := 58];#memory_int := #memory_int[#t~string44.base,6 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 110];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 41];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 32];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 10];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(13);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 44];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 77];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 101];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 116];#memory_int := #memory_int[#t~string61.base,4 + #t~string61.offset := 104];#memory_int := #memory_int[#t~string61.base,5 + #t~string61.offset := 58];#memory_int := #memory_int[#t~string61.base,6 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 67];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 82];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 73];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 84];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 75];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 41];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1926#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 1927#L890 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2017#L883 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 2021#L898 main_#t~ret68 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 2022#L854 assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 2023#L828 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2047#L615-3 [2018-11-18 08:34:41,045 INFO L796 eck$LassoCheckResult]: Loop: 2047#L615-3 assume true; 2322#L615-1 assume !false; 2320#L616 assume test_~splverifierCounter~0 < 4; 2321#L617 test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; 2336#L625 assume !(0 != test_~tmp~5); 2334#L625-2 test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; 2333#L635 assume !(0 != test_~tmp___0~1); 2331#L635-2 test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 2329#L645 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 2024#L598 assume { :end_inline_startSystem } true; 2025#L653-2 assume { :begin_inline_timeShift } true; 2027#L434 assume !(0 != ~pumpRunning~0); 2059#L434-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret35, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 2243#L466 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret53, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 2276#L758 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 2275#L763 isHighWaterLevel_#t~ret53 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret53;havoc isHighWaterLevel_#t~ret53; 2274#L568 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; 2273#L568-2 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 2269#L574 processEnvironment_#t~ret35 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~3 := processEnvironment_#t~ret35;havoc processEnvironment_#t~ret35; 2056#L470 assume !(0 != processEnvironment_~tmp~3);assume { :begin_inline_processEnvironment__wrappee__base } true; 2057#L458 assume { :end_inline_processEnvironment__wrappee__base } true; 2330#L466-1 assume { :end_inline_processEnvironment } true; 2325#L441-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 2041#L718 __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 2042#L912 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 1954#L750 __utac_acc__Specification3_spec__1_#t~ret71 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 1955#L918 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2); 2324#L918-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 2323#L451 assume { :end_inline_timeShift } true; 2047#L615-3 [2018-11-18 08:34:41,045 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:41,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2018-11-18 08:34:41,045 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:41,045 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:41,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:41,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:41,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:41,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:41,075 INFO L82 PathProgramCache]: Analyzing trace with hash 665743247, now seen corresponding path program 1 times [2018-11-18 08:34:41,075 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:41,075 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:41,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:41,076 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:34:41,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:41,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:41,084 INFO L82 PathProgramCache]: Analyzing trace with hash 540008523, now seen corresponding path program 1 times [2018-11-18 08:34:41,084 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:41,085 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:41,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:41,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:41,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:41,219 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2018-11-18 08:36:16,735 WARN L180 SmtUtils]: Spent 1.59 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 08:37:07,988 WARN L180 SmtUtils]: Spent 51.25 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 08:37:08,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:37:08 BoogieIcfgContainer [2018-11-18 08:37:08,053 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 08:37:08,054 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:37:08,054 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:37:08,054 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:37:08,054 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:39" (3/4) ... [2018-11-18 08:37:08,057 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 08:37:08,103 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8c682f59-ed55-47e3-9557-23fb8722baea/bin-2019/uautomizer/witness.graphml [2018-11-18 08:37:08,103 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:37:08,105 INFO L168 Benchmark]: Toolchain (without parser) took 149257.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 956.6 MB in the beginning and 867.3 MB in the end (delta: 89.3 MB). Peak memory consumption was 219.3 MB. Max. memory is 11.5 GB. [2018-11-18 08:37:08,105 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:37:08,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 08:37:08,106 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:37:08,106 INFO L168 Benchmark]: Boogie Preprocessor took 28.95 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 08:37:08,106 INFO L168 Benchmark]: RCFGBuilder took 519.02 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2018-11-18 08:37:08,106 INFO L168 Benchmark]: BuchiAutomizer took 148263.80 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -17.3 MB). Free memory was 1.1 GB in the beginning and 871.7 MB in the end (delta: 200.6 MB). Peak memory consumption was 200.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:37:08,107 INFO L168 Benchmark]: Witness Printer took 49.69 ms. Allocated memory is still 1.2 GB. Free memory was 871.7 MB in the beginning and 867.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:37:08,108 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 348.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.95 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 519.02 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 148263.80 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -17.3 MB). Free memory was 1.1 GB in the beginning and 871.7 MB in the end (delta: 200.6 MB). Peak memory consumption was 200.4 MB. Max. memory is 11.5 GB. * Witness Printer took 49.69 ms. Allocated memory is still 1.2 GB. Free memory was 871.7 MB in the beginning and 867.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 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 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 435 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 148.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 147.6s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 517 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 435 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 513 SDtfs, 1306 SDslu, 1764 SDs, 0 SdLazy, 119 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc2 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: 615]: 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, "CRIT"=0, "On"=0, "On"=36, "On"=0, ",Pump:"=0, ",Meth:"=0, "CRIT"=27, "Pump(System:"=29, "Off"=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@427cd7a8=0, methaneLevelCritical=0, retValue_acc=1, tmp___0=0, retValue_acc=0, "OK"=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@502159d3=0, ")"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f4670ac=0, tmp___1=0, "__utac__get_this_argtype"=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a67360e=0, "__utac__get_this_arg"=22, "__utac__get_this_arg"=8, "libacc.c"=19, cleanupTimeShifts=4, "libacc.c"=15, "Off"=38, ") "=34, tmp=0, tmp___0=1, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "Pump(System:"=0, retValue_acc=0, \result=0, ",Pump:"=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10baab72=0, "\n"=0, ") "=0, \result=1, "i > 0 && i <= this->argsCount"=14, head=0, pumpRunning=0, retValue_acc=1, \result=0, "\n"=33, "i > 0 && i <= this->argsCount"=11, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, tmp=1, \result=1, "Off"=35, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c1cb933=0, ")"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1140c401=0, ",Meth:"=28, "libacc.c"=23, tmp=1, retValue_acc=1, tmp___2=164, "i > 0 && i <= this->argsCount"=17, tmp___0=0, splverifierCounter=0, "Env(Water:%i"=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@677932e=0, "Env(Water:%i"=31, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16eba1b3=164, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4cecb65a=0, tmp=0, tmp___1=0, head=0, "libacc.c"=0, "libacc.c"=12, "i > 0 && i <= this->argsCount"=20, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=16, "libacc.c"=0, "libacc.c"=0, "On"=24, "Off"=0, "OK"=26} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 615]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L346] FCALL "i > 0 && i <= this->argsCount" [L346] FCALL "libacc.c" [L347] FCALL "__utac__get_this_arg" [L353] FCALL "i > 0 && i <= this->argsCount" [L353] FCALL "libacc.c" [L354] FCALL "__utac__get_this_arg" [L392] FCALL "i > 0 && i <= this->argsCount" [L392] FCALL "libacc.c" [L393] FCALL "__utac__get_this_argtype" [L399] FCALL "i > 0 && i <= this->argsCount" [L399] FCALL "libacc.c" [L400] FCALL "__utac__get_this_argtype" [L528] FCALL "Pump(System:" [L532] FCALL "On" [L536] FCALL "Off" [L540] FCALL ",Pump:" [L544] FCALL "On" [L548] FCALL "Off" [L552] FCALL ") " [L554] FCALL "\n" [L727] FCALL "Env(Water:%i" [L728] FCALL ",Meth:" [L732] FCALL "CRIT" [L736] FCALL "OK" [L740] FCALL ")" [L426] int pumpRunning = 0; [L427] int systemActive = 1; [L675] int waterLevel = 1; [L676] int methaneLevelCritical = 0; [L769] int cleanupTimeShifts = 4; [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L845] int retValue_acc ; [L846] int tmp ; [L850] FCALL select_helpers() [L851] FCALL select_features() [L852] CALL, EXPR valid_product() [L894] int retValue_acc ; [L897] retValue_acc = 1 [L898] RET return (retValue_acc); [L852] EXPR valid_product() [L852] tmp = valid_product() [L854] COND TRUE \read(tmp) [L856] FCALL setup() [L857] CALL runTest() [L836] CALL test() [L606] int splverifierCounter ; [L607] int tmp ; [L608] int tmp___0 ; [L609] int tmp___1 ; [L610] int tmp___2 ; [L613] splverifierCounter = 0 Loop: [L615] COND TRUE 1 [L617] COND TRUE splverifierCounter < 4 [L623] tmp = __VERIFIER_nondet_int() [L625] COND FALSE !(\read(tmp)) [L633] tmp___0 = __VERIFIER_nondet_int() [L635] COND FALSE !(\read(tmp___0)) [L643] tmp___2 = __VERIFIER_nondet_int() [L645] COND TRUE \read(tmp___2) [L647] CALL startSystem() [L597] RET systemActive = 1 [L647] startSystem() [L662] CALL timeShift() [L434] COND FALSE !(\read(pumpRunning)) [L441] COND TRUE \read(systemActive) [L443] CALL processEnvironment() [L463] int tmp ; [L466] COND TRUE ! pumpRunning [L468] CALL, EXPR isHighWaterLevel() [L560] int retValue_acc ; [L561] int tmp ; [L562] int tmp___0 ; [L566] CALL, EXPR isHighWaterSensorDry() [L755] int retValue_acc ; [L758] COND TRUE waterLevel < 2 [L759] retValue_acc = 1 [L760] RET return (retValue_acc); [L566] EXPR isHighWaterSensorDry() [L566] tmp = isHighWaterSensorDry() [L568] COND TRUE \read(tmp) [L569] tmp___0 = 0 [L573] retValue_acc = tmp___0 [L574] RET return (retValue_acc); [L468] EXPR isHighWaterLevel() [L468] tmp = isHighWaterLevel() [L470] COND FALSE !(\read(tmp)) [L476] RET, FCALL processEnvironment__wrappee__base() [L443] processEnvironment() [L449] CALL __utac_acc__Specification3_spec__1() [L904] int tmp ; [L905] int tmp___0 ; [L906] int tmp___1 ; [L910] CALL, EXPR isMethaneLevelCritical() [L714] int retValue_acc ; [L717] retValue_acc = methaneLevelCritical [L718] RET return (retValue_acc); [L910] EXPR isMethaneLevelCritical() [L910] tmp = isMethaneLevelCritical() [L912] COND FALSE !(\read(tmp)) [L916] CALL, EXPR getWaterLevel() [L746] int retValue_acc ; [L749] retValue_acc = waterLevel [L750] RET return (retValue_acc); [L916] EXPR getWaterLevel() [L916] tmp___0 = getWaterLevel() [L918] COND FALSE, RET !(tmp___0 == 2) [L449] RET __utac_acc__Specification3_spec__1() [L662] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...