./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product59_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6d859e08-071e-4ced-ad65-bb0f816dcd01/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6d859e08-071e-4ced-ad65-bb0f816dcd01/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6d859e08-071e-4ced-ad65-bb0f816dcd01/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6d859e08-071e-4ced-ad65-bb0f816dcd01/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product59_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6d859e08-071e-4ced-ad65-bb0f816dcd01/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6d859e08-071e-4ced-ad65-bb0f816dcd01/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 3e1b0443329a7a45dbd5811d3e88a5ff99628068 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:08:49,738 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:08:49,739 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:08:49,748 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:08:49,748 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:08:49,749 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:08:49,750 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:08:49,751 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:08:49,752 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:08:49,753 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:08:49,753 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:08:49,754 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:08:49,754 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:08:49,755 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:08:49,756 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:08:49,756 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:08:49,757 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:08:49,758 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:08:49,760 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:08:49,761 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:08:49,762 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:08:49,763 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:08:49,765 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:08:49,765 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:08:49,765 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:08:49,766 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:08:49,767 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:08:49,767 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:08:49,768 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:08:49,769 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:08:49,769 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:08:49,769 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:08:49,770 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:08:49,770 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:08:49,771 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:08:49,771 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:08:49,772 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6d859e08-071e-4ced-ad65-bb0f816dcd01/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 13:08:49,783 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:08:49,784 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:08:49,784 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:08:49,785 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:08:49,785 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:08:49,785 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 13:08:49,785 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 13:08:49,785 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 13:08:49,786 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 13:08:49,786 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 13:08:49,786 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 13:08:49,786 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:08:49,786 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:08:49,786 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 13:08:49,786 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:08:49,787 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:08:49,787 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:08:49,787 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 13:08:49,787 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 13:08:49,787 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 13:08:49,788 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:08:49,788 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:08:49,788 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 13:08:49,788 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:08:49,788 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 13:08:49,788 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:08:49,788 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:08:49,789 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 13:08:49,789 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:08:49,789 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:08:49,789 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 13:08:49,790 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 13:08:49,790 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_6d859e08-071e-4ced-ad65-bb0f816dcd01/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 -> 3e1b0443329a7a45dbd5811d3e88a5ff99628068 [2018-11-18 13:08:49,816 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:08:49,825 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:08:49,828 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:08:49,829 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:08:49,830 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:08:49,830 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6d859e08-071e-4ced-ad65-bb0f816dcd01/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product59_true-unreach-call_false-termination.cil.c [2018-11-18 13:08:49,880 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d859e08-071e-4ced-ad65-bb0f816dcd01/bin-2019/uautomizer/data/db0254e9f/9ea59e6f032a43b198374cd7b7145b6d/FLAGf3952a29b [2018-11-18 13:08:50,241 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:08:50,241 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6d859e08-071e-4ced-ad65-bb0f816dcd01/sv-benchmarks/c/product-lines/minepump_spec5_product59_true-unreach-call_false-termination.cil.c [2018-11-18 13:08:50,250 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d859e08-071e-4ced-ad65-bb0f816dcd01/bin-2019/uautomizer/data/db0254e9f/9ea59e6f032a43b198374cd7b7145b6d/FLAGf3952a29b [2018-11-18 13:08:50,259 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6d859e08-071e-4ced-ad65-bb0f816dcd01/bin-2019/uautomizer/data/db0254e9f/9ea59e6f032a43b198374cd7b7145b6d [2018-11-18 13:08:50,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:08:50,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:08:50,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:08:50,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:08:50,268 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:08:50,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:08:50" (1/1) ... [2018-11-18 13:08:50,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb2b19c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:50, skipping insertion in model container [2018-11-18 13:08:50,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:08:50" (1/1) ... [2018-11-18 13:08:50,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:08:50,316 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:08:50,529 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:08:50,539 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:08:50,639 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:08:50,663 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:08:50,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:50 WrapperNode [2018-11-18 13:08:50,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:08:50,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:08:50,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:08:50,664 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:08:50,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:50" (1/1) ... [2018-11-18 13:08:50,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:50" (1/1) ... [2018-11-18 13:08:50,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:08:50,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:08:50,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:08:50,722 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:08:50,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:50" (1/1) ... [2018-11-18 13:08:50,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:50" (1/1) ... [2018-11-18 13:08:50,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:50" (1/1) ... [2018-11-18 13:08:50,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:50" (1/1) ... [2018-11-18 13:08:50,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:50" (1/1) ... [2018-11-18 13:08:50,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:50" (1/1) ... [2018-11-18 13:08:50,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:50" (1/1) ... [2018-11-18 13:08:50,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:08:50,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:08:50,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:08:50,761 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:08:50,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d859e08-071e-4ced-ad65-bb0f816dcd01/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 13:08:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:08:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:08:50,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:08:51,987 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:08:51,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:08:51 BoogieIcfgContainer [2018-11-18 13:08:51,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:08:51,988 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 13:08:51,988 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 13:08:51,991 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 13:08:51,992 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:08:51,992 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 01:08:50" (1/3) ... [2018-11-18 13:08:51,993 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6621f83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:08:51, skipping insertion in model container [2018-11-18 13:08:51,993 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:08:51,993 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:08:50" (2/3) ... [2018-11-18 13:08:51,994 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6621f83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:08:51, skipping insertion in model container [2018-11-18 13:08:51,994 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:08:51,994 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:08:51" (3/3) ... [2018-11-18 13:08:51,995 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product59_true-unreach-call_false-termination.cil.c [2018-11-18 13:08:52,034 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:08:52,034 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 13:08:52,035 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 13:08:52,035 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 13:08:52,035 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:08:52,035 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:08:52,035 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 13:08:52,035 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:08:52,035 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 13:08:52,050 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 202 states. [2018-11-18 13:08:52,076 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 132 [2018-11-18 13:08:52,077 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:08:52,077 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:08:52,086 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:08:52,086 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] [2018-11-18 13:08:52,086 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 13:08:52,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 202 states. [2018-11-18 13:08:52,093 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 132 [2018-11-18 13:08:52,094 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:08:52,094 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:08:52,094 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:08:52,095 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] [2018-11-18 13:08:52,099 INFO L794 eck$LassoCheckResult]: Stem: 58#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(13);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 110];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 44];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 80];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 117];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 109];#memory_int := #memory_int[#t~string25.base,4 + #t~string25.offset := 112];#memory_int := #memory_int[#t~string25.base,5 + #t~string25.offset := 58];#memory_int := #memory_int[#t~string25.base,6 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 79];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 110];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 41];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 32];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 10];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~11, main_~tmp~10;havoc main_~retValue_acc~11;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 16#L1006true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 158#L999true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 116#L1014true main_#t~ret74 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; 118#L970true assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 110#L943true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 5#L841true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 10#L164-3true [2018-11-18 13:08:52,100 INFO L796 eck$LassoCheckResult]: Loop: 10#L164-3true assume true; 14#L164-1true assume !false; 56#L165true assume test_~splverifierCounter~0 < 4; 113#L166true test_~tmp~0 := test_#t~nondet10;havoc test_#t~nondet10; 45#L174true assume !(0 != test_~tmp~0); 38#L174-2true test_~tmp___0~0 := test_#t~nondet11;havoc test_#t~nondet11; 176#L184true assume !(0 != test_~tmp___0~0); 170#L184-2true test_~tmp___2~0 := test_#t~nondet12;havoc test_#t~nondet12; 112#L194true assume 0 != test_~tmp___2~0; 188#L200-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret71;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; 140#L366true __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; 34#L851true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 53#L237true assume !(0 != ~pumpRunning~0); 52#L237-2true assume !(0 != ~systemActive~0); 194#L244-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~9, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~9;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 187#L123true __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; 33#L862true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9); 36#L862-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 117#L254true assume { :end_inline_timeShift } true; 10#L164-3true [2018-11-18 13:08:52,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:08:52,106 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 13:08:52,107 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:08:52,107 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:08:52,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:08:52,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:08:52,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:08:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:08:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:08:52,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:08:52,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1615991331, now seen corresponding path program 1 times [2018-11-18 13:08:52,273 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:08:52,273 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:08:52,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:08:52,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:08:52,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:08:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:08:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:08:52,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:08:52,289 INFO L82 PathProgramCache]: Analyzing trace with hash -186242988, now seen corresponding path program 1 times [2018-11-18 13:08:52,289 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:08:52,289 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:08:52,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:08:52,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:08:52,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:08:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:08:52,444 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 13:08:52,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:08:52,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:08:52,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:08:52,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:08:52,643 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 6 states. [2018-11-18 13:08:52,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:08:52,971 INFO L93 Difference]: Finished difference Result 465 states and 606 transitions. [2018-11-18 13:08:52,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:08:52,987 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 465 states and 606 transitions. [2018-11-18 13:08:52,996 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 303 [2018-11-18 13:08:53,004 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 465 states to 435 states and 576 transitions. [2018-11-18 13:08:53,005 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 435 [2018-11-18 13:08:53,007 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 435 [2018-11-18 13:08:53,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 435 states and 576 transitions. [2018-11-18 13:08:53,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:08:53,010 INFO L705 BuchiCegarLoop]: Abstraction has 435 states and 576 transitions. [2018-11-18 13:08:53,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states and 576 transitions. [2018-11-18 13:08:53,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 252. [2018-11-18 13:08:53,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-11-18 13:08:53,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 333 transitions. [2018-11-18 13:08:53,058 INFO L728 BuchiCegarLoop]: Abstraction has 252 states and 333 transitions. [2018-11-18 13:08:53,059 INFO L608 BuchiCegarLoop]: Abstraction has 252 states and 333 transitions. [2018-11-18 13:08:53,059 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 13:08:53,059 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 252 states and 333 transitions. [2018-11-18 13:08:53,061 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 176 [2018-11-18 13:08:53,061 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:08:53,061 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:08:53,062 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:08:53,062 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] [2018-11-18 13:08:53,062 INFO L794 eck$LassoCheckResult]: Stem: 833#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(13);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 110];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 44];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 80];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 117];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 109];#memory_int := #memory_int[#t~string25.base,4 + #t~string25.offset := 112];#memory_int := #memory_int[#t~string25.base,5 + #t~string25.offset := 58];#memory_int := #memory_int[#t~string25.base,6 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 79];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 110];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 41];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 32];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 10];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 702#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~11, main_~tmp~10;havoc main_~retValue_acc~11;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 703#L1006 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 724#L999 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 744#L1014 main_#t~ret74 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; 745#L970 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 723#L943 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 706#L841 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 707#L164-3 [2018-11-18 13:08:53,062 INFO L796 eck$LassoCheckResult]: Loop: 707#L164-3 assume true; 715#L164-1 assume !false; 720#L165 assume test_~splverifierCounter~0 < 4; 739#L166 test_~tmp~0 := test_#t~nondet10;havoc test_#t~nondet10; 740#L174 assume !(0 != test_~tmp~0); 783#L174-2 test_~tmp___0~0 := test_#t~nondet11;havoc test_#t~nondet11; 784#L184 assume !(0 != test_~tmp___0~0); 751#L184-2 test_~tmp___2~0 := test_#t~nondet12;havoc test_#t~nondet12; 730#L194 assume 0 != test_~tmp___2~0; 731#L200-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret71;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; 822#L366 __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; 776#L851 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 777#L237 assume !(0 != ~pumpRunning~0); 811#L237-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 767#L295 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 768#L269-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 854#L261-3 assume { :end_inline_processEnvironment__wrappee__base } true; 855#L269-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 762#L295-1 assume { :end_inline_processEnvironment } true; 763#L244-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~9, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~9;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 866#L123 __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; 774#L862 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9); 688#L862-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 749#L254 assume { :end_inline_timeShift } true; 707#L164-3 [2018-11-18 13:08:53,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:08:53,063 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 13:08:53,063 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:08:53,063 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:08:53,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:08:53,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:08:53,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:08:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:08:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:08:53,135 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:08:53,135 INFO L82 PathProgramCache]: Analyzing trace with hash 586496852, now seen corresponding path program 1 times [2018-11-18 13:08:53,135 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:08:53,136 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:08:53,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:08:53,136 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:08:53,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:08:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:08:53,200 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 13:08:53,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:08:53,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:08:53,201 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 13:08:53,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:08:53,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:08:53,202 INFO L87 Difference]: Start difference. First operand 252 states and 333 transitions. cyclomatic complexity: 84 Second operand 3 states. [2018-11-18 13:08:53,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:08:53,558 INFO L93 Difference]: Finished difference Result 319 states and 404 transitions. [2018-11-18 13:08:53,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:08:53,559 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 319 states and 404 transitions. [2018-11-18 13:08:53,561 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 227 [2018-11-18 13:08:53,563 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 319 states to 319 states and 404 transitions. [2018-11-18 13:08:53,563 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 319 [2018-11-18 13:08:53,564 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 319 [2018-11-18 13:08:53,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 319 states and 404 transitions. [2018-11-18 13:08:53,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:08:53,566 INFO L705 BuchiCegarLoop]: Abstraction has 319 states and 404 transitions. [2018-11-18 13:08:53,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states and 404 transitions. [2018-11-18 13:08:53,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2018-11-18 13:08:53,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-11-18 13:08:53,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 404 transitions. [2018-11-18 13:08:53,583 INFO L728 BuchiCegarLoop]: Abstraction has 319 states and 404 transitions. [2018-11-18 13:08:53,583 INFO L608 BuchiCegarLoop]: Abstraction has 319 states and 404 transitions. [2018-11-18 13:08:53,583 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 13:08:53,583 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 319 states and 404 transitions. [2018-11-18 13:08:53,585 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 227 [2018-11-18 13:08:53,585 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:08:53,585 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:08:53,586 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:08:53,586 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, 1] [2018-11-18 13:08:53,586 INFO L794 eck$LassoCheckResult]: Stem: 1414#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(13);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 110];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 44];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 80];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 117];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 109];#memory_int := #memory_int[#t~string25.base,4 + #t~string25.offset := 112];#memory_int := #memory_int[#t~string25.base,5 + #t~string25.offset := 58];#memory_int := #memory_int[#t~string25.base,6 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 79];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 110];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 41];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 32];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 10];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1282#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~11, main_~tmp~10;havoc main_~retValue_acc~11;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 1283#L1006 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1303#L999 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 1323#L1014 main_#t~ret74 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; 1324#L970 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 1302#L943 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1284#L841 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1285#L164-3 [2018-11-18 13:08:53,586 INFO L796 eck$LassoCheckResult]: Loop: 1285#L164-3 assume true; 1293#L164-1 assume !false; 1545#L165 assume test_~splverifierCounter~0 < 4; 1318#L166 test_~tmp~0 := test_#t~nondet10;havoc test_#t~nondet10; 1319#L174 assume !(0 != test_~tmp~0); 1359#L174-2 test_~tmp___0~0 := test_#t~nondet11;havoc test_#t~nondet11; 1360#L184 assume !(0 != test_~tmp___0~0); 1433#L184-2 test_~tmp___2~0 := test_#t~nondet12;havoc test_#t~nondet12; 1434#L194 assume 0 != test_~tmp___2~0; 1455#L200-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret71;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; 1402#L366 __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; 1403#L851 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1538#L237 assume !(0 != ~pumpRunning~0); 1389#L237-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1346#L295 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 1347#L269-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret34, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 1296#L131-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 1297#L136-1 isHighWaterLevel_#t~ret34 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret34;havoc isHighWaterLevel_#t~ret34; 1306#L415-3 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 1439#L415-5 isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; 1398#L421-1 processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; 1368#L273-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1370#L261-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1442#L269-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1340#L295-1 assume { :end_inline_processEnvironment } true; 1341#L244-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~9, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~9;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 1454#L123 __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; 1350#L862 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9); 1266#L862-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1328#L254 assume { :end_inline_timeShift } true; 1285#L164-3 [2018-11-18 13:08:53,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:08:53,587 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 13:08:53,587 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:08:53,587 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:08:53,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:08:53,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:08:53,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:08:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:08:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:08:53,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:08:53,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1859959860, now seen corresponding path program 1 times [2018-11-18 13:08:53,629 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:08:53,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:08:53,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:08:53,630 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:08:53,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:08:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:08:53,709 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 13:08:53,710 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:08:53,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:08:53,710 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 13:08:53,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:08:53,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:08:53,711 INFO L87 Difference]: Start difference. First operand 319 states and 404 transitions. cyclomatic complexity: 88 Second operand 5 states. [2018-11-18 13:08:54,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:08:54,365 INFO L93 Difference]: Finished difference Result 891 states and 1108 transitions. [2018-11-18 13:08:54,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:08:54,366 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 891 states and 1108 transitions. [2018-11-18 13:08:54,372 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 589 [2018-11-18 13:08:54,377 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 891 states to 891 states and 1108 transitions. [2018-11-18 13:08:54,377 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 891 [2018-11-18 13:08:54,378 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 891 [2018-11-18 13:08:54,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 891 states and 1108 transitions. [2018-11-18 13:08:54,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:08:54,381 INFO L705 BuchiCegarLoop]: Abstraction has 891 states and 1108 transitions. [2018-11-18 13:08:54,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states and 1108 transitions. [2018-11-18 13:08:54,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 627. [2018-11-18 13:08:54,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2018-11-18 13:08:54,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 779 transitions. [2018-11-18 13:08:54,401 INFO L728 BuchiCegarLoop]: Abstraction has 627 states and 779 transitions. [2018-11-18 13:08:54,402 INFO L608 BuchiCegarLoop]: Abstraction has 627 states and 779 transitions. [2018-11-18 13:08:54,402 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 13:08:54,402 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 627 states and 779 transitions. [2018-11-18 13:08:54,406 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 451 [2018-11-18 13:08:54,407 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:08:54,407 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:08:54,407 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:08:54,407 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, 1, 1, 1] [2018-11-18 13:08:54,408 INFO L794 eck$LassoCheckResult]: Stem: 2650#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(13);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 110];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 44];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 80];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 117];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 109];#memory_int := #memory_int[#t~string25.base,4 + #t~string25.offset := 112];#memory_int := #memory_int[#t~string25.base,5 + #t~string25.offset := 58];#memory_int := #memory_int[#t~string25.base,6 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 79];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 110];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 41];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 32];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 10];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 2510#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~11, main_~tmp~10;havoc main_~retValue_acc~11;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 2511#L1006 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2530#L999 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 2551#L1014 main_#t~ret74 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; 2552#L970 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 2529#L943 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2512#L841 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2513#L164-3 [2018-11-18 13:08:54,408 INFO L796 eck$LassoCheckResult]: Loop: 2513#L164-3 assume true; 2523#L164-1 assume !false; 2528#L165 assume test_~splverifierCounter~0 < 4; 2546#L166 test_~tmp~0 := test_#t~nondet10;havoc test_#t~nondet10; 2547#L174 assume !(0 != test_~tmp~0); 2590#L174-2 test_~tmp___0~0 := test_#t~nondet11;havoc test_#t~nondet11; 2591#L184 assume !(0 != test_~tmp___0~0); 2558#L184-2 test_~tmp___2~0 := test_#t~nondet12;havoc test_#t~nondet12; 2537#L194 assume 0 != test_~tmp___2~0; 2538#L200-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret71;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; 3086#L366 __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; 3070#L851 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 3069#L237 assume !(0 != ~pumpRunning~0); 2625#L237-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 2576#L295 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 2577#L269-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret34, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 2524#L131-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 2525#L136-1 isHighWaterLevel_#t~ret34 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret34;havoc isHighWaterLevel_#t~ret34; 2533#L415-3 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 2673#L415-5 isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; 2635#L421-1 processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; 2603#L273-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2605#L261-2 assume { :end_inline_processEnvironment__wrappee__base } true; 3057#L269-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 3054#L295-1 assume { :end_inline_processEnvironment } true; 2698#L244-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~9, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~9;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 2689#L123 __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; 2581#L862 assume 2 != __utac_acc__Specification5_spec__3_~tmp~9;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; 2582#L366-1 __utac_acc__Specification5_spec__3_#t~ret73 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~3 := __utac_acc__Specification5_spec__3_#t~ret73;havoc __utac_acc__Specification5_spec__3_#t~ret73; 2492#L866 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~3); 2493#L862-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2556#L254 assume { :end_inline_timeShift } true; 2513#L164-3 [2018-11-18 13:08:54,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:08:54,408 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2018-11-18 13:08:54,417 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:08:54,418 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:08:54,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:08:54,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:08:54,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:08:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:08:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:08:54,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:08:54,456 INFO L82 PathProgramCache]: Analyzing trace with hash -734125657, now seen corresponding path program 1 times [2018-11-18 13:08:54,457 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:08:54,457 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:08:54,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:08:54,458 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:08:54,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:08:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:08:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:08:54,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:08:54,471 INFO L82 PathProgramCache]: Analyzing trace with hash -137568112, now seen corresponding path program 1 times [2018-11-18 13:08:54,471 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:08:54,471 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:08:54,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:08:54,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:08:54,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:08:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:08:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:08:54,621 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2018-11-18 13:10:30,065 WARN L180 SmtUtils]: Spent 1.59 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 13:11:12,643 WARN L180 SmtUtils]: Spent 42.57 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 13:11:12,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 01:11:12 BoogieIcfgContainer [2018-11-18 13:11:12,713 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 13:11:12,713 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:11:12,713 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:11:12,714 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:11:12,715 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:08:51" (3/4) ... [2018-11-18 13:11:12,718 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 13:11:12,765 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6d859e08-071e-4ced-ad65-bb0f816dcd01/bin-2019/uautomizer/witness.graphml [2018-11-18 13:11:12,765 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:11:12,766 INFO L168 Benchmark]: Toolchain (without parser) took 142504.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -195.5 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:11:12,767 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:11:12,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -191.2 MB). Peak memory consumption was 36.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:11:12,767 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.77 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:11:12,767 INFO L168 Benchmark]: Boogie Preprocessor took 38.14 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:11:12,768 INFO L168 Benchmark]: RCFGBuilder took 1227.18 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: 84.1 MB). Peak memory consumption was 84.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:11:12,768 INFO L168 Benchmark]: BuchiAutomizer took 140724.58 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -101.5 MB). Peak memory consumption was 318.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:11:12,768 INFO L168 Benchmark]: Witness Printer took 52.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:11:12,770 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 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 400.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -191.2 MB). Peak memory consumption was 36.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.77 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.14 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1227.18 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: 84.1 MB). Peak memory consumption was 84.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 140724.58 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -101.5 MB). Peak memory consumption was 318.5 MB. Max. memory is 11.5 GB. * Witness Printer took 52.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 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 627 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 140.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 139.0s. Construction of modules took 0.9s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 447 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 627 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 888 SDtfs, 2023 SDslu, 2053 SDs, 0 SdLazy, 177 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 164]: 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, "libacc.c"=0, "libacc.c"=14, "Env(Water:%i"=31, "i > 0 && i <= this->argsCount"=0, "OK"=27, "i > 0 && i <= this->argsCount"=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3fafbcd=0, "libacc.c"=35, retValue_acc=1, "__utac__get_this_arg"=11, methaneLevelCritical=0, tmp=1, tmp___0=0, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=0, "\n"=16, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=8, "libacc.c"=0, tmp___1=0, "Off"=18, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@285aa43b=0, "Off"=22, cleanupTimeShifts=4, tmp=0, tmp=0, switchedOnBeforeTS=0, ",Pump:"=20, ") "=17, tmp=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6201b26f=0, ",Pump:"=0, "Off"=0, "On"=0, "On"=0, "Off"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "libacc.c"=37, \result=0, "i > 0 && i <= this->argsCount"=0, tmp___0=0, "libacc.c"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, retValue_acc=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, "i > 0 && i <= this->argsCount"=12, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ec18eae=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d3e3e29=0, "On"=23, "Pump(System:"=0, "i > 0 && i <= this->argsCount"=38, retValue_acc=1, "\n"=0, \result=1, "libacc.c"=39, tmp=1, "CRIT"=28, tmp___2=167, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72e15afe=0, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, "__utac__get_this_arg"=0, ")"=0, "OK"=0, "CRIT"=0, ")"=26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d220cdc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f12ee97=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42656a37=0, "__utac__get_this_arg"=36, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b192f38=167, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6bdd9eac=0, head=0, "Pump(System:"=24, "On"=19, ",Meth:"=29, ") "=0, "i > 0 && i <= this->argsCount"=15, "__utac__get_this_argtype"=33, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 164]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L100] FCALL "Env(Water:%i" [L101] FCALL ",Meth:" [L105] FCALL "CRIT" [L109] FCALL "OK" [L113] FCALL ")" [L375] FCALL "Pump(System:" [L379] FCALL "On" [L383] FCALL "Off" [L387] FCALL ",Pump:" [L391] FCALL "On" [L395] FCALL "Off" [L399] FCALL ") " [L401] FCALL "\n" [L757] FCALL "i > 0 && i <= this->argsCount" [L757] FCALL "libacc.c" [L758] FCALL "__utac__get_this_arg" [L764] FCALL "i > 0 && i <= this->argsCount" [L764] FCALL "libacc.c" [L765] FCALL "__utac__get_this_arg" [L803] FCALL "i > 0 && i <= this->argsCount" [L803] FCALL "libacc.c" [L804] FCALL "__utac__get_this_argtype" [L810] FCALL "i > 0 && i <= this->argsCount" [L810] FCALL "libacc.c" [L811] FCALL "__utac__get_this_argtype" [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L225] int pumpRunning = 0; [L226] int systemActive = 1; [L835] int switchedOnBeforeTS ; [L884] int cleanupTimeShifts = 4; [L629] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L961] int retValue_acc ; [L962] int tmp ; [L966] FCALL select_helpers() [L967] FCALL select_features() [L968] CALL, EXPR valid_product() [L1010] int retValue_acc ; [L1013] retValue_acc = 1 [L1014] RET return (retValue_acc); [L968] EXPR valid_product() [L968] tmp = valid_product() [L970] COND TRUE \read(tmp) [L972] FCALL setup() [L973] CALL runTest() [L951] CALL __utac_acc__Specification5_spec__1() [L840] RET switchedOnBeforeTS = 0 [L951] __utac_acc__Specification5_spec__1() [L952] CALL test() [L155] int splverifierCounter ; [L156] int tmp ; [L157] int tmp___0 ; [L158] int tmp___1 ; [L159] int tmp___2 ; [L162] splverifierCounter = 0 Loop: [L164] COND TRUE 1 [L166] COND TRUE splverifierCounter < 4 [L172] tmp = __VERIFIER_nondet_int() [L174] COND FALSE !(\read(tmp)) [L182] tmp___0 = __VERIFIER_nondet_int() [L184] COND FALSE !(\read(tmp___0)) [L192] tmp___2 = __VERIFIER_nondet_int() [L194] COND TRUE \read(tmp___2) [L209] CALL timeShift() [L235] CALL __utac_acc__Specification5_spec__2() [L849] CALL, EXPR isPumpRunning() [L362] int retValue_acc ; [L365] retValue_acc = pumpRunning [L366] RET return (retValue_acc); [L849] EXPR isPumpRunning() [L849] RET switchedOnBeforeTS = isPumpRunning() [L235] __utac_acc__Specification5_spec__2() [L237] COND FALSE !(\read(pumpRunning)) [L244] COND TRUE \read(systemActive) [L246] CALL processEnvironment() [L292] int tmp ; [L295] COND FALSE !(\read(pumpRunning)) [L310] CALL processEnvironment__wrappee__highWaterSensor() [L266] int tmp ; [L269] COND TRUE ! pumpRunning [L271] CALL, EXPR isHighWaterLevel() [L407] int retValue_acc ; [L408] int tmp ; [L409] int tmp___0 ; [L413] CALL, EXPR isHighWaterSensorDry() [L128] int retValue_acc ; [L131] COND TRUE waterLevel < 2 [L132] retValue_acc = 1 [L133] RET return (retValue_acc); [L413] EXPR isHighWaterSensorDry() [L413] tmp = isHighWaterSensorDry() [L415] COND TRUE \read(tmp) [L416] tmp___0 = 0 [L420] retValue_acc = tmp___0 [L421] RET return (retValue_acc); [L271] EXPR isHighWaterLevel() [L271] tmp = isHighWaterLevel() [L273] COND FALSE !(\read(tmp)) [L279] RET, FCALL processEnvironment__wrappee__base() [L310] RET processEnvironment__wrappee__highWaterSensor() [L246] processEnvironment() [L252] CALL __utac_acc__Specification5_spec__3() [L855] int tmp ; [L856] int tmp___0 ; [L860] CALL, EXPR getWaterLevel() [L119] int retValue_acc ; [L122] retValue_acc = waterLevel [L123] RET return (retValue_acc); [L860] EXPR getWaterLevel() [L860] tmp = getWaterLevel() [L862] COND TRUE tmp != 2 [L864] CALL, EXPR isPumpRunning() [L362] int retValue_acc ; [L365] retValue_acc = pumpRunning [L366] RET return (retValue_acc); [L864] EXPR isPumpRunning() [L864] tmp___0 = isPumpRunning() [L866] COND FALSE, RET !(\read(tmp___0)) [L252] RET __utac_acc__Specification5_spec__3() [L209] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...