./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8df067a2-4b0f-4dbe-8858-7e7f7175ba66/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8df067a2-4b0f-4dbe-8858-7e7f7175ba66/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8df067a2-4b0f-4dbe-8858-7e7f7175ba66/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8df067a2-4b0f-4dbe-8858-7e7f7175ba66/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8df067a2-4b0f-4dbe-8858-7e7f7175ba66/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8df067a2-4b0f-4dbe-8858-7e7f7175ba66/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 06aae21f289bee6dc7cb083e66e9be5f9a234275 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 01:58:54,769 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:58:54,770 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:58:54,777 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:58:54,777 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:58:54,778 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:58:54,779 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:58:54,781 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:58:54,782 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:58:54,782 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:58:54,783 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:58:54,783 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:58:54,784 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:58:54,785 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:58:54,785 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:58:54,786 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:58:54,786 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:58:54,788 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:58:54,789 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:58:54,790 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:58:54,791 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:58:54,792 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:58:54,794 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:58:54,794 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:58:54,794 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:58:54,795 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:58:54,795 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:58:54,796 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:58:54,796 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:58:54,797 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:58:54,797 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:58:54,797 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:58:54,797 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:58:54,797 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:58:54,798 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:58:54,798 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:58:54,799 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8df067a2-4b0f-4dbe-8858-7e7f7175ba66/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 01:58:54,809 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:58:54,809 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:58:54,810 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:58:54,810 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:58:54,810 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 01:58:54,810 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 01:58:54,811 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 01:58:54,811 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 01:58:54,811 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 01:58:54,811 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 01:58:54,811 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 01:58:54,811 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 01:58:54,811 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 01:58:54,812 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:58:54,812 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:58:54,812 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:58:54,812 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:58:54,812 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:58:54,812 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:58:54,813 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:58:54,813 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:58:54,813 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:58:54,813 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:58:54,813 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:58:54,813 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:58:54,813 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:58:54,814 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:58:54,814 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:58:54,814 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:58:54,814 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:58:54,814 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:58:54,814 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:58:54,814 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:58:54,814 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 01:58:54,815 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:58:54,815 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:58:54,815 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 01:58:54,815 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_8df067a2-4b0f-4dbe-8858-7e7f7175ba66/bin-2019/utaipan 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(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> 06aae21f289bee6dc7cb083e66e9be5f9a234275 [2018-11-23 01:58:54,839 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:58:54,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:58:54,852 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:58:54,853 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:58:54,853 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:58:54,854 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8df067a2-4b0f-4dbe-8858-7e7f7175ba66/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c [2018-11-23 01:58:54,901 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8df067a2-4b0f-4dbe-8858-7e7f7175ba66/bin-2019/utaipan/data/2b9ed2c32/86fa0dc54e4846b3907423cab556ebe9/FLAG7f3a84f13 [2018-11-23 01:58:55,258 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:58:55,259 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8df067a2-4b0f-4dbe-8858-7e7f7175ba66/sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c [2018-11-23 01:58:55,266 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8df067a2-4b0f-4dbe-8858-7e7f7175ba66/bin-2019/utaipan/data/2b9ed2c32/86fa0dc54e4846b3907423cab556ebe9/FLAG7f3a84f13 [2018-11-23 01:58:55,277 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8df067a2-4b0f-4dbe-8858-7e7f7175ba66/bin-2019/utaipan/data/2b9ed2c32/86fa0dc54e4846b3907423cab556ebe9 [2018-11-23 01:58:55,279 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:58:55,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:58:55,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:58:55,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:58:55,285 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:58:55,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:58:55" (1/1) ... [2018-11-23 01:58:55,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f50e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:55, skipping insertion in model container [2018-11-23 01:58:55,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:58:55" (1/1) ... [2018-11-23 01:58:55,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:58:55,332 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:58:55,561 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:58:55,572 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:58:55,690 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:58:55,714 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:58:55,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:55 WrapperNode [2018-11-23 01:58:55,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:58:55,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:58:55,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:58:55,716 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:58:55,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:55" (1/1) ... [2018-11-23 01:58:55,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:55" (1/1) ... [2018-11-23 01:58:55,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:58:55,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:58:55,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:58:55,749 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:58:55,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:55" (1/1) ... [2018-11-23 01:58:55,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:55" (1/1) ... [2018-11-23 01:58:55,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:55" (1/1) ... [2018-11-23 01:58:55,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:55" (1/1) ... [2018-11-23 01:58:55,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:55" (1/1) ... [2018-11-23 01:58:55,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:55" (1/1) ... [2018-11-23 01:58:55,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:55" (1/1) ... [2018-11-23 01:58:55,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:58:55,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:58:55,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:58:55,786 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:58:55,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8df067a2-4b0f-4dbe-8858-7e7f7175ba66/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:58:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 01:58:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 01:58:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:58:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:58:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 01:58:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 01:58:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 01:58:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 01:58:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:58:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 01:58:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 01:58:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 01:58:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 01:58:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 01:58:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 01:58:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 01:58:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 01:58:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 01:58:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 01:58:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 01:58:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 01:58:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 01:58:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 01:58:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 01:58:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 01:58:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 01:58:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 01:58:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 01:58:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 01:58:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 01:58:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 01:58:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 01:58:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 01:58:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 01:58:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 01:58:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 01:58:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 01:58:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 01:58:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 01:58:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 01:58:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 01:58:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 01:58:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 01:58:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 01:58:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 01:58:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 01:58:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 01:58:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 01:58:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 01:58:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 01:58:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 01:58:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 01:58:55,837 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 01:58:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 01:58:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:58:55,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:58:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 01:58:55,837 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 01:58:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 01:58:55,838 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 01:58:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:58:55,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:58:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-23 01:58:55,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-23 01:58:56,278 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:58:56,278 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 01:58:56,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:58:56 BoogieIcfgContainer [2018-11-23 01:58:56,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:58:56,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:58:56,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:58:56,282 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:58:56,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:58:55" (1/3) ... [2018-11-23 01:58:56,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74937238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:58:56, skipping insertion in model container [2018-11-23 01:58:56,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:55" (2/3) ... [2018-11-23 01:58:56,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74937238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:58:56, skipping insertion in model container [2018-11-23 01:58:56,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:58:56" (3/3) ... [2018-11-23 01:58:56,285 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product63_true-unreach-call_false-termination.cil.c [2018-11-23 01:58:56,294 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:58:56,301 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 01:58:56,316 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 01:58:56,344 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:58:56,344 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:58:56,344 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:58:56,344 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:58:56,344 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:58:56,344 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:58:56,344 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:58:56,344 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:58:56,360 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2018-11-23 01:58:56,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 01:58:56,369 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:58:56,369 INFO L402 BasicCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:58:56,372 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:58:56,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:58:56,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1088760993, now seen corresponding path program 1 times [2018-11-23 01:58:56,379 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:58:56,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:58:56,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:58:56,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:58:56,413 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:58:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:58:56,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:58:56,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:58:56,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 01:58:56,572 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:58:56,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 01:58:56,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 01:58:56,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 01:58:56,591 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 2 states. [2018-11-23 01:58:56,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:58:56,625 INFO L93 Difference]: Finished difference Result 312 states and 391 transitions. [2018-11-23 01:58:56,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 01:58:56,627 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 01:58:56,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:58:56,638 INFO L225 Difference]: With dead ends: 312 [2018-11-23 01:58:56,638 INFO L226 Difference]: Without dead ends: 156 [2018-11-23 01:58:56,642 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 01:58:56,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-11-23 01:58:56,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-11-23 01:58:56,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-11-23 01:58:56,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 187 transitions. [2018-11-23 01:58:56,688 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 187 transitions. Word has length 46 [2018-11-23 01:58:56,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:58:56,689 INFO L480 AbstractCegarLoop]: Abstraction has 156 states and 187 transitions. [2018-11-23 01:58:56,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 01:58:56,689 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 187 transitions. [2018-11-23 01:58:56,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 01:58:56,692 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:58:56,692 INFO L402 BasicCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:58:56,692 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:58:56,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:58:56,693 INFO L82 PathProgramCache]: Analyzing trace with hash -767274034, now seen corresponding path program 1 times [2018-11-23 01:58:56,693 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:58:56,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:58:56,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:58:56,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:58:56,694 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:58:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:58:56,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:58:56,778 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:58:56,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:58:56,778 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:58:56,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:58:56,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:58:56,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:58:56,780 INFO L87 Difference]: Start difference. First operand 156 states and 187 transitions. Second operand 3 states. [2018-11-23 01:58:56,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:58:56,801 INFO L93 Difference]: Finished difference Result 255 states and 305 transitions. [2018-11-23 01:58:56,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:58:56,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 01:58:56,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:58:56,804 INFO L225 Difference]: With dead ends: 255 [2018-11-23 01:58:56,804 INFO L226 Difference]: Without dead ends: 147 [2018-11-23 01:58:56,805 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:58:56,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-11-23 01:58:56,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-11-23 01:58:56,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-11-23 01:58:56,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 175 transitions. [2018-11-23 01:58:56,818 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 175 transitions. Word has length 47 [2018-11-23 01:58:56,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:58:56,818 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 175 transitions. [2018-11-23 01:58:56,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:58:56,819 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 175 transitions. [2018-11-23 01:58:56,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 01:58:56,820 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:58:56,820 INFO L402 BasicCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:58:56,820 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:58:56,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:58:56,821 INFO L82 PathProgramCache]: Analyzing trace with hash -960889978, now seen corresponding path program 1 times [2018-11-23 01:58:56,821 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:58:56,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:58:56,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:58:56,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:58:56,822 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:58:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:58:56,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:58:56,928 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:58:56,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 01:58:56,928 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:58:56,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:58:56,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:58:56,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:58:56,930 INFO L87 Difference]: Start difference. First operand 147 states and 175 transitions. Second operand 7 states. [2018-11-23 01:58:57,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:58:57,287 INFO L93 Difference]: Finished difference Result 443 states and 543 transitions. [2018-11-23 01:58:57,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:58:57,288 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-23 01:58:57,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:58:57,291 INFO L225 Difference]: With dead ends: 443 [2018-11-23 01:58:57,291 INFO L226 Difference]: Without dead ends: 320 [2018-11-23 01:58:57,292 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:58:57,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-11-23 01:58:57,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 312. [2018-11-23 01:58:57,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2018-11-23 01:58:57,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 382 transitions. [2018-11-23 01:58:57,328 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 382 transitions. Word has length 51 [2018-11-23 01:58:57,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:58:57,329 INFO L480 AbstractCegarLoop]: Abstraction has 312 states and 382 transitions. [2018-11-23 01:58:57,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:58:57,329 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 382 transitions. [2018-11-23 01:58:57,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 01:58:57,332 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:58:57,332 INFO L402 BasicCegarLoop]: trace 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, 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] [2018-11-23 01:58:57,335 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:58:57,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:58:57,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1600438353, now seen corresponding path program 1 times [2018-11-23 01:58:57,335 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:58:57,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:58:57,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:58:57,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:58:57,337 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:58:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:58:57,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:58:57,428 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:58:57,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 01:58:57,429 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:58:57,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:58:57,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:58:57,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:58:57,430 INFO L87 Difference]: Start difference. First operand 312 states and 382 transitions. Second operand 6 states. [2018-11-23 01:58:57,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:58:57,590 INFO L93 Difference]: Finished difference Result 873 states and 1094 transitions. [2018-11-23 01:58:57,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 01:58:57,591 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-11-23 01:58:57,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:58:57,596 INFO L225 Difference]: With dead ends: 873 [2018-11-23 01:58:57,596 INFO L226 Difference]: Without dead ends: 585 [2018-11-23 01:58:57,598 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:58:57,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2018-11-23 01:58:57,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 579. [2018-11-23 01:58:57,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2018-11-23 01:58:57,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 714 transitions. [2018-11-23 01:58:57,658 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 714 transitions. Word has length 57 [2018-11-23 01:58:57,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:58:57,659 INFO L480 AbstractCegarLoop]: Abstraction has 579 states and 714 transitions. [2018-11-23 01:58:57,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:58:57,659 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 714 transitions. [2018-11-23 01:58:57,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 01:58:57,662 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:58:57,662 INFO L402 BasicCegarLoop]: trace 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, 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] [2018-11-23 01:58:57,663 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:58:57,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:58:57,663 INFO L82 PathProgramCache]: Analyzing trace with hash 639771605, now seen corresponding path program 1 times [2018-11-23 01:58:57,663 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:58:57,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:58:57,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:58:57,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:58:57,665 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:58:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:58:57,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:58:57,736 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:58:57,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 01:58:57,737 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:58:57,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:58:57,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:58:57,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:58:57,737 INFO L87 Difference]: Start difference. First operand 579 states and 714 transitions. Second operand 6 states. [2018-11-23 01:58:57,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:58:57,973 INFO L93 Difference]: Finished difference Result 1364 states and 1744 transitions. [2018-11-23 01:58:57,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 01:58:57,973 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-11-23 01:58:57,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:58:57,977 INFO L225 Difference]: With dead ends: 1364 [2018-11-23 01:58:57,977 INFO L226 Difference]: Without dead ends: 809 [2018-11-23 01:58:57,980 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:58:57,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2018-11-23 01:58:58,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 791. [2018-11-23 01:58:58,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2018-11-23 01:58:58,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 967 transitions. [2018-11-23 01:58:58,024 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 967 transitions. Word has length 61 [2018-11-23 01:58:58,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:58:58,025 INFO L480 AbstractCegarLoop]: Abstraction has 791 states and 967 transitions. [2018-11-23 01:58:58,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:58:58,025 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 967 transitions. [2018-11-23 01:58:58,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 01:58:58,027 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:58:58,027 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 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, 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, 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, 1, 1, 1] [2018-11-23 01:58:58,027 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:58:58,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:58:58,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1209946507, now seen corresponding path program 1 times [2018-11-23 01:58:58,028 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:58:58,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:58:58,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:58:58,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:58:58,029 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:58:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:58:58,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:58:58,136 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:58:58,136 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 01:58:58,136 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:58:58,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:58:58,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:58:58,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:58:58,138 INFO L87 Difference]: Start difference. First operand 791 states and 967 transitions. Second operand 6 states. [2018-11-23 01:58:58,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:58:58,209 INFO L93 Difference]: Finished difference Result 1586 states and 2014 transitions. [2018-11-23 01:58:58,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 01:58:58,211 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-11-23 01:58:58,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:58:58,214 INFO L225 Difference]: With dead ends: 1586 [2018-11-23 01:58:58,215 INFO L226 Difference]: Without dead ends: 819 [2018-11-23 01:58:58,217 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:58:58,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-11-23 01:58:58,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 811. [2018-11-23 01:58:58,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2018-11-23 01:58:58,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 987 transitions. [2018-11-23 01:58:58,258 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 987 transitions. Word has length 103 [2018-11-23 01:58:58,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:58:58,259 INFO L480 AbstractCegarLoop]: Abstraction has 811 states and 987 transitions. [2018-11-23 01:58:58,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:58:58,260 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 987 transitions. [2018-11-23 01:58:58,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 01:58:58,262 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:58:58,262 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 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, 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, 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, 1, 1, 1] [2018-11-23 01:58:58,262 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:58:58,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:58:58,263 INFO L82 PathProgramCache]: Analyzing trace with hash 856858125, now seen corresponding path program 1 times [2018-11-23 01:58:58,263 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:58:58,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:58:58,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:58:58,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:58:58,264 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:58:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:58:58,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:58:58,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:58:58,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 01:58:58,336 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:58:58,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 01:58:58,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 01:58:58,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:58:58,337 INFO L87 Difference]: Start difference. First operand 811 states and 987 transitions. Second operand 8 states. [2018-11-23 01:58:58,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:58:58,399 INFO L93 Difference]: Finished difference Result 1626 states and 2054 transitions. [2018-11-23 01:58:58,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 01:58:58,400 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-11-23 01:58:58,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:58:58,404 INFO L225 Difference]: With dead ends: 1626 [2018-11-23 01:58:58,404 INFO L226 Difference]: Without dead ends: 839 [2018-11-23 01:58:58,407 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:58:58,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2018-11-23 01:58:58,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 827. [2018-11-23 01:58:58,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2018-11-23 01:58:58,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1003 transitions. [2018-11-23 01:58:58,453 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1003 transitions. Word has length 103 [2018-11-23 01:58:58,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:58:58,453 INFO L480 AbstractCegarLoop]: Abstraction has 827 states and 1003 transitions. [2018-11-23 01:58:58,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 01:58:58,454 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1003 transitions. [2018-11-23 01:58:58,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 01:58:58,456 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:58:58,456 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 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, 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, 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, 1, 1, 1] [2018-11-23 01:58:58,456 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:58:58,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:58:58,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1990048718, now seen corresponding path program 1 times [2018-11-23 01:58:58,457 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:58:58,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:58:58,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:58:58,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:58:58,458 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:58:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:58:58,528 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:58:58,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:58:58,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 01:58:58,528 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:58:58,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 01:58:58,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 01:58:58,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:58:58,529 INFO L87 Difference]: Start difference. First operand 827 states and 1003 transitions. Second operand 4 states. [2018-11-23 01:58:58,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:58:58,801 INFO L93 Difference]: Finished difference Result 2661 states and 3378 transitions. [2018-11-23 01:58:58,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 01:58:58,801 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-11-23 01:58:58,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:58:58,809 INFO L225 Difference]: With dead ends: 2661 [2018-11-23 01:58:58,810 INFO L226 Difference]: Without dead ends: 1858 [2018-11-23 01:58:58,812 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:58:58,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1858 states. [2018-11-23 01:58:58,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1858 to 1827. [2018-11-23 01:58:58,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2018-11-23 01:58:58,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2263 transitions. [2018-11-23 01:58:58,906 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2263 transitions. Word has length 103 [2018-11-23 01:58:58,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:58:58,906 INFO L480 AbstractCegarLoop]: Abstraction has 1827 states and 2263 transitions. [2018-11-23 01:58:58,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 01:58:58,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2263 transitions. [2018-11-23 01:58:58,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 01:58:58,910 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:58:58,910 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:58:58,910 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:58:58,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:58:58,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1724957708, now seen corresponding path program 1 times [2018-11-23 01:58:58,912 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:58:58,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:58:58,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:58:58,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:58:58,913 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:58:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:58:59,022 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 01:58:59,022 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:58:59,022 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:58:59,023 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 108 with the following transitions: [2018-11-23 01:58:59,025 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [46], [47], [59], [62], [64], [65], [68], [72], [73], [74], [89], [92], [94], [103], [107], [111], [114], [119], [122], [127], [130], [146], [147], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [178], [180], [207], [208], [214], [218], [232], [236], [239], [241], [244], [254], [257], [261], [262], [265], [267], [270], [272], [275], [284], [285], [286], [287], [288], [289], [290], [291], [292], [300], [301], [306], [308], [309], [316], [317], [318], [319], [320], [321], [324], [328], [329], [330], [331], [332], [333], [340], [341], [342], [344], [345], [346], [348], [349], [350], [351], [356], [357], [358], [359], [360] [2018-11-23 01:58:59,060 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:58:59,061 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:58:59,524 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:58:59,525 INFO L272 AbstractInterpreter]: Visited 105 different actions 107 times. Never merged. Never widened. Performed 3366 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3366 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-11-23 01:58:59,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:58:59,532 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:58:59,532 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:58:59,532 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8df067a2-4b0f-4dbe-8858-7e7f7175ba66/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 01:58:59,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:58:59,544 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:58:59,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:58:59,657 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:58:59,843 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:58:59,843 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:59:00,804 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 01:59:00,823 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:59:00,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-23 01:59:00,824 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:59:00,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 01:59:00,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 01:59:00,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 01:59:00,825 INFO L87 Difference]: Start difference. First operand 1827 states and 2263 transitions. Second operand 8 states. [2018-11-23 01:59:01,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:59:01,062 INFO L93 Difference]: Finished difference Result 3618 states and 4502 transitions. [2018-11-23 01:59:01,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 01:59:01,062 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2018-11-23 01:59:01,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:59:01,068 INFO L225 Difference]: With dead ends: 3618 [2018-11-23 01:59:01,068 INFO L226 Difference]: Without dead ends: 1815 [2018-11-23 01:59:01,071 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 196 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 01:59:01,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2018-11-23 01:59:01,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 1815. [2018-11-23 01:59:01,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1815 states. [2018-11-23 01:59:01,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2199 transitions. [2018-11-23 01:59:01,137 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2199 transitions. Word has length 107 [2018-11-23 01:59:01,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:59:01,138 INFO L480 AbstractCegarLoop]: Abstraction has 1815 states and 2199 transitions. [2018-11-23 01:59:01,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 01:59:01,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2199 transitions. [2018-11-23 01:59:01,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-23 01:59:01,143 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:59:01,143 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:59:01,143 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:59:01,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:59:01,144 INFO L82 PathProgramCache]: Analyzing trace with hash 56514822, now seen corresponding path program 1 times [2018-11-23 01:59:01,144 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:59:01,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:59:01,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:59:01,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:59:01,145 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:59:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:01,292 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 01:59:01,292 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:59:01,292 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:59:01,293 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-11-23 01:59:01,293 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [46], [47], [48], [50], [53], [57], [58], [59], [62], [64], [65], [68], [72], [73], [74], [77], [79], [85], [89], [92], [93], [94], [103], [107], [111], [114], [117], [119], [122], [125], [127], [130], [146], [147], [148], [149], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [178], [180], [207], [208], [211], [214], [218], [224], [227], [231], [232], [236], [239], [241], [244], [251], [254], [257], [261], [262], [265], [267], [270], [272], [275], [281], [283], [284], [285], [286], [287], [288], [289], [290], [291], [292], [294], [295], [298], [299], [300], [301], [304], [305], [306], [308], [309], [310], [311], [314], [315], [316], [317], [318], [319], [320], [321], [324], [325], [328], [329], [330], [331], [332], [333], [338], [339], [340], [341], [342], [343], [344], [345], [346], [348], [349], [350], [351], [354], [355], [356], [357], [358], [359], [360] [2018-11-23 01:59:01,297 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:59:01,297 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:59:03,133 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:59:03,133 INFO L272 AbstractInterpreter]: Visited 144 different actions 1343 times. Merged at 20 different actions 84 times. Never widened. Performed 43779 root evaluator evaluations with a maximum evaluation depth of 5. Performed 43779 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 22 fixpoints after 5 different actions. Largest state had 132 variables. [2018-11-23 01:59:03,144 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:59:03,144 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:59:03,144 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:59:03,144 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8df067a2-4b0f-4dbe-8858-7e7f7175ba66/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 01:59:03,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:59:03,151 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:59:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:03,275 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:59:03,401 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 01:59:03,401 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:59:03,755 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 01:59:03,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:59:03,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-23 01:59:03,772 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:59:03,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 01:59:03,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 01:59:03,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 01:59:03,773 INFO L87 Difference]: Start difference. First operand 1815 states and 2199 transitions. Second operand 8 states. [2018-11-23 01:59:03,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:59:03,967 INFO L93 Difference]: Finished difference Result 3047 states and 3747 transitions. [2018-11-23 01:59:03,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 01:59:03,968 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2018-11-23 01:59:03,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:59:03,969 INFO L225 Difference]: With dead ends: 3047 [2018-11-23 01:59:03,969 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 01:59:03,973 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 337 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 01:59:03,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 01:59:03,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 01:59:03,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 01:59:03,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 01:59:03,974 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2018-11-23 01:59:03,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:59:03,974 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 01:59:03,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 01:59:03,974 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 01:59:03,974 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:59:03,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 01:59:04,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:59:04,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:59:04,723 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 29 [2018-11-23 01:59:06,313 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 999 1005) the Hoare annotation is: true [2018-11-23 01:59:06,313 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 999 1005) no Hoare annotation was computed. [2018-11-23 01:59:06,313 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 1006 1014) no Hoare annotation was computed. [2018-11-23 01:59:06,313 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 1006 1014) the Hoare annotation is: true [2018-11-23 01:59:06,313 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 1006 1014) no Hoare annotation was computed. [2018-11-23 01:59:06,313 INFO L444 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:59:06,314 INFO L444 ceAbstractionStarter]: At program point L833-1(line 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:59:06,314 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 827 849) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:59:06,314 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 827 849) no Hoare annotation was computed. [2018-11-23 01:59:06,314 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 827 849) no Hoare annotation was computed. [2018-11-23 01:59:06,314 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:59:06,314 INFO L444 ceAbstractionStarter]: At program point L839-1(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:59:06,314 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 844) no Hoare annotation was computed. [2018-11-23 01:59:06,314 INFO L448 ceAbstractionStarter]: For program point L837-1(lines 837 844) no Hoare annotation was computed. [2018-11-23 01:59:06,314 INFO L448 ceAbstractionStarter]: For program point L835(line 835) no Hoare annotation was computed. [2018-11-23 01:59:06,314 INFO L444 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:59:06,314 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1))) [2018-11-23 01:59:06,314 INFO L444 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1))) [2018-11-23 01:59:06,314 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2018-11-23 01:59:06,314 INFO L444 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1))) [2018-11-23 01:59:06,314 INFO L448 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2018-11-23 01:59:06,314 INFO L448 ceAbstractionStarter]: For program point L117(lines 117 134) no Hoare annotation was computed. [2018-11-23 01:59:06,315 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 113 137) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= 0 ~pumpRunning~0))) (and (or .cse0 (< ~methaneLevelCritical~0 1) .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2018-11-23 01:59:06,315 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 113 137) no Hoare annotation was computed. [2018-11-23 01:59:06,315 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= 0 ~pumpRunning~0))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2018-11-23 01:59:06,315 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2018-11-23 01:59:06,315 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 291 305) no Hoare annotation was computed. [2018-11-23 01:59:06,315 INFO L444 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (let ((.cse6 (= |old(~systemActive~0)| 0)) (.cse5 (not (= ~systemActive~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~systemActive~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6) (or .cse6 .cse4 .cse5) (or .cse1 .cse4) (or .cse2 .cse0 .cse3))) [2018-11-23 01:59:06,315 INFO L448 ceAbstractionStarter]: For program point L295(lines 295 301) no Hoare annotation was computed. [2018-11-23 01:59:06,315 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 291 305) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= |old(~systemActive~0)| 0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~systemActive~0 0))) (.cse4 (= ~systemActive~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse2 (or .cse1 .cse3)) (or .cse4 .cse5 .cse3) (or .cse6 .cse0 .cse7) (or .cse7 .cse3 .cse6) (or .cse4 .cse0 .cse5))) [2018-11-23 01:59:06,315 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 291 305) no Hoare annotation was computed. [2018-11-23 01:59:06,315 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2018-11-23 01:59:06,315 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2018-11-23 01:59:06,315 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 208 216) no Hoare annotation was computed. [2018-11-23 01:59:06,315 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 272 290) the Hoare annotation is: true [2018-11-23 01:59:06,315 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 285) no Hoare annotation was computed. [2018-11-23 01:59:06,315 INFO L451 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2018-11-23 01:59:06,315 INFO L448 ceAbstractionStarter]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2018-11-23 01:59:06,315 INFO L448 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2018-11-23 01:59:06,315 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 272 290) no Hoare annotation was computed. [2018-11-23 01:59:06,315 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 272 290) no Hoare annotation was computed. [2018-11-23 01:59:06,316 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 992 998) no Hoare annotation was computed. [2018-11-23 01:59:06,316 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 992 998) the Hoare annotation is: true [2018-11-23 01:59:06,316 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 814 823) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:59:06,316 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 814 823) no Hoare annotation was computed. [2018-11-23 01:59:06,316 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 814 823) no Hoare annotation was computed. [2018-11-23 01:59:06,316 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 197 207) the Hoare annotation is: true [2018-11-23 01:59:06,316 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 197 207) no Hoare annotation was computed. [2018-11-23 01:59:06,316 INFO L451 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: true [2018-11-23 01:59:06,316 INFO L448 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2018-11-23 01:59:06,316 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 197 207) no Hoare annotation was computed. [2018-11-23 01:59:06,316 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 189 196) the Hoare annotation is: true [2018-11-23 01:59:06,316 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2018-11-23 01:59:06,316 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 189 196) no Hoare annotation was computed. [2018-11-23 01:59:06,316 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 967) no Hoare annotation was computed. [2018-11-23 01:59:06,316 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 957 970) no Hoare annotation was computed. [2018-11-23 01:59:06,316 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 957 970) the Hoare annotation is: true [2018-11-23 01:59:06,316 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 957 970) no Hoare annotation was computed. [2018-11-23 01:59:06,316 INFO L444 ceAbstractionStarter]: At program point L158(line 158) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse1 (< ~methaneLevelCritical~0 1) .cse0))) [2018-11-23 01:59:06,316 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 139 163) no Hoare annotation was computed. [2018-11-23 01:59:06,316 INFO L444 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0))) [2018-11-23 01:59:06,317 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 139 163) no Hoare annotation was computed. [2018-11-23 01:59:06,317 INFO L444 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: (let ((.cse2 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse2 .cse1 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2)) (or .cse2 .cse0 .cse1))) [2018-11-23 01:59:06,317 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 139 163) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= 0 ~pumpRunning~0))) (and (or .cse0 (< ~methaneLevelCritical~0 1) .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2018-11-23 01:59:06,317 INFO L448 ceAbstractionStarter]: For program point L147(lines 147 155) no Hoare annotation was computed. [2018-11-23 01:59:06,317 INFO L444 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1))) [2018-11-23 01:59:06,317 INFO L448 ceAbstractionStarter]: For program point L145-1(line 145) no Hoare annotation was computed. [2018-11-23 01:59:06,317 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 160) no Hoare annotation was computed. [2018-11-23 01:59:06,317 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2018-11-23 01:59:06,317 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2018-11-23 01:59:06,317 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 310 375) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:59:06,318 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 310 375) no Hoare annotation was computed. [2018-11-23 01:59:06,318 INFO L444 ceAbstractionStarter]: At program point L368(lines 319 369) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:59:06,318 INFO L444 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse2) (and .cse4 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse4 .cse2))) [2018-11-23 01:59:06,318 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 362) no Hoare annotation was computed. [2018-11-23 01:59:06,318 INFO L444 ceAbstractionStarter]: At program point L356-1(lines 350 363) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse2) (and .cse4 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse4 .cse2))) [2018-11-23 01:59:06,318 INFO L448 ceAbstractionStarter]: For program point L321(lines 320 367) no Hoare annotation was computed. [2018-11-23 01:59:06,318 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 363) no Hoare annotation was computed. [2018-11-23 01:59:06,318 INFO L444 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-11-23 01:59:06,318 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 346) no Hoare annotation was computed. [2018-11-23 01:59:06,318 INFO L448 ceAbstractionStarter]: For program point L340-1(lines 340 346) no Hoare annotation was computed. [2018-11-23 01:59:06,318 INFO L444 ceAbstractionStarter]: At program point L365(lines 320 367) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-11-23 01:59:06,318 INFO L444 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-11-23 01:59:06,319 INFO L448 ceAbstractionStarter]: For program point L330(lines 330 336) no Hoare annotation was computed. [2018-11-23 01:59:06,319 INFO L448 ceAbstractionStarter]: For program point L330-1(lines 330 336) no Hoare annotation was computed. [2018-11-23 01:59:06,319 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 310 375) no Hoare annotation was computed. [2018-11-23 01:59:06,319 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 326) no Hoare annotation was computed. [2018-11-23 01:59:06,319 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 164 171) the Hoare annotation is: (or (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 01:59:06,319 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 164 171) no Hoare annotation was computed. [2018-11-23 01:59:06,319 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 164 171) no Hoare annotation was computed. [2018-11-23 01:59:06,319 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 971 979) no Hoare annotation was computed. [2018-11-23 01:59:06,319 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 971 979) the Hoare annotation is: true [2018-11-23 01:59:06,319 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 971 979) no Hoare annotation was computed. [2018-11-23 01:59:06,319 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:59:06,319 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 01:59:06,319 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:59:06,319 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or .cse3 .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 01:59:06,319 INFO L448 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2018-11-23 01:59:06,319 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 172 188) no Hoare annotation was computed. [2018-11-23 01:59:06,319 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 172 188) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or .cse3 .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 01:59:06,319 INFO L444 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 01:59:06,319 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 172 188) no Hoare annotation was computed. [2018-11-23 01:59:06,319 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2018-11-23 01:59:06,320 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2018-11-23 01:59:06,320 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2018-11-23 01:59:06,320 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2018-11-23 01:59:06,320 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 253 271) no Hoare annotation was computed. [2018-11-23 01:59:06,320 INFO L451 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: true [2018-11-23 01:59:06,320 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2018-11-23 01:59:06,320 INFO L448 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2018-11-23 01:59:06,320 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 904 915) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (< |old(~methaneLevelCritical~0)| 1) .cse0 (<= 1 ~methaneLevelCritical~0)) (or (= ~systemActive~0 0) .cse1 .cse2) (or .cse0 .cse2 .cse1))) [2018-11-23 01:59:06,320 INFO L448 ceAbstractionStarter]: For program point L908-1(lines 904 915) no Hoare annotation was computed. [2018-11-23 01:59:06,320 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 904 915) no Hoare annotation was computed. [2018-11-23 01:59:06,320 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 753 782) no Hoare annotation was computed. [2018-11-23 01:59:06,320 INFO L448 ceAbstractionStarter]: For program point L767(lines 767 771) no Hoare annotation was computed. [2018-11-23 01:59:06,320 INFO L451 ceAbstractionStarter]: At program point L767-1(lines 767 771) the Hoare annotation is: true [2018-11-23 01:59:06,320 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 753 782) the Hoare annotation is: true [2018-11-23 01:59:06,320 INFO L448 ceAbstractionStarter]: For program point L764(line 764) no Hoare annotation was computed. [2018-11-23 01:59:06,320 INFO L451 ceAbstractionStarter]: At program point L763-2(lines 763 777) the Hoare annotation is: true [2018-11-23 01:59:06,320 INFO L451 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: true [2018-11-23 01:59:06,320 INFO L448 ceAbstractionStarter]: For program point L759-1(line 759) no Hoare annotation was computed. [2018-11-23 01:59:06,320 INFO L451 ceAbstractionStarter]: At program point L778(lines 753 782) the Hoare annotation is: true [2018-11-23 01:59:06,320 INFO L448 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2018-11-23 01:59:06,320 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 916 924) the Hoare annotation is: true [2018-11-23 01:59:06,320 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 916 924) no Hoare annotation was computed. [2018-11-23 01:59:06,320 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 916 924) no Hoare annotation was computed. [2018-11-23 01:59:06,321 INFO L444 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (< ~methaneLevelCritical~0 1) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 01:59:06,321 INFO L448 ceAbstractionStarter]: For program point L59(lines 58 77) no Hoare annotation was computed. [2018-11-23 01:59:06,321 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 1)) (.cse9 (= 0 ~pumpRunning~0)) (.cse8 (not (= ~waterLevel~0 1)))) (let ((.cse3 (and .cse9 .cse8)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= ~systemActive~0 0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and .cse9 (= 1 ~waterLevel~0))) (.cse5 (not .cse1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse6) (or .cse1 .cse7 .cse8 .cse6) (or .cse1 .cse2 .cse3 .cse6) (or .cse0 .cse1 .cse7 .cse8) (or .cse0 .cse2 .cse4 .cse5)))) [2018-11-23 01:59:06,321 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2018-11-23 01:59:06,321 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2018-11-23 01:59:06,321 INFO L444 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| 1)) (.cse7 (= 0 ~pumpRunning~0)) (.cse8 (not (= ~systemActive~0 0)))) (let ((.cse1 (< ~methaneLevelCritical~0 1)) (.cse5 (and .cse7 .cse8 (not (= ~waterLevel~0 1)))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and .cse7 (= 1 ~waterLevel~0) .cse8)) (.cse3 (not .cse4)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse5) (or .cse5 .cse4 .cse2 .cse6) (or .cse2 .cse0 .cse3 .cse6)))) [2018-11-23 01:59:06,321 INFO L444 ceAbstractionStarter]: At program point L66(lines 66 72) the Hoare annotation is: (let ((.cse9 (not (= ~waterLevel~0 1))) (.cse1 (= |old(~waterLevel~0)| 1)) (.cse7 (= 0 ~pumpRunning~0))) (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse4 (and .cse7 (= 1 ~waterLevel~0))) (.cse5 (not .cse1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= ~systemActive~0 0)) (.cse3 (and .cse7 .cse9)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse6) (or .cse7 .cse0 .cse8) (or .cse0 .cse2 .cse4 .cse5) (or .cse1 .cse2 (and (not .cse8) .cse9) .cse3 .cse6)))) [2018-11-23 01:59:06,321 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 880 891) the Hoare annotation is: true [2018-11-23 01:59:06,321 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 880 891) no Hoare annotation was computed. [2018-11-23 01:59:06,321 INFO L448 ceAbstractionStarter]: For program point L884-1(lines 880 891) no Hoare annotation was computed. [2018-11-23 01:59:06,321 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 807 813) no Hoare annotation was computed. [2018-11-23 01:59:06,321 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 807 813) the Hoare annotation is: true [2018-11-23 01:59:06,321 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:59:06,321 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-23 01:59:06,321 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 01:59:06,321 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:59:06,321 INFO L444 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse1 (and (= 0 ~pumpRunning~0) (not (= ~waterLevel~0 1)))) (.cse0 (= ~systemActive~0 0))) (and (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 01:59:06,322 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 87 111) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= 0 ~pumpRunning~0))) (and (or .cse0 (< ~methaneLevelCritical~0 1) .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2018-11-23 01:59:06,322 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 103) no Hoare annotation was computed. [2018-11-23 01:59:06,322 INFO L444 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= 0 ~pumpRunning~0))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2018-11-23 01:59:06,322 INFO L448 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2018-11-23 01:59:06,322 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2018-11-23 01:59:06,322 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 108) no Hoare annotation was computed. [2018-11-23 01:59:06,322 INFO L444 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1))) [2018-11-23 01:59:06,322 INFO L448 ceAbstractionStarter]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2018-11-23 01:59:06,322 INFO L444 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)))) (and (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2018-11-23 01:59:06,322 INFO L448 ceAbstractionStarter]: For program point L896-1(lines 892 903) no Hoare annotation was computed. [2018-11-23 01:59:06,322 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 892 903) no Hoare annotation was computed. [2018-11-23 01:59:06,322 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 892 903) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2018-11-23 01:59:06,322 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 377 384) no Hoare annotation was computed. [2018-11-23 01:59:06,322 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 377 384) the Hoare annotation is: true [2018-11-23 01:59:06,322 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 377 384) no Hoare annotation was computed. [2018-11-23 01:59:06,323 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 381) no Hoare annotation was computed. [2018-11-23 01:59:06,323 INFO L444 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or (= ~systemActive~0 0) .cse0) (or .cse1 .cse0) (or (< ~methaneLevelCritical~0 1) .cse1))) [2018-11-23 01:59:06,323 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 869) no Hoare annotation was computed. [2018-11-23 01:59:06,323 INFO L444 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-11-23 01:59:06,323 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 851 875) the Hoare annotation is: true [2018-11-23 01:59:06,323 INFO L448 ceAbstractionStarter]: For program point L861-1(line 861) no Hoare annotation was computed. [2018-11-23 01:59:06,323 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 872) no Hoare annotation was computed. [2018-11-23 01:59:06,323 INFO L448 ceAbstractionStarter]: For program point L859-1(lines 851 875) no Hoare annotation was computed. [2018-11-23 01:59:06,323 INFO L451 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: true [2018-11-23 01:59:06,323 INFO L448 ceAbstractionStarter]: For program point L857-1(line 857) no Hoare annotation was computed. [2018-11-23 01:59:06,323 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 851 875) no Hoare annotation was computed. [2018-11-23 01:59:06,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:59:06 BoogieIcfgContainer [2018-11-23 01:59:06,333 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 01:59:06,334 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:59:06,334 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:59:06,334 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:59:06,334 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:58:56" (3/4) ... [2018-11-23 01:59:06,337 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:59:06,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 01:59:06,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 01:59:06,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 01:59:06,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 01:59:06,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 01:59:06,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 01:59:06,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 01:59:06,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 01:59:06,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 01:59:06,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 01:59:06,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 01:59:06,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 01:59:06,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 01:59:06,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 01:59:06,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 01:59:06,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 01:59:06,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 01:59:06,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 01:59:06,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 01:59:06,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 01:59:06,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 01:59:06,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 01:59:06,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 01:59:06,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 01:59:06,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 01:59:06,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 01:59:06,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 01:59:06,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 01:59:06,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 01:59:06,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-23 01:59:06,352 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-23 01:59:06,352 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 01:59:06,353 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 01:59:06,353 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 01:59:06,353 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 01:59:06,354 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:59:06,354 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:59:06,377 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) [2018-11-23 01:59:06,377 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 01:59:06,414 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8df067a2-4b0f-4dbe-8858-7e7f7175ba66/bin-2019/utaipan/witness.graphml [2018-11-23 01:59:06,415 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:59:06,415 INFO L168 Benchmark]: Toolchain (without parser) took 11135.49 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 577.8 MB). Free memory was 956.6 MB in the beginning and 934.5 MB in the end (delta: 22.1 MB). Peak memory consumption was 599.8 MB. Max. memory is 11.5 GB. [2018-11-23 01:59:06,416 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:59:06,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 433.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-23 01:59:06,416 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:59:06,417 INFO L168 Benchmark]: Boogie Preprocessor took 36.77 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:59:06,417 INFO L168 Benchmark]: RCFGBuilder took 492.79 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: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:59:06,417 INFO L168 Benchmark]: TraceAbstraction took 10054.06 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 420.5 MB). Free memory was 1.1 GB in the beginning and 948.0 MB in the end (delta: 139.7 MB). Peak memory consumption was 560.1 MB. Max. memory is 11.5 GB. [2018-11-23 01:59:06,417 INFO L168 Benchmark]: Witness Printer took 81.02 ms. Allocated memory is still 1.6 GB. Free memory was 948.0 MB in the beginning and 934.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-23 01:59:06,419 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 433.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.77 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 492.79 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: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10054.06 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 420.5 MB). Free memory was 1.1 GB in the beginning and 948.0 MB in the end (delta: 139.7 MB). Peak memory consumption was 560.1 MB. Max. memory is 11.5 GB. * Witness Printer took 81.02 ms. Allocated memory is still 1.6 GB. Free memory was 948.0 MB in the beginning and 934.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 381]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 169 locations, 1 error locations. SAFE Result, 9.9s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2207 SDtfs, 1071 SDslu, 6395 SDs, 0 SdLazy, 1189 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 657 GetRequests, 561 SyntacticMatches, 14 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1827occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.3s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 83 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 3726 PreInvPairs, 3953 NumberOfFragments, 1698 HoareAnnotationTreeSize, 3726 FomulaSimplifications, 2429 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 71 FomulaSimplificationsInter, 14080 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1137 NumberOfCodeBlocks, 1137 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1406 ConstructedInterpolants, 0 QuantifiedInterpolants, 253361 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1679 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 166/174 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...