./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f6f1260d-1b98-4a15-bd46-283004f8fa8d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f6f1260d-1b98-4a15-bd46-283004f8fa8d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f6f1260d-1b98-4a15-bd46-283004f8fa8d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f6f1260d-1b98-4a15-bd46-283004f8fa8d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f6f1260d-1b98-4a15-bd46-283004f8fa8d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f6f1260d-1b98-4a15-bd46-283004f8fa8d/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 d3ebf7e0857ea2577a0261191567e6475555f928 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 23:57:14,750 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 23:57:14,751 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 23:57:14,757 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 23:57:14,757 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 23:57:14,758 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 23:57:14,758 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 23:57:14,759 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 23:57:14,760 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 23:57:14,760 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 23:57:14,761 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 23:57:14,761 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 23:57:14,761 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 23:57:14,762 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 23:57:14,762 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 23:57:14,763 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 23:57:14,763 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 23:57:14,764 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 23:57:14,765 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 23:57:14,766 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 23:57:14,766 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 23:57:14,767 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 23:57:14,768 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 23:57:14,768 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 23:57:14,768 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 23:57:14,769 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 23:57:14,769 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 23:57:14,770 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 23:57:14,770 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 23:57:14,771 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 23:57:14,771 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 23:57:14,771 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 23:57:14,771 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 23:57:14,771 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 23:57:14,772 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 23:57:14,772 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 23:57:14,772 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f6f1260d-1b98-4a15-bd46-283004f8fa8d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 23:57:14,779 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 23:57:14,780 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 23:57:14,780 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 23:57:14,780 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 23:57:14,780 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 23:57:14,781 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 23:57:14,781 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 23:57:14,781 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 23:57:14,781 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 23:57:14,781 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 23:57:14,781 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 23:57:14,781 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 23:57:14,781 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 23:57:14,782 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 23:57:14,782 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 23:57:14,782 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 23:57:14,782 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 23:57:14,782 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 23:57:14,782 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 23:57:14,782 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 23:57:14,782 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 23:57:14,782 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 23:57:14,782 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 23:57:14,782 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 23:57:14,783 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 23:57:14,783 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 23:57:14,783 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 23:57:14,783 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 23:57:14,783 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 23:57:14,783 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 23:57:14,783 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 23:57:14,783 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 23:57:14,783 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 23:57:14,783 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 23:57:14,783 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 23:57:14,784 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 23:57:14,784 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_f6f1260d-1b98-4a15-bd46-283004f8fa8d/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 -> d3ebf7e0857ea2577a0261191567e6475555f928 [2018-12-02 23:57:14,801 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 23:57:14,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 23:57:14,813 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 23:57:14,814 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 23:57:14,814 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 23:57:14,815 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f6f1260d-1b98-4a15-bd46-283004f8fa8d/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-12-02 23:57:14,861 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6f1260d-1b98-4a15-bd46-283004f8fa8d/bin-2019/utaipan/data/8f5449bd6/4ae1ceda61324ee3bc3f9fccc9f98c6b/FLAGadf4dc2f0 [2018-12-02 23:57:15,224 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 23:57:15,224 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f6f1260d-1b98-4a15-bd46-283004f8fa8d/sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-12-02 23:57:15,231 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6f1260d-1b98-4a15-bd46-283004f8fa8d/bin-2019/utaipan/data/8f5449bd6/4ae1ceda61324ee3bc3f9fccc9f98c6b/FLAGadf4dc2f0 [2018-12-02 23:57:15,239 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f6f1260d-1b98-4a15-bd46-283004f8fa8d/bin-2019/utaipan/data/8f5449bd6/4ae1ceda61324ee3bc3f9fccc9f98c6b [2018-12-02 23:57:15,241 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 23:57:15,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 23:57:15,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 23:57:15,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 23:57:15,245 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 23:57:15,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:57:15" (1/1) ... [2018-12-02 23:57:15,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:15, skipping insertion in model container [2018-12-02 23:57:15,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:57:15" (1/1) ... [2018-12-02 23:57:15,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 23:57:15,282 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 23:57:15,456 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 23:57:15,464 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 23:57:15,557 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 23:57:15,576 INFO L195 MainTranslator]: Completed translation [2018-12-02 23:57:15,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:15 WrapperNode [2018-12-02 23:57:15,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 23:57:15,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 23:57:15,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 23:57:15,577 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 23:57:15,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:15" (1/1) ... [2018-12-02 23:57:15,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:15" (1/1) ... [2018-12-02 23:57:15,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 23:57:15,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 23:57:15,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 23:57:15,603 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 23:57:15,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:15" (1/1) ... [2018-12-02 23:57:15,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:15" (1/1) ... [2018-12-02 23:57:15,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:15" (1/1) ... [2018-12-02 23:57:15,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:15" (1/1) ... [2018-12-02 23:57:15,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:15" (1/1) ... [2018-12-02 23:57:15,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:15" (1/1) ... [2018-12-02 23:57:15,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:15" (1/1) ... [2018-12-02 23:57:15,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 23:57:15,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 23:57:15,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 23:57:15,629 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 23:57:15,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6f1260d-1b98-4a15-bd46-283004f8fa8d/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 [2018-12-02 23:57:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 23:57:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 23:57:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 23:57:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 23:57:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 23:57:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 23:57:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 23:57:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 23:57:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 23:57:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 23:57:15,667 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 23:57:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 23:57:15,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 23:57:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 23:57:15,667 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 23:57:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 23:57:15,667 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 23:57:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-02 23:57:15,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-02 23:57:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-02 23:57:15,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-02 23:57:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 23:57:15,668 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 23:57:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 23:57:15,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 23:57:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 23:57:15,668 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 23:57:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 23:57:15,669 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 23:57:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 23:57:15,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 23:57:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 23:57:15,669 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 23:57:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 23:57:15,669 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 23:57:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 23:57:15,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 23:57:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 23:57:15,670 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 23:57:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 23:57:15,670 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 23:57:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 23:57:15,670 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 23:57:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 23:57:15,670 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 23:57:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 23:57:15,670 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 23:57:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 23:57:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 23:57:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-02 23:57:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-02 23:57:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 23:57:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 23:57:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 23:57:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 23:57:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 23:57:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 23:57:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 23:57:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 23:57:15,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 23:57:15,960 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 23:57:15,961 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 23:57:15,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:57:15 BoogieIcfgContainer [2018-12-02 23:57:15,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 23:57:15,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 23:57:15,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 23:57:15,964 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 23:57:15,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:57:15" (1/3) ... [2018-12-02 23:57:15,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d87b87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:57:15, skipping insertion in model container [2018-12-02 23:57:15,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:15" (2/3) ... [2018-12-02 23:57:15,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d87b87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:57:15, skipping insertion in model container [2018-12-02 23:57:15,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:57:15" (3/3) ... [2018-12-02 23:57:15,967 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-12-02 23:57:15,975 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 23:57:15,981 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 23:57:15,992 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 23:57:16,011 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 23:57:16,011 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 23:57:16,011 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 23:57:16,011 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 23:57:16,011 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 23:57:16,012 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 23:57:16,012 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 23:57:16,012 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 23:57:16,024 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2018-12-02 23:57:16,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 23:57:16,029 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:57:16,029 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] [2018-12-02 23:57:16,031 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:57:16,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:57:16,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1907958204, now seen corresponding path program 1 times [2018-12-02 23:57:16,036 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:57:16,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:57:16,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:57:16,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:57:16,064 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:57:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:57:16,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:57:16,178 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:57:16,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 23:57:16,178 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 23:57:16,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 23:57:16,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 23:57:16,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 23:57:16,190 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 2 states. [2018-12-02 23:57:16,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:57:16,214 INFO L93 Difference]: Finished difference Result 278 states and 349 transitions. [2018-12-02 23:57:16,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 23:57:16,215 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-02 23:57:16,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:57:16,222 INFO L225 Difference]: With dead ends: 278 [2018-12-02 23:57:16,222 INFO L226 Difference]: Without dead ends: 141 [2018-12-02 23:57:16,224 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 [2018-12-02 23:57:16,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-12-02 23:57:16,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-12-02 23:57:16,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-12-02 23:57:16,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 168 transitions. [2018-12-02 23:57:16,255 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 168 transitions. Word has length 51 [2018-12-02 23:57:16,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:57:16,256 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 168 transitions. [2018-12-02 23:57:16,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 23:57:16,256 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 168 transitions. [2018-12-02 23:57:16,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 23:57:16,258 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:57:16,258 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] [2018-12-02 23:57:16,258 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:57:16,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:57:16,258 INFO L82 PathProgramCache]: Analyzing trace with hash -32224306, now seen corresponding path program 1 times [2018-12-02 23:57:16,258 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:57:16,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:57:16,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:57:16,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:57:16,259 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:57:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:57:16,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:57:16,315 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:57:16,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 23:57:16,315 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 23:57:16,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 23:57:16,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 23:57:16,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 23:57:16,316 INFO L87 Difference]: Start difference. First operand 141 states and 168 transitions. Second operand 3 states. [2018-12-02 23:57:16,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:57:16,330 INFO L93 Difference]: Finished difference Result 221 states and 263 transitions. [2018-12-02 23:57:16,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 23:57:16,330 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-02 23:57:16,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:57:16,331 INFO L225 Difference]: With dead ends: 221 [2018-12-02 23:57:16,331 INFO L226 Difference]: Without dead ends: 132 [2018-12-02 23:57:16,332 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 [2018-12-02 23:57:16,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-12-02 23:57:16,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-12-02 23:57:16,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-12-02 23:57:16,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 156 transitions. [2018-12-02 23:57:16,340 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 156 transitions. Word has length 52 [2018-12-02 23:57:16,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:57:16,340 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 156 transitions. [2018-12-02 23:57:16,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 23:57:16,340 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 156 transitions. [2018-12-02 23:57:16,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-02 23:57:16,341 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:57:16,341 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] [2018-12-02 23:57:16,341 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:57:16,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:57:16,341 INFO L82 PathProgramCache]: Analyzing trace with hash 145716492, now seen corresponding path program 1 times [2018-12-02 23:57:16,341 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:57:16,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:57:16,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:57:16,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:57:16,342 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:57:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:57:16,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:57:16,429 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:57:16,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 23:57:16,429 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 23:57:16,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 23:57:16,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 23:57:16,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 23:57:16,430 INFO L87 Difference]: Start difference. First operand 132 states and 156 transitions. Second operand 7 states. [2018-12-02 23:57:16,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:57:16,714 INFO L93 Difference]: Finished difference Result 391 states and 480 transitions. [2018-12-02 23:57:16,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 23:57:16,714 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-02 23:57:16,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:57:16,717 INFO L225 Difference]: With dead ends: 391 [2018-12-02 23:57:16,717 INFO L226 Difference]: Without dead ends: 287 [2018-12-02 23:57:16,718 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 [2018-12-02 23:57:16,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-12-02 23:57:16,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 279. [2018-12-02 23:57:16,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-12-02 23:57:16,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 342 transitions. [2018-12-02 23:57:16,746 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 342 transitions. Word has length 56 [2018-12-02 23:57:16,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:57:16,747 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 342 transitions. [2018-12-02 23:57:16,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 23:57:16,747 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 342 transitions. [2018-12-02 23:57:16,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 23:57:16,749 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:57:16,749 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, 1] [2018-12-02 23:57:16,749 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:57:16,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:57:16,750 INFO L82 PathProgramCache]: Analyzing trace with hash 96715133, now seen corresponding path program 1 times [2018-12-02 23:57:16,750 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:57:16,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:57:16,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:57:16,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:57:16,751 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:57:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:57:16,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:57:16,831 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:57:16,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 23:57:16,831 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 23:57:16,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 23:57:16,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 23:57:16,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 23:57:16,832 INFO L87 Difference]: Start difference. First operand 279 states and 342 transitions. Second operand 6 states. [2018-12-02 23:57:16,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:57:16,972 INFO L93 Difference]: Finished difference Result 763 states and 960 transitions. [2018-12-02 23:57:16,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 23:57:16,972 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-02 23:57:16,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:57:16,975 INFO L225 Difference]: With dead ends: 763 [2018-12-02 23:57:16,975 INFO L226 Difference]: Without dead ends: 512 [2018-12-02 23:57:16,976 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 [2018-12-02 23:57:16,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-12-02 23:57:16,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 506. [2018-12-02 23:57:16,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2018-12-02 23:57:17,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 624 transitions. [2018-12-02 23:57:17,001 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 624 transitions. Word has length 62 [2018-12-02 23:57:17,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:57:17,002 INFO L480 AbstractCegarLoop]: Abstraction has 506 states and 624 transitions. [2018-12-02 23:57:17,002 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 23:57:17,002 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 624 transitions. [2018-12-02 23:57:17,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 23:57:17,004 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:57:17,004 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, 1, 1, 1, 1, 1] [2018-12-02 23:57:17,004 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:57:17,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:57:17,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1885698951, now seen corresponding path program 1 times [2018-12-02 23:57:17,005 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:57:17,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:57:17,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:57:17,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:57:17,006 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:57:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:57:17,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:57:17,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:57:17,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 23:57:17,052 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 23:57:17,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 23:57:17,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 23:57:17,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 23:57:17,053 INFO L87 Difference]: Start difference. First operand 506 states and 624 transitions. Second operand 7 states. [2018-12-02 23:57:17,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:57:17,483 INFO L93 Difference]: Finished difference Result 1329 states and 1750 transitions. [2018-12-02 23:57:17,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 23:57:17,483 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-02 23:57:17,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:57:17,487 INFO L225 Difference]: With dead ends: 1329 [2018-12-02 23:57:17,487 INFO L226 Difference]: Without dead ends: 851 [2018-12-02 23:57:17,488 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 23:57:17,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2018-12-02 23:57:17,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 755. [2018-12-02 23:57:17,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2018-12-02 23:57:17,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 919 transitions. [2018-12-02 23:57:17,522 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 919 transitions. Word has length 66 [2018-12-02 23:57:17,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:57:17,522 INFO L480 AbstractCegarLoop]: Abstraction has 755 states and 919 transitions. [2018-12-02 23:57:17,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 23:57:17,522 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 919 transitions. [2018-12-02 23:57:17,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 23:57:17,523 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:57:17,524 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] [2018-12-02 23:57:17,524 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:57:17,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:57:17,524 INFO L82 PathProgramCache]: Analyzing trace with hash -955609821, now seen corresponding path program 1 times [2018-12-02 23:57:17,524 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:57:17,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:57:17,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:57:17,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:57:17,525 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:57:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:57:17,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 23:57:17,564 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:57:17,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 23:57:17,564 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 23:57:17,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 23:57:17,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 23:57:17,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 23:57:17,565 INFO L87 Difference]: Start difference. First operand 755 states and 919 transitions. Second operand 6 states. [2018-12-02 23:57:17,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:57:17,599 INFO L93 Difference]: Finished difference Result 1510 states and 1898 transitions. [2018-12-02 23:57:17,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 23:57:17,599 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-12-02 23:57:17,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:57:17,602 INFO L225 Difference]: With dead ends: 1510 [2018-12-02 23:57:17,602 INFO L226 Difference]: Without dead ends: 783 [2018-12-02 23:57:17,603 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 [2018-12-02 23:57:17,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2018-12-02 23:57:17,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 775. [2018-12-02 23:57:17,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2018-12-02 23:57:17,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 939 transitions. [2018-12-02 23:57:17,628 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 939 transitions. Word has length 103 [2018-12-02 23:57:17,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:57:17,629 INFO L480 AbstractCegarLoop]: Abstraction has 775 states and 939 transitions. [2018-12-02 23:57:17,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 23:57:17,629 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 939 transitions. [2018-12-02 23:57:17,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 23:57:17,630 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:57:17,630 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] [2018-12-02 23:57:17,630 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:57:17,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:57:17,630 INFO L82 PathProgramCache]: Analyzing trace with hash 972662881, now seen corresponding path program 1 times [2018-12-02 23:57:17,630 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:57:17,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:57:17,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:57:17,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:57:17,631 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:57:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:57:17,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 23:57:17,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:57:17,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 23:57:17,692 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 23:57:17,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 23:57:17,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 23:57:17,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 23:57:17,693 INFO L87 Difference]: Start difference. First operand 775 states and 939 transitions. Second operand 8 states. [2018-12-02 23:57:17,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:57:17,733 INFO L93 Difference]: Finished difference Result 1550 states and 1938 transitions. [2018-12-02 23:57:17,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 23:57:17,733 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-12-02 23:57:17,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:57:17,735 INFO L225 Difference]: With dead ends: 1550 [2018-12-02 23:57:17,735 INFO L226 Difference]: Without dead ends: 803 [2018-12-02 23:57:17,737 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 [2018-12-02 23:57:17,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2018-12-02 23:57:17,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 791. [2018-12-02 23:57:17,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2018-12-02 23:57:17,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 955 transitions. [2018-12-02 23:57:17,759 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 955 transitions. Word has length 103 [2018-12-02 23:57:17,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:57:17,759 INFO L480 AbstractCegarLoop]: Abstraction has 791 states and 955 transitions. [2018-12-02 23:57:17,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 23:57:17,760 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 955 transitions. [2018-12-02 23:57:17,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 23:57:17,761 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:57:17,761 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] [2018-12-02 23:57:17,761 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:57:17,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:57:17,761 INFO L82 PathProgramCache]: Analyzing trace with hash 732122752, now seen corresponding path program 1 times [2018-12-02 23:57:17,761 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:57:17,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:57:17,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:57:17,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:57:17,762 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:57:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:57:17,815 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 23:57:17,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:57:17,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 23:57:17,815 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 23:57:17,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 23:57:17,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 23:57:17,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 23:57:17,816 INFO L87 Difference]: Start difference. First operand 791 states and 955 transitions. Second operand 4 states. [2018-12-02 23:57:17,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:57:17,973 INFO L93 Difference]: Finished difference Result 2497 states and 3166 transitions. [2018-12-02 23:57:17,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 23:57:17,973 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-12-02 23:57:17,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:57:17,980 INFO L225 Difference]: With dead ends: 2497 [2018-12-02 23:57:17,981 INFO L226 Difference]: Without dead ends: 1734 [2018-12-02 23:57:17,983 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 [2018-12-02 23:57:17,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2018-12-02 23:57:18,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1703. [2018-12-02 23:57:18,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2018-12-02 23:57:18,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2111 transitions. [2018-12-02 23:57:18,066 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2111 transitions. Word has length 103 [2018-12-02 23:57:18,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:57:18,066 INFO L480 AbstractCegarLoop]: Abstraction has 1703 states and 2111 transitions. [2018-12-02 23:57:18,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 23:57:18,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2111 transitions. [2018-12-02 23:57:18,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 23:57:18,069 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:57:18,070 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] [2018-12-02 23:57:18,070 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:57:18,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:57:18,070 INFO L82 PathProgramCache]: Analyzing trace with hash -737330874, now seen corresponding path program 1 times [2018-12-02 23:57:18,070 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:57:18,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:57:18,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:57:18,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:57:18,071 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:57:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:57:18,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 23:57:18,164 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 23:57:18,164 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 23:57:18,164 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 108 with the following transitions: [2018-12-02 23:57:18,165 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [46], [47], [48], [52], [54], [55], [58], [73], [76], [77], [81], [82], [84], [93], [97], [101], [104], [109], [112], [117], [120], [136], [137], [138], [140], [143], [145], [148], [151], [163], [164], [165], [166], [167], [169], [174], [177], [178], [180], [185], [187], [188], [193], [195], [201], [205], [238], [239], [247], [253], [257], [258], [261], [262], [263], [264], [265], [266], [267], [268], [269], [271], [272], [273], [274], [281], [282], [283], [285], [286], [293], [294], [295], [296], [297], [298], [301], [305], [306], [307], [308], [309], [311], [312], [313], [314], [315], [316], [319], [320], [321], [327], [328], [329] [2018-12-02 23:57:18,193 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 23:57:18,193 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 23:57:18,574 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 23:57:18,575 INFO L272 AbstractInterpreter]: Visited 103 different actions 105 times. Never merged. Never widened. Performed 3291 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3291 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 134 variables. [2018-12-02 23:57:18,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:57:18,581 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 23:57:18,837 INFO L227 lantSequenceWeakener]: Weakened 103 states. On average, predicates are now at 97% of their original sizes. [2018-12-02 23:57:18,837 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 23:57:19,005 INFO L418 sIntCurrentIteration]: We unified 106 AI predicates to 106 [2018-12-02 23:57:19,006 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 23:57:19,006 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 23:57:19,006 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [13] total 36 [2018-12-02 23:57:19,006 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 23:57:19,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-12-02 23:57:19,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-12-02 23:57:19,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=512, Unknown=0, NotChecked=0, Total=600 [2018-12-02 23:57:19,007 INFO L87 Difference]: Start difference. First operand 1703 states and 2111 transitions. Second operand 25 states. [2018-12-02 23:57:27,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:57:27,488 INFO L93 Difference]: Finished difference Result 6177 states and 8103 transitions. [2018-12-02 23:57:27,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-12-02 23:57:27,488 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 107 [2018-12-02 23:57:27,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:57:27,499 INFO L225 Difference]: With dead ends: 6177 [2018-12-02 23:57:27,499 INFO L226 Difference]: Without dead ends: 4502 [2018-12-02 23:57:27,503 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 136 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 603 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=346, Invalid=2624, Unknown=0, NotChecked=0, Total=2970 [2018-12-02 23:57:27,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4502 states. [2018-12-02 23:57:27,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4502 to 4251. [2018-12-02 23:57:27,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4251 states. [2018-12-02 23:57:27,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4251 states to 4251 states and 5352 transitions. [2018-12-02 23:57:27,618 INFO L78 Accepts]: Start accepts. Automaton has 4251 states and 5352 transitions. Word has length 107 [2018-12-02 23:57:27,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:57:27,619 INFO L480 AbstractCegarLoop]: Abstraction has 4251 states and 5352 transitions. [2018-12-02 23:57:27,619 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-12-02 23:57:27,619 INFO L276 IsEmpty]: Start isEmpty. Operand 4251 states and 5352 transitions. [2018-12-02 23:57:27,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-02 23:57:27,624 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:57:27,625 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, 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] [2018-12-02 23:57:27,625 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:57:27,625 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:57:27,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1014731968, now seen corresponding path program 1 times [2018-12-02 23:57:27,625 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:57:27,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:57:27,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:57:27,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:57:27,626 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:57:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:57:27,722 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-02 23:57:27,723 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 23:57:27,723 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 23:57:27,723 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 166 with the following transitions: [2018-12-02 23:57:27,723 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [46], [47], [48], [52], [54], [55], [58], [61], [63], [69], [73], [76], [77], [81], [82], [83], [84], [93], [97], [101], [104], [107], [109], [112], [115], [117], [120], [136], [137], [138], [140], [143], [145], [148], [151], [154], [162], [163], [164], [165], [166], [167], [169], [174], [177], [178], [180], [185], [187], [188], [193], [195], [198], [201], [205], [211], [238], [239], [242], [246], [247], [253], [257], [258], [261], [262], [263], [264], [265], [266], [267], [268], [269], [271], [272], [273], [274], [277], [278], [281], [282], [283], [285], [286], [287], [288], [291], [292], [293], [294], [295], [296], [297], [298], [301], [302], [305], [306], [307], [308], [309], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [327], [328], [329] [2018-12-02 23:57:27,726 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 23:57:27,727 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 23:57:28,519 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 23:57:28,519 INFO L272 AbstractInterpreter]: Visited 128 different actions 588 times. Merged at 17 different actions 45 times. Never widened. Performed 22534 root evaluator evaluations with a maximum evaluation depth of 3. Performed 22534 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 5 different actions. Largest state had 134 variables. [2018-12-02 23:57:28,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:57:28,525 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 23:57:28,525 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 23:57:28,525 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6f1260d-1b98-4a15-bd46-283004f8fa8d/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 [2018-12-02 23:57:28,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:57:28,532 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 23:57:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:57:28,621 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 23:57:28,740 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 23:57:28,740 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 23:57:29,395 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-02 23:57:29,411 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 23:57:29,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-02 23:57:29,411 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 23:57:29,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 23:57:29,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 23:57:29,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-02 23:57:29,412 INFO L87 Difference]: Start difference. First operand 4251 states and 5352 transitions. Second operand 8 states. [2018-12-02 23:57:29,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:57:29,705 INFO L93 Difference]: Finished difference Result 7498 states and 9576 transitions. [2018-12-02 23:57:29,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 23:57:29,705 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 165 [2018-12-02 23:57:29,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:57:29,716 INFO L225 Difference]: With dead ends: 7498 [2018-12-02 23:57:29,716 INFO L226 Difference]: Without dead ends: 3909 [2018-12-02 23:57:29,722 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 312 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-02 23:57:29,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3909 states. [2018-12-02 23:57:29,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3909 to 3889. [2018-12-02 23:57:29,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3889 states. [2018-12-02 23:57:29,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3889 states to 3889 states and 4801 transitions. [2018-12-02 23:57:29,837 INFO L78 Accepts]: Start accepts. Automaton has 3889 states and 4801 transitions. Word has length 165 [2018-12-02 23:57:29,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:57:29,837 INFO L480 AbstractCegarLoop]: Abstraction has 3889 states and 4801 transitions. [2018-12-02 23:57:29,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 23:57:29,837 INFO L276 IsEmpty]: Start isEmpty. Operand 3889 states and 4801 transitions. [2018-12-02 23:57:29,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-02 23:57:29,842 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:57:29,842 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2018-12-02 23:57:29,843 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:57:29,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:57:29,843 INFO L82 PathProgramCache]: Analyzing trace with hash 2105416970, now seen corresponding path program 1 times [2018-12-02 23:57:29,843 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 23:57:29,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:57:29,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:57:29,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:57:29,844 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 23:57:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:57:29,947 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-02 23:57:29,948 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 23:57:29,948 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 23:57:29,948 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 217 with the following transitions: [2018-12-02 23:57:29,948 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [46], [47], [48], [52], [54], [55], [58], [61], [63], [69], [73], [76], [77], [81], [82], [83], [84], [93], [97], [101], [104], [107], [109], [112], [115], [117], [120], [136], [137], [138], [140], [143], [145], [148], [151], [154], [160], [162], [163], [164], [165], [166], [167], [169], [174], [177], [178], [180], [185], [187], [188], [193], [195], [198], [201], [205], [211], [238], [239], [242], [246], [247], [253], [257], [258], [261], [262], [263], [264], [265], [266], [267], [268], [269], [271], [272], [273], [274], [277], [278], [281], [282], [283], [285], [286], [287], [288], [291], [292], [293], [294], [295], [296], [297], [298], [301], [302], [305], [306], [307], [308], [309], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [327], [328], [329] [2018-12-02 23:57:29,951 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 23:57:29,951 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 23:57:31,548 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 23:57:31,548 INFO L272 AbstractInterpreter]: Visited 129 different actions 1502 times. Merged at 22 different actions 147 times. Never widened. Performed 49336 root evaluator evaluations with a maximum evaluation depth of 3. Performed 49336 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 39 fixpoints after 5 different actions. Largest state had 134 variables. [2018-12-02 23:57:31,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:57:31,561 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 23:57:31,561 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 23:57:31,561 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6f1260d-1b98-4a15-bd46-283004f8fa8d/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 [2018-12-02 23:57:31,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:57:31,570 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 23:57:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:57:31,647 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 23:57:31,732 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-02 23:57:31,733 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 23:57:32,067 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-02 23:57:32,083 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 23:57:32,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-02 23:57:32,083 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 23:57:32,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 23:57:32,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 23:57:32,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-02 23:57:32,084 INFO L87 Difference]: Start difference. First operand 3889 states and 4801 transitions. Second operand 8 states. [2018-12-02 23:57:32,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:57:32,247 INFO L93 Difference]: Finished difference Result 5055 states and 6159 transitions. [2018-12-02 23:57:32,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 23:57:32,247 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 216 [2018-12-02 23:57:32,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:57:32,248 INFO L225 Difference]: With dead ends: 5055 [2018-12-02 23:57:32,248 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 23:57:32,254 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 416 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-02 23:57:32,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 23:57:32,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 23:57:32,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 23:57:32,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 23:57:32,255 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 216 [2018-12-02 23:57:32,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:57:32,255 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 23:57:32,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 23:57:32,255 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 23:57:32,255 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 23:57:32,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 23:57:32,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:32,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 23:57:33,508 WARN L180 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 55 [2018-12-02 23:57:33,879 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 48 [2018-12-02 23:57:34,925 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 50 [2018-12-02 23:57:35,684 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-12-02 23:57:35,684 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-12-02 23:57:35,685 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-12-02 23:57:35,685 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-12-02 23:57:35,685 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-12-02 23:57:35,685 INFO L444 ceAbstractionStarter]: At program point L578-1(line 578) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 23:57:35,685 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 572 594) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 23:57:35,685 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 572 594) no Hoare annotation was computed. [2018-12-02 23:57:35,685 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 572 594) no Hoare annotation was computed. [2018-12-02 23:57:35,685 INFO L444 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 23:57:35,685 INFO L444 ceAbstractionStarter]: At program point L584-1(line 584) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 23:57:35,685 INFO L448 ceAbstractionStarter]: For program point L582(lines 582 589) no Hoare annotation was computed. [2018-12-02 23:57:35,685 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 582 589) no Hoare annotation was computed. [2018-12-02 23:57:35,686 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-02 23:57:35,686 INFO L444 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 23:57:35,686 INFO L444 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 23:57:35,686 INFO L448 ceAbstractionStarter]: For program point L738-1(line 738) no Hoare annotation was computed. [2018-12-02 23:57:35,686 INFO L448 ceAbstractionStarter]: For program point L736(lines 736 753) no Hoare annotation was computed. [2018-12-02 23:57:35,686 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 732 756) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse1 .cse3 .cse4) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse4 .cse1))) [2018-12-02 23:57:35,686 INFO L444 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 .cse1 .cse2 .cse3))) [2018-12-02 23:57:35,686 INFO L448 ceAbstractionStarter]: For program point L751-1(lines 732 756) no Hoare annotation was computed. [2018-12-02 23:57:35,686 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 732 756) no Hoare annotation was computed. [2018-12-02 23:57:35,686 INFO L444 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse4))) [2018-12-02 23:57:35,687 INFO L444 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~waterLevel~0 1))) (.cse2 (= ~systemActive~0 0)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse4 .cse5 .cse6) (or .cse3 .cse1 .cse2 .cse4 .cse6) (or .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse4 .cse6))) [2018-12-02 23:57:35,687 INFO L448 ceAbstractionStarter]: For program point L740(lines 740 748) no Hoare annotation was computed. [2018-12-02 23:57:35,687 INFO L444 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse1 .cse3 .cse4) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse4))) [2018-12-02 23:57:35,687 INFO L444 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= |old(~systemActive~0)| 1))) (.cse6 (= ~systemActive~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~systemActive~0)| 0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7 .cse2) (or (or .cse8 .cse3) .cse2) (or .cse5 .cse8 .cse2) (or .cse1 .cse7 .cse6 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse1 .cse2))) [2018-12-02 23:57:35,687 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 891 905) no Hoare annotation was computed. [2018-12-02 23:57:35,687 INFO L448 ceAbstractionStarter]: For program point L895(lines 895 901) no Hoare annotation was computed. [2018-12-02 23:57:35,687 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 891 905) the Hoare annotation is: (let ((.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse4 (and (not (= ~systemActive~0 0)) .cse8)) (.cse0 (= |old(~systemActive~0)| 0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= |old(~systemActive~0)| 1))) (.cse5 (= ~systemActive~0 1)) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7 .cse2) (or .cse6 .cse4 .cse0 .cse1 .cse2) (or .cse8 .cse6 .cse9 .cse2) (or .cse1 .cse7 .cse5 .cse2 .cse3) (or .cse8 (or .cse9 .cse3) .cse2)))) [2018-12-02 23:57:35,687 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 891 905) no Hoare annotation was computed. [2018-12-02 23:57:35,687 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 827 835) no Hoare annotation was computed. [2018-12-02 23:57:35,688 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 827 835) the Hoare annotation is: true [2018-12-02 23:57:35,688 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 827 835) no Hoare annotation was computed. [2018-12-02 23:57:35,688 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-12-02 23:57:35,688 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-12-02 23:57:35,688 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 561 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 23:57:35,688 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 561 571) no Hoare annotation was computed. [2018-12-02 23:57:35,688 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 561 571) no Hoare annotation was computed. [2018-12-02 23:57:35,688 INFO L444 ceAbstractionStarter]: At program point L566(line 566) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 23:57:35,688 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 816 826) the Hoare annotation is: true [2018-12-02 23:57:35,688 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 816 826) no Hoare annotation was computed. [2018-12-02 23:57:35,688 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 816 826) no Hoare annotation was computed. [2018-12-02 23:57:35,688 INFO L451 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: true [2018-12-02 23:57:35,689 INFO L448 ceAbstractionStarter]: For program point L821-1(line 821) no Hoare annotation was computed. [2018-12-02 23:57:35,689 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 808 815) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2) (or .cse2 (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1)))) [2018-12-02 23:57:35,689 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 808 815) no Hoare annotation was computed. [2018-12-02 23:57:35,689 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 808 815) no Hoare annotation was computed. [2018-12-02 23:57:35,689 INFO L444 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5 .cse6) (or .cse0 .cse2 .cse4 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse6) .cse3) (or .cse1 .cse2 .cse3 .cse5))) [2018-12-02 23:57:35,689 INFO L448 ceAbstractionStarter]: For program point L766(lines 766 774) no Hoare annotation was computed. [2018-12-02 23:57:35,689 INFO L444 ceAbstractionStarter]: At program point L764(line 764) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse4) (or .cse2 .cse3 .cse4 .cse6 .cse1) (or .cse5 .cse2 .cse4 .cse6))) [2018-12-02 23:57:35,689 INFO L448 ceAbstractionStarter]: For program point L764-1(line 764) no Hoare annotation was computed. [2018-12-02 23:57:35,689 INFO L448 ceAbstractionStarter]: For program point L762(lines 762 779) no Hoare annotation was computed. [2018-12-02 23:57:35,689 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 758 782) no Hoare annotation was computed. [2018-12-02 23:57:35,689 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 758 782) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse3 .cse2 .cse5 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse6) (or .cse2 .cse5 .cse4 .cse6 .cse3))) [2018-12-02 23:57:35,689 INFO L444 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse6) (or .cse2 .cse5 .cse4 .cse6))) [2018-12-02 23:57:35,689 INFO L448 ceAbstractionStarter]: For program point L777-1(lines 758 782) no Hoare annotation was computed. [2018-12-02 23:57:35,690 INFO L444 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse3) (or .cse2 .cse4 .cse3 .cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse1 .cse2 .cse3 .cse5))) [2018-12-02 23:57:35,690 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 689) no Hoare annotation was computed. [2018-12-02 23:57:35,690 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 679 692) no Hoare annotation was computed. [2018-12-02 23:57:35,690 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 679 692) the Hoare annotation is: true [2018-12-02 23:57:35,690 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 679 692) no Hoare annotation was computed. [2018-12-02 23:57:35,690 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 724 730) no Hoare annotation was computed. [2018-12-02 23:57:35,690 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 724 730) the Hoare annotation is: true [2018-12-02 23:57:35,690 INFO L444 ceAbstractionStarter]: At program point L929(line 929) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 (and .cse1 .cse2 .cse3)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse2 (= ~methaneLevelCritical~0 1) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1) .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 23:57:35,690 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 907 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 23:57:35,690 INFO L448 ceAbstractionStarter]: For program point L927(lines 927 933) no Hoare annotation was computed. [2018-12-02 23:57:35,690 INFO L448 ceAbstractionStarter]: For program point L927-1(lines 927 933) no Hoare annotation was computed. [2018-12-02 23:57:35,690 INFO L448 ceAbstractionStarter]: For program point L919(lines 919 923) no Hoare annotation was computed. [2018-12-02 23:57:35,690 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 907 972) no Hoare annotation was computed. [2018-12-02 23:57:35,690 INFO L444 ceAbstractionStarter]: At program point L965(lines 916 966) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 23:57:35,690 INFO L444 ceAbstractionStarter]: At program point L955(line 955) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse4 (not (= ~systemActive~0 0))) (.cse5 (= ~pumpRunning~0 1)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse5 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse6 .cse4 .cse5 .cse3) (and .cse0 .cse6 .cse1 .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 23:57:35,690 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 959) no Hoare annotation was computed. [2018-12-02 23:57:35,690 INFO L444 ceAbstractionStarter]: At program point L953-1(lines 947 960) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse5 (not (= ~systemActive~0 0))) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse1 .cse3) (and .cse0 .cse5 .cse6 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 23:57:35,690 INFO L448 ceAbstractionStarter]: For program point L918(lines 917 964) no Hoare annotation was computed. [2018-12-02 23:57:35,690 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 960) no Hoare annotation was computed. [2018-12-02 23:57:35,691 INFO L444 ceAbstractionStarter]: At program point L939(line 939) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 .cse3 (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 23:57:35,691 INFO L448 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2018-12-02 23:57:35,691 INFO L448 ceAbstractionStarter]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2018-12-02 23:57:35,691 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 907 972) no Hoare annotation was computed. [2018-12-02 23:57:35,691 INFO L444 ceAbstractionStarter]: At program point L962(lines 917 964) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 .cse3 (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 23:57:35,691 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 783 790) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methAndRunningLastTime~0 0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-02 23:57:35,691 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 783 790) no Hoare annotation was computed. [2018-12-02 23:57:35,691 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 783 790) no Hoare annotation was computed. [2018-12-02 23:57:35,691 INFO L444 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1) (or (= ~systemActive~0 0) (not (= 1 ~pumpRunning~0)) .cse2 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2))) [2018-12-02 23:57:35,691 INFO L448 ceAbstractionStarter]: For program point L477(lines 477 483) no Hoare annotation was computed. [2018-12-02 23:57:35,691 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 486) no Hoare annotation was computed. [2018-12-02 23:57:35,691 INFO L444 ceAbstractionStarter]: At program point L474(line 474) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (= ~methAndRunningLastTime~0 0) .cse1) (or .cse0 .cse2) (or (= ~systemActive~0 0) (not (= 1 ~pumpRunning~0)) .cse1 .cse2))) [2018-12-02 23:57:35,691 INFO L448 ceAbstractionStarter]: For program point L474-1(line 474) no Hoare annotation was computed. [2018-12-02 23:57:35,691 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 489) no Hoare annotation was computed. [2018-12-02 23:57:35,691 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 464 492) no Hoare annotation was computed. [2018-12-02 23:57:35,691 INFO L444 ceAbstractionStarter]: At program point L470(line 470) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse4 .cse3 .cse1) (or .cse4 .cse1 (not (= ~waterLevel~0 1)) .cse2 .cse3) (or .cse3 .cse4 .cse0 .cse1 .cse2))) [2018-12-02 23:57:35,691 INFO L448 ceAbstractionStarter]: For program point L470-1(line 470) no Hoare annotation was computed. [2018-12-02 23:57:35,691 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 464 492) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse4 .cse3 .cse1) (or .cse4 .cse1 (not (= ~waterLevel~0 1)) .cse2 .cse3) (or .cse3 .cse4 .cse0 .cse1 .cse2))) [2018-12-02 23:57:35,691 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 464 492) no Hoare annotation was computed. [2018-12-02 23:57:35,691 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 456 463) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~methAndRunningLastTime~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-02 23:57:35,692 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 456 463) no Hoare annotation was computed. [2018-12-02 23:57:35,692 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 456 463) no Hoare annotation was computed. [2018-12-02 23:57:35,692 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 23:57:35,692 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-02 23:57:35,692 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 23:57:35,692 INFO L448 ceAbstractionStarter]: For program point L802-1(lines 791 807) no Hoare annotation was computed. [2018-12-02 23:57:35,692 INFO L448 ceAbstractionStarter]: For program point L798(lines 798 804) no Hoare annotation was computed. [2018-12-02 23:57:35,692 INFO L444 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3 .cse0 .cse4))) [2018-12-02 23:57:35,692 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 791 807) no Hoare annotation was computed. [2018-12-02 23:57:35,692 INFO L448 ceAbstractionStarter]: For program point L796-1(line 796) no Hoare annotation was computed. [2018-12-02 23:57:35,692 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 791 807) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3 .cse0 .cse4))) [2018-12-02 23:57:35,692 INFO L444 ceAbstractionStarter]: At program point L802(line 802) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-02 23:57:35,692 INFO L448 ceAbstractionStarter]: For program point L881(lines 881 885) no Hoare annotation was computed. [2018-12-02 23:57:35,692 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 872 890) no Hoare annotation was computed. [2018-12-02 23:57:35,692 INFO L451 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: true [2018-12-02 23:57:35,692 INFO L448 ceAbstractionStarter]: For program point L881-2(lines 881 885) no Hoare annotation was computed. [2018-12-02 23:57:35,692 INFO L448 ceAbstractionStarter]: For program point L879-1(line 879) no Hoare annotation was computed. [2018-12-02 23:57:35,692 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 872 890) the Hoare annotation is: true [2018-12-02 23:57:35,692 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 872 890) no Hoare annotation was computed. [2018-12-02 23:57:35,692 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 626 637) the Hoare annotation is: (let ((.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or (< |old(~methaneLevelCritical~0)| 1) .cse0 .cse1) (<= 1 ~methaneLevelCritical~0)) (or .cse0 .cse2 .cse1 .cse3) (or (= ~systemActive~0 0) (not (= 1 ~pumpRunning~0)) .cse1 .cse3 .cse2) (or .cse4 .cse0 .cse5 (not (= ~systemActive~0 1)) .cse1 (not (= ~waterLevel~0 2))) (or .cse5 .cse4 .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-02 23:57:35,693 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 626 637) no Hoare annotation was computed. [2018-12-02 23:57:35,693 INFO L448 ceAbstractionStarter]: For program point L630-1(lines 626 637) no Hoare annotation was computed. [2018-12-02 23:57:35,693 INFO L448 ceAbstractionStarter]: For program point L704(lines 703 722) no Hoare annotation was computed. [2018-12-02 23:57:35,693 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 700 723) the Hoare annotation is: (let ((.cse11 (= |old(~waterLevel~0)| 1))) (let ((.cse1 (= ~waterLevel~0 2)) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse7 (= ~systemActive~0 0)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse10 (= 1 ~waterLevel~0)) (.cse9 (not .cse11)) (.cse5 (and (= ~methAndRunningLastTime~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse12 (not (= ~waterLevel~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~systemActive~0 1)) .cse2 .cse3 .cse4) (or .cse5 (or .cse6 .cse7 .cse8 .cse2)) (or .cse0 .cse5 .cse2 .cse3) (or .cse0 .cse2 .cse9 .cse3 .cse10) (or .cse6 .cse0 .cse1 .cse2 .cse4) (or (or .cse7 .cse8 .cse2 .cse3) .cse5) (or .cse10 .cse6 .cse0 .cse2 .cse9) (or .cse6 .cse0 .cse5 .cse2) (or .cse6 .cse11 .cse0 .cse2 .cse12) (or .cse11 .cse0 .cse12 .cse2 .cse3)))) [2018-12-02 23:57:35,693 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 700 723) no Hoare annotation was computed. [2018-12-02 23:57:35,693 INFO L444 ceAbstractionStarter]: At program point L713(line 713) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 0)) (.cse11 (= |old(~waterLevel~0)| 1)) (.cse14 (= ~methAndRunningLastTime~0 0)) (.cse15 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (= ~waterLevel~0 2)) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (and .cse14 .cse15)) (.cse12 (= 1 ~waterLevel~0)) (.cse13 (not .cse11)) (.cse9 (and .cse14 (not .cse7) .cse15)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= ~waterLevel~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 (not (= ~systemActive~0 1)) .cse2 .cse3 .cse4) (or .cse5 (or .cse6 .cse7 .cse8 .cse2)) (or .cse6 .cse0 .cse9 .cse2) (or .cse6 .cse0 .cse1 .cse2 .cse4) (or .cse10 .cse11 .cse0 .cse2 .cse3) (or (or .cse7 .cse8 .cse2 .cse3) .cse5) (or .cse0 .cse12 .cse2 .cse13 .cse3) (or .cse6 .cse0 .cse12 .cse2 .cse13) (or .cse0 .cse9 .cse2 .cse3) (or .cse6 .cse11 .cse0 .cse10 .cse2)))) [2018-12-02 23:57:35,693 INFO L444 ceAbstractionStarter]: At program point L711(lines 711 717) the Hoare annotation is: (let ((.cse11 (= ~methAndRunningLastTime~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= |old(~waterLevel~0)| 1))) (let ((.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~waterLevel~0 1))) (.cse15 (not .cse0)) (.cse14 (= 1 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse9 (= ~waterLevel~0 2)) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= ~systemActive~0 0)) (.cse13 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse12 (= 0 ~pumpRunning~0)) (.cse16 (and .cse11 .cse2))) (and (or .cse0 (and .cse1 .cse2) .cse3 (and (not .cse4) .cse1 .cse5) .cse6 .cse7) (or .cse8 .cse3 .cse9 .cse6 .cse10) (or (and .cse11 .cse12) (or .cse8 .cse4 .cse13 .cse6)) (or .cse14 .cse8 .cse3 .cse6 .cse15) (or .cse8 .cse3 .cse16 .cse6) (or .cse8 .cse0 .cse3 .cse6 .cse1) (or .cse3 .cse6 .cse15 .cse7 (and .cse11 .cse14 .cse2)) (or .cse3 .cse5 .cse9 (not (= ~systemActive~0 1)) .cse6 .cse7 .cse10) (or .cse11 .cse3 .cse4 .cse6 .cse7) (or (or .cse4 .cse13 .cse6 .cse7) .cse12 .cse16)))) [2018-12-02 23:57:35,693 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 700 723) no Hoare annotation was computed. [2018-12-02 23:57:35,693 INFO L444 ceAbstractionStarter]: At program point L706(line 706) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= ~methAndRunningLastTime~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or .cse5 .cse4 .cse6) (or .cse1 .cse5 .cse4) (or (or .cse2 .cse3 .cse4 .cse6) .cse0))) [2018-12-02 23:57:35,693 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 496 525) no Hoare annotation was computed. [2018-12-02 23:57:35,693 INFO L448 ceAbstractionStarter]: For program point L510(lines 510 514) no Hoare annotation was computed. [2018-12-02 23:57:35,693 INFO L451 ceAbstractionStarter]: At program point L510-1(lines 510 514) the Hoare annotation is: true [2018-12-02 23:57:35,693 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 496 525) the Hoare annotation is: true [2018-12-02 23:57:35,693 INFO L448 ceAbstractionStarter]: For program point L507(line 507) no Hoare annotation was computed. [2018-12-02 23:57:35,693 INFO L451 ceAbstractionStarter]: At program point L506-2(lines 506 520) the Hoare annotation is: true [2018-12-02 23:57:35,693 INFO L451 ceAbstractionStarter]: At program point L502(line 502) the Hoare annotation is: true [2018-12-02 23:57:35,693 INFO L448 ceAbstractionStarter]: For program point L502-1(line 502) no Hoare annotation was computed. [2018-12-02 23:57:35,694 INFO L451 ceAbstractionStarter]: At program point L521(lines 496 525) the Hoare annotation is: true [2018-12-02 23:57:35,694 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-02 23:57:35,694 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 638 646) the Hoare annotation is: true [2018-12-02 23:57:35,694 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 638 646) no Hoare annotation was computed. [2018-12-02 23:57:35,694 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 638 646) no Hoare annotation was computed. [2018-12-02 23:57:35,694 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 602 613) the Hoare annotation is: true [2018-12-02 23:57:35,694 INFO L448 ceAbstractionStarter]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2018-12-02 23:57:35,694 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 602 613) no Hoare annotation was computed. [2018-12-02 23:57:35,694 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 553 559) no Hoare annotation was computed. [2018-12-02 23:57:35,694 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 553 559) the Hoare annotation is: true [2018-12-02 23:57:35,694 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 23:57:35,694 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-02 23:57:35,694 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 23:57:35,694 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 23:57:35,694 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 614 625) no Hoare annotation was computed. [2018-12-02 23:57:35,694 INFO L448 ceAbstractionStarter]: For program point L618-1(lines 614 625) no Hoare annotation was computed. [2018-12-02 23:57:35,694 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 614 625) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~waterLevel~0 2)) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse3 .cse5 .cse2 .cse6) (or (or .cse2 (not (= ~systemActive~0 1)) .cse7) .cse5 .cse3 .cse6) (or .cse2 .cse3 .cse4 .cse7 .cse0))) [2018-12-02 23:57:35,694 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-02 23:57:35,694 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-02 23:57:35,694 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-02 23:57:35,694 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-02 23:57:35,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:57:35 BoogieIcfgContainer [2018-12-02 23:57:35,704 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 23:57:35,705 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 23:57:35,705 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 23:57:35,705 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 23:57:35,705 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:57:15" (3/4) ... [2018-12-02 23:57:35,708 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 23:57:35,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 23:57:35,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 23:57:35,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 23:57:35,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-02 23:57:35,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-02 23:57:35,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 23:57:35,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 23:57:35,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 23:57:35,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 23:57:35,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 23:57:35,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 23:57:35,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 23:57:35,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 23:57:35,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 23:57:35,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-02 23:57:35,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-02 23:57:35,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-02 23:57:35,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 23:57:35,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 23:57:35,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 23:57:35,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 23:57:35,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 23:57:35,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 23:57:35,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 23:57:35,714 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 23:57:35,714 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 23:57:35,714 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 23:57:35,714 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 23:57:35,718 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-02 23:57:35,719 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-02 23:57:35,719 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-02 23:57:35,719 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 23:57:35,719 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 23:57:35,719 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 23:57:35,737 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(systemActive) == 1) || !(\old(methAndRunningLastTime) == 0)) || (((methAndRunningLastTime == 0 && 0 == pumpRunning) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0)) || ((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && !(systemActive == 0)) && pumpRunning == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 23:57:35,737 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 23:57:35,768 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f6f1260d-1b98-4a15-bd46-283004f8fa8d/bin-2019/utaipan/witness.graphml [2018-12-02 23:57:35,768 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 23:57:35,769 INFO L168 Benchmark]: Toolchain (without parser) took 20527.49 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 966.3 MB). Free memory was 947.0 MB in the beginning and 1.8 GB in the end (delta: -886.5 MB). Peak memory consumption was 79.8 MB. Max. memory is 11.5 GB. [2018-12-02 23:57:35,769 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 23:57:35,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -115.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2018-12-02 23:57:35,769 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 23:57:35,769 INFO L168 Benchmark]: Boogie Preprocessor took 25.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 23:57:35,769 INFO L168 Benchmark]: RCFGBuilder took 332.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. [2018-12-02 23:57:35,769 INFO L168 Benchmark]: TraceAbstraction took 19742.75 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 886.0 MB). Free memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: -847.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-02 23:57:35,770 INFO L168 Benchmark]: Witness Printer took 63.30 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2018-12-02 23:57:35,770 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 334.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -115.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 332.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19742.75 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 886.0 MB). Free memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: -847.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 63.30 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 917]: Loop Invariant Derived loop invariant: ((((((!(\old(systemActive) == 1) || !(\old(methAndRunningLastTime) == 0)) || (((methAndRunningLastTime == 0 && 0 == pumpRunning) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0)) || ((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && !(systemActive == 0)) && pumpRunning == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 154 locations, 1 error locations. SAFE Result, 19.6s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 10.1s AutomataDifference, 0.0s DeadEndRemovalTime, 3.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2461 SDtfs, 1890 SDslu, 10088 SDs, 0 SdLazy, 3674 SolverSat, 435 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 998 GetRequests, 844 SyntacticMatches, 15 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 779 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4251occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.8s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.996088525450571 AbsIntWeakeningRatio, 1.0377358490566038 AbsIntAvgWeakeningVarsNumRemoved, 112.16981132075472 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 432 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 5926 PreInvPairs, 6156 NumberOfFragments, 3052 HoareAnnotationTreeSize, 5926 FomulaSimplifications, 6863 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 65 FomulaSimplificationsInter, 25758 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1465 NumberOfCodeBlocks, 1465 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1831 ConstructedInterpolants, 0 QuantifiedInterpolants, 389312 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1972 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 592/648 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...