./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product41_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ddfad388-7cdc-4fad-a231-7a1cc2e72a16/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ddfad388-7cdc-4fad-a231-7a1cc2e72a16/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ddfad388-7cdc-4fad-a231-7a1cc2e72a16/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ddfad388-7cdc-4fad-a231-7a1cc2e72a16/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product41_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ddfad388-7cdc-4fad-a231-7a1cc2e72a16/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ddfad388-7cdc-4fad-a231-7a1cc2e72a16/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 f25a9f8800d2b9b6ef21419533be8e4411f52f7f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 00:52:46,802 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:52:46,803 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:52:46,810 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:52:46,810 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:52:46,811 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:52:46,812 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:52:46,813 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:52:46,814 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:52:46,815 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:52:46,815 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:52:46,815 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:52:46,816 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:52:46,817 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:52:46,817 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:52:46,818 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:52:46,819 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:52:46,820 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:52:46,821 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:52:46,822 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:52:46,823 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:52:46,824 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:52:46,825 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:52:46,825 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:52:46,826 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:52:46,826 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:52:46,827 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:52:46,827 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:52:46,828 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:52:46,829 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:52:46,829 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:52:46,829 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:52:46,829 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:52:46,830 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:52:46,830 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:52:46,831 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:52:46,831 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ddfad388-7cdc-4fad-a231-7a1cc2e72a16/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 00:52:46,841 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:52:46,841 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:52:46,841 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:52:46,842 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 00:52:46,842 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 00:52:46,842 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 00:52:46,842 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 00:52:46,842 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 00:52:46,842 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 00:52:46,842 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 00:52:46,843 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 00:52:46,843 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 00:52:46,843 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 00:52:46,843 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:52:46,844 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:52:46,844 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:52:46,844 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:52:46,844 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:52:46,844 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:52:46,844 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:52:46,844 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:52:46,844 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:52:46,845 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:52:46,845 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:52:46,845 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:52:46,845 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:52:46,845 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:52:46,845 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:52:46,846 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 00:52:46,846 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:52:46,846 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:52:46,846 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:52:46,846 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:52:46,846 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 00:52:46,846 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:52:46,846 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:52:46,847 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 00:52:46,847 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_ddfad388-7cdc-4fad-a231-7a1cc2e72a16/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 -> f25a9f8800d2b9b6ef21419533be8e4411f52f7f [2018-11-23 00:52:46,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:52:46,879 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:52:46,881 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:52:46,882 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:52:46,882 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:52:46,882 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ddfad388-7cdc-4fad-a231-7a1cc2e72a16/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product41_true-unreach-call_false-termination.cil.c [2018-11-23 00:52:46,917 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ddfad388-7cdc-4fad-a231-7a1cc2e72a16/bin-2019/utaipan/data/065761350/c925139c4ba2475f841468a777188f66/FLAG5b30217d1 [2018-11-23 00:52:47,330 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:52:47,331 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ddfad388-7cdc-4fad-a231-7a1cc2e72a16/sv-benchmarks/c/product-lines/minepump_spec3_product41_true-unreach-call_false-termination.cil.c [2018-11-23 00:52:47,337 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ddfad388-7cdc-4fad-a231-7a1cc2e72a16/bin-2019/utaipan/data/065761350/c925139c4ba2475f841468a777188f66/FLAG5b30217d1 [2018-11-23 00:52:47,345 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ddfad388-7cdc-4fad-a231-7a1cc2e72a16/bin-2019/utaipan/data/065761350/c925139c4ba2475f841468a777188f66 [2018-11-23 00:52:47,347 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:52:47,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:52:47,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:52:47,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:52:47,352 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:52:47,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:52:47" (1/1) ... [2018-11-23 00:52:47,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff9ad9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:47, skipping insertion in model container [2018-11-23 00:52:47,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:52:47" (1/1) ... [2018-11-23 00:52:47,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:52:47,394 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:52:47,600 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:52:47,608 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:52:47,712 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:52:47,732 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:52:47,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:47 WrapperNode [2018-11-23 00:52:47,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:52:47,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:52:47,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:52:47,733 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:52:47,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:47" (1/1) ... [2018-11-23 00:52:47,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:47" (1/1) ... [2018-11-23 00:52:47,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:52:47,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:52:47,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:52:47,757 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:52:47,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:47" (1/1) ... [2018-11-23 00:52:47,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:47" (1/1) ... [2018-11-23 00:52:47,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:47" (1/1) ... [2018-11-23 00:52:47,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:47" (1/1) ... [2018-11-23 00:52:47,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:47" (1/1) ... [2018-11-23 00:52:47,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:47" (1/1) ... [2018-11-23 00:52:47,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:47" (1/1) ... [2018-11-23 00:52:47,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:52:47,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:52:47,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:52:47,784 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:52:47,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ddfad388-7cdc-4fad-a231-7a1cc2e72a16/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:52:47,825 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 00:52:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 00:52:47,825 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 00:52:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 00:52:47,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 00:52:47,825 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 00:52:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 00:52:47,825 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 00:52:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 00:52:47,825 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 00:52:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 00:52:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 00:52:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 00:52:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 00:52:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 00:52:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 00:52:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 00:52:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 00:52:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 00:52:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 00:52:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 00:52:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 00:52:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 00:52:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 00:52:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 00:52:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 00:52:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 00:52:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 00:52:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 00:52:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 00:52:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 00:52:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 00:52:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 00:52:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 00:52:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 00:52:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 00:52:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 00:52:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 00:52:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 00:52:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 00:52:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 00:52:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-23 00:52:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-23 00:52:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 00:52:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 00:52:47,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 00:52:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 00:52:47,830 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 00:52:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-23 00:52:47,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-23 00:52:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 00:52:47,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 00:52:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:52:47,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:52:48,258 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:52:48,258 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 00:52:48,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:48 BoogieIcfgContainer [2018-11-23 00:52:48,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:52:48,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 00:52:48,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 00:52:48,262 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 00:52:48,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:52:47" (1/3) ... [2018-11-23 00:52:48,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@116816e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:52:48, skipping insertion in model container [2018-11-23 00:52:48,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:47" (2/3) ... [2018-11-23 00:52:48,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@116816e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:52:48, skipping insertion in model container [2018-11-23 00:52:48,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:48" (3/3) ... [2018-11-23 00:52:48,264 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41_true-unreach-call_false-termination.cil.c [2018-11-23 00:52:48,272 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 00:52:48,278 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 00:52:48,291 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 00:52:48,315 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 00:52:48,315 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 00:52:48,315 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 00:52:48,315 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:52:48,315 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:52:48,315 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 00:52:48,315 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:52:48,315 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 00:52:48,329 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2018-11-23 00:52:48,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 00:52:48,336 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:52:48,337 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] [2018-11-23 00:52:48,339 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:52:48,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:48,343 INFO L82 PathProgramCache]: Analyzing trace with hash 498848746, now seen corresponding path program 1 times [2018-11-23 00:52:48,345 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:52:48,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:48,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:48,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:48,376 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:52:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:48,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:52:48,525 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:52:48,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 00:52:48,525 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:52:48,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 00:52:48,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 00:52:48,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 00:52:48,538 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2018-11-23 00:52:48,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:52:48,559 INFO L93 Difference]: Finished difference Result 246 states and 305 transitions. [2018-11-23 00:52:48,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 00:52:48,560 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-23 00:52:48,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:52:48,566 INFO L225 Difference]: With dead ends: 246 [2018-11-23 00:52:48,566 INFO L226 Difference]: Without dead ends: 123 [2018-11-23 00:52:48,568 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 00:52:48,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-11-23 00:52:48,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-11-23 00:52:48,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-23 00:52:48,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 144 transitions. [2018-11-23 00:52:48,597 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 144 transitions. Word has length 52 [2018-11-23 00:52:48,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:52:48,597 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 144 transitions. [2018-11-23 00:52:48,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 00:52:48,598 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2018-11-23 00:52:48,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 00:52:48,599 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:52:48,599 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] [2018-11-23 00:52:48,600 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:52:48,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:48,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1610957714, now seen corresponding path program 1 times [2018-11-23 00:52:48,600 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:52:48,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:48,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:48,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:48,601 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:52:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:48,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:52:48,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:52:48,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 00:52:48,670 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:52:48,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:52:48,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:52:48,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:52:48,672 INFO L87 Difference]: Start difference. First operand 123 states and 144 transitions. Second operand 3 states. [2018-11-23 00:52:48,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:52:48,692 INFO L93 Difference]: Finished difference Result 195 states and 227 transitions. [2018-11-23 00:52:48,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:52:48,692 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-23 00:52:48,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:52:48,694 INFO L225 Difference]: With dead ends: 195 [2018-11-23 00:52:48,694 INFO L226 Difference]: Without dead ends: 114 [2018-11-23 00:52:48,695 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:52:48,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-23 00:52:48,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-11-23 00:52:48,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-23 00:52:48,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2018-11-23 00:52:48,705 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 53 [2018-11-23 00:52:48,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:52:48,705 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2018-11-23 00:52:48,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:52:48,705 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2018-11-23 00:52:48,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 00:52:48,706 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:52:48,706 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:52:48,707 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:52:48,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:48,707 INFO L82 PathProgramCache]: Analyzing trace with hash -2062171132, now seen corresponding path program 1 times [2018-11-23 00:52:48,707 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:52:48,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:48,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:48,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:48,708 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:52:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:48,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:52:48,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:52:48,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 00:52:48,805 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:52:48,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 00:52:48,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 00:52:48,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 00:52:48,805 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 7 states. [2018-11-23 00:52:48,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:52:48,975 INFO L93 Difference]: Finished difference Result 204 states and 241 transitions. [2018-11-23 00:52:48,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 00:52:48,975 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-23 00:52:48,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:52:48,976 INFO L225 Difference]: With dead ends: 204 [2018-11-23 00:52:48,976 INFO L226 Difference]: Without dead ends: 114 [2018-11-23 00:52:48,976 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:52:48,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-23 00:52:48,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-11-23 00:52:48,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-23 00:52:48,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2018-11-23 00:52:48,984 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 57 [2018-11-23 00:52:48,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:52:48,984 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2018-11-23 00:52:48,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 00:52:48,984 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2018-11-23 00:52:48,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 00:52:48,985 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:52:48,985 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] [2018-11-23 00:52:48,985 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:52:48,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:48,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1534409439, now seen corresponding path program 1 times [2018-11-23 00:52:48,986 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:52:48,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:48,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:48,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:48,986 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:52:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:49,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:52:49,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:52:49,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 00:52:49,051 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:52:49,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 00:52:49,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 00:52:49,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:52:49,052 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand 5 states. [2018-11-23 00:52:49,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:52:49,515 INFO L93 Difference]: Finished difference Result 301 states and 361 transitions. [2018-11-23 00:52:49,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 00:52:49,516 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-11-23 00:52:49,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:52:49,518 INFO L225 Difference]: With dead ends: 301 [2018-11-23 00:52:49,518 INFO L226 Difference]: Without dead ends: 211 [2018-11-23 00:52:49,519 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 00:52:49,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-11-23 00:52:49,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 193. [2018-11-23 00:52:49,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-11-23 00:52:49,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 222 transitions. [2018-11-23 00:52:49,540 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 222 transitions. Word has length 65 [2018-11-23 00:52:49,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:52:49,540 INFO L480 AbstractCegarLoop]: Abstraction has 193 states and 222 transitions. [2018-11-23 00:52:49,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 00:52:49,541 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 222 transitions. [2018-11-23 00:52:49,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-23 00:52:49,543 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:52:49,544 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:52:49,544 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:52:49,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:49,545 INFO L82 PathProgramCache]: Analyzing trace with hash 2018996323, now seen corresponding path program 1 times [2018-11-23 00:52:49,545 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:52:49,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:49,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:49,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:49,546 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:52:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:49,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:52:49,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:52:49,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 00:52:49,647 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:52:49,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 00:52:49,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 00:52:49,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 00:52:49,648 INFO L87 Difference]: Start difference. First operand 193 states and 222 transitions. Second operand 8 states. [2018-11-23 00:52:49,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:52:49,698 INFO L93 Difference]: Finished difference Result 369 states and 435 transitions. [2018-11-23 00:52:49,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 00:52:49,705 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2018-11-23 00:52:49,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:52:49,708 INFO L225 Difference]: With dead ends: 369 [2018-11-23 00:52:49,708 INFO L226 Difference]: Without dead ends: 200 [2018-11-23 00:52:49,709 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 00:52:49,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-11-23 00:52:49,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 197. [2018-11-23 00:52:49,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-11-23 00:52:49,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 226 transitions. [2018-11-23 00:52:49,723 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 226 transitions. Word has length 79 [2018-11-23 00:52:49,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:52:49,723 INFO L480 AbstractCegarLoop]: Abstraction has 197 states and 226 transitions. [2018-11-23 00:52:49,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 00:52:49,723 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 226 transitions. [2018-11-23 00:52:49,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-23 00:52:49,724 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:52:49,724 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:52:49,725 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:52:49,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:49,725 INFO L82 PathProgramCache]: Analyzing trace with hash 2091382881, now seen corresponding path program 1 times [2018-11-23 00:52:49,725 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:52:49,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:49,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:49,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:49,726 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:52:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:49,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:52:49,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:52:49,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 00:52:49,797 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:52:49,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 00:52:49,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 00:52:49,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 00:52:49,799 INFO L87 Difference]: Start difference. First operand 197 states and 226 transitions. Second operand 6 states. [2018-11-23 00:52:49,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:52:49,933 INFO L93 Difference]: Finished difference Result 489 states and 589 transitions. [2018-11-23 00:52:49,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 00:52:49,934 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2018-11-23 00:52:49,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:52:49,936 INFO L225 Difference]: With dead ends: 489 [2018-11-23 00:52:49,936 INFO L226 Difference]: Without dead ends: 316 [2018-11-23 00:52:49,937 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 00:52:49,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2018-11-23 00:52:49,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 312. [2018-11-23 00:52:49,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2018-11-23 00:52:49,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 363 transitions. [2018-11-23 00:52:49,955 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 363 transitions. Word has length 79 [2018-11-23 00:52:49,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:52:49,955 INFO L480 AbstractCegarLoop]: Abstraction has 312 states and 363 transitions. [2018-11-23 00:52:49,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 00:52:49,955 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 363 transitions. [2018-11-23 00:52:49,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 00:52:49,956 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:52:49,957 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:52:49,957 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:52:49,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:49,957 INFO L82 PathProgramCache]: Analyzing trace with hash 345874407, now seen corresponding path program 1 times [2018-11-23 00:52:49,957 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:52:49,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:49,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:49,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:49,958 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:52:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:50,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:52:50,032 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:52:50,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 00:52:50,032 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:52:50,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 00:52:50,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 00:52:50,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 00:52:50,033 INFO L87 Difference]: Start difference. First operand 312 states and 363 transitions. Second operand 6 states. [2018-11-23 00:52:50,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:52:50,140 INFO L93 Difference]: Finished difference Result 649 states and 783 transitions. [2018-11-23 00:52:50,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 00:52:50,141 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-11-23 00:52:50,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:52:50,143 INFO L225 Difference]: With dead ends: 649 [2018-11-23 00:52:50,143 INFO L226 Difference]: Without dead ends: 476 [2018-11-23 00:52:50,144 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 00:52:50,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2018-11-23 00:52:50,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 458. [2018-11-23 00:52:50,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2018-11-23 00:52:50,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 544 transitions. [2018-11-23 00:52:50,166 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 544 transitions. Word has length 83 [2018-11-23 00:52:50,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:52:50,167 INFO L480 AbstractCegarLoop]: Abstraction has 458 states and 544 transitions. [2018-11-23 00:52:50,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 00:52:50,167 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 544 transitions. [2018-11-23 00:52:50,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 00:52:50,168 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:52:50,168 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:52:50,168 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:52:50,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:50,169 INFO L82 PathProgramCache]: Analyzing trace with hash 603253610, now seen corresponding path program 1 times [2018-11-23 00:52:50,169 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:52:50,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:50,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:50,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:50,169 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:52:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:50,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:52:50,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:52:50,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 00:52:50,235 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:52:50,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 00:52:50,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 00:52:50,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 00:52:50,236 INFO L87 Difference]: Start difference. First operand 458 states and 544 transitions. Second operand 9 states. [2018-11-23 00:52:50,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:52:50,273 INFO L93 Difference]: Finished difference Result 797 states and 959 transitions. [2018-11-23 00:52:50,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 00:52:50,273 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2018-11-23 00:52:50,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:52:50,275 INFO L225 Difference]: With dead ends: 797 [2018-11-23 00:52:50,275 INFO L226 Difference]: Without dead ends: 478 [2018-11-23 00:52:50,276 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:52:50,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2018-11-23 00:52:50,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 473. [2018-11-23 00:52:50,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2018-11-23 00:52:50,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 561 transitions. [2018-11-23 00:52:50,293 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 561 transitions. Word has length 83 [2018-11-23 00:52:50,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:52:50,294 INFO L480 AbstractCegarLoop]: Abstraction has 473 states and 561 transitions. [2018-11-23 00:52:50,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 00:52:50,294 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 561 transitions. [2018-11-23 00:52:50,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 00:52:50,295 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:52:50,295 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:52:50,296 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:52:50,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:50,296 INFO L82 PathProgramCache]: Analyzing trace with hash 675640168, now seen corresponding path program 1 times [2018-11-23 00:52:50,296 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:52:50,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:50,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:50,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:50,297 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:52:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:50,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:52:50,343 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:52:50,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 00:52:50,343 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:52:50,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 00:52:50,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 00:52:50,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:52:50,344 INFO L87 Difference]: Start difference. First operand 473 states and 561 transitions. Second operand 5 states. [2018-11-23 00:52:50,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:52:50,364 INFO L93 Difference]: Finished difference Result 799 states and 966 transitions. [2018-11-23 00:52:50,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 00:52:50,365 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2018-11-23 00:52:50,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:52:50,366 INFO L225 Difference]: With dead ends: 799 [2018-11-23 00:52:50,366 INFO L226 Difference]: Without dead ends: 465 [2018-11-23 00:52:50,367 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:52:50,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2018-11-23 00:52:50,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2018-11-23 00:52:50,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2018-11-23 00:52:50,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 550 transitions. [2018-11-23 00:52:50,383 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 550 transitions. Word has length 83 [2018-11-23 00:52:50,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:52:50,383 INFO L480 AbstractCegarLoop]: Abstraction has 465 states and 550 transitions. [2018-11-23 00:52:50,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 00:52:50,383 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 550 transitions. [2018-11-23 00:52:50,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-23 00:52:50,385 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:52:50,385 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] [2018-11-23 00:52:50,385 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:52:50,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:50,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1645258577, now seen corresponding path program 1 times [2018-11-23 00:52:50,385 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:52:50,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:50,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:50,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:50,386 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:52:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:50,451 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 00:52:50,451 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:52:50,451 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:52:50,452 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 96 with the following transitions: [2018-11-23 00:52:50,453 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [31], [32], [33], [36], [38], [41], [51], [53], [62], [66], [70], [73], [78], [84], [86], [89], [106], [107], [108], [110], [113], [118], [119], [120], [121], [123], [128], [130], [131], [165], [166], [172], [176], [183], [185], [190], [192], [195], [197], [202], [216], [222], [226], [227], [230], [231], [232], [233], [234], [235], [236], [237], [238], [240], [242], [243], [244], [245], [246], [247], [252], [253], [256], [260], [261], [264], [265], [272], [273], [274], [276], [277], [278], [279], [280], [281], [282], [284], [285], [286] [2018-11-23 00:52:50,477 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:52:50,478 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:52:50,825 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:52:50,825 INFO L272 AbstractInterpreter]: Visited 93 different actions 95 times. Never merged. Never widened. Performed 2996 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2996 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-11-23 00:52:50,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:50,842 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:52:50,842 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:52:50,842 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ddfad388-7cdc-4fad-a231-7a1cc2e72a16/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 00:52:50,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:50,859 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:52:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:50,936 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:52:51,017 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:52:51,018 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:52:51,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 00:52:51,257 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 00:52:51,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2018-11-23 00:52:51,257 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:52:51,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 00:52:51,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 00:52:51,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-11-23 00:52:51,258 INFO L87 Difference]: Start difference. First operand 465 states and 550 transitions. Second operand 8 states. [2018-11-23 00:52:51,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:52:51,419 INFO L93 Difference]: Finished difference Result 1310 states and 1585 transitions. [2018-11-23 00:52:51,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 00:52:51,420 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2018-11-23 00:52:51,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:52:51,422 INFO L225 Difference]: With dead ends: 1310 [2018-11-23 00:52:51,422 INFO L226 Difference]: Without dead ends: 869 [2018-11-23 00:52:51,423 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 179 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-11-23 00:52:51,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2018-11-23 00:52:51,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 866. [2018-11-23 00:52:51,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 866 states. [2018-11-23 00:52:51,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1025 transitions. [2018-11-23 00:52:51,455 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1025 transitions. Word has length 95 [2018-11-23 00:52:51,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:52:51,455 INFO L480 AbstractCegarLoop]: Abstraction has 866 states and 1025 transitions. [2018-11-23 00:52:51,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 00:52:51,455 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1025 transitions. [2018-11-23 00:52:51,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 00:52:51,458 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:52:51,458 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] [2018-11-23 00:52:51,458 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:52:51,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:51,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1976763213, now seen corresponding path program 1 times [2018-11-23 00:52:51,458 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:52:51,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:51,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:51,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:51,460 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:52:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:51,568 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 00:52:51,568 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:52:51,568 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 00:52:51,568 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:52:51,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 00:52:51,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 00:52:51,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:52:51,569 INFO L87 Difference]: Start difference. First operand 866 states and 1025 transitions. Second operand 10 states. [2018-11-23 00:52:51,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:52:51,669 INFO L93 Difference]: Finished difference Result 1656 states and 1997 transitions. [2018-11-23 00:52:51,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 00:52:51,670 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2018-11-23 00:52:51,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:52:51,673 INFO L225 Difference]: With dead ends: 1656 [2018-11-23 00:52:51,673 INFO L226 Difference]: Without dead ends: 814 [2018-11-23 00:52:51,674 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-23 00:52:51,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2018-11-23 00:52:51,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 800. [2018-11-23 00:52:51,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 800 states. [2018-11-23 00:52:51,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 933 transitions. [2018-11-23 00:52:51,698 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 933 transitions. Word has length 99 [2018-11-23 00:52:51,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:52:51,698 INFO L480 AbstractCegarLoop]: Abstraction has 800 states and 933 transitions. [2018-11-23 00:52:51,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 00:52:51,699 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 933 transitions. [2018-11-23 00:52:51,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 00:52:51,700 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:52:51,700 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] [2018-11-23 00:52:51,700 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:52:51,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:52:51,700 INFO L82 PathProgramCache]: Analyzing trace with hash 636816401, now seen corresponding path program 1 times [2018-11-23 00:52:51,700 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:52:51,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:51,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:52:51,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:52:51,701 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:52:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:51,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 00:52:51,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:52:51,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 00:52:51,766 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:52:51,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 00:52:51,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 00:52:51,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:52:51,767 INFO L87 Difference]: Start difference. First operand 800 states and 933 transitions. Second operand 10 states. [2018-11-23 00:52:51,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:52:51,856 INFO L93 Difference]: Finished difference Result 1577 states and 1844 transitions. [2018-11-23 00:52:51,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 00:52:51,857 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2018-11-23 00:52:51,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:52:51,858 INFO L225 Difference]: With dead ends: 1577 [2018-11-23 00:52:51,858 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 00:52:51,859 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-23 00:52:51,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 00:52:51,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 00:52:51,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 00:52:51,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 00:52:51,860 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2018-11-23 00:52:51,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:52:51,860 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:52:51,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 00:52:51,860 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 00:52:51,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:52:51,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 00:52:52,386 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 29 [2018-11-23 00:52:52,576 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2018-11-23 00:52:53,015 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2018-11-23 00:52:53,334 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2018-11-23 00:52:53,774 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 37 [2018-11-23 00:52:53,918 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-23 00:52:53,918 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-23 00:52:53,918 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-23 00:52:53,918 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-23 00:52:53,918 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-23 00:52:53,918 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 528 550) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:52:53,918 INFO L444 ceAbstractionStarter]: At program point L540(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~5 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:52:53,918 INFO L444 ceAbstractionStarter]: At program point L540-1(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~5 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:52:53,919 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 545) no Hoare annotation was computed. [2018-11-23 00:52:53,919 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 538 545) no Hoare annotation was computed. [2018-11-23 00:52:53,919 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 528 550) no Hoare annotation was computed. [2018-11-23 00:52:53,919 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 00:52:53,919 INFO L444 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:52:53,919 INFO L444 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:52:53,919 INFO L444 ceAbstractionStarter]: At program point L534-1(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:52:53,919 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 528 550) no Hoare annotation was computed. [2018-11-23 00:52:53,919 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2018-11-23 00:52:53,919 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2018-11-23 00:52:53,919 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 193 201) no Hoare annotation was computed. [2018-11-23 00:52:53,919 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-23 00:52:53,920 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-23 00:52:53,920 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 518 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:52:53,920 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 518 527) no Hoare annotation was computed. [2018-11-23 00:52:53,920 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 518 527) no Hoare annotation was computed. [2018-11-23 00:52:53,920 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 182 192) the Hoare annotation is: true [2018-11-23 00:52:53,920 INFO L451 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: true [2018-11-23 00:52:53,920 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 182 192) no Hoare annotation was computed. [2018-11-23 00:52:53,920 INFO L448 ceAbstractionStarter]: For program point L187-1(line 187) no Hoare annotation was computed. [2018-11-23 00:52:53,920 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 182 192) no Hoare annotation was computed. [2018-11-23 00:52:53,920 INFO L448 ceAbstractionStarter]: For program point L445(lines 445 451) no Hoare annotation was computed. [2018-11-23 00:52:53,920 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 441 454) no Hoare annotation was computed. [2018-11-23 00:52:53,920 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 441 454) the Hoare annotation is: true [2018-11-23 00:52:53,920 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 441 454) no Hoare annotation was computed. [2018-11-23 00:52:53,921 INFO L444 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2) (or .cse1 .cse2 .cse3 .cse5) (or .cse4 .cse2 .cse5))) [2018-11-23 00:52:53,921 INFO L448 ceAbstractionStarter]: For program point L129-1(line 129) no Hoare annotation was computed. [2018-11-23 00:52:53,921 INFO L448 ceAbstractionStarter]: For program point L127(lines 127 144) no Hoare annotation was computed. [2018-11-23 00:52:53,921 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 123 147) no Hoare annotation was computed. [2018-11-23 00:52:53,921 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 123 147) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse3 .cse5) (or .cse4 .cse3 .cse5 .cse6) (or .cse2 .cse1 .cse3 .cse6))) [2018-11-23 00:52:53,921 INFO L444 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or .cse0 .cse4 .cse3) (or .cse2 .cse1 .cse3 .cse5))) [2018-11-23 00:52:53,921 INFO L448 ceAbstractionStarter]: For program point L142-1(lines 123 147) no Hoare annotation was computed. [2018-11-23 00:52:53,921 INFO L444 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (let ((.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (and (not (= ~waterLevel~0 2)) (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1) (or .cse5 .cse1 .cse2) (or .cse4 .cse0 .cse1 .cse3))) [2018-11-23 00:52:53,921 INFO L444 ceAbstractionStarter]: At program point L133(line 133) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse1) (or .cse4 .cse5 .cse2) (or .cse5 .cse2 .cse3))) [2018-11-23 00:52:53,922 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 139) no Hoare annotation was computed. [2018-11-23 00:52:53,922 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 115 121) no Hoare annotation was computed. [2018-11-23 00:52:53,922 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 115 121) the Hoare annotation is: true [2018-11-23 00:52:53,922 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 261 324) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:52:53,922 INFO L444 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (not (= ~waterLevel~0 2)) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse2) (and .cse1 .cse4 .cse2) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse4 .cse2))) [2018-11-23 00:52:53,922 INFO L444 ceAbstractionStarter]: At program point L314(lines 271 316) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (not (= ~waterLevel~0 2)) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse2) (and .cse1 .cse4 .cse2) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse4 .cse2))) [2018-11-23 00:52:53,922 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 287) no Hoare annotation was computed. [2018-11-23 00:52:53,922 INFO L448 ceAbstractionStarter]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2018-11-23 00:52:53,922 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 261 324) no Hoare annotation was computed. [2018-11-23 00:52:53,922 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 277) no Hoare annotation was computed. [2018-11-23 00:52:53,922 INFO L444 ceAbstractionStarter]: At program point L317(lines 270 318) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:52:53,922 INFO L448 ceAbstractionStarter]: For program point L307(lines 307 311) no Hoare annotation was computed. [2018-11-23 00:52:53,922 INFO L444 ceAbstractionStarter]: At program point L307-2(lines 301 312) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse1 .cse4 .cse2) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse4 .cse2))) [2018-11-23 00:52:53,922 INFO L448 ceAbstractionStarter]: For program point L272(lines 271 316) no Hoare annotation was computed. [2018-11-23 00:52:53,923 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 312) no Hoare annotation was computed. [2018-11-23 00:52:53,923 INFO L444 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse1 .cse4 .cse2) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse4 .cse2))) [2018-11-23 00:52:53,923 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 297) no Hoare annotation was computed. [2018-11-23 00:52:53,923 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 261 324) no Hoare annotation was computed. [2018-11-23 00:52:53,923 INFO L448 ceAbstractionStarter]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2018-11-23 00:52:53,923 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 148 155) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 00:52:53,923 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 148 155) no Hoare annotation was computed. [2018-11-23 00:52:53,923 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 148 155) no Hoare annotation was computed. [2018-11-23 00:52:53,923 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:52:53,923 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-23 00:52:53,923 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:52:53,923 INFO L448 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2018-11-23 00:52:53,923 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 157 173) no Hoare annotation was computed. [2018-11-23 00:52:53,923 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 157 173) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 00:52:53,924 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 (and (= ~methaneLevelCritical~0 activatePump_~tmp~1) .cse2) .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 00:52:53,924 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 157 173) no Hoare annotation was computed. [2018-11-23 00:52:53,924 INFO L448 ceAbstractionStarter]: For program point L164(lines 164 170) no Hoare annotation was computed. [2018-11-23 00:52:53,924 INFO L444 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 00:52:53,924 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2018-11-23 00:52:53,924 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 432 440) no Hoare annotation was computed. [2018-11-23 00:52:53,924 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2018-11-23 00:52:53,924 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 238 256) no Hoare annotation was computed. [2018-11-23 00:52:53,924 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 251) no Hoare annotation was computed. [2018-11-23 00:52:53,924 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 238 256) the Hoare annotation is: true [2018-11-23 00:52:53,924 INFO L451 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: true [2018-11-23 00:52:53,924 INFO L448 ceAbstractionStarter]: For program point L247-2(lines 247 251) no Hoare annotation was computed. [2018-11-23 00:52:53,924 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 238 256) no Hoare annotation was computed. [2018-11-23 00:52:53,924 INFO L448 ceAbstractionStarter]: For program point L245-1(line 245) no Hoare annotation was computed. [2018-11-23 00:52:53,925 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (= ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse1 .cse3) (or .cse5 .cse6 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse6))) [2018-11-23 00:52:53,925 INFO L448 ceAbstractionStarter]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2018-11-23 00:52:53,925 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2018-11-23 00:52:53,925 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 457 486) no Hoare annotation was computed. [2018-11-23 00:52:53,925 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-23 00:52:53,925 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 457 486) the Hoare annotation is: true [2018-11-23 00:52:53,925 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2018-11-23 00:52:53,925 INFO L451 ceAbstractionStarter]: At program point L471-1(lines 471 475) the Hoare annotation is: true [2018-11-23 00:52:53,925 INFO L448 ceAbstractionStarter]: For program point L468(line 468) no Hoare annotation was computed. [2018-11-23 00:52:53,925 INFO L451 ceAbstractionStarter]: At program point L467-2(lines 467 481) the Hoare annotation is: true [2018-11-23 00:52:53,925 INFO L451 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2018-11-23 00:52:53,925 INFO L448 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2018-11-23 00:52:53,925 INFO L451 ceAbstractionStarter]: At program point L482(lines 457 486) the Hoare annotation is: true [2018-11-23 00:52:53,926 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 400 408) the Hoare annotation is: true [2018-11-23 00:52:53,926 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2018-11-23 00:52:53,926 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2018-11-23 00:52:53,926 INFO L444 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or .cse6 .cse2 .cse3 .cse7 .cse5) (or .cse0 .cse4 .cse3) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse6 .cse2 .cse3 .cse7))) [2018-11-23 00:52:53,926 INFO L448 ceAbstractionStarter]: For program point L95(lines 94 113) no Hoare annotation was computed. [2018-11-23 00:52:53,926 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 91 114) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| 2)) (.cse9 (not (= ~waterLevel~0 2))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= 0 ~pumpRunning~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3 .cse6) (or .cse0 .cse4 .cse3 .cse7) (or .cse0 .cse8 .cse4 .cse3 .cse9) (or .cse9 .cse8 .cse2 .cse3 .cse10) (or .cse8 .cse4 .cse3 .cse10 .cse9) (or .cse5 .cse2 .cse3 .cse6 .cse10) (or .cse4 .cse5 .cse3 .cse6 .cse10) (or .cse0 .cse8 .cse2 .cse3 .cse9) (or .cse4 .cse3 .cse7 .cse10) (or .cse1 .cse2 .cse3 .cse10) (or .cse0 .cse5 .cse2 .cse3 .cse6))) [2018-11-23 00:52:53,926 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 91 114) no Hoare annotation was computed. [2018-11-23 00:52:53,926 INFO L444 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse8 (= |old(~waterLevel~0)| 2)) (.cse9 (not (= ~waterLevel~0 2))) (.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse10 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3 .cse6) (or .cse0 .cse4 .cse3 .cse7) (or .cse0 .cse8 .cse4 .cse3 .cse9) (or .cse8 .cse4 .cse3 .cse10 .cse9) (or .cse4 .cse5 .cse3 .cse6 .cse10) (or .cse4 .cse3 .cse7 .cse10) (or .cse2 .cse1 .cse3 .cse10))) [2018-11-23 00:52:53,926 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 91 114) no Hoare annotation was computed. [2018-11-23 00:52:53,927 INFO L444 ceAbstractionStarter]: At program point L102(lines 102 108) the Hoare annotation is: (let ((.cse7 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse10 (= |old(~waterLevel~0)| 2)) (.cse4 (not (= ~waterLevel~0 2))) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5)) (or .cse6 .cse0 .cse7 .cse2 .cse8) (or .cse6 .cse1 .cse9 .cse2) (or .cse7 .cse0 .cse2 .cse8 .cse3) (or .cse6 .cse10 .cse0 .cse4 .cse2) (or .cse10 .cse0 .cse4 .cse2 .cse3) (or .cse9 .cse1 .cse2 .cse3) (or .cse6 .cse0 .cse1 .cse2 .cse5))) [2018-11-23 00:52:53,927 INFO L444 ceAbstractionStarter]: At program point L351(line 351) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse4 .cse1) (or (= ~waterLevel~0 2) .cse4 .cse1 .cse2))) [2018-11-23 00:52:53,927 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 328 360) no Hoare annotation was computed. [2018-11-23 00:52:53,927 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2018-11-23 00:52:53,927 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 328 360) the Hoare annotation is: true [2018-11-23 00:52:53,927 INFO L444 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~waterLevel~0 2)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse3 .cse2 .cse5) (or .cse4 .cse1 .cse2 .cse5))) [2018-11-23 00:52:53,927 INFO L448 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2018-11-23 00:52:53,927 INFO L448 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2018-11-23 00:52:53,927 INFO L448 ceAbstractionStarter]: For program point L343-1(lines 328 360) no Hoare annotation was computed. [2018-11-23 00:52:53,927 INFO L444 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1))) [2018-11-23 00:52:53,927 INFO L448 ceAbstractionStarter]: For program point L341-1(line 341) no Hoare annotation was computed. [2018-11-23 00:52:53,927 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 357) no Hoare annotation was computed. [2018-11-23 00:52:53,927 INFO L451 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: true [2018-11-23 00:52:53,927 INFO L448 ceAbstractionStarter]: For program point L335-1(line 335) no Hoare annotation was computed. [2018-11-23 00:52:53,927 INFO L448 ceAbstractionStarter]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2018-11-23 00:52:53,928 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: (let ((.cse0 (= 1 ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 00:52:53,928 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2018-11-23 00:52:53,928 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 511 517) no Hoare annotation was computed. [2018-11-23 00:52:53,928 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 511 517) the Hoare annotation is: true [2018-11-23 00:52:53,928 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:52:53,928 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-23 00:52:53,928 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 00:52:53,928 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:52:53,928 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2018-11-23 00:52:53,928 INFO L448 ceAbstractionStarter]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2018-11-23 00:52:53,928 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: (let ((.cse5 (not (= 1 ~pumpRunning~0))) (.cse7 (= |old(~waterLevel~0)| 2)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= ~waterLevel~0 2))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse3 .cse4) (or .cse6 .cse7 .cse5 .cse2 .cse8) (or .cse6 .cse1 .cse5 .cse2 .cse3) (or .cse8 .cse7 .cse5 .cse2 .cse4) (or .cse6 .cse7 .cse0 .cse2 .cse8) (or .cse7 .cse0 .cse2 .cse4 .cse8) (or .cse6 .cse0 .cse1 .cse2 .cse3))) [2018-11-23 00:52:53,928 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2018-11-23 00:52:53,928 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2018-11-23 00:52:53,928 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2018-11-23 00:52:53,929 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2018-11-23 00:52:53,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:52:53 BoogieIcfgContainer [2018-11-23 00:52:53,938 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 00:52:53,939 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:52:53,939 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:52:53,939 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:52:53,939 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:48" (3/4) ... [2018-11-23 00:52:53,946 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:52:53,950 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 00:52:53,950 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 00:52:53,950 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 00:52:53,950 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 00:52:53,950 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 00:52:53,950 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 00:52:53,950 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 00:52:53,950 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 00:52:53,950 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 00:52:53,951 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 00:52:53,951 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 00:52:53,951 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-23 00:52:53,951 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 00:52:53,951 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 00:52:53,951 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 00:52:53,951 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 00:52:53,951 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 00:52:53,951 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 00:52:53,951 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 00:52:53,951 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 00:52:53,951 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-23 00:52:53,951 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 00:52:53,952 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 00:52:53,952 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 00:52:53,952 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 00:52:53,958 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-23 00:52:53,958 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 00:52:53,958 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 00:52:53,959 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 00:52:53,959 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 00:52:53,959 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 00:52:53,960 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 00:52:53,983 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(waterLevel == 2) && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == methaneLevelCritical && pumpRunning == 1) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((pumpRunning == 1 && methaneLevelCritical == 1) && splverifierCounter == 0) [2018-11-23 00:52:53,983 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 00:52:54,014 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ddfad388-7cdc-4fad-a231-7a1cc2e72a16/bin-2019/utaipan/witness.graphml [2018-11-23 00:52:54,014 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:52:54,015 INFO L168 Benchmark]: Toolchain (without parser) took 6667.13 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 260.6 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -217.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. [2018-11-23 00:52:54,015 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:52:54,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-23 00:52:54,016 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:52:54,016 INFO L168 Benchmark]: Boogie Preprocessor took 26.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:52:54,016 INFO L168 Benchmark]: RCFGBuilder took 474.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2018-11-23 00:52:54,016 INFO L168 Benchmark]: TraceAbstraction took 5679.34 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 131.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -116.1 MB). Peak memory consumption was 369.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:52:54,017 INFO L168 Benchmark]: Witness Printer took 75.53 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:52:54,018 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 383.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 474.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5679.34 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 131.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -116.1 MB). Peak memory consumption was 369.4 MB. Max. memory is 11.5 GB. * Witness Printer took 75.53 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: 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: 271]: Loop Invariant Derived loop invariant: (((((((((!(waterLevel == 2) && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == methaneLevelCritical && pumpRunning == 1) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((pumpRunning == 1 && methaneLevelCritical == 1) && splverifierCounter == 0) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 136 locations, 1 error locations. SAFE Result, 5.6s OverallTime, 12 OverallIterations, 2 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1778 SDtfs, 726 SDslu, 6625 SDs, 0 SdLazy, 1055 SolverSat, 141 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 307 GetRequests, 217 SyntacticMatches, 6 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=866occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 65 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 1652 PreInvPairs, 1756 NumberOfFragments, 1994 HoareAnnotationTreeSize, 1652 FomulaSimplifications, 1183 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 56 FomulaSimplificationsInter, 7802 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1022 NumberOfCodeBlocks, 1022 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1103 ConstructedInterpolants, 0 QuantifiedInterpolants, 156899 SizeOfPredicates, 6 NumberOfNonLiveVariables, 726 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 11/15 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...