./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product60_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_3fac7382-3fdf-4941-bcd3-c9f614186996/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3fac7382-3fdf-4941-bcd3-c9f614186996/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3fac7382-3fdf-4941-bcd3-c9f614186996/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3fac7382-3fdf-4941-bcd3-c9f614186996/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product60_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3fac7382-3fdf-4941-bcd3-c9f614186996/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3fac7382-3fdf-4941-bcd3-c9f614186996/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 21b7318e0534e2795ffc81aa5194a01e66c6f479 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:44:40,811 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:44:40,812 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:44:40,819 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:44:40,819 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:44:40,820 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:44:40,820 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:44:40,822 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:44:40,823 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:44:40,823 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:44:40,824 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:44:40,824 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:44:40,825 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:44:40,825 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:44:40,826 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:44:40,827 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:44:40,827 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:44:40,829 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:44:40,830 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:44:40,831 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:44:40,832 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:44:40,833 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:44:40,834 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:44:40,834 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:44:40,835 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:44:40,835 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:44:40,836 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:44:40,836 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:44:40,837 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:44:40,838 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:44:40,838 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:44:40,839 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:44:40,839 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:44:40,839 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:44:40,840 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:44:40,840 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:44:40,841 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3fac7382-3fdf-4941-bcd3-c9f614186996/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 12:44:40,850 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:44:40,850 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:44:40,851 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:44:40,851 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:44:40,851 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 12:44:40,851 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 12:44:40,851 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 12:44:40,852 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 12:44:40,852 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 12:44:40,852 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 12:44:40,852 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 12:44:40,852 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 12:44:40,852 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 12:44:40,853 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:44:40,853 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:44:40,853 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:44:40,853 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:44:40,853 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:44:40,853 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:44:40,854 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:44:40,854 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:44:40,854 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:44:40,854 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:44:40,854 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:44:40,854 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:44:40,854 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:44:40,855 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:44:40,855 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:44:40,855 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:44:40,855 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:44:40,855 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:44:40,855 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:44:40,855 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:44:40,855 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 12:44:40,856 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:44:40,856 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:44:40,856 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:44:40,856 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_3fac7382-3fdf-4941-bcd3-c9f614186996/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 -> 21b7318e0534e2795ffc81aa5194a01e66c6f479 [2018-11-23 12:44:40,878 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:44:40,886 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:44:40,888 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:44:40,889 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:44:40,889 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:44:40,890 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3fac7382-3fdf-4941-bcd3-c9f614186996/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product60_true-unreach-call_false-termination.cil.c [2018-11-23 12:44:40,926 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3fac7382-3fdf-4941-bcd3-c9f614186996/bin-2019/utaipan/data/b1d756e54/988a27a895c3431b8650329df2f85285/FLAG541319e9f [2018-11-23 12:44:41,376 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:44:41,376 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3fac7382-3fdf-4941-bcd3-c9f614186996/sv-benchmarks/c/product-lines/minepump_spec1_product60_true-unreach-call_false-termination.cil.c [2018-11-23 12:44:41,386 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3fac7382-3fdf-4941-bcd3-c9f614186996/bin-2019/utaipan/data/b1d756e54/988a27a895c3431b8650329df2f85285/FLAG541319e9f [2018-11-23 12:44:41,397 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3fac7382-3fdf-4941-bcd3-c9f614186996/bin-2019/utaipan/data/b1d756e54/988a27a895c3431b8650329df2f85285 [2018-11-23 12:44:41,399 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:44:41,400 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:44:41,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:44:41,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:44:41,404 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:44:41,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:44:41" (1/1) ... [2018-11-23 12:44:41,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f66bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:41, skipping insertion in model container [2018-11-23 12:44:41,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:44:41" (1/1) ... [2018-11-23 12:44:41,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:44:41,446 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:44:41,660 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:44:41,669 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:44:41,787 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:44:41,811 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:44:41,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:41 WrapperNode [2018-11-23 12:44:41,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:44:41,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:44:41,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:44:41,812 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:44:41,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:41" (1/1) ... [2018-11-23 12:44:41,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:41" (1/1) ... [2018-11-23 12:44:41,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:44:41,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:44:41,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:44:41,841 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:44:41,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:41" (1/1) ... [2018-11-23 12:44:41,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:41" (1/1) ... [2018-11-23 12:44:41,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:41" (1/1) ... [2018-11-23 12:44:41,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:41" (1/1) ... [2018-11-23 12:44:41,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:41" (1/1) ... [2018-11-23 12:44:41,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:41" (1/1) ... [2018-11-23 12:44:41,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:41" (1/1) ... [2018-11-23 12:44:41,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:44:41,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:44:41,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:44:41,872 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:44:41,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fac7382-3fdf-4941-bcd3-c9f614186996/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 12:44:41,921 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 12:44:41,921 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 12:44:41,921 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:44:41,921 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:44:41,921 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 12:44:41,921 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 12:44:41,921 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 12:44:41,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 12:44:41,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:44:41,922 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 12:44:41,922 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 12:44:41,922 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 12:44:41,922 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 12:44:41,922 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 12:44:41,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 12:44:41,922 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 12:44:41,923 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 12:44:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 12:44:41,923 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 12:44:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 12:44:41,923 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 12:44:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 12:44:41,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 12:44:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 12:44:41,923 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 12:44:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 12:44:41,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 12:44:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 12:44:41,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 12:44:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 12:44:41,924 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 12:44:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 12:44:41,924 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 12:44:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 12:44:41,924 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 12:44:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 12:44:41,925 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 12:44:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 12:44:41,925 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 12:44:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 12:44:41,925 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 12:44:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 12:44:41,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 12:44:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 12:44:41,925 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 12:44:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 12:44:41,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 12:44:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 12:44:41,926 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 12:44:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 12:44:41,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 12:44:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 12:44:41,926 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 12:44:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 12:44:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:44:41,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:44:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 12:44:41,927 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 12:44:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 12:44:41,927 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 12:44:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:44:41,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:44:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-23 12:44:41,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-23 12:44:42,351 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:44:42,351 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 12:44:42,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:44:42 BoogieIcfgContainer [2018-11-23 12:44:42,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:44:42,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:44:42,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:44:42,355 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:44:42,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:44:41" (1/3) ... [2018-11-23 12:44:42,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb3a562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:44:42, skipping insertion in model container [2018-11-23 12:44:42,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:41" (2/3) ... [2018-11-23 12:44:42,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb3a562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:44:42, skipping insertion in model container [2018-11-23 12:44:42,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:44:42" (3/3) ... [2018-11-23 12:44:42,358 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product60_true-unreach-call_false-termination.cil.c [2018-11-23 12:44:42,366 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:44:42,372 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:44:42,385 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:44:42,410 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:44:42,411 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:44:42,411 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:44:42,411 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:44:42,411 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:44:42,411 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:44:42,411 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:44:42,411 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:44:42,427 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2018-11-23 12:44:42,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 12:44:42,434 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:44:42,435 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:44:42,437 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:44:42,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:44:42,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1147007446, now seen corresponding path program 1 times [2018-11-23 12:44:42,444 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:44:42,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:42,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:44:42,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:42,477 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:44:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:44:42,625 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 12:44:42,627 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:44:42,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 12:44:42,627 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:44:42,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 12:44:42,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 12:44:42,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 12:44:42,640 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2018-11-23 12:44:42,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:44:42,673 INFO L93 Difference]: Finished difference Result 300 states and 369 transitions. [2018-11-23 12:44:42,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 12:44:42,674 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 12:44:42,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:44:42,683 INFO L225 Difference]: With dead ends: 300 [2018-11-23 12:44:42,683 INFO L226 Difference]: Without dead ends: 150 [2018-11-23 12:44:42,686 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 12:44:42,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-11-23 12:44:42,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-11-23 12:44:42,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-23 12:44:42,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2018-11-23 12:44:42,724 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 46 [2018-11-23 12:44:42,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:44:42,725 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2018-11-23 12:44:42,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 12:44:42,725 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2018-11-23 12:44:42,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 12:44:42,727 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:44:42,728 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:44:42,728 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:44:42,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:44:42,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1325406956, now seen corresponding path program 1 times [2018-11-23 12:44:42,728 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:44:42,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:42,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:44:42,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:42,729 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:44:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:44:42,799 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 12:44:42,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:44:42,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:44:42,800 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:44:42,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:44:42,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:44:42,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:44:42,802 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 3 states. [2018-11-23 12:44:42,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:44:42,821 INFO L93 Difference]: Finished difference Result 239 states and 279 transitions. [2018-11-23 12:44:42,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:44:42,822 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 12:44:42,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:44:42,823 INFO L225 Difference]: With dead ends: 239 [2018-11-23 12:44:42,823 INFO L226 Difference]: Without dead ends: 141 [2018-11-23 12:44:42,824 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 12:44:42,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-23 12:44:42,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-23 12:44:42,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-23 12:44:42,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 164 transitions. [2018-11-23 12:44:42,834 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 164 transitions. Word has length 47 [2018-11-23 12:44:42,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:44:42,834 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 164 transitions. [2018-11-23 12:44:42,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:44:42,835 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 164 transitions. [2018-11-23 12:44:42,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 12:44:42,836 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:44:42,836 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 12:44:42,836 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:44:42,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:44:42,836 INFO L82 PathProgramCache]: Analyzing trace with hash -534330577, now seen corresponding path program 1 times [2018-11-23 12:44:42,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:44:42,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:42,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:44:42,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:42,837 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:44:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:44:42,954 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 12:44:42,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:44:42,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 12:44:42,954 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:44:42,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 12:44:42,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 12:44:42,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:44:42,955 INFO L87 Difference]: Start difference. First operand 141 states and 164 transitions. Second operand 7 states. [2018-11-23 12:44:43,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:44:43,371 INFO L93 Difference]: Finished difference Result 425 states and 512 transitions. [2018-11-23 12:44:43,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:44:43,371 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-23 12:44:43,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:44:43,374 INFO L225 Difference]: With dead ends: 425 [2018-11-23 12:44:43,374 INFO L226 Difference]: Without dead ends: 308 [2018-11-23 12:44:43,375 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:44:43,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2018-11-23 12:44:43,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 296. [2018-11-23 12:44:43,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2018-11-23 12:44:43,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 356 transitions. [2018-11-23 12:44:43,403 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 356 transitions. Word has length 52 [2018-11-23 12:44:43,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:44:43,403 INFO L480 AbstractCegarLoop]: Abstraction has 296 states and 356 transitions. [2018-11-23 12:44:43,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 12:44:43,403 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 356 transitions. [2018-11-23 12:44:43,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 12:44:43,405 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:44:43,405 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 12:44:43,405 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:44:43,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:44:43,406 INFO L82 PathProgramCache]: Analyzing trace with hash -408331355, now seen corresponding path program 1 times [2018-11-23 12:44:43,406 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:44:43,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:43,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:44:43,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:43,407 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:44:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:44:43,497 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 12:44:43,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:44:43,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:44:43,498 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:44:43,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:44:43,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:44:43,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:44:43,499 INFO L87 Difference]: Start difference. First operand 296 states and 356 transitions. Second operand 6 states. [2018-11-23 12:44:43,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:44:43,685 INFO L93 Difference]: Finished difference Result 825 states and 1016 transitions. [2018-11-23 12:44:43,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 12:44:43,686 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-11-23 12:44:43,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:44:43,689 INFO L225 Difference]: With dead ends: 825 [2018-11-23 12:44:43,689 INFO L226 Difference]: Without dead ends: 553 [2018-11-23 12:44:43,691 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:44:43,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2018-11-23 12:44:43,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 547. [2018-11-23 12:44:43,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2018-11-23 12:44:43,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 662 transitions. [2018-11-23 12:44:43,735 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 662 transitions. Word has length 57 [2018-11-23 12:44:43,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:44:43,735 INFO L480 AbstractCegarLoop]: Abstraction has 547 states and 662 transitions. [2018-11-23 12:44:43,735 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:44:43,736 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 662 transitions. [2018-11-23 12:44:43,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 12:44:43,738 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:44:43,738 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:44:43,738 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:44:43,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:44:43,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1423719401, now seen corresponding path program 1 times [2018-11-23 12:44:43,739 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:44:43,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:43,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:44:43,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:43,740 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:44:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:44:43,832 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 12:44:43,832 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:44:43,832 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 12:44:43,833 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:44:43,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 12:44:43,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 12:44:43,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:44:43,834 INFO L87 Difference]: Start difference. First operand 547 states and 662 transitions. Second operand 7 states. [2018-11-23 12:44:44,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:44:44,396 INFO L93 Difference]: Finished difference Result 1406 states and 1819 transitions. [2018-11-23 12:44:44,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 12:44:44,397 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-11-23 12:44:44,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:44:44,402 INFO L225 Difference]: With dead ends: 1406 [2018-11-23 12:44:44,402 INFO L226 Difference]: Without dead ends: 883 [2018-11-23 12:44:44,404 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 12:44:44,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2018-11-23 12:44:44,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 785. [2018-11-23 12:44:44,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2018-11-23 12:44:44,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 947 transitions. [2018-11-23 12:44:44,456 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 947 transitions. Word has length 61 [2018-11-23 12:44:44,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:44:44,456 INFO L480 AbstractCegarLoop]: Abstraction has 785 states and 947 transitions. [2018-11-23 12:44:44,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 12:44:44,457 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 947 transitions. [2018-11-23 12:44:44,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 12:44:44,459 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:44:44,459 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 12:44:44,459 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:44:44,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:44:44,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1372644600, now seen corresponding path program 1 times [2018-11-23 12:44:44,460 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:44:44,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:44,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:44:44,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:44,461 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:44:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:44:44,516 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 12:44:44,516 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:44:44,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:44:44,516 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:44:44,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:44:44,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:44:44,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:44:44,517 INFO L87 Difference]: Start difference. First operand 785 states and 947 transitions. Second operand 6 states. [2018-11-23 12:44:44,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:44:44,567 INFO L93 Difference]: Finished difference Result 1574 states and 1958 transitions. [2018-11-23 12:44:44,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 12:44:44,568 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-11-23 12:44:44,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:44:44,571 INFO L225 Difference]: With dead ends: 1574 [2018-11-23 12:44:44,571 INFO L226 Difference]: Without dead ends: 813 [2018-11-23 12:44:44,573 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:44:44,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2018-11-23 12:44:44,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 805. [2018-11-23 12:44:44,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 805 states. [2018-11-23 12:44:44,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 967 transitions. [2018-11-23 12:44:44,613 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 967 transitions. Word has length 99 [2018-11-23 12:44:44,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:44:44,613 INFO L480 AbstractCegarLoop]: Abstraction has 805 states and 967 transitions. [2018-11-23 12:44:44,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:44:44,614 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 967 transitions. [2018-11-23 12:44:44,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 12:44:44,616 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:44:44,616 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 12:44:44,616 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:44:44,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:44:44,616 INFO L82 PathProgramCache]: Analyzing trace with hash -479158262, now seen corresponding path program 1 times [2018-11-23 12:44:44,616 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:44:44,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:44,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:44:44,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:44,617 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:44:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:44:44,678 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 12:44:44,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:44:44,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 12:44:44,679 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:44:44,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 12:44:44,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 12:44:44,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:44:44,680 INFO L87 Difference]: Start difference. First operand 805 states and 967 transitions. Second operand 8 states. [2018-11-23 12:44:44,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:44:44,733 INFO L93 Difference]: Finished difference Result 1614 states and 1998 transitions. [2018-11-23 12:44:44,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 12:44:44,734 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-11-23 12:44:44,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:44:44,737 INFO L225 Difference]: With dead ends: 1614 [2018-11-23 12:44:44,737 INFO L226 Difference]: Without dead ends: 833 [2018-11-23 12:44:44,739 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 12:44:44,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2018-11-23 12:44:44,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 821. [2018-11-23 12:44:44,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2018-11-23 12:44:44,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 983 transitions. [2018-11-23 12:44:44,779 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 983 transitions. Word has length 99 [2018-11-23 12:44:44,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:44:44,779 INFO L480 AbstractCegarLoop]: Abstraction has 821 states and 983 transitions. [2018-11-23 12:44:44,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 12:44:44,780 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 983 transitions. [2018-11-23 12:44:44,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 12:44:44,781 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:44:44,782 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 12:44:44,782 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:44:44,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:44:44,782 INFO L82 PathProgramCache]: Analyzing trace with hash -486917621, now seen corresponding path program 1 times [2018-11-23 12:44:44,782 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:44:44,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:44,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:44:44,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:44,783 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:44:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:44:44,872 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 12:44:44,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:44:44,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 12:44:44,872 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:44:44,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 12:44:44,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 12:44:44,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 12:44:44,873 INFO L87 Difference]: Start difference. First operand 821 states and 983 transitions. Second operand 4 states. [2018-11-23 12:44:45,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:44:45,093 INFO L93 Difference]: Finished difference Result 2603 states and 3266 transitions. [2018-11-23 12:44:45,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 12:44:45,095 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-11-23 12:44:45,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:44:45,102 INFO L225 Difference]: With dead ends: 2603 [2018-11-23 12:44:45,102 INFO L226 Difference]: Without dead ends: 1806 [2018-11-23 12:44:45,105 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 12:44:45,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2018-11-23 12:44:45,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1775. [2018-11-23 12:44:45,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1775 states. [2018-11-23 12:44:45,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 2179 transitions. [2018-11-23 12:44:45,192 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 2179 transitions. Word has length 99 [2018-11-23 12:44:45,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:44:45,192 INFO L480 AbstractCegarLoop]: Abstraction has 1775 states and 2179 transitions. [2018-11-23 12:44:45,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 12:44:45,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2179 transitions. [2018-11-23 12:44:45,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 12:44:45,196 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:44:45,196 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:44:45,196 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:44:45,196 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:44:45,196 INFO L82 PathProgramCache]: Analyzing trace with hash 379357745, now seen corresponding path program 1 times [2018-11-23 12:44:45,196 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:44:45,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:45,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:44:45,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:45,197 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:44:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:44:45,305 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 12:44:45,305 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:44:45,305 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:44:45,306 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 104 with the following transitions: [2018-11-23 12:44:45,307 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [43], [45], [46], [49], [64], [67], [68], [72], [73], [75], [84], [88], [92], [95], [100], [103], [108], [114], [120], [128], [129], [132], [133], [134], [136], [141], [144], [145], [147], [152], [154], [155], [160], [162], [163], [164], [170], [174], [214], [218], [221], [223], [226], [236], [241], [245], [246], [249], [251], [254], [256], [259], [268], [269], [270], [271], [272], [273], [274], [275], [276], [282], [284], [285], [292], [293], [294], [295], [296], [297], [302], [306], [307], [308], [309], [310], [311], [314], [315], [316], [322], [323], [324], [326], [327], [328], [329], [334], [335], [336], [337], [338] [2018-11-23 12:44:45,338 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:44:45,339 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:44:45,768 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 12:44:45,769 INFO L272 AbstractInterpreter]: Visited 77 different actions 77 times. Never merged. Never widened. Performed 2601 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2601 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-23 12:44:45,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:44:45,796 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 12:44:46,040 INFO L227 lantSequenceWeakener]: Weakened 75 states. On average, predicates are now at 97.22% of their original sizes. [2018-11-23 12:44:46,040 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 12:44:46,290 INFO L415 sIntCurrentIteration]: We unified 102 AI predicates to 102 [2018-11-23 12:44:46,290 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 12:44:46,290 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 12:44:46,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [13] total 32 [2018-11-23 12:44:46,291 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:44:46,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-23 12:44:46,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-23 12:44:46,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2018-11-23 12:44:46,292 INFO L87 Difference]: Start difference. First operand 1775 states and 2179 transitions. Second operand 21 states. [2018-11-23 12:44:52,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:44:52,491 INFO L93 Difference]: Finished difference Result 3847 states and 4783 transitions. [2018-11-23 12:44:52,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-11-23 12:44:52,491 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 103 [2018-11-23 12:44:52,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:44:52,500 INFO L225 Difference]: With dead ends: 3847 [2018-11-23 12:44:52,500 INFO L226 Difference]: Without dead ends: 2096 [2018-11-23 12:44:52,504 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 128 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=259, Invalid=1903, Unknown=0, NotChecked=0, Total=2162 [2018-11-23 12:44:52,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2096 states. [2018-11-23 12:44:52,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2096 to 2077. [2018-11-23 12:44:52,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2077 states. [2018-11-23 12:44:52,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2077 states to 2077 states and 2463 transitions. [2018-11-23 12:44:52,595 INFO L78 Accepts]: Start accepts. Automaton has 2077 states and 2463 transitions. Word has length 103 [2018-11-23 12:44:52,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:44:52,595 INFO L480 AbstractCegarLoop]: Abstraction has 2077 states and 2463 transitions. [2018-11-23 12:44:52,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-23 12:44:52,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2077 states and 2463 transitions. [2018-11-23 12:44:52,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 12:44:52,601 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:44:52,601 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:44:52,602 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:44:52,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:44:52,602 INFO L82 PathProgramCache]: Analyzing trace with hash 788815529, now seen corresponding path program 1 times [2018-11-23 12:44:52,602 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:44:52,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:52,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:44:52,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:52,603 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:44:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:44:52,766 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 12:44:52,767 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:44:52,767 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:44:52,767 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-11-23 12:44:52,767 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [43], [45], [46], [49], [52], [54], [60], [64], [67], [68], [72], [73], [74], [75], [84], [88], [92], [95], [98], [100], [103], [106], [108], [114], [120], [128], [129], [130], [131], [132], [133], [134], [136], [141], [144], [145], [147], [152], [154], [155], [160], [162], [163], [164], [167], [170], [174], [180], [209], [213], [214], [218], [221], [223], [226], [233], [236], [241], [245], [246], [249], [251], [254], [256], [259], [265], [267], [268], [269], [270], [271], [272], [273], [274], [275], [276], [280], [281], [282], [284], [285], [286], [287], [290], [291], [292], [293], [294], [295], [296], [297], [302], [303], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317], [322], [323], [324], [326], [327], [328], [329], [332], [333], [334], [335], [336], [337], [338] [2018-11-23 12:44:52,771 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:44:52,771 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:44:54,645 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:44:54,645 INFO L272 AbstractInterpreter]: Visited 133 different actions 1037 times. Merged at 21 different actions 90 times. Never widened. Performed 39007 root evaluator evaluations with a maximum evaluation depth of 5. Performed 39007 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 20 fixpoints after 5 different actions. Largest state had 133 variables. [2018-11-23 12:44:54,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:44:54,648 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:44:54,648 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:44:54,648 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fac7382-3fdf-4941-bcd3-c9f614186996/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 12:44:54,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:44:54,655 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:44:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:44:54,755 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:44:54,861 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 12:44:54,861 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:44:55,380 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 12:44:55,406 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:44:55,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-11-23 12:44:55,406 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:44:55,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 12:44:55,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 12:44:55,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-11-23 12:44:55,407 INFO L87 Difference]: Start difference. First operand 2077 states and 2463 transitions. Second operand 9 states. [2018-11-23 12:44:56,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:44:56,670 INFO L93 Difference]: Finished difference Result 5299 states and 7163 transitions. [2018-11-23 12:44:56,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 12:44:56,674 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-11-23 12:44:56,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:44:56,691 INFO L225 Difference]: With dead ends: 5299 [2018-11-23 12:44:56,691 INFO L226 Difference]: Without dead ends: 3894 [2018-11-23 12:44:56,697 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 307 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-11-23 12:44:56,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3894 states. [2018-11-23 12:44:56,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3894 to 3149. [2018-11-23 12:44:56,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3149 states. [2018-11-23 12:44:56,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3149 states to 3149 states and 3847 transitions. [2018-11-23 12:44:56,897 INFO L78 Accepts]: Start accepts. Automaton has 3149 states and 3847 transitions. Word has length 157 [2018-11-23 12:44:56,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:44:56,898 INFO L480 AbstractCegarLoop]: Abstraction has 3149 states and 3847 transitions. [2018-11-23 12:44:56,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 12:44:56,898 INFO L276 IsEmpty]: Start isEmpty. Operand 3149 states and 3847 transitions. [2018-11-23 12:44:56,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 12:44:56,902 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:44:56,902 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:44:56,903 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:44:56,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:44:56,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1063575143, now seen corresponding path program 1 times [2018-11-23 12:44:56,903 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:44:56,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:56,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:44:56,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:44:56,904 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:44:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:44:57,014 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 12:44:57,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:44:57,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 12:44:57,015 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:44:57,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 12:44:57,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 12:44:57,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:44:57,015 INFO L87 Difference]: Start difference. First operand 3149 states and 3847 transitions. Second operand 9 states. [2018-11-23 12:44:57,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:44:57,132 INFO L93 Difference]: Finished difference Result 4129 states and 5029 transitions. [2018-11-23 12:44:57,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 12:44:57,132 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-11-23 12:44:57,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:44:57,133 INFO L225 Difference]: With dead ends: 4129 [2018-11-23 12:44:57,133 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:44:57,140 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 12:44:57,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:44:57,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:44:57,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:44:57,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:44:57,141 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2018-11-23 12:44:57,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:44:57,141 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:44:57,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 12:44:57,142 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:44:57,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:44:57,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:44:57,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:57,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:58,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:58,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:58,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:58,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:58,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:58,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:58,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:58,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:58,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:58,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:44:58,603 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 30 [2018-11-23 12:44:58,850 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 44 [2018-11-23 12:44:59,307 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 52 [2018-11-23 12:44:59,544 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 39 [2018-11-23 12:45:00,607 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 49 [2018-11-23 12:45:00,832 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 985 991) the Hoare annotation is: true [2018-11-23 12:45:00,832 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 985 991) no Hoare annotation was computed. [2018-11-23 12:45:00,832 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 992 1000) no Hoare annotation was computed. [2018-11-23 12:45:00,832 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 992 1000) the Hoare annotation is: true [2018-11-23 12:45:00,832 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 992 1000) no Hoare annotation was computed. [2018-11-23 12:45:00,832 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-23 12:45:00,832 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-23 12:45:00,832 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:45:00,832 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:45:00,832 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:45:00,832 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:45:00,833 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-23 12:45:00,833 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-23 12:45:00,833 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:45:00,833 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:45:00,833 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-23 12:45:00,833 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 943 957) no Hoare annotation was computed. [2018-11-23 12:45:00,833 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 943 957) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (and (not (= ~systemActive~0 0)) .cse5)) (.cse1 (= |old(~systemActive~0)| 0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< ~waterLevel~0 2)) (.cse7 (or .cse6 .cse4))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 (or .cse1 .cse2 .cse4)) (or .cse0 .cse5 .cse6 (< ~waterLevel~0 1)) (or (or .cse7 .cse2) .cse5) (or .cse5 (or .cse7 (not (= ~waterLevel~0 1))))))) [2018-11-23 12:45:00,833 INFO L444 ceAbstractionStarter]: At program point L949(line 949) the Hoare annotation is: (let ((.cse5 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (= |old(~systemActive~0)| 0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< ~waterLevel~0 2))) (and (or (or .cse0 .cse1) (< ~waterLevel~0 1)) (or (or .cse2 .cse3 .cse4) .cse5) (or .cse5 (or .cse3 .cse4 .cse1)) (or .cse2 .cse0 (not (= ~waterLevel~0 1))) (or .cse2 .cse0 .cse4))) [2018-11-23 12:45:00,833 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 943 957) no Hoare annotation was computed. [2018-11-23 12:45:00,833 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2018-11-23 12:45:00,834 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 860 868) no Hoare annotation was computed. [2018-11-23 12:45:00,834 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 860 868) the Hoare annotation is: true [2018-11-23 12:45:00,834 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 860 868) no Hoare annotation was computed. [2018-11-23 12:45:00,834 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 924 942) the Hoare annotation is: true [2018-11-23 12:45:00,834 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 924 942) no Hoare annotation was computed. [2018-11-23 12:45:00,834 INFO L448 ceAbstractionStarter]: For program point L933(lines 933 937) no Hoare annotation was computed. [2018-11-23 12:45:00,834 INFO L451 ceAbstractionStarter]: At program point L931(line 931) the Hoare annotation is: true [2018-11-23 12:45:00,834 INFO L448 ceAbstractionStarter]: For program point L933-2(lines 933 937) no Hoare annotation was computed. [2018-11-23 12:45:00,834 INFO L448 ceAbstractionStarter]: For program point L931-1(line 931) no Hoare annotation was computed. [2018-11-23 12:45:00,834 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 924 942) no Hoare annotation was computed. [2018-11-23 12:45:00,834 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 978 984) no Hoare annotation was computed. [2018-11-23 12:45:00,834 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 978 984) the Hoare annotation is: true [2018-11-23 12:45:00,834 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:45:00,834 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-23 12:45:00,835 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-23 12:45:00,835 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 849 859) the Hoare annotation is: true [2018-11-23 12:45:00,835 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 849 859) no Hoare annotation was computed. [2018-11-23 12:45:00,835 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 849 859) no Hoare annotation was computed. [2018-11-23 12:45:00,835 INFO L451 ceAbstractionStarter]: At program point L854(line 854) the Hoare annotation is: true [2018-11-23 12:45:00,835 INFO L448 ceAbstractionStarter]: For program point L854-1(line 854) no Hoare annotation was computed. [2018-11-23 12:45:00,835 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 841 848) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-11-23 12:45:00,835 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 841 848) no Hoare annotation was computed. [2018-11-23 12:45:00,835 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 841 848) no Hoare annotation was computed. [2018-11-23 12:45:00,835 INFO L444 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: (let ((.cse0 (and (= processEnvironment_~tmp~7 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 (not (= ~waterLevel~0 1)) .cse5) (or .cse0 .cse2 .cse3 .cse5) (or .cse4 .cse2 (< ~waterLevel~0 2) .cse5) (or .cse1 .cse4 .cse2 .cse3))) [2018-11-23 12:45:00,835 INFO L448 ceAbstractionStarter]: For program point L798(lines 798 806) no Hoare annotation was computed. [2018-11-23 12:45:00,835 INFO L444 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse4 (< ~waterLevel~0 1)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse3 .cse1 .cse4 .cse5) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse3 .cse0 .cse1 .cse4) (or .cse1 .cse4 .cse2 .cse5))) [2018-11-23 12:45:00,836 INFO L448 ceAbstractionStarter]: For program point L796-1(line 796) no Hoare annotation was computed. [2018-11-23 12:45:00,836 INFO L448 ceAbstractionStarter]: For program point L794(lines 794 811) no Hoare annotation was computed. [2018-11-23 12:45:00,836 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 790 814) no Hoare annotation was computed. [2018-11-23 12:45:00,836 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 790 814) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-11-23 12:45:00,836 INFO L444 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 12:45:00,836 INFO L448 ceAbstractionStarter]: For program point L809-1(lines 790 814) no Hoare annotation was computed. [2018-11-23 12:45:00,836 INFO L444 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 12:45:00,836 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 239) no Hoare annotation was computed. [2018-11-23 12:45:00,836 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 229 242) no Hoare annotation was computed. [2018-11-23 12:45:00,836 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 229 242) the Hoare annotation is: true [2018-11-23 12:45:00,836 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 229 242) no Hoare annotation was computed. [2018-11-23 12:45:00,836 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 756 762) no Hoare annotation was computed. [2018-11-23 12:45:00,837 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 756 762) the Hoare annotation is: true [2018-11-23 12:45:00,837 INFO L444 ceAbstractionStarter]: At program point L706-1(lines 698 713) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse5 .cse6 .cse3) (and .cse0 .cse4 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse2 .cse6 .cse3))) [2018-11-23 12:45:00,837 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 658 725) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:45:00,837 INFO L448 ceAbstractionStarter]: For program point L669(lines 668 717) no Hoare annotation was computed. [2018-11-23 12:45:00,837 INFO L444 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse0 (<= 2 ~waterLevel~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse1 .cse2) (and .cse5 .cse0 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse3 .cse4 .cse2))) [2018-11-23 12:45:00,837 INFO L448 ceAbstractionStarter]: For program point L698(lines 698 713) no Hoare annotation was computed. [2018-11-23 12:45:00,837 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 658 725) no Hoare annotation was computed. [2018-11-23 12:45:00,837 INFO L444 ceAbstractionStarter]: At program point L690(line 690) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse1) (and .cse0 .cse2 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 12:45:00,837 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 694) no Hoare annotation was computed. [2018-11-23 12:45:00,837 INFO L448 ceAbstractionStarter]: For program point L688-1(lines 688 694) no Hoare annotation was computed. [2018-11-23 12:45:00,838 INFO L444 ceAbstractionStarter]: At program point L715(lines 668 717) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse3 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse2) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 12:45:00,838 INFO L444 ceAbstractionStarter]: At program point L680(line 680) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and .cse0 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse3 (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 12:45:00,838 INFO L448 ceAbstractionStarter]: For program point L678(lines 678 684) no Hoare annotation was computed. [2018-11-23 12:45:00,838 INFO L448 ceAbstractionStarter]: For program point L678-1(lines 678 684) no Hoare annotation was computed. [2018-11-23 12:45:00,838 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 674) no Hoare annotation was computed. [2018-11-23 12:45:00,838 INFO L444 ceAbstractionStarter]: At program point L718(lines 667 719) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:45:00,838 INFO L444 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse5 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse5 .cse3) (and .cse1 .cse2 .cse6 .cse3))) [2018-11-23 12:45:00,838 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 658 725) no Hoare annotation was computed. [2018-11-23 12:45:00,838 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2018-11-23 12:45:00,839 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 815 822) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 12:45:00,839 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 815 822) no Hoare annotation was computed. [2018-11-23 12:45:00,839 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 815 822) no Hoare annotation was computed. [2018-11-23 12:45:00,839 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 243 251) no Hoare annotation was computed. [2018-11-23 12:45:00,839 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 243 251) the Hoare annotation is: true [2018-11-23 12:45:00,839 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 243 251) no Hoare annotation was computed. [2018-11-23 12:45:00,839 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:45:00,839 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 12:45:00,839 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:45:00,839 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 837) no Hoare annotation was computed. [2018-11-23 12:45:00,839 INFO L444 ceAbstractionStarter]: At program point L829(line 829) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 12:45:00,839 INFO L448 ceAbstractionStarter]: For program point L829-1(line 829) no Hoare annotation was computed. [2018-11-23 12:45:00,839 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 824 840) no Hoare annotation was computed. [2018-11-23 12:45:00,839 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 824 840) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 12:45:00,840 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 12:45:00,840 INFO L448 ceAbstractionStarter]: For program point L835-1(lines 824 840) no Hoare annotation was computed. [2018-11-23 12:45:00,840 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 905 923) no Hoare annotation was computed. [2018-11-23 12:45:00,840 INFO L451 ceAbstractionStarter]: At program point L912(line 912) the Hoare annotation is: true [2018-11-23 12:45:00,840 INFO L448 ceAbstractionStarter]: For program point L914-2(lines 914 918) no Hoare annotation was computed. [2018-11-23 12:45:00,840 INFO L448 ceAbstractionStarter]: For program point L912-1(line 912) no Hoare annotation was computed. [2018-11-23 12:45:00,840 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 905 923) the Hoare annotation is: true [2018-11-23 12:45:00,840 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 905 923) no Hoare annotation was computed. [2018-11-23 12:45:00,840 INFO L448 ceAbstractionStarter]: For program point L914(lines 914 918) no Hoare annotation was computed. [2018-11-23 12:45:00,840 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 176 187) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (< ~waterLevel~0 2)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1) (< ~waterLevel~0 1)) (or .cse2 (or .cse0 .cse3 .cse1)) (or (or (= ~systemActive~0 0) .cse3 .cse1) .cse2))) [2018-11-23 12:45:00,840 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 176 187) no Hoare annotation was computed. [2018-11-23 12:45:00,840 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 176 187) no Hoare annotation was computed. [2018-11-23 12:45:00,841 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 188 196) the Hoare annotation is: true [2018-11-23 12:45:00,841 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 188 196) no Hoare annotation was computed. [2018-11-23 12:45:00,841 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 188 196) no Hoare annotation was computed. [2018-11-23 12:45:00,841 INFO L448 ceAbstractionStarter]: For program point L736(lines 735 754) no Hoare annotation was computed. [2018-11-23 12:45:00,841 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 732 755) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse4 (= ~systemActive~0 0)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse5 (and .cse0 .cse11)) (.cse12 (< |old(~waterLevel~0)| 1)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= ~waterLevel~0 2)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (or .cse4 .cse2 .cse3) .cse5) (or .cse6 .cse7 .cse1 .cse8) (or .cse1 .cse9 .cse3 .cse10) (or (or .cse7 .cse4 .cse2) .cse5) (or .cse1 .cse11 .cse12 .cse3) (or .cse7 .cse1 .cse5 .cse12) (or .cse7 .cse1 .cse10 .cse9) (or .cse1 .cse6 (not (= ~systemActive~0 1)) .cse3 .cse8)))) [2018-11-23 12:45:00,841 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 732 755) no Hoare annotation was computed. [2018-11-23 12:45:00,841 INFO L444 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (< |old(~waterLevel~0)| 2)) (.cse0 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse10)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= 1 ~waterLevel~0)) (.cse4 (not .cse2)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (= ~waterLevel~0 2)) (.cse12 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (and .cse4 .cse5) (or .cse6 .cse3 .cse7)) (or (or .cse2 .cse3 .cse7) .cse0) (or .cse1 .cse6 .cse8 .cse9) (or .cse1 .cse6 (< |old(~waterLevel~0)| 1) (and .cse4 .cse5 .cse10)) (or .cse6 .cse11 (not (= ~systemActive~0 1)) .cse7 .cse12) (or (and .cse9 .cse4 .cse10) .cse6 .cse8 .cse7) (or .cse1 .cse6 .cse11 .cse12)))) [2018-11-23 12:45:00,842 INFO L444 ceAbstractionStarter]: At program point L743(lines 743 749) the Hoare annotation is: (let ((.cse10 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (let ((.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and (= 0 ~pumpRunning~0) .cse10)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1)))) (and (or (and (not .cse0) .cse1) (and .cse1 .cse2) (or .cse3 .cse4 .cse5)) (or (= ~waterLevel~0 2) .cse6 .cse3 (not (= |old(~waterLevel~0)| 2))) (or .cse7 (or .cse6 .cse0 .cse4)) (or (or .cse6 .cse3 .cse4) .cse1) (or .cse6 .cse3 .cse2 (< |old(~waterLevel~0)| 1)) (or .cse3 .cse8 .cse5 (and .cse9 .cse2)) (or (or .cse0 .cse4 .cse5) (and (not (= ~waterLevel~0 1)) .cse10) .cse7) (or .cse6 .cse3 .cse9 .cse8)))) [2018-11-23 12:45:00,842 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 732 755) no Hoare annotation was computed. [2018-11-23 12:45:00,842 INFO L444 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< |old(~waterLevel~0)| 1)) (.cse3 (= ~systemActive~0 0)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2) (or (or .cse0 .cse3 .cse4) (and .cse5 .cse6)) (or .cse1 .cse2 .cse7) (or (or .cse3 .cse4 .cse7) (and .cse6 .cse5)))) [2018-11-23 12:45:00,842 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-23 12:45:00,842 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-23 12:45:00,842 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-23 12:45:00,842 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-23 12:45:00,842 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-23 12:45:00,842 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-23 12:45:00,842 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-23 12:45:00,842 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-23 12:45:00,842 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-23 12:45:00,843 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-23 12:45:00,843 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 152 163) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse1 .cse0))) [2018-11-23 12:45:00,843 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 152 163) no Hoare annotation was computed. [2018-11-23 12:45:00,843 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 152 163) no Hoare annotation was computed. [2018-11-23 12:45:00,843 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-23 12:45:00,843 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-23 12:45:00,843 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:45:00,843 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-23 12:45:00,843 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:45:00,843 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:45:00,843 INFO L448 ceAbstractionStarter]: For program point L770-1(line 770) no Hoare annotation was computed. [2018-11-23 12:45:00,846 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 764 788) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) .cse3) (or .cse1 .cse2 (< ~waterLevel~0 1) .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 12:45:00,846 INFO L448 ceAbstractionStarter]: For program point L768(lines 768 785) no Hoare annotation was computed. [2018-11-23 12:45:00,846 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 764 788) no Hoare annotation was computed. [2018-11-23 12:45:00,846 INFO L444 ceAbstractionStarter]: At program point L783(line 783) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1)))) [2018-11-23 12:45:00,846 INFO L448 ceAbstractionStarter]: For program point L783-1(lines 764 788) no Hoare annotation was computed. [2018-11-23 12:45:00,846 INFO L444 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 (< ~waterLevel~0 1) (not (= ~methaneLevelCritical~0 0)) .cse2) (or .cse3 .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse3 .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2))) [2018-11-23 12:45:00,847 INFO L444 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse6 (< ~waterLevel~0 2)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 (or .cse0 .cse1 .cse6 .cse3)) (or (or .cse4 .cse0 .cse1 .cse6) (and (= processEnvironment__wrappee__highWaterSensor_~tmp~6 1) .cse5)))) [2018-11-23 12:45:00,847 INFO L448 ceAbstractionStarter]: For program point L772(lines 772 780) no Hoare annotation was computed. [2018-11-23 12:45:00,847 INFO L444 ceAbstractionStarter]: At program point L770(line 770) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) .cse3) (or .cse1 .cse2 (< ~waterLevel~0 1) .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 12:45:00,847 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 958 965) no Hoare annotation was computed. [2018-11-23 12:45:00,847 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 958 965) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse1 .cse0 .cse2 .cse3 (not (= ~waterLevel~0 2))))) [2018-11-23 12:45:00,847 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 958 965) no Hoare annotation was computed. [2018-11-23 12:45:00,847 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 164 175) no Hoare annotation was computed. [2018-11-23 12:45:00,847 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 164 175) no Hoare annotation was computed. [2018-11-23 12:45:00,848 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 164 175) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (= ~waterLevel~0 2)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse1) (or (< |old(~waterLevel~0)| 1) .cse4 (or .cse1 .cse6)) (or .cse1 .cse3 .cse6 .cse2) (or .cse4 .cse5 (or (= ~systemActive~0 0) .cse6)) (or .cse0 .cse7 .cse1 .cse8) (or .cse7 (or .cse1 (not (= ~systemActive~0 1)) .cse6) .cse8))) [2018-11-23 12:45:00,848 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 651) no Hoare annotation was computed. [2018-11-23 12:45:00,848 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 647 654) no Hoare annotation was computed. [2018-11-23 12:45:00,848 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 647 654) the Hoare annotation is: true [2018-11-23 12:45:00,848 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 647 654) no Hoare annotation was computed. [2018-11-23 12:45:00,848 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 255 279) the Hoare annotation is: true [2018-11-23 12:45:00,848 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 255 279) no Hoare annotation was computed. [2018-11-23 12:45:00,848 INFO L444 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (< ~waterLevel~0 1)) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2) (or .cse1 .cse2 .cse0))) [2018-11-23 12:45:00,848 INFO L448 ceAbstractionStarter]: For program point L267(lines 267 273) no Hoare annotation was computed. [2018-11-23 12:45:00,848 INFO L444 ceAbstractionStarter]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0) (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0))) [2018-11-23 12:45:00,848 INFO L448 ceAbstractionStarter]: For program point L265-1(line 265) no Hoare annotation was computed. [2018-11-23 12:45:00,849 INFO L448 ceAbstractionStarter]: For program point L263(lines 263 276) no Hoare annotation was computed. [2018-11-23 12:45:00,849 INFO L448 ceAbstractionStarter]: For program point L263-1(lines 255 279) no Hoare annotation was computed. [2018-11-23 12:45:00,849 INFO L451 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: true [2018-11-23 12:45:00,849 INFO L448 ceAbstractionStarter]: For program point L261-1(line 261) no Hoare annotation was computed. [2018-11-23 12:45:00,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:45:00 BoogieIcfgContainer [2018-11-23 12:45:00,868 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:45:00,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:45:00,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:45:00,869 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:45:00,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:44:42" (3/4) ... [2018-11-23 12:45:00,872 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:45:00,877 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 12:45:00,877 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 12:45:00,877 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:45:00,877 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 12:45:00,877 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 12:45:00,877 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 12:45:00,877 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 12:45:00,877 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 12:45:00,877 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 12:45:00,877 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 12:45:00,877 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 12:45:00,877 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 12:45:00,877 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 12:45:00,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 12:45:00,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 12:45:00,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 12:45:00,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:45:00,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 12:45:00,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 12:45:00,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 12:45:00,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 12:45:00,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 12:45:00,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 12:45:00,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 12:45:00,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 12:45:00,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 12:45:00,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 12:45:00,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 12:45:00,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 12:45:00,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-23 12:45:00,884 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 12:45:00,885 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 12:45:00,885 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 12:45:00,885 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 12:45:00,886 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 12:45:00,886 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:45:00,886 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:45:00,907 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 12:45:00,907 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 12:45:00,941 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3fac7382-3fdf-4941-bcd3-c9f614186996/bin-2019/utaipan/witness.graphml [2018-11-23 12:45:00,941 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:45:00,942 INFO L168 Benchmark]: Toolchain (without parser) took 19542.27 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 869.8 MB). Free memory was 955.8 MB in the beginning and 1.4 GB in the end (delta: -439.8 MB). Peak memory consumption was 430.0 MB. Max. memory is 11.5 GB. [2018-11-23 12:45:00,942 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:45:00,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 410.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -181.2 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. [2018-11-23 12:45:00,943 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.83 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-23 12:45:00,943 INFO L168 Benchmark]: Boogie Preprocessor took 30.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:45:00,943 INFO L168 Benchmark]: RCFGBuilder took 480.19 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: 56.2 MB). Peak memory consumption was 56.2 MB. Max. memory is 11.5 GB. [2018-11-23 12:45:00,943 INFO L168 Benchmark]: TraceAbstraction took 18515.63 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 716.2 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -341.9 MB). Peak memory consumption was 850.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:45:00,947 INFO L168 Benchmark]: Witness Printer took 72.83 ms. Allocated memory is still 1.9 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2018-11-23 12:45:00,948 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 410.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -181.2 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.83 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 480.19 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: 56.2 MB). Peak memory consumption was 56.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18515.63 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 716.2 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -341.9 MB). Peak memory consumption was 850.7 MB. Max. memory is 11.5 GB. * Witness Printer took 72.83 ms. Allocated memory is still 1.9 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 651]: 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: 667]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 163 locations, 1 error locations. SAFE Result, 18.4s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 9.2s AutomataDifference, 0.0s DeadEndRemovalTime, 3.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2293 SDtfs, 1920 SDslu, 9345 SDs, 0 SdLazy, 4022 SolverSat, 679 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 549 GetRequests, 427 SyntacticMatches, 3 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3149occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.3s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.996780458670062 AbsIntWeakeningRatio, 1.0686274509803921 AbsIntAvgWeakeningVarsNumRemoved, 83.32352941176471 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 931 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 4422 PreInvPairs, 4661 NumberOfFragments, 2482 HoareAnnotationTreeSize, 4422 FomulaSimplifications, 14211 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 68 FomulaSimplificationsInter, 25471 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1134 NumberOfCodeBlocks, 1134 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1278 ConstructedInterpolants, 0 QuantifiedInterpolants, 247354 SizeOfPredicates, 7 NumberOfNonLiveVariables, 885 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 142/152 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...