./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_30340668-ec48-441e-b8db-b9dd62131205/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_30340668-ec48-441e-b8db-b9dd62131205/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_30340668-ec48-441e-b8db-b9dd62131205/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_30340668-ec48-441e-b8db-b9dd62131205/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_30340668-ec48-441e-b8db-b9dd62131205/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_30340668-ec48-441e-b8db-b9dd62131205/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 454aaa6b423a8831b8582dfeb545ec6b3447f968 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:35:41,843 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:35:41,845 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:35:41,857 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:35:41,858 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:35:41,858 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:35:41,859 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:35:41,860 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:35:41,864 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:35:41,865 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:35:41,865 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:35:41,865 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:35:41,866 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:35:41,867 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:35:41,867 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:35:41,868 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:35:41,868 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:35:41,877 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:35:41,880 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:35:41,882 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:35:41,885 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:35:41,887 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:35:41,890 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:35:41,891 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:35:41,892 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:35:41,892 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:35:41,893 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:35:41,893 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:35:41,894 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:35:41,895 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:35:41,895 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:35:41,895 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:35:41,895 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:35:41,895 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:35:41,896 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:35:41,896 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:35:41,897 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_30340668-ec48-441e-b8db-b9dd62131205/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 23:35:41,912 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:35:41,913 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:35:41,913 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:35:41,914 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 23:35:41,914 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 23:35:41,914 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 23:35:41,914 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 23:35:41,915 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 23:35:41,915 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 23:35:41,915 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 23:35:41,915 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 23:35:41,916 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:35:41,917 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:35:41,918 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:35:41,918 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:35:41,918 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:35:41,918 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:35:41,918 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:35:41,918 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:35:41,918 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:35:41,918 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:35:41,919 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:35:41,919 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:35:41,919 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 23:35:41,919 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:35:41,919 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 23:35:41,919 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:35:41,919 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:35:41,919 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:35:41,920 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:35:41,920 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 23:35:41,920 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:35:41,920 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:35:41,920 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 23:35:41,920 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_30340668-ec48-441e-b8db-b9dd62131205/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 -> 454aaa6b423a8831b8582dfeb545ec6b3447f968 [2018-10-26 23:35:41,960 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:35:41,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:35:41,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:35:41,977 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:35:41,977 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:35:41,977 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_30340668-ec48-441e-b8db-b9dd62131205/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-10-26 23:35:42,024 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_30340668-ec48-441e-b8db-b9dd62131205/bin-2019/utaipan/data/bf1c469ce/daaecd9ffc534e3c9c315f4af43159bb/FLAG47728eb75 [2018-10-26 23:35:42,451 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:35:42,452 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_30340668-ec48-441e-b8db-b9dd62131205/sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-10-26 23:35:42,464 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_30340668-ec48-441e-b8db-b9dd62131205/bin-2019/utaipan/data/bf1c469ce/daaecd9ffc534e3c9c315f4af43159bb/FLAG47728eb75 [2018-10-26 23:35:42,477 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_30340668-ec48-441e-b8db-b9dd62131205/bin-2019/utaipan/data/bf1c469ce/daaecd9ffc534e3c9c315f4af43159bb [2018-10-26 23:35:42,479 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:35:42,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:35:42,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:35:42,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:35:42,484 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:35:42,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:35:42" (1/1) ... [2018-10-26 23:35:42,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ebf8acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:42, skipping insertion in model container [2018-10-26 23:35:42,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:35:42" (1/1) ... [2018-10-26 23:35:42,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:35:42,544 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:35:42,777 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:35:42,794 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:35:42,886 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:35:42,910 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:35:42,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:42 WrapperNode [2018-10-26 23:35:42,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:35:42,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:35:42,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:35:42,912 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:35:42,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:42" (1/1) ... [2018-10-26 23:35:42,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:42" (1/1) ... [2018-10-26 23:35:43,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:35:43,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:35:43,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:35:43,026 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:35:43,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:42" (1/1) ... [2018-10-26 23:35:43,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:42" (1/1) ... [2018-10-26 23:35:43,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:42" (1/1) ... [2018-10-26 23:35:43,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:42" (1/1) ... [2018-10-26 23:35:43,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:42" (1/1) ... [2018-10-26 23:35:43,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:42" (1/1) ... [2018-10-26 23:35:43,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:42" (1/1) ... [2018-10-26 23:35:43,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:35:43,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:35:43,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:35:43,080 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:35:43,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_30340668-ec48-441e-b8db-b9dd62131205/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 [2018-10-26 23:35:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 23:35:43,146 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 23:35:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 23:35:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 23:35:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-10-26 23:35:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-10-26 23:35:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 23:35:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 23:35:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-10-26 23:35:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-10-26 23:35:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 23:35:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 23:35:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 23:35:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 23:35:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 23:35:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 23:35:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-10-26 23:35:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-10-26 23:35:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-10-26 23:35:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-10-26 23:35:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-10-26 23:35:43,149 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-10-26 23:35:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-10-26 23:35:43,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-10-26 23:35:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 23:35:43,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 23:35:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 23:35:43,149 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 23:35:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 23:35:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 23:35:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 23:35:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 23:35:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-10-26 23:35:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-10-26 23:35:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-10-26 23:35:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-10-26 23:35:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 23:35:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 23:35:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 23:35:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 23:35:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 23:35:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 23:35:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 23:35:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 23:35:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 23:35:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 23:35:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-26 23:35:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-26 23:35:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 23:35:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 23:35:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 23:35:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 23:35:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 23:35:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 23:35:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:35:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:35:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 23:35:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 23:35:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-10-26 23:35:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-10-26 23:35:44,238 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:35:44,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:35:44 BoogieIcfgContainer [2018-10-26 23:35:44,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:35:44,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 23:35:44,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 23:35:44,242 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 23:35:44,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 11:35:42" (1/3) ... [2018-10-26 23:35:44,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb0ca58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:35:44, skipping insertion in model container [2018-10-26 23:35:44,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:35:42" (2/3) ... [2018-10-26 23:35:44,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb0ca58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:35:44, skipping insertion in model container [2018-10-26 23:35:44,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:35:44" (3/3) ... [2018-10-26 23:35:44,245 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-10-26 23:35:44,252 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 23:35:44,258 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 23:35:44,271 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 23:35:44,297 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 23:35:44,298 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 23:35:44,298 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 23:35:44,298 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 23:35:44,298 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 23:35:44,298 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 23:35:44,298 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 23:35:44,298 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 23:35:44,316 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2018-10-26 23:35:44,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 23:35:44,323 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:35:44,324 INFO L375 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] [2018-10-26 23:35:44,326 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:35:44,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:35:44,335 INFO L82 PathProgramCache]: Analyzing trace with hash 654227937, now seen corresponding path program 1 times [2018-10-26 23:35:44,337 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:35:44,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:35:44,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:35:44,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:35:44,367 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:35:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:35:44,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:35:44,548 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:35:44,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 23:35:44,548 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:35:44,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 23:35:44,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 23:35:44,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 23:35:44,567 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 2 states. [2018-10-26 23:35:44,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:35:44,601 INFO L93 Difference]: Finished difference Result 292 states and 357 transitions. [2018-10-26 23:35:44,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 23:35:44,602 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-10-26 23:35:44,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:35:44,613 INFO L225 Difference]: With dead ends: 292 [2018-10-26 23:35:44,613 INFO L226 Difference]: Without dead ends: 146 [2018-10-26 23:35:44,616 INFO L605 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 [2018-10-26 23:35:44,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-10-26 23:35:44,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-10-26 23:35:44,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-10-26 23:35:44,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 170 transitions. [2018-10-26 23:35:44,663 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 170 transitions. Word has length 46 [2018-10-26 23:35:44,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:35:44,664 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 170 transitions. [2018-10-26 23:35:44,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 23:35:44,664 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 170 transitions. [2018-10-26 23:35:44,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 23:35:44,666 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:35:44,666 INFO L375 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] [2018-10-26 23:35:44,667 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:35:44,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:35:44,667 INFO L82 PathProgramCache]: Analyzing trace with hash -990599128, now seen corresponding path program 1 times [2018-10-26 23:35:44,667 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:35:44,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:35:44,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:35:44,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:35:44,668 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:35:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:35:44,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:35:44,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:35:44,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:35:44,829 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:35:44,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:35:44,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:35:44,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:35:44,842 INFO L87 Difference]: Start difference. First operand 146 states and 170 transitions. Second operand 3 states. [2018-10-26 23:35:44,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:35:44,884 INFO L93 Difference]: Finished difference Result 235 states and 273 transitions. [2018-10-26 23:35:44,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:35:44,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-10-26 23:35:44,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:35:44,886 INFO L225 Difference]: With dead ends: 235 [2018-10-26 23:35:44,886 INFO L226 Difference]: Without dead ends: 136 [2018-10-26 23:35:44,887 INFO L605 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 [2018-10-26 23:35:44,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-10-26 23:35:44,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-10-26 23:35:44,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-10-26 23:35:44,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 157 transitions. [2018-10-26 23:35:44,917 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 157 transitions. Word has length 48 [2018-10-26 23:35:44,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:35:44,918 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 157 transitions. [2018-10-26 23:35:44,918 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:35:44,918 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 157 transitions. [2018-10-26 23:35:44,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 23:35:44,920 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:35:44,920 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:35:44,920 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:35:44,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:35:44,920 INFO L82 PathProgramCache]: Analyzing trace with hash -663376107, now seen corresponding path program 1 times [2018-10-26 23:35:44,920 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:35:44,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:35:44,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:35:44,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:35:44,934 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:35:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:35:45,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:35:45,219 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:35:45,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 23:35:45,219 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:35:45,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 23:35:45,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 23:35:45,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 23:35:45,221 INFO L87 Difference]: Start difference. First operand 136 states and 157 transitions. Second operand 7 states. [2018-10-26 23:35:46,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:35:46,010 INFO L93 Difference]: Finished difference Result 248 states and 291 transitions. [2018-10-26 23:35:46,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 23:35:46,011 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-10-26 23:35:46,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:35:46,013 INFO L225 Difference]: With dead ends: 248 [2018-10-26 23:35:46,013 INFO L226 Difference]: Without dead ends: 136 [2018-10-26 23:35:46,014 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-26 23:35:46,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-10-26 23:35:46,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-10-26 23:35:46,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-10-26 23:35:46,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 156 transitions. [2018-10-26 23:35:46,041 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 156 transitions. Word has length 53 [2018-10-26 23:35:46,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:35:46,042 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 156 transitions. [2018-10-26 23:35:46,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 23:35:46,042 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 156 transitions. [2018-10-26 23:35:46,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 23:35:46,044 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:35:46,044 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:35:46,044 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:35:46,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:35:46,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1345253914, now seen corresponding path program 1 times [2018-10-26 23:35:46,045 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:35:46,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:35:46,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:35:46,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:35:46,053 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:35:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:35:46,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:35:46,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:35:46,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 23:35:46,293 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:35:46,294 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 23:35:46,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 23:35:46,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 23:35:46,294 INFO L87 Difference]: Start difference. First operand 136 states and 156 transitions. Second operand 5 states. [2018-10-26 23:35:47,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:35:47,260 INFO L93 Difference]: Finished difference Result 351 states and 419 transitions. [2018-10-26 23:35:47,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 23:35:47,261 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-10-26 23:35:47,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:35:47,263 INFO L225 Difference]: With dead ends: 351 [2018-10-26 23:35:47,263 INFO L226 Difference]: Without dead ends: 239 [2018-10-26 23:35:47,264 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-26 23:35:47,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-10-26 23:35:47,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 219. [2018-10-26 23:35:47,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-10-26 23:35:47,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 248 transitions. [2018-10-26 23:35:47,290 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 248 transitions. Word has length 66 [2018-10-26 23:35:47,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:35:47,290 INFO L481 AbstractCegarLoop]: Abstraction has 219 states and 248 transitions. [2018-10-26 23:35:47,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 23:35:47,290 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 248 transitions. [2018-10-26 23:35:47,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-26 23:35:47,293 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:35:47,293 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:35:47,293 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:35:47,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:35:47,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1721223474, now seen corresponding path program 1 times [2018-10-26 23:35:47,294 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:35:47,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:35:47,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:35:47,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:35:47,295 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:35:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:35:47,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:35:47,725 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:35:47,725 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 23:35:47,727 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:35:47,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 23:35:47,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 23:35:47,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 23:35:47,728 INFO L87 Difference]: Start difference. First operand 219 states and 248 transitions. Second operand 6 states. [2018-10-26 23:35:48,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:35:48,328 INFO L93 Difference]: Finished difference Result 594 states and 694 transitions. [2018-10-26 23:35:48,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 23:35:48,329 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2018-10-26 23:35:48,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:35:48,332 INFO L225 Difference]: With dead ends: 594 [2018-10-26 23:35:48,332 INFO L226 Difference]: Without dead ends: 399 [2018-10-26 23:35:48,333 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-26 23:35:48,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-10-26 23:35:48,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 393. [2018-10-26 23:35:48,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2018-10-26 23:35:48,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 446 transitions. [2018-10-26 23:35:48,378 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 446 transitions. Word has length 80 [2018-10-26 23:35:48,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:35:48,379 INFO L481 AbstractCegarLoop]: Abstraction has 393 states and 446 transitions. [2018-10-26 23:35:48,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 23:35:48,379 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 446 transitions. [2018-10-26 23:35:48,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-26 23:35:48,381 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:35:48,381 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:35:48,389 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:35:48,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:35:48,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1727459278, now seen corresponding path program 1 times [2018-10-26 23:35:48,390 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:35:48,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:35:48,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:35:48,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:35:48,391 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:35:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:35:48,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:35:48,538 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:35:48,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 23:35:48,538 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:35:48,538 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 23:35:48,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 23:35:48,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 23:35:48,539 INFO L87 Difference]: Start difference. First operand 393 states and 446 transitions. Second operand 7 states. [2018-10-26 23:35:49,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:35:49,069 INFO L93 Difference]: Finished difference Result 430 states and 502 transitions. [2018-10-26 23:35:49,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-26 23:35:49,070 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2018-10-26 23:35:49,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:35:49,072 INFO L225 Difference]: With dead ends: 430 [2018-10-26 23:35:49,072 INFO L226 Difference]: Without dead ends: 427 [2018-10-26 23:35:49,072 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-10-26 23:35:49,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2018-10-26 23:35:49,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 393. [2018-10-26 23:35:49,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2018-10-26 23:35:49,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 445 transitions. [2018-10-26 23:35:49,103 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 445 transitions. Word has length 84 [2018-10-26 23:35:49,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:35:49,104 INFO L481 AbstractCegarLoop]: Abstraction has 393 states and 445 transitions. [2018-10-26 23:35:49,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 23:35:49,104 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 445 transitions. [2018-10-26 23:35:49,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 23:35:49,107 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:35:49,107 INFO L375 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] [2018-10-26 23:35:49,108 INFO L424 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:35:49,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:35:49,108 INFO L82 PathProgramCache]: Analyzing trace with hash 624366077, now seen corresponding path program 1 times [2018-10-26 23:35:49,108 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:35:49,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:35:49,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:35:49,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:35:49,109 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:35:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:35:49,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 23:35:49,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:35:49,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 23:35:49,355 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:35:49,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 23:35:49,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 23:35:49,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 23:35:49,356 INFO L87 Difference]: Start difference. First operand 393 states and 445 transitions. Second operand 6 states. [2018-10-26 23:35:49,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:35:49,450 INFO L93 Difference]: Finished difference Result 776 states and 898 transitions. [2018-10-26 23:35:49,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 23:35:49,451 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 100 [2018-10-26 23:35:49,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:35:49,453 INFO L225 Difference]: With dead ends: 776 [2018-10-26 23:35:49,453 INFO L226 Difference]: Without dead ends: 407 [2018-10-26 23:35:49,454 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-26 23:35:49,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2018-10-26 23:35:49,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 403. [2018-10-26 23:35:49,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-10-26 23:35:49,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 455 transitions. [2018-10-26 23:35:49,478 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 455 transitions. Word has length 100 [2018-10-26 23:35:49,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:35:49,478 INFO L481 AbstractCegarLoop]: Abstraction has 403 states and 455 transitions. [2018-10-26 23:35:49,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 23:35:49,479 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 455 transitions. [2018-10-26 23:35:49,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 23:35:49,480 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:35:49,480 INFO L375 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] [2018-10-26 23:35:49,480 INFO L424 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:35:49,481 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:35:49,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1517852415, now seen corresponding path program 1 times [2018-10-26 23:35:49,481 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:35:49,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:35:49,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:35:49,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:35:49,484 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:35:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:35:49,953 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 23:35:49,953 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:35:49,953 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-26 23:35:49,953 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:35:49,954 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 23:35:49,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 23:35:49,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-26 23:35:49,954 INFO L87 Difference]: Start difference. First operand 403 states and 455 transitions. Second operand 8 states. [2018-10-26 23:35:50,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:35:50,002 INFO L93 Difference]: Finished difference Result 796 states and 920 transitions. [2018-10-26 23:35:50,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 23:35:50,002 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 100 [2018-10-26 23:35:50,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:35:50,005 INFO L225 Difference]: With dead ends: 796 [2018-10-26 23:35:50,005 INFO L226 Difference]: Without dead ends: 417 [2018-10-26 23:35:50,008 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-26 23:35:50,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2018-10-26 23:35:50,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 411. [2018-10-26 23:35:50,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2018-10-26 23:35:50,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 463 transitions. [2018-10-26 23:35:50,041 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 463 transitions. Word has length 100 [2018-10-26 23:35:50,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:35:50,042 INFO L481 AbstractCegarLoop]: Abstraction has 411 states and 463 transitions. [2018-10-26 23:35:50,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 23:35:50,042 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 463 transitions. [2018-10-26 23:35:50,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 23:35:50,048 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:35:50,049 INFO L375 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] [2018-10-26 23:35:50,049 INFO L424 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:35:50,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:35:50,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1510093056, now seen corresponding path program 1 times [2018-10-26 23:35:50,049 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:35:50,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:35:50,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:35:50,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:35:50,050 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:35:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:35:50,167 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 23:35:50,167 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:35:50,167 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 23:35:50,167 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:35:50,168 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 23:35:50,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 23:35:50,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 23:35:50,168 INFO L87 Difference]: Start difference. First operand 411 states and 463 transitions. Second operand 4 states. [2018-10-26 23:35:51,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:35:51,343 INFO L93 Difference]: Finished difference Result 1223 states and 1446 transitions. [2018-10-26 23:35:51,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 23:35:51,344 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2018-10-26 23:35:51,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:35:51,347 INFO L225 Difference]: With dead ends: 1223 [2018-10-26 23:35:51,347 INFO L226 Difference]: Without dead ends: 836 [2018-10-26 23:35:51,349 INFO L605 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 [2018-10-26 23:35:51,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2018-10-26 23:35:51,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 821. [2018-10-26 23:35:51,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2018-10-26 23:35:51,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 951 transitions. [2018-10-26 23:35:51,393 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 951 transitions. Word has length 100 [2018-10-26 23:35:51,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:35:51,393 INFO L481 AbstractCegarLoop]: Abstraction has 821 states and 951 transitions. [2018-10-26 23:35:51,394 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 23:35:51,394 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 951 transitions. [2018-10-26 23:35:51,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-26 23:35:51,396 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:35:51,396 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:35:51,396 INFO L424 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:35:51,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:35:51,396 INFO L82 PathProgramCache]: Analyzing trace with hash 360688998, now seen corresponding path program 1 times [2018-10-26 23:35:51,397 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:35:51,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:35:51,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:35:51,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:35:51,399 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:35:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:35:51,653 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 23:35:51,653 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:35:51,653 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 23:35:51,654 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 105 with the following transitions: [2018-10-26 23:35:51,655 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [40], [44], [45], [46], [61], [64], [66], [70], [76], [80], [84], [87], [92], [95], [100], [106], [109], [119], [120], [123], [124], [125], [127], [132], [135], [136], [138], [143], [145], [146], [151], [153], [154], [155], [188], [192], [209], [210], [213], [215], [218], [228], [233], [237], [238], [241], [243], [246], [248], [251], [260], [261], [262], [263], [264], [265], [266], [267], [268], [272], [274], [275], [282], [283], [284], [285], [286], [287], [290], [294], [295], [296], [297], [298], [299], [306], [307], [308], [310], [311], [312], [314], [315], [316], [317], [322], [323], [324], [325], [326] [2018-10-26 23:35:51,702 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 23:35:51,703 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 23:35:59,215 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 23:35:59,216 INFO L272 AbstractInterpreter]: Visited 78 different actions 78 times. Never merged. Never widened. Never found a fixpoint. Largest state had 133 variables. [2018-10-26 23:35:59,229 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:35:59,229 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 23:36:04,682 INFO L227 lantSequenceWeakener]: Weakened 77 states. On average, predicates are now at 97.16% of their original sizes. [2018-10-26 23:36:04,682 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 23:36:05,410 INFO L415 sIntCurrentIteration]: We unified 103 AI predicates to 103 [2018-10-26 23:36:05,410 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 23:36:05,411 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 23:36:05,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [28] imperfect sequences [13] total 39 [2018-10-26 23:36:05,411 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:36:05,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-10-26 23:36:05,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-10-26 23:36:05,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=671, Unknown=0, NotChecked=0, Total=756 [2018-10-26 23:36:05,412 INFO L87 Difference]: Start difference. First operand 821 states and 951 transitions. Second operand 28 states. [2018-10-26 23:36:46,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:36:46,436 INFO L93 Difference]: Finished difference Result 1844 states and 2185 transitions. [2018-10-26 23:36:46,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-10-26 23:36:46,437 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 104 [2018-10-26 23:36:46,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:36:46,441 INFO L225 Difference]: With dead ends: 1844 [2018-10-26 23:36:46,441 INFO L226 Difference]: Without dead ends: 1047 [2018-10-26 23:36:46,445 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 119 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=203, Invalid=1689, Unknown=0, NotChecked=0, Total=1892 [2018-10-26 23:36:46,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2018-10-26 23:36:46,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 1013. [2018-10-26 23:36:46,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1013 states. [2018-10-26 23:36:46,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1145 transitions. [2018-10-26 23:36:46,525 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1145 transitions. Word has length 104 [2018-10-26 23:36:46,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:36:46,526 INFO L481 AbstractCegarLoop]: Abstraction has 1013 states and 1145 transitions. [2018-10-26 23:36:46,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-10-26 23:36:46,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1145 transitions. [2018-10-26 23:36:46,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 23:36:46,531 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:36:46,531 INFO L375 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, 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] [2018-10-26 23:36:46,531 INFO L424 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:36:46,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:36:46,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1226189812, now seen corresponding path program 1 times [2018-10-26 23:36:46,531 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:36:46,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:36:46,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:36:46,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:36:46,533 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:36:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:36:47,207 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 23:36:47,207 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:36:47,207 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 23:36:47,207 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 160 with the following transitions: [2018-10-26 23:36:47,208 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [40], [44], [45], [46], [49], [51], [57], [61], [64], [65], [66], [70], [76], [80], [84], [87], [90], [92], [95], [98], [100], [106], [109], [119], [120], [121], [122], [123], [124], [125], [127], [132], [135], [136], [138], [143], [145], [146], [151], [153], [154], [155], [185], [188], [192], [198], [201], [205], [209], [210], [213], [215], [218], [225], [228], [233], [237], [238], [241], [243], [246], [248], [251], [257], [259], [260], [261], [262], [263], [264], [265], [266], [267], [268], [270], [271], [272], [274], [275], [276], [277], [280], [281], [282], [283], [284], [285], [286], [287], [290], [291], [294], [295], [296], [297], [298], [299], [304], [305], [306], [307], [308], [309], [310], [311], [312], [314], [315], [316], [317], [320], [321], [322], [323], [324], [325], [326] [2018-10-26 23:36:47,214 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 23:36:47,214 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 23:38:21,221 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 23:38:21,221 INFO L272 AbstractInterpreter]: Visited 116 different actions 991 times. Merged at 20 different actions 84 times. Never widened. Found 14 fixpoints after 3 different actions. Largest state had 133 variables. [2018-10-26 23:38:21,229 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:38:21,229 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 23:38:39,260 INFO L227 lantSequenceWeakener]: Weakened 137 states. On average, predicates are now at 96.68% of their original sizes. [2018-10-26 23:38:39,260 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 23:38:41,867 INFO L415 sIntCurrentIteration]: We unified 158 AI predicates to 158 [2018-10-26 23:38:41,868 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 23:38:41,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 23:38:41,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [54] imperfect sequences [10] total 62 [2018-10-26 23:38:41,868 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:38:41,868 INFO L460 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-10-26 23:38:41,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-10-26 23:38:41,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=2585, Unknown=0, NotChecked=0, Total=2862 [2018-10-26 23:38:41,869 INFO L87 Difference]: Start difference. First operand 1013 states and 1145 transitions. Second operand 54 states. [2018-10-26 23:41:14,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:41:14,096 INFO L93 Difference]: Finished difference Result 3165 states and 4121 transitions. [2018-10-26 23:41:14,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2018-10-26 23:41:14,096 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 159 [2018-10-26 23:41:14,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:41:14,102 INFO L225 Difference]: With dead ends: 3165 [2018-10-26 23:41:14,103 INFO L226 Difference]: Without dead ends: 2364 [2018-10-26 23:41:14,111 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 284 GetRequests, 103 SyntacticMatches, 3 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10851 ImplicationChecksByTransitivity, 12.8s TimeCoverageRelationStatistics Valid=2307, Invalid=29913, Unknown=0, NotChecked=0, Total=32220 [2018-10-26 23:41:14,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2364 states. [2018-10-26 23:41:14,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2364 to 1702. [2018-10-26 23:41:14,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1702 states. [2018-10-26 23:41:14,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1702 states and 1931 transitions. [2018-10-26 23:41:14,350 INFO L78 Accepts]: Start accepts. Automaton has 1702 states and 1931 transitions. Word has length 159 [2018-10-26 23:41:14,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:41:14,352 INFO L481 AbstractCegarLoop]: Abstraction has 1702 states and 1931 transitions. [2018-10-26 23:41:14,352 INFO L482 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-10-26 23:41:14,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 1931 transitions. [2018-10-26 23:41:14,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 23:41:14,356 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:41:14,357 INFO L375 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, 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] [2018-10-26 23:41:14,358 INFO L424 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:41:14,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:41:14,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1500949426, now seen corresponding path program 1 times [2018-10-26 23:41:14,358 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:41:14,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:14,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:41:14,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:41:14,359 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:41:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:14,563 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 23:41:14,563 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:41:14,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 23:41:14,563 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:41:14,564 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 23:41:14,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 23:41:14,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 23:41:14,564 INFO L87 Difference]: Start difference. First operand 1702 states and 1931 transitions. Second operand 9 states. [2018-10-26 23:41:14,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:41:14,801 INFO L93 Difference]: Finished difference Result 2115 states and 2397 transitions. [2018-10-26 23:41:14,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 23:41:14,802 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 159 [2018-10-26 23:41:14,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:41:14,804 INFO L225 Difference]: With dead ends: 2115 [2018-10-26 23:41:14,806 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 23:41:14,809 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-10-26 23:41:14,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 23:41:14,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 23:41:14,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 23:41:14,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 23:41:14,811 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 159 [2018-10-26 23:41:14,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:41:14,812 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 23:41:14,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 23:41:14,812 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 23:41:14,812 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:41:14,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 23:41:15,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:41:15,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:41:15,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:41:15,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:41:18,027 WARN L179 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 451 DAG size of output: 429 [2018-10-26 23:41:18,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:41:18,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:41:18,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:41:18,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:41:19,154 WARN L179 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 416 DAG size of output: 395 [2018-10-26 23:41:19,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:41:19,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:41:19,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:41:20,334 WARN L179 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 415 DAG size of output: 393 [2018-10-26 23:41:20,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:41:20,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:41:20,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:41:20,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:41:21,271 WARN L179 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 398 [2018-10-26 23:41:21,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:41:21,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:41:21,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:41:21,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:41:22,913 WARN L179 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 448 DAG size of output: 426 [2018-10-26 23:41:24,187 WARN L179 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 71 [2018-10-26 23:41:24,311 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2018-10-26 23:41:24,565 WARN L179 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 1 [2018-10-26 23:41:24,698 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 35 [2018-10-26 23:41:24,900 WARN L179 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 1 [2018-10-26 23:41:25,310 WARN L179 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 46 [2018-10-26 23:41:25,901 WARN L179 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 66 [2018-10-26 23:41:26,232 WARN L179 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 25 [2018-10-26 23:41:28,682 WARN L179 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 512 DAG size of output: 56 [2018-10-26 23:41:29,564 WARN L179 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 70 [2018-10-26 23:41:31,291 WARN L179 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 478 DAG size of output: 61 [2018-10-26 23:41:31,525 WARN L179 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 1 [2018-10-26 23:41:31,711 WARN L179 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 38 [2018-10-26 23:41:32,869 WARN L179 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 322 DAG size of output: 90 [2018-10-26 23:41:34,934 WARN L179 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 476 DAG size of output: 68 [2018-10-26 23:41:36,783 WARN L179 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 481 DAG size of output: 76 [2018-10-26 23:41:37,880 WARN L179 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 282 DAG size of output: 65 [2018-10-26 23:41:38,002 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2018-10-26 23:41:38,361 WARN L179 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 53 [2018-10-26 23:41:39,474 WARN L179 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 317 DAG size of output: 92 [2018-10-26 23:41:40,290 WARN L179 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 68 [2018-10-26 23:41:40,659 WARN L179 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 25 [2018-10-26 23:41:40,948 WARN L179 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 41 [2018-10-26 23:41:41,704 WARN L179 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 69 [2018-10-26 23:41:41,811 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2018-10-26 23:41:42,419 WARN L179 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 51 [2018-10-26 23:41:42,709 WARN L179 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 49 [2018-10-26 23:41:45,167 WARN L179 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 509 DAG size of output: 53 [2018-10-26 23:41:45,767 WARN L179 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 55 [2018-10-26 23:41:46,054 WARN L179 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 44 [2018-10-26 23:41:46,818 WARN L179 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 66 [2018-10-26 23:41:46,935 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 38 [2018-10-26 23:41:47,053 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 38 [2018-10-26 23:41:47,169 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2018-10-26 23:41:47,716 WARN L179 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 55 [2018-10-26 23:41:48,121 WARN L179 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 58 [2018-10-26 23:41:48,299 WARN L179 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 30 [2018-10-26 23:41:48,532 WARN L179 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 1 [2018-10-26 23:41:49,604 WARN L179 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 95 [2018-10-26 23:41:49,735 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 1 [2018-10-26 23:41:49,923 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 32 [2018-10-26 23:41:50,030 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2018-10-26 23:41:50,161 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 1 [2018-10-26 23:41:50,942 WARN L179 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 51 [2018-10-26 23:41:50,945 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 601 607) the Hoare annotation is: true [2018-10-26 23:41:50,945 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 601 607) no Hoare annotation was computed. [2018-10-26 23:41:50,945 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 608 616) no Hoare annotation was computed. [2018-10-26 23:41:50,946 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 608 616) the Hoare annotation is: true [2018-10-26 23:41:50,946 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 608 616) no Hoare annotation was computed. [2018-10-26 23:41:50,946 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 238 260) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:41:50,946 INFO L421 ceAbstractionStarter]: At program point L250(line 250) the Hoare annotation is: (or (and (<= ~systemActive~0 main_~tmp~0) (<= main_~tmp~0 (+ ~pumpRunning~0 1)) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:41:50,946 INFO L421 ceAbstractionStarter]: At program point L250-1(line 250) the Hoare annotation is: (or (and (<= ~systemActive~0 main_~tmp~0) (<= main_~tmp~0 (+ ~pumpRunning~0 1)) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:41:50,946 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 238 260) no Hoare annotation was computed. [2018-10-26 23:41:50,947 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 255) no Hoare annotation was computed. [2018-10-26 23:41:50,947 INFO L425 ceAbstractionStarter]: For program point L248-1(lines 248 255) no Hoare annotation was computed. [2018-10-26 23:41:50,947 INFO L425 ceAbstractionStarter]: For program point L246(line 246) no Hoare annotation was computed. [2018-10-26 23:41:50,947 INFO L421 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:41:50,947 INFO L421 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:41:50,949 INFO L421 ceAbstractionStarter]: At program point L244-1(line 244) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:41:50,949 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 238 260) no Hoare annotation was computed. [2018-10-26 23:41:50,949 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 398 406) no Hoare annotation was computed. [2018-10-26 23:41:50,949 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 398 406) the Hoare annotation is: true [2018-10-26 23:41:50,949 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 398 406) no Hoare annotation was computed. [2018-10-26 23:41:50,949 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 462 480) the Hoare annotation is: true [2018-10-26 23:41:50,949 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2018-10-26 23:41:50,949 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 462 480) no Hoare annotation was computed. [2018-10-26 23:41:50,949 INFO L428 ceAbstractionStarter]: At program point L469(line 469) the Hoare annotation is: true [2018-10-26 23:41:50,949 INFO L425 ceAbstractionStarter]: For program point L471-2(lines 471 475) no Hoare annotation was computed. [2018-10-26 23:41:50,950 INFO L425 ceAbstractionStarter]: For program point L469-1(line 469) no Hoare annotation was computed. [2018-10-26 23:41:50,950 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 462 480) no Hoare annotation was computed. [2018-10-26 23:41:50,950 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 594 600) no Hoare annotation was computed. [2018-10-26 23:41:50,950 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 594 600) the Hoare annotation is: true [2018-10-26 23:41:50,950 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 225 234) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:41:50,950 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 225 234) no Hoare annotation was computed. [2018-10-26 23:41:50,950 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 225 234) no Hoare annotation was computed. [2018-10-26 23:41:50,950 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 387 397) the Hoare annotation is: true [2018-10-26 23:41:50,950 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 387 397) no Hoare annotation was computed. [2018-10-26 23:41:50,950 INFO L428 ceAbstractionStarter]: At program point L392(line 392) the Hoare annotation is: true [2018-10-26 23:41:50,950 INFO L425 ceAbstractionStarter]: For program point L392-1(line 392) no Hoare annotation was computed. [2018-10-26 23:41:50,950 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 387 397) no Hoare annotation was computed. [2018-10-26 23:41:50,950 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 379 386) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (let ((.cse0 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse1 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or (< ~waterLevel~0 ~systemActive~0) .cse0 .cse1 (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 1) (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse0 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse1))) (not (= ~systemActive~0 1))) [2018-10-26 23:41:50,950 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 379 386) no Hoare annotation was computed. [2018-10-26 23:41:50,951 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 379 386) no Hoare annotation was computed. [2018-10-26 23:41:50,951 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2018-10-26 23:41:50,951 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2018-10-26 23:41:50,951 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 136 149) the Hoare annotation is: true [2018-10-26 23:41:50,951 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 136 149) no Hoare annotation was computed. [2018-10-26 23:41:50,951 INFO L421 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: (let ((.cse7 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse2 (< .cse7 1)) (.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse6 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 .cse2 (< 3 (+ ~systemActive~0 ~waterLevel~0)) .cse3) (or (let ((.cse4 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse5 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or .cse1 .cse4 .cse5 .cse2 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse4 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse5))) (not (= ~systemActive~0 1))) (or .cse0 .cse6 .cse1 (< .cse7 0) (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 1)) .cse3) (or .cse0 (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse6)))) [2018-10-26 23:41:50,951 INFO L425 ceAbstractionStarter]: For program point L347-1(lines 328 352) no Hoare annotation was computed. [2018-10-26 23:41:50,951 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 328 352) no Hoare annotation was computed. [2018-10-26 23:41:50,951 INFO L421 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse4 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse0 (< ~waterLevel~0 ~systemActive~0)) (.cse3 (< .cse4 1)) (.cse5 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse6 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (let ((.cse1 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse2 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse1 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse2))) (not (= ~systemActive~0 1))) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse0 (< .cse4 0) (not (= ~methaneLevelCritical~0 0)) .cse5 .cse6) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse0 .cse3 .cse5 .cse6)))) [2018-10-26 23:41:50,952 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 328 352) the Hoare annotation is: (let ((.cse5 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse3 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse2 (< .cse5 1))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 .cse2 (< 3 (+ ~systemActive~0 ~waterLevel~0)) .cse3) (or .cse0 .cse4 .cse1 (< .cse5 0) (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 1)) .cse3) (or .cse0 (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse4) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (let ((.cse6 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse7 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or .cse1 .cse6 .cse7 .cse2 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse6 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse7))) (not (= ~systemActive~0 1)))))) [2018-10-26 23:41:50,952 INFO L421 ceAbstractionStarter]: At program point L338(line 338) the Hoare annotation is: (let ((.cse4 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse0 (< ~waterLevel~0 ~systemActive~0)) (.cse3 (< .cse4 1)) (.cse5 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse6 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (let ((.cse1 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse2 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse1 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse2))) (and (= processEnvironment_~tmp~2 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1))) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse0 (< .cse4 0) (not (= ~methaneLevelCritical~0 0)) .cse5 .cse6) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse0 .cse3 .cse5 .cse6)))) [2018-10-26 23:41:50,952 INFO L425 ceAbstractionStarter]: For program point L336(lines 336 344) no Hoare annotation was computed. [2018-10-26 23:41:50,952 INFO L421 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (let ((.cse1 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse2 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse0 (< ~waterLevel~0 ~systemActive~0)) (.cse4 (< .cse1 1))) (and (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse0 (< .cse1 0) (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse0 .cse4 .cse2 .cse3) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (let ((.cse5 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse6 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or .cse0 .cse5 .cse6 .cse4 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse5 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse6))) (not (= ~systemActive~0 1)))))) [2018-10-26 23:41:50,952 INFO L425 ceAbstractionStarter]: For program point L334-1(line 334) no Hoare annotation was computed. [2018-10-26 23:41:50,952 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 349) no Hoare annotation was computed. [2018-10-26 23:41:50,952 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 294 300) no Hoare annotation was computed. [2018-10-26 23:41:50,952 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 294 300) the Hoare annotation is: true [2018-10-26 23:41:50,952 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 516 581) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:41:50,952 INFO L421 ceAbstractionStarter]: At program point L574(lines 525 575) the Hoare annotation is: (or (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:41:50,952 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 516 581) no Hoare annotation was computed. [2018-10-26 23:41:50,953 INFO L425 ceAbstractionStarter]: For program point L564(lines 564 568) no Hoare annotation was computed. [2018-10-26 23:41:50,953 INFO L421 ceAbstractionStarter]: At program point L564-2(lines 556 569) the Hoare annotation is: (let ((.cse0 (* 2 |old(~pumpRunning~0)|))) (or (and (and (<= (+ ~pumpRunning~0 1) ~waterLevel~0) (= ~systemActive~0 1) (<= ~waterLevel~0 (+ ~pumpRunning~0 2)) (<= ~waterLevel~0 (+ test_~tmp___2~0 2147483650)) (<= (+ ~pumpRunning~0 ~waterLevel~0) 3) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (* 2 ~methaneLevelCritical~0) 2) (<= 0 (* 2 ~pumpRunning~0)) (<= 0 (+ ~pumpRunning~0 test_~tmp___2~0 2147483648)) (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646))) (= test_~splverifierCounter~0 0)) (< 0 .cse0) (< 2 (+ |old(~systemActive~0)| |old(~waterLevel~0)|)) (< (* 2 |old(~waterLevel~0)|) 2) (< .cse0 0) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-10-26 23:41:50,953 INFO L425 ceAbstractionStarter]: For program point L527(lines 526 573) no Hoare annotation was computed. [2018-10-26 23:41:50,953 INFO L421 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (or (and (and (<= (+ ~pumpRunning~0 1) ~waterLevel~0) (= ~systemActive~0 1) (<= ~waterLevel~0 (+ ~pumpRunning~0 2)) (<= ~waterLevel~0 (+ test_~tmp___2~0 2147483650)) (<= (+ ~pumpRunning~0 ~waterLevel~0) 3) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (* 2 ~methaneLevelCritical~0) 2) (<= 0 (* 2 ~pumpRunning~0)) (<= 0 (+ ~pumpRunning~0 test_~tmp___2~0 2147483648)) (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646))) (= test_~splverifierCounter~0 0)) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 23:41:50,953 INFO L425 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2018-10-26 23:41:50,969 INFO L421 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse10 (+ ~methaneLevelCritical~0 ~systemActive~0))) (let ((.cse3 (<= 1 .cse10)) (.cse1 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse2 (<= (+ ~systemActive~0 test_~tmp___0~3) 2147483648)) (.cse8 (+ ~methaneLevelCritical~0 1)) (.cse4 (<= ~systemActive~0 (+ test_~tmp___0~3 2147483649))) (.cse0 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse9 (* 2 ~methaneLevelCritical~0)) (.cse7 (+ ~systemActive~0 2147483646)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= test_~splverifierCounter~0 0))) (or (and (and (<= (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) .cse0 (<= 2 .cse1)) .cse2 .cse3 .cse4 .cse5 .cse6) (and (and (<= ~systemActive~0 (+ test_~splverifierCounter~0 1)) (<= test_~tmp~7 .cse7) (<= 0 (+ test_~tmp~7 test_~splverifierCounter~0 2147483648))) .cse2 .cse3 (<= .cse8 ~waterLevel~0) (= 1 ~waterLevel~0) .cse4 .cse5 .cse6) (and (= ~systemActive~0 1) (<= 3 .cse1) (<= ~waterLevel~0 (+ ~methaneLevelCritical~0 2)) .cse2 (<= .cse9 0) (<= ~pumpRunning~0 .cse8) .cse4 .cse6) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (and (<= 2 .cse10) (and (<= ~systemActive~0 ~waterLevel~0) .cse0 (<= .cse9 2) (<= test_~tmp___2~0 .cse7) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648))) .cse5 .cse6) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-10-26 23:41:50,970 INFO L425 ceAbstractionStarter]: For program point L546(lines 546 552) no Hoare annotation was computed. [2018-10-26 23:41:50,970 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 546 552) no Hoare annotation was computed. [2018-10-26 23:41:50,970 INFO L421 ceAbstractionStarter]: At program point L571(lines 526 573) the Hoare annotation is: (let ((.cse2 (<= (+ ~pumpRunning~0 1) ~waterLevel~0)) (.cse3 (<= ~systemActive~0 ~waterLevel~0)) (.cse4 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse5 (= test_~splverifierCounter~0 0))) (let ((.cse1 (and .cse2 (<= ~pumpRunning~0 ~systemActive~0) .cse3 (= ~methaneLevelCritical~0 0) (<= 1 (+ ~pumpRunning~0 ~systemActive~0)) .cse4 .cse5)) (.cse0 (and .cse2 .cse3 .cse4 (<= 1 (+ ~systemActive~0 test_~splverifierCounter~0)) (<= test_~splverifierCounter~0 ~methaneLevelCritical~0) (<= (* 2 ~methaneLevelCritical~0) 2) (<= 0 (* 2 ~pumpRunning~0)) (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse5))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (and .cse1 (<= (+ ~waterLevel~0 test_~splverifierCounter~0) 1)) (and .cse0 (<= ~systemActive~0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-10-26 23:41:50,970 INFO L421 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (let ((.cse3 (<= (+ ~pumpRunning~0 1) ~waterLevel~0)) (.cse4 (<= 0 (* 2 ~pumpRunning~0)))) (let ((.cse0 (and .cse3 (= ~systemActive~0 1) (<= 0 (+ (* 2 test_~tmp~7) 4294967296)) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 (+ ~methaneLevelCritical~0 2)) (<= (+ ~systemActive~0 test_~tmp~7) 2147483648) .cse4)) (.cse2 (and .cse3 (<= ~systemActive~0 ~waterLevel~0) (<= (+ ~systemActive~0 ~waterLevel~0) 3) (<= 1 (+ ~systemActive~0 test_~splverifierCounter~0)) (<= test_~splverifierCounter~0 ~methaneLevelCritical~0) (<= (* 2 ~methaneLevelCritical~0) 2) .cse4 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)))) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= (+ ~waterLevel~0 test_~splverifierCounter~0) 1) .cse0 .cse1) (and .cse2 (= ~pumpRunning~0 1) .cse0) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (and .cse2 (<= ~systemActive~0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) .cse1) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-10-26 23:41:50,970 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 542) no Hoare annotation was computed. [2018-10-26 23:41:50,970 INFO L425 ceAbstractionStarter]: For program point L536-1(lines 536 542) no Hoare annotation was computed. [2018-10-26 23:41:50,970 INFO L425 ceAbstractionStarter]: For program point L528(lines 528 532) no Hoare annotation was computed. [2018-10-26 23:41:50,970 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 526 573) no Hoare annotation was computed. [2018-10-26 23:41:50,974 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 516 581) no Hoare annotation was computed. [2018-10-26 23:41:50,975 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 353 360) the Hoare annotation is: (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) (< 3 (+ ~systemActive~0 ~waterLevel~0)) (< 0 (* 2 |old(~pumpRunning~0)|))) (and (<= (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) (<= 2 (+ ~pumpRunning~0 ~waterLevel~0)))) [2018-10-26 23:41:50,975 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 353 360) no Hoare annotation was computed. [2018-10-26 23:41:50,975 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 353 360) no Hoare annotation was computed. [2018-10-26 23:41:50,975 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 150 158) no Hoare annotation was computed. [2018-10-26 23:41:50,975 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 150 158) the Hoare annotation is: true [2018-10-26 23:41:50,975 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 150 158) no Hoare annotation was computed. [2018-10-26 23:41:50,975 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 23:41:50,975 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-10-26 23:41:50,975 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 23:41:50,975 INFO L425 ceAbstractionStarter]: For program point L369(lines 369 375) no Hoare annotation was computed. [2018-10-26 23:41:50,975 INFO L421 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (or (= ~pumpRunning~0 0) (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) [2018-10-26 23:41:50,975 INFO L425 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2018-10-26 23:41:50,976 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 362 378) no Hoare annotation was computed. [2018-10-26 23:41:50,976 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 362 378) the Hoare annotation is: (or (= ~pumpRunning~0 0) (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) [2018-10-26 23:41:50,976 INFO L421 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: (let ((.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1))) (and (or (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse0) (or (or (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse0 (< 3 (+ ~systemActive~0 ~waterLevel~0)) (< 0 (* 2 |old(~pumpRunning~0)|))) (not (= ~methaneLevelCritical~0 0))) (and (<= ~waterLevel~0 (+ activatePump_~tmp~3 2)) (= 0 ~pumpRunning~0) (<= activatePump_~tmp~3 ~methaneLevelCritical~0))))) [2018-10-26 23:41:50,976 INFO L425 ceAbstractionStarter]: For program point L373-1(lines 362 378) no Hoare annotation was computed. [2018-10-26 23:41:50,976 INFO L425 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2018-10-26 23:41:50,976 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2018-10-26 23:41:50,976 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2018-10-26 23:41:50,976 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 443 461) no Hoare annotation was computed. [2018-10-26 23:41:50,976 INFO L425 ceAbstractionStarter]: For program point L452(lines 452 456) no Hoare annotation was computed. [2018-10-26 23:41:50,976 INFO L428 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2018-10-26 23:41:50,976 INFO L425 ceAbstractionStarter]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2018-10-26 23:41:50,977 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (let ((.cse0 (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1)) (.cse4 (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0))) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (< ~waterLevel~0 ~systemActive~0)) (.cse7 (+ ~pumpRunning~0 |old(~methaneLevelCritical~0)|)) (.cse2 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse5 (< 0 (* 2 ~pumpRunning~0))) (.cse3 (* 2 ~methaneLevelCritical~0))) (and (or (or (< (+ ~waterLevel~0 |old(~methaneLevelCritical~0)|) 2) .cse0 .cse1 (< 2 (+ ~pumpRunning~0 ~systemActive~0)) .cse2 (< ~pumpRunning~0 (+ |old(~methaneLevelCritical~0)| 1))) (and (<= .cse3 0) (<= 1 (+ ~methaneLevelCritical~0 ~pumpRunning~0)))) (or (and .cse4 (<= ~methaneLevelCritical~0 ~pumpRunning~0)) (< (+ ~pumpRunning~0 ~waterLevel~0) 2) .cse0 .cse1 .cse2 .cse5) (or .cse0 .cse6 (and .cse4 (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0)) (< .cse7 0) .cse1 (not (= ~waterLevel~0 1)) .cse5) (or (or (not (= |old(~methaneLevelCritical~0)| 1)) (< (* 2 ~systemActive~0) 2) .cse6 (< .cse7 1) .cse2 .cse5) (and (<= 2 .cse3) (<= ~methaneLevelCritical~0 ~systemActive~0))))) [2018-10-26 23:41:50,977 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2018-10-26 23:41:50,977 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2018-10-26 23:41:50,977 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2018-10-26 23:41:50,977 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2018-10-26 23:41:50,977 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2018-10-26 23:41:50,977 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 162 191) no Hoare annotation was computed. [2018-10-26 23:41:50,977 INFO L425 ceAbstractionStarter]: For program point L176(lines 176 180) no Hoare annotation was computed. [2018-10-26 23:41:50,977 INFO L428 ceAbstractionStarter]: At program point L176-1(lines 176 180) the Hoare annotation is: true [2018-10-26 23:41:50,977 INFO L425 ceAbstractionStarter]: For program point L172-1(lines 172 186) no Hoare annotation was computed. [2018-10-26 23:41:50,977 INFO L428 ceAbstractionStarter]: At program point L172-3(lines 172 186) the Hoare annotation is: true [2018-10-26 23:41:50,977 INFO L428 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2018-10-26 23:41:50,977 INFO L425 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-10-26 23:41:50,978 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 162 191) the Hoare annotation is: true [2018-10-26 23:41:50,978 INFO L428 ceAbstractionStarter]: At program point L187(lines 162 191) the Hoare annotation is: true [2018-10-26 23:41:50,978 INFO L425 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-10-26 23:41:50,978 INFO L425 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2018-10-26 23:41:50,978 INFO L421 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse8 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse5 (+ ~methaneLevelCritical~0 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|)) (.cse3 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse10 (and (= 1 ~waterLevel~0) .cse9)) (.cse11 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse13 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse6 (<= 2 .cse8)) (.cse1 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|))) (.cse14 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (or (< .cse0 2) .cse1 .cse2 .cse3 .cse4 (< |old(~pumpRunning~0)| .cse5)) (and (and (<= ~waterLevel~0 ~systemActive~0) .cse6) .cse7)) (or (and (<= .cse8 2) (<= .cse5 ~waterLevel~0) .cse9) (< |old(~waterLevel~0)| (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 |old(~waterLevel~0)|)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse1) (or (and (and (<= ~waterLevel~0 ~methaneLevelCritical~0) .cse6) .cse7) (or (or (< .cse0 3) (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse3 .cse4) (not (= ~systemActive~0 1)))) (or .cse10 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse11 .cse12 (< .cse13 1) .cse14) (or .cse10 .cse1 .cse11 (< .cse13 0) .cse2 .cse12 .cse14) (or .cse6 (< (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|) 2) .cse1 .cse2 .cse4 .cse14)))) [2018-10-26 23:41:50,978 INFO L421 ceAbstractionStarter]: At program point L281(lines 281 287) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse9 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse7 (+ ~methaneLevelCritical~0 1))) (let ((.cse0 (<= .cse7 ~waterLevel~0)) (.cse2 (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|)) (.cse5 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse6 (< 3 .cse9)) (.cse8 (not (= ~systemActive~0 1))) (.cse10 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse16 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse11 (and (= 1 ~waterLevel~0) .cse1)) (.cse3 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse12 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse14 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse13 (not (= |old(~waterLevel~0)| 1))) (.cse15 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (and (<= ~waterLevel~0 ~systemActive~0) .cse0 .cse1) (or (< .cse2 2) .cse3 .cse4 .cse5 .cse6 (< |old(~pumpRunning~0)| .cse7))) (or (or .cse8 (< ~systemActive~0 (+ |old(~pumpRunning~0)| 1)) (< .cse9 3) (< .cse7 |old(~waterLevel~0)|) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (and (<= .cse10 2) .cse0 .cse1)) (or .cse11 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse12 .cse13 (< .cse14 1) .cse15) (or (or (or (< (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|) 2) .cse3 .cse6 .cse15) .cse4) (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse16 (= ~pumpRunning~0 1))) (or (or (or (< .cse2 3) (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse5 .cse6) .cse8) (and (<= 1 .cse10) .cse16 .cse1)) (or .cse11 .cse3 .cse12 (< .cse14 0) .cse4 .cse13 .cse15)))) [2018-10-26 23:41:50,979 INFO L421 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (let ((.cse1 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse7 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse8 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse9 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse0 (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|)) (.cse3 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse4 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|))) (.cse5 (+ ~methaneLevelCritical~0 1)) (.cse6 (<= (+ ~systemActive~0 ~waterLevel~0) 3))) (and (or (or (< .cse0 2) .cse1 .cse2 .cse3 .cse4 (< |old(~pumpRunning~0)| .cse5)) (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse6 (= ~pumpRunning~0 1))) (or .cse1 .cse7 (< .cse8 0) .cse2 .cse4 .cse9) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse7 (< .cse8 1) .cse4 .cse9) (or (or (or (< .cse0 3) (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse3 .cse4) (not (= ~systemActive~0 1))) (and (<= ~pumpRunning~0 ~methaneLevelCritical~0) (<= ~methaneLevelCritical~0 ~pumpRunning~0) (<= .cse5 ~waterLevel~0) .cse6)))) [2018-10-26 23:41:50,979 INFO L425 ceAbstractionStarter]: For program point L274(lines 273 292) no Hoare annotation was computed. [2018-10-26 23:41:50,979 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 270 293) the Hoare annotation is: (let ((.cse5 (+ ~methaneLevelCritical~0 1)) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse10 (and (= 1 ~waterLevel~0) .cse9)) (.cse11 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse13 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse7 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse1 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse14 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse0 (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|)) (.cse3 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse4 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|))) (.cse8 (<= .cse5 ~waterLevel~0)) (.cse6 (<= (+ ~systemActive~0 ~waterLevel~0) 3))) (and (or (or (< .cse0 2) .cse1 .cse2 .cse3 .cse4 (< |old(~pumpRunning~0)| .cse5)) (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse6 (= ~pumpRunning~0 1))) (or (and (<= .cse7 2) .cse8 .cse9) (< |old(~waterLevel~0)| (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 |old(~waterLevel~0)|)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse1) (or .cse10 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse11 .cse12 (< .cse13 1) .cse14) (or .cse10 .cse1 .cse11 (< .cse13 0) .cse2 .cse12 .cse14) (or (<= 2 .cse7) (< (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|) 2) .cse1 .cse2 .cse4 .cse14) (or (or (or (< .cse0 3) (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse3 .cse4) (not (= ~systemActive~0 1))) (and (<= ~pumpRunning~0 ~methaneLevelCritical~0) (<= ~methaneLevelCritical~0 ~pumpRunning~0) .cse8 .cse6))))) [2018-10-26 23:41:50,979 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2018-10-26 23:41:50,979 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2018-10-26 23:41:50,979 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 59 70) the Hoare annotation is: (let ((.cse0 (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|)) (.cse3 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse1 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|))) (.cse2 (+ ~methaneLevelCritical~0 1))) (and (or (or (or (< .cse0 3) (< ~pumpRunning~0 ~methaneLevelCritical~0) (< 2 (+ ~pumpRunning~0 ~systemActive~0)) .cse1) (not (= ~systemActive~0 1))) (and (<= .cse2 ~waterLevel~0) .cse3)) (or (< .cse0 2) (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse3) (< 2 (* 2 ~pumpRunning~0)) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse1 (< ~pumpRunning~0 .cse2)))) [2018-10-26 23:41:50,979 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 59 70) no Hoare annotation was computed. [2018-10-26 23:41:50,979 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2018-10-26 23:41:50,979 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 23:41:50,979 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= ~systemActive~0 ~waterLevel~0) (= ~pumpRunning~0 0)) [2018-10-26 23:41:50,980 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 23:41:50,980 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 23:41:50,980 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 217 223) no Hoare annotation was computed. [2018-10-26 23:41:50,980 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 217 223) the Hoare annotation is: true [2018-10-26 23:41:50,980 INFO L421 ceAbstractionStarter]: At program point L321(line 321) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse5 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (< .cse2 0) .cse3 (not (= ~waterLevel~0 1)) .cse4) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse2 1) .cse5 .cse4) (or (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse0 .cse5 .cse4) .cse3))) [2018-10-26 23:41:50,980 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 302 326) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse2 1) (< 3 (+ ~systemActive~0 ~waterLevel~0)) .cse3) (or .cse0 .cse4 .cse1 (< .cse2 0) (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 1)) .cse3) (or .cse0 (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse4))) [2018-10-26 23:41:50,980 INFO L425 ceAbstractionStarter]: For program point L321-1(lines 302 326) no Hoare annotation was computed. [2018-10-26 23:41:50,980 INFO L421 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= ~pumpRunning~0 0))) (.cse2 (< ~waterLevel~0 ~systemActive~0)) (.cse3 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse0) (or .cse1 (or .cse0 .cse2 (< .cse3 0) (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 1)) .cse4)) (or .cse1 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse2 (< .cse3 1) (< 3 (+ ~systemActive~0 ~waterLevel~0)) .cse4))) [2018-10-26 23:41:50,980 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 302 326) no Hoare annotation was computed. [2018-10-26 23:41:50,981 INFO L421 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse5 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (< .cse2 0) .cse3 (not (= ~waterLevel~0 1)) .cse4) (or (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 ~waterLevel~0)) (= processEnvironment__wrappee__highWaterSensor_~tmp~1 1) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse0) (or (and (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse2 1) .cse5 .cse4) (or (and (<= (+ ~pumpRunning~0 ~waterLevel~0) 2) (<= ~methaneLevelCritical~0 ~pumpRunning~0)) (or (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse0 .cse5 .cse4) .cse3)))) [2018-10-26 23:41:50,981 INFO L425 ceAbstractionStarter]: For program point L310(lines 310 318) no Hoare annotation was computed. [2018-10-26 23:41:50,981 INFO L421 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse2 1) (< 3 (+ ~systemActive~0 ~waterLevel~0)) .cse3) (or .cse0 .cse4 .cse1 (< .cse2 0) (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 1)) .cse3) (or .cse0 (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse4))) [2018-10-26 23:41:50,981 INFO L425 ceAbstractionStarter]: For program point L308-1(line 308) no Hoare annotation was computed. [2018-10-26 23:41:50,981 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 323) no Hoare annotation was computed. [2018-10-26 23:41:50,981 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 481 488) no Hoare annotation was computed. [2018-10-26 23:41:50,993 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 481 488) the Hoare annotation is: (let ((.cse10 (+ ~methaneLevelCritical~0 ~pumpRunning~0)) (.cse6 (<= (+ ~systemActive~0 ~waterLevel~0) 3))) (let ((.cse4 (< 2 (+ ~pumpRunning~0 |old(~systemActive~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< (* 2 |old(~systemActive~0)|) 2)) (.cse0 (= ~waterLevel~0 1)) (.cse9 (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) .cse6)) (.cse7 (< (+ ~methaneLevelCritical~0 |old(~systemActive~0)|) 1)) (.cse3 (< ~waterLevel~0 |old(~systemActive~0)|)) (.cse12 (< .cse10 0)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< 3 (+ ~waterLevel~0 |old(~systemActive~0)|))) (.cse11 (< 0 (* 2 ~pumpRunning~0)))) (and (or (or (< ~pumpRunning~0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 (<= ~methaneLevelCritical~0 ~systemActive~0))) (or (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse7 .cse8 .cse4 .cse5 (< ~pumpRunning~0 (+ ~methaneLevelCritical~0 1))) .cse9) (or (and (<= 1 (+ ~pumpRunning~0 ~systemActive~0)) (<= ~systemActive~0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 (< .cse10 1) .cse5 .cse11) (or (<= ~systemActive~0 ~waterLevel~0) .cse7 .cse3 .cse12 .cse8 (not .cse0) .cse11) (or .cse9 .cse7 .cse3 .cse12 .cse8 .cse5 .cse11)))) [2018-10-26 23:41:50,994 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 481 488) no Hoare annotation was computed. [2018-10-26 23:41:50,994 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2018-10-26 23:41:50,994 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2018-10-26 23:41:50,994 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse7 (* 2 ~pumpRunning~0)) (.cse12 (+ ~methaneLevelCritical~0 ~pumpRunning~0))) (let ((.cse0 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse5 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< (* 2 ~systemActive~0) 2)) (.cse4 (< .cse12 1)) (.cse10 (= 1 ~waterLevel~0)) (.cse3 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse6 (< 0 .cse7)) (.cse9 (+ ~methaneLevelCritical~0 1)) (.cse8 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse0) (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2) (< 2 .cse7) .cse8 .cse5 (< ~pumpRunning~0 .cse9)) (or .cse10 .cse1 .cse2 .cse3 .cse11 .cse4 .cse6) (or .cse10 .cse8 .cse3 (< .cse12 0) (not (= ~methaneLevelCritical~0 0)) .cse11 .cse6) (or (<= .cse9 ~waterLevel~0) (< |old(~waterLevel~0)| (+ ~pumpRunning~0 2)) (< .cse9 |old(~waterLevel~0)|) (< 4 (* 2 |old(~waterLevel~0)|)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ ~pumpRunning~0 1) ~systemActive~0) .cse8)))) [2018-10-26 23:41:50,994 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-10-26 23:41:50,994 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-10-26 23:41:50,994 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-10-26 23:41:50,994 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-10-26 23:41:50,994 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 490 514) the Hoare annotation is: true [2018-10-26 23:41:50,995 INFO L421 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (let ((.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse2 (+ ~methaneLevelCritical~0 ~pumpRunning~0)) (.cse5 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 ~pumpRunning~0)))) (and (or .cse0 .cse1 (< .cse2 0) .cse3 (not (= ~waterLevel~0 1)) .cse4) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse0 .cse3 (< 2 (+ ~pumpRunning~0 ~systemActive~0)) .cse5 (< ~pumpRunning~0 (+ ~methaneLevelCritical~0 1))) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse2 1) .cse5 .cse4))) [2018-10-26 23:41:50,995 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 490 514) no Hoare annotation was computed. [2018-10-26 23:41:50,995 INFO L425 ceAbstractionStarter]: For program point L502(lines 502 508) no Hoare annotation was computed. [2018-10-26 23:41:50,995 INFO L421 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (let ((.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~waterLevel~0 ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) .cse1 (not (= ~waterLevel~0 1)) (< 0 (* 2 ~pumpRunning~0))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse0 .cse1 (< 2 (+ ~pumpRunning~0 ~systemActive~0)) (< 3 (+ ~systemActive~0 ~waterLevel~0)) (< ~pumpRunning~0 (+ ~methaneLevelCritical~0 1))))) [2018-10-26 23:41:50,995 INFO L425 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2018-10-26 23:41:50,995 INFO L425 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2018-10-26 23:41:50,995 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 490 514) no Hoare annotation was computed. [2018-10-26 23:41:50,995 INFO L428 ceAbstractionStarter]: At program point L496(line 496) the Hoare annotation is: true [2018-10-26 23:41:50,995 INFO L425 ceAbstractionStarter]: For program point L496-1(line 496) no Hoare annotation was computed. [2018-10-26 23:41:51,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 11:41:51 BoogieIcfgContainer [2018-10-26 23:41:51,038 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 23:41:51,039 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:41:51,039 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:41:51,039 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:41:51,039 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:35:44" (3/4) ... [2018-10-26 23:41:51,042 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:41:51,048 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 23:41:51,048 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 23:41:51,048 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 23:41:51,048 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 23:41:51,048 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-10-26 23:41:51,048 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 23:41:51,048 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 23:41:51,048 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-26 23:41:51,049 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 23:41:51,049 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-10-26 23:41:51,049 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 23:41:51,049 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 23:41:51,049 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 23:41:51,049 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-10-26 23:41:51,049 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-10-26 23:41:51,049 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 23:41:51,049 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-10-26 23:41:51,051 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-10-26 23:41:51,051 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 23:41:51,051 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 23:41:51,051 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 23:41:51,051 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 23:41:51,051 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 23:41:51,052 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 23:41:51,052 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-10-26 23:41:51,052 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-10-26 23:41:51,052 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 23:41:51,052 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 23:41:51,052 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-10-26 23:41:51,063 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 140 nodes and edges [2018-10-26 23:41:51,063 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 23:41:51,064 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 23:41:51,087 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && systemActive + waterLevel <= 3) && 1 <= systemActive + splverifierCounter) && splverifierCounter <= methaneLevelCritical) && 2 * methaneLevelCritical <= 2) && 0 <= 2 * pumpRunning) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) && pumpRunning == 1) && (((((pumpRunning + 1 <= waterLevel && pumpRunning <= systemActive) && systemActive <= waterLevel) && methaneLevelCritical == 0) && 1 <= pumpRunning + systemActive) && systemActive + waterLevel <= 3) && splverifierCounter == 0) || 1 < \old(pumpRunning) + \old(waterLevel)) || (((((((pumpRunning + 1 <= waterLevel && pumpRunning <= systemActive) && systemActive <= waterLevel) && methaneLevelCritical == 0) && 1 <= pumpRunning + systemActive) && systemActive + waterLevel <= 3) && splverifierCounter == 0) && waterLevel + splverifierCounter <= 1)) || (((((((((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && systemActive + waterLevel <= 3) && 1 <= systemActive + splverifierCounter) && splverifierCounter <= methaneLevelCritical) && 2 * methaneLevelCritical <= 2) && 0 <= 2 * pumpRunning) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) && systemActive <= methaneLevelCritical) && pumpRunning == 0)) || \old(pumpRunning) + 1 < \old(systemActive)) || \old(methaneLevelCritical) + \old(systemActive) < 1) || \old(waterLevel) < \old(systemActive)) || !(\old(methaneLevelCritical) == 0) [2018-10-26 23:41:51,087 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(methaneLevelCritical) + \old(systemActive) < 1 || \old(waterLevel) < \old(systemActive)) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-10-26 23:41:51,138 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_30340668-ec48-441e-b8db-b9dd62131205/bin-2019/utaipan/witness.graphml [2018-10-26 23:41:51,138 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:41:51,139 INFO L168 Benchmark]: Toolchain (without parser) took 368658.95 ms. Allocated memory was 1.0 GB in the beginning and 4.4 GB in the end (delta: 3.4 GB). Free memory was 953.1 MB in the beginning and 1.2 GB in the end (delta: -231.7 MB). Peak memory consumption was 3.2 GB. Max. memory is 11.5 GB. [2018-10-26 23:41:51,139 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:41:51,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.98 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 926.2 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-10-26 23:41:51,140 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 926.2 MB in the beginning and 1.1 GB in the end (delta: -202.4 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-10-26 23:41:51,140 INFO L168 Benchmark]: Boogie Preprocessor took 53.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:41:51,140 INFO L168 Benchmark]: RCFGBuilder took 1158.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.0 MB). Peak memory consumption was 89.0 MB. Max. memory is 11.5 GB. [2018-10-26 23:41:51,140 INFO L168 Benchmark]: TraceAbstraction took 366798.93 ms. Allocated memory was 1.2 GB in the beginning and 4.4 GB in the end (delta: 3.2 GB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -148.7 MB). Peak memory consumption was 4.6 GB. Max. memory is 11.5 GB. [2018-10-26 23:41:51,141 INFO L168 Benchmark]: Witness Printer took 99.11 ms. Allocated memory is still 4.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:41:51,147 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 429.98 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 926.2 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 114.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 926.2 MB in the beginning and 1.1 GB in the end (delta: -202.4 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1158.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.0 MB). Peak memory consumption was 89.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 366798.93 ms. Allocated memory was 1.2 GB in the beginning and 4.4 GB in the end (delta: 3.2 GB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -148.7 MB). Peak memory consumption was 4.6 GB. Max. memory is 11.5 GB. * Witness Printer took 99.11 ms. Allocated memory is still 4.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((((\old(methaneLevelCritical) + \old(systemActive) < 1 || \old(waterLevel) < \old(systemActive)) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (((((((((((((((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && systemActive + waterLevel <= 3) && 1 <= systemActive + splverifierCounter) && splverifierCounter <= methaneLevelCritical) && 2 * methaneLevelCritical <= 2) && 0 <= 2 * pumpRunning) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) && pumpRunning == 1) && (((((pumpRunning + 1 <= waterLevel && pumpRunning <= systemActive) && systemActive <= waterLevel) && methaneLevelCritical == 0) && 1 <= pumpRunning + systemActive) && systemActive + waterLevel <= 3) && splverifierCounter == 0) || 1 < \old(pumpRunning) + \old(waterLevel)) || (((((((pumpRunning + 1 <= waterLevel && pumpRunning <= systemActive) && systemActive <= waterLevel) && methaneLevelCritical == 0) && 1 <= pumpRunning + systemActive) && systemActive + waterLevel <= 3) && splverifierCounter == 0) && waterLevel + splverifierCounter <= 1)) || (((((((((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && systemActive + waterLevel <= 3) && 1 <= systemActive + splverifierCounter) && splverifierCounter <= methaneLevelCritical) && 2 * methaneLevelCritical <= 2) && 0 <= 2 * pumpRunning) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) && systemActive <= methaneLevelCritical) && pumpRunning == 0)) || \old(pumpRunning) + 1 < \old(systemActive)) || \old(methaneLevelCritical) + \old(systemActive) < 1) || \old(waterLevel) < \old(systemActive)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 159 locations, 1 error locations. SAFE Result, 366.7s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 197.8s AutomataDifference, 0.0s DeadEndRemovalTime, 36.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2505 SDtfs, 4273 SDslu, 14022 SDs, 0 SdLazy, 15157 SolverSat, 2357 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 111.9s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 507 GetRequests, 228 SyntacticMatches, 5 SemanticMatches, 274 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11272 ImplicationChecksByTransitivity, 16.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1702occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 101.5s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9930913722618784 AbsIntWeakeningRatio, 0.9655172413793104 AbsIntAvgWeakeningVarsNumRemoved, 6020.582375478927 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 781 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 2220 PreInvPairs, 2309 NumberOfFragments, 4476 HoareAnnotationTreeSize, 2220 FomulaSimplifications, 114405 FormulaSimplificationTreeSizeReduction, 8.4s HoareSimplificationTime, 65 FomulaSimplificationsInter, 454681 FormulaSimplificationTreeSizeReductionInter, 27.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1099 NumberOfCodeBlocks, 1099 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1087 ConstructedInterpolants, 0 QuantifiedInterpolants, 177015 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 78/84 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...