./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product61_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d030c114-b5de-4129-a319-34e06b35b2db/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d030c114-b5de-4129-a319-34e06b35b2db/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d030c114-b5de-4129-a319-34e06b35b2db/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d030c114-b5de-4129-a319-34e06b35b2db/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d030c114-b5de-4129-a319-34e06b35b2db/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d030c114-b5de-4129-a319-34e06b35b2db/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 62215579489c65348c20dcb35d4d11bc17ff5b74 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:47:56,846 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:47:56,847 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:47:56,855 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:47:56,855 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:47:56,856 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:47:56,856 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:47:56,857 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:47:56,858 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:47:56,859 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:47:56,860 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:47:56,860 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:47:56,861 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:47:56,861 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:47:56,862 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:47:56,863 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:47:56,863 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:47:56,864 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:47:56,866 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:47:56,867 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:47:56,868 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:47:56,869 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:47:56,870 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:47:56,870 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:47:56,871 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:47:56,871 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:47:56,872 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:47:56,873 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:47:56,873 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:47:56,874 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:47:56,874 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:47:56,875 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:47:56,875 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:47:56,875 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:47:56,876 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:47:56,876 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:47:56,877 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d030c114-b5de-4129-a319-34e06b35b2db/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:47:56,887 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:47:56,887 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:47:56,888 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:47:56,888 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:47:56,888 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:47:56,888 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:47:56,889 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:47:56,889 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:47:56,889 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:47:56,889 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:47:56,889 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:47:56,889 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:47:56,889 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:47:56,890 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:47:56,890 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:47:56,890 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:47:56,890 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:47:56,890 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:47:56,890 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:47:56,890 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:47:56,891 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:47:56,891 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:47:56,891 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:47:56,891 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:47:56,891 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:47:56,891 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:47:56,891 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:47:56,892 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:47:56,892 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:47:56,892 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:47:56,892 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_d030c114-b5de-4129-a319-34e06b35b2db/bin-2019/uautomizer 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 -> Automizer 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 -> 62215579489c65348c20dcb35d4d11bc17ff5b74 [2018-11-28 12:47:56,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:47:56,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:47:56,925 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:47:56,926 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:47:56,927 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:47:56,927 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d030c114-b5de-4129-a319-34e06b35b2db/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product61_true-unreach-call_false-termination.cil.c [2018-11-28 12:47:56,964 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d030c114-b5de-4129-a319-34e06b35b2db/bin-2019/uautomizer/data/5245f899d/e1eb360bc51d4bffb85e18e587341297/FLAG6fd4c10d3 [2018-11-28 12:47:57,397 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:47:57,397 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d030c114-b5de-4129-a319-34e06b35b2db/sv-benchmarks/c/product-lines/minepump_spec4_product61_true-unreach-call_false-termination.cil.c [2018-11-28 12:47:57,404 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d030c114-b5de-4129-a319-34e06b35b2db/bin-2019/uautomizer/data/5245f899d/e1eb360bc51d4bffb85e18e587341297/FLAG6fd4c10d3 [2018-11-28 12:47:57,415 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d030c114-b5de-4129-a319-34e06b35b2db/bin-2019/uautomizer/data/5245f899d/e1eb360bc51d4bffb85e18e587341297 [2018-11-28 12:47:57,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:47:57,418 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:47:57,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:47:57,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:47:57,422 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:47:57,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:47:57" (1/1) ... [2018-11-28 12:47:57,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75eb1ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:57, skipping insertion in model container [2018-11-28 12:47:57,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:47:57" (1/1) ... [2018-11-28 12:47:57,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:47:57,463 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:47:57,649 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:47:57,705 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:47:57,767 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:47:57,791 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:47:57,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:57 WrapperNode [2018-11-28 12:47:57,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:47:57,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:47:57,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:47:57,792 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:47:57,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:57" (1/1) ... [2018-11-28 12:47:57,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:57" (1/1) ... [2018-11-28 12:47:57,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:47:57,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:47:57,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:47:57,822 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:47:57,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:57" (1/1) ... [2018-11-28 12:47:57,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:57" (1/1) ... [2018-11-28 12:47:57,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:57" (1/1) ... [2018-11-28 12:47:57,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:57" (1/1) ... [2018-11-28 12:47:57,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:57" (1/1) ... [2018-11-28 12:47:57,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:57" (1/1) ... [2018-11-28 12:47:57,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:57" (1/1) ... [2018-11-28 12:47:57,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:47:57,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:47:57,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:47:57,853 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:47:57,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d030c114-b5de-4129-a319-34e06b35b2db/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:47:57,904 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 12:47:57,904 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 12:47:57,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 12:47:57,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 12:47:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:47:57,905 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:47:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 12:47:57,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 12:47:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:47:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 12:47:57,905 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 12:47:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 12:47:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 12:47:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 12:47:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 12:47:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 12:47:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 12:47:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 12:47:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 12:47:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 12:47:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 12:47:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 12:47:57,907 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 12:47:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 12:47:57,907 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 12:47:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 12:47:57,907 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 12:47:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 12:47:57,907 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 12:47:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 12:47:57,908 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 12:47:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 12:47:57,908 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 12:47:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 12:47:57,908 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 12:47:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 12:47:57,908 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 12:47:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:47:57,909 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:47:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 12:47:57,909 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 12:47:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 12:47:57,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 12:47:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 12:47:57,909 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 12:47:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 12:47:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 12:47:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 12:47:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 12:47:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 12:47:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 12:47:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 12:47:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 12:47:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 12:47:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 12:47:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:47:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:47:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:47:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 12:47:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 12:47:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 12:47:57,912 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 12:47:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:47:57,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:47:58,338 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:47:58,338 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 12:47:58,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:47:58 BoogieIcfgContainer [2018-11-28 12:47:58,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:47:58,339 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:47:58,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:47:58,342 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:47:58,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:47:57" (1/3) ... [2018-11-28 12:47:58,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c335fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:47:58, skipping insertion in model container [2018-11-28 12:47:58,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:57" (2/3) ... [2018-11-28 12:47:58,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c335fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:47:58, skipping insertion in model container [2018-11-28 12:47:58,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:47:58" (3/3) ... [2018-11-28 12:47:58,345 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product61_true-unreach-call_false-termination.cil.c [2018-11-28 12:47:58,353 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:47:58,360 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:47:58,374 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:47:58,400 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:47:58,401 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:47:58,401 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:47:58,401 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:47:58,401 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:47:58,401 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:47:58,401 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:47:58,401 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:47:58,401 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:47:58,419 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2018-11-28 12:47:58,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 12:47:58,426 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:47:58,427 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:47:58,429 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:47:58,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:47:58,434 INFO L82 PathProgramCache]: Analyzing trace with hash 414454525, now seen corresponding path program 1 times [2018-11-28 12:47:58,435 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:47:58,436 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:47:58,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:58,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:47:58,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:47:58,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:47:58,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:47:58,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:47:58,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 12:47:58,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 12:47:58,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:47:58,657 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 2 states. [2018-11-28 12:47:58,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:47:58,688 INFO L93 Difference]: Finished difference Result 306 states and 379 transitions. [2018-11-28 12:47:58,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:47:58,690 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 12:47:58,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:47:58,701 INFO L225 Difference]: With dead ends: 306 [2018-11-28 12:47:58,701 INFO L226 Difference]: Without dead ends: 153 [2018-11-28 12:47:58,705 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:47:58,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-11-28 12:47:58,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-11-28 12:47:58,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-11-28 12:47:58,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 181 transitions. [2018-11-28 12:47:58,750 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 181 transitions. Word has length 46 [2018-11-28 12:47:58,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:47:58,751 INFO L480 AbstractCegarLoop]: Abstraction has 153 states and 181 transitions. [2018-11-28 12:47:58,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 12:47:58,751 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 181 transitions. [2018-11-28 12:47:58,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 12:47:58,754 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:47:58,754 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:47:58,754 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:47:58,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:47:58,754 INFO L82 PathProgramCache]: Analyzing trace with hash -369712952, now seen corresponding path program 1 times [2018-11-28 12:47:58,755 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:47:58,755 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:47:58,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:58,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:47:58,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:47:58,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:47:58,830 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:47:58,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:47:58,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:47:58,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:47:58,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:47:58,832 INFO L87 Difference]: Start difference. First operand 153 states and 181 transitions. Second operand 3 states. [2018-11-28 12:47:58,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:47:58,854 INFO L93 Difference]: Finished difference Result 255 states and 301 transitions. [2018-11-28 12:47:58,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:47:58,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 12:47:58,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:47:58,856 INFO L225 Difference]: With dead ends: 255 [2018-11-28 12:47:58,856 INFO L226 Difference]: Without dead ends: 144 [2018-11-28 12:47:58,857 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:47:58,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-11-28 12:47:58,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-11-28 12:47:58,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-28 12:47:58,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 169 transitions. [2018-11-28 12:47:58,870 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 169 transitions. Word has length 47 [2018-11-28 12:47:58,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:47:58,871 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 169 transitions. [2018-11-28 12:47:58,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:47:58,871 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 169 transitions. [2018-11-28 12:47:58,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 12:47:58,872 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:47:58,872 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:47:58,872 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:47:58,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:47:58,873 INFO L82 PathProgramCache]: Analyzing trace with hash 928795825, now seen corresponding path program 1 times [2018-11-28 12:47:58,873 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:47:58,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:47:58,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:58,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:47:58,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:47:58,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:47:58,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:47:58,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:47:58,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:47:58,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:47:58,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:47:58,992 INFO L87 Difference]: Start difference. First operand 144 states and 169 transitions. Second operand 7 states. [2018-11-28 12:47:59,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:47:59,217 INFO L93 Difference]: Finished difference Result 264 states and 315 transitions. [2018-11-28 12:47:59,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:47:59,218 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 12:47:59,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:47:59,219 INFO L225 Difference]: With dead ends: 264 [2018-11-28 12:47:59,219 INFO L226 Difference]: Without dead ends: 144 [2018-11-28 12:47:59,220 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:47:59,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-11-28 12:47:59,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-11-28 12:47:59,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-28 12:47:59,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2018-11-28 12:47:59,232 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 51 [2018-11-28 12:47:59,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:47:59,233 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2018-11-28 12:47:59,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:47:59,233 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2018-11-28 12:47:59,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-28 12:47:59,235 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:47:59,235 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:47:59,235 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:47:59,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:47:59,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1654083998, now seen corresponding path program 1 times [2018-11-28 12:47:59,236 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:47:59,236 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:47:59,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:59,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:47:59,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:47:59,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:47:59,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:47:59,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:47:59,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:47:59,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:47:59,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:47:59,314 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 5 states. [2018-11-28 12:47:59,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:47:59,897 INFO L93 Difference]: Finished difference Result 376 states and 452 transitions. [2018-11-28 12:47:59,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:47:59,897 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-11-28 12:47:59,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:47:59,900 INFO L225 Difference]: With dead ends: 376 [2018-11-28 12:47:59,900 INFO L226 Difference]: Without dead ends: 256 [2018-11-28 12:47:59,901 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:47:59,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-11-28 12:47:59,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 238. [2018-11-28 12:47:59,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-11-28 12:47:59,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 268 transitions. [2018-11-28 12:47:59,922 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 268 transitions. Word has length 69 [2018-11-28 12:47:59,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:47:59,922 INFO L480 AbstractCegarLoop]: Abstraction has 238 states and 268 transitions. [2018-11-28 12:47:59,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:47:59,922 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 268 transitions. [2018-11-28 12:47:59,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 12:47:59,924 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:47:59,924 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:47:59,925 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:47:59,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:47:59,925 INFO L82 PathProgramCache]: Analyzing trace with hash -548786926, now seen corresponding path program 1 times [2018-11-28 12:47:59,925 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:47:59,925 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:47:59,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:59,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:47:59,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:48:00,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:48:00,037 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:48:00,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 12:48:00,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 12:48:00,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 12:48:00,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:48:00,038 INFO L87 Difference]: Start difference. First operand 238 states and 268 transitions. Second operand 10 states. [2018-11-28 12:48:00,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:48:00,436 INFO L93 Difference]: Finished difference Result 771 states and 939 transitions. [2018-11-28 12:48:00,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 12:48:00,437 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2018-11-28 12:48:00,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:48:00,442 INFO L225 Difference]: With dead ends: 771 [2018-11-28 12:48:00,442 INFO L226 Difference]: Without dead ends: 557 [2018-11-28 12:48:00,444 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:48:00,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2018-11-28 12:48:00,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 547. [2018-11-28 12:48:00,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2018-11-28 12:48:00,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 636 transitions. [2018-11-28 12:48:00,480 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 636 transitions. Word has length 83 [2018-11-28 12:48:00,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:48:00,481 INFO L480 AbstractCegarLoop]: Abstraction has 547 states and 636 transitions. [2018-11-28 12:48:00,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 12:48:00,481 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 636 transitions. [2018-11-28 12:48:00,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-28 12:48:00,484 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:48:00,484 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-28 12:48:00,485 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:48:00,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:48:00,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1012913959, now seen corresponding path program 1 times [2018-11-28 12:48:00,485 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:48:00,485 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:48:00,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:00,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:48:00,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:48:00,561 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-28 12:48:00,561 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:48:00,561 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d030c114-b5de-4129-a319-34e06b35b2db/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:48:00,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:48:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:48:00,698 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:48:00,852 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:48:00,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:48:00,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-11-28 12:48:00,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 12:48:00,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 12:48:00,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-11-28 12:48:00,880 INFO L87 Difference]: Start difference. First operand 547 states and 636 transitions. Second operand 12 states. [2018-11-28 12:48:02,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:48:02,454 INFO L93 Difference]: Finished difference Result 1537 states and 2043 transitions. [2018-11-28 12:48:02,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-28 12:48:02,455 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 162 [2018-11-28 12:48:02,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:48:02,460 INFO L225 Difference]: With dead ends: 1537 [2018-11-28 12:48:02,460 INFO L226 Difference]: Without dead ends: 1014 [2018-11-28 12:48:02,462 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2018-11-28 12:48:02,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2018-11-28 12:48:02,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 932. [2018-11-28 12:48:02,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2018-11-28 12:48:02,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1131 transitions. [2018-11-28 12:48:02,520 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1131 transitions. Word has length 162 [2018-11-28 12:48:02,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:48:02,521 INFO L480 AbstractCegarLoop]: Abstraction has 932 states and 1131 transitions. [2018-11-28 12:48:02,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 12:48:02,521 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1131 transitions. [2018-11-28 12:48:02,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-28 12:48:02,523 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:48:02,523 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:48:02,524 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:48:02,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:48:02,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1409272944, now seen corresponding path program 1 times [2018-11-28 12:48:02,524 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:48:02,524 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:48:02,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:02,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:48:02,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:48:02,614 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-28 12:48:02,614 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:48:02,614 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d030c114-b5de-4129-a319-34e06b35b2db/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:48:02,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:48:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:48:02,722 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:48:02,759 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-28 12:48:02,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:48:02,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-28 12:48:02,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 12:48:02,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 12:48:02,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:48:02,787 INFO L87 Difference]: Start difference. First operand 932 states and 1131 transitions. Second operand 11 states. [2018-11-28 12:48:02,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:48:02,845 INFO L93 Difference]: Finished difference Result 1658 states and 2062 transitions. [2018-11-28 12:48:02,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:48:02,846 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 146 [2018-11-28 12:48:02,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:48:02,849 INFO L225 Difference]: With dead ends: 1658 [2018-11-28 12:48:02,849 INFO L226 Difference]: Without dead ends: 750 [2018-11-28 12:48:02,852 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:48:02,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2018-11-28 12:48:02,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 750. [2018-11-28 12:48:02,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 750 states. [2018-11-28 12:48:02,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 901 transitions. [2018-11-28 12:48:02,891 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 901 transitions. Word has length 146 [2018-11-28 12:48:02,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:48:02,891 INFO L480 AbstractCegarLoop]: Abstraction has 750 states and 901 transitions. [2018-11-28 12:48:02,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 12:48:02,891 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 901 transitions. [2018-11-28 12:48:02,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-28 12:48:02,893 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:48:02,893 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:48:02,893 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:48:02,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:48:02,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1442480151, now seen corresponding path program 1 times [2018-11-28 12:48:02,893 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:48:02,893 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:48:02,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:02,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:48:02,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:48:02,983 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-28 12:48:02,983 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:48:02,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 12:48:02,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 12:48:02,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 12:48:02,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:48:02,984 INFO L87 Difference]: Start difference. First operand 750 states and 901 transitions. Second operand 9 states. [2018-11-28 12:48:03,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:48:03,405 INFO L93 Difference]: Finished difference Result 2009 states and 2473 transitions. [2018-11-28 12:48:03,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 12:48:03,405 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 150 [2018-11-28 12:48:03,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:48:03,409 INFO L225 Difference]: With dead ends: 2009 [2018-11-28 12:48:03,409 INFO L226 Difference]: Without dead ends: 1283 [2018-11-28 12:48:03,412 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:48:03,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2018-11-28 12:48:03,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1280. [2018-11-28 12:48:03,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1280 states. [2018-11-28 12:48:03,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 1280 states and 1524 transitions. [2018-11-28 12:48:03,458 INFO L78 Accepts]: Start accepts. Automaton has 1280 states and 1524 transitions. Word has length 150 [2018-11-28 12:48:03,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:48:03,458 INFO L480 AbstractCegarLoop]: Abstraction has 1280 states and 1524 transitions. [2018-11-28 12:48:03,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 12:48:03,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1524 transitions. [2018-11-28 12:48:03,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-28 12:48:03,460 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:48:03,461 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:48:03,461 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:48:03,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:48:03,461 INFO L82 PathProgramCache]: Analyzing trace with hash 840093701, now seen corresponding path program 1 times [2018-11-28 12:48:03,461 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:48:03,461 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:48:03,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:03,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:48:03,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:48:03,590 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-28 12:48:03,590 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:48:03,590 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d030c114-b5de-4129-a319-34e06b35b2db/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:48:03,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:48:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:48:03,676 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:48:03,794 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 12:48:03,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:48:03,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 12:48:03,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 12:48:03,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 12:48:03,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:48:03,812 INFO L87 Difference]: Start difference. First operand 1280 states and 1524 transitions. Second operand 19 states. [2018-11-28 12:48:04,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:48:04,386 INFO L93 Difference]: Finished difference Result 2371 states and 2869 transitions. [2018-11-28 12:48:04,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 12:48:04,387 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 154 [2018-11-28 12:48:04,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:48:04,392 INFO L225 Difference]: With dead ends: 2371 [2018-11-28 12:48:04,392 INFO L226 Difference]: Without dead ends: 1243 [2018-11-28 12:48:04,395 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 149 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 12:48:04,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2018-11-28 12:48:04,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 1240. [2018-11-28 12:48:04,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1240 states. [2018-11-28 12:48:04,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1469 transitions. [2018-11-28 12:48:04,457 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1469 transitions. Word has length 154 [2018-11-28 12:48:04,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:48:04,457 INFO L480 AbstractCegarLoop]: Abstraction has 1240 states and 1469 transitions. [2018-11-28 12:48:04,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 12:48:04,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1469 transitions. [2018-11-28 12:48:04,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-28 12:48:04,459 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:48:04,459 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:48:04,459 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:48:04,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:48:04,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1950280525, now seen corresponding path program 2 times [2018-11-28 12:48:04,460 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:48:04,460 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:48:04,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:04,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:48:04,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:48:04,537 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-28 12:48:04,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:48:04,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:48:04,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:48:04,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:48:04,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:48:04,538 INFO L87 Difference]: Start difference. First operand 1240 states and 1469 transitions. Second operand 6 states. [2018-11-28 12:48:04,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:48:04,707 INFO L93 Difference]: Finished difference Result 1265 states and 1498 transitions. [2018-11-28 12:48:04,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:48:04,708 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2018-11-28 12:48:04,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:48:04,713 INFO L225 Difference]: With dead ends: 1265 [2018-11-28 12:48:04,713 INFO L226 Difference]: Without dead ends: 1262 [2018-11-28 12:48:04,714 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:48:04,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2018-11-28 12:48:04,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1240. [2018-11-28 12:48:04,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1240 states. [2018-11-28 12:48:04,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1461 transitions. [2018-11-28 12:48:04,778 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1461 transitions. Word has length 154 [2018-11-28 12:48:04,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:48:04,779 INFO L480 AbstractCegarLoop]: Abstraction has 1240 states and 1461 transitions. [2018-11-28 12:48:04,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:48:04,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1461 transitions. [2018-11-28 12:48:04,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-28 12:48:04,781 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:48:04,781 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:48:04,781 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:48:04,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:48:04,782 INFO L82 PathProgramCache]: Analyzing trace with hash -327634403, now seen corresponding path program 1 times [2018-11-28 12:48:04,782 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:48:04,782 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:48:04,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:04,783 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:48:04,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:48:04,895 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-28 12:48:04,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:48:04,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 12:48:04,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 12:48:04,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 12:48:04,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:48:04,897 INFO L87 Difference]: Start difference. First operand 1240 states and 1461 transitions. Second operand 9 states. [2018-11-28 12:48:04,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:48:04,982 INFO L93 Difference]: Finished difference Result 2352 states and 2805 transitions. [2018-11-28 12:48:04,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 12:48:04,983 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 172 [2018-11-28 12:48:04,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:48:04,989 INFO L225 Difference]: With dead ends: 2352 [2018-11-28 12:48:04,989 INFO L226 Difference]: Without dead ends: 1264 [2018-11-28 12:48:04,992 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:48:04,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1264 states. [2018-11-28 12:48:05,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1264 to 1255. [2018-11-28 12:48:05,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2018-11-28 12:48:05,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1476 transitions. [2018-11-28 12:48:05,073 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1476 transitions. Word has length 172 [2018-11-28 12:48:05,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:48:05,073 INFO L480 AbstractCegarLoop]: Abstraction has 1255 states and 1476 transitions. [2018-11-28 12:48:05,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 12:48:05,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1476 transitions. [2018-11-28 12:48:05,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-28 12:48:05,076 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:48:05,076 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:48:05,076 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:48:05,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:48:05,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1916348895, now seen corresponding path program 1 times [2018-11-28 12:48:05,077 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:48:05,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:48:05,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:05,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:48:05,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:48:05,169 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-28 12:48:05,169 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:48:05,169 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d030c114-b5de-4129-a319-34e06b35b2db/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:48:05,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:48:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:48:05,274 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:48:05,353 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:48:05,378 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:48:05,378 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-28 12:48:05,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 12:48:05,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 12:48:05,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:48:05,380 INFO L87 Difference]: Start difference. First operand 1255 states and 1476 transitions. Second operand 14 states. [2018-11-28 12:48:06,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:48:06,278 INFO L93 Difference]: Finished difference Result 2484 states and 3056 transitions. [2018-11-28 12:48:06,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 12:48:06,279 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 172 [2018-11-28 12:48:06,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:48:06,283 INFO L225 Difference]: With dead ends: 2484 [2018-11-28 12:48:06,283 INFO L226 Difference]: Without dead ends: 1381 [2018-11-28 12:48:06,285 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 175 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2018-11-28 12:48:06,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2018-11-28 12:48:06,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 1225. [2018-11-28 12:48:06,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1225 states. [2018-11-28 12:48:06,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 1440 transitions. [2018-11-28 12:48:06,326 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 1440 transitions. Word has length 172 [2018-11-28 12:48:06,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:48:06,326 INFO L480 AbstractCegarLoop]: Abstraction has 1225 states and 1440 transitions. [2018-11-28 12:48:06,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 12:48:06,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1440 transitions. [2018-11-28 12:48:06,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-11-28 12:48:06,330 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:48:06,330 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-28 12:48:06,330 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:48:06,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:48:06,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1548542198, now seen corresponding path program 2 times [2018-11-28 12:48:06,330 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:48:06,331 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:48:06,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:06,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:48:06,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:48:06,431 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 45 proven. 14 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-11-28 12:48:06,432 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:48:06,432 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d030c114-b5de-4129-a319-34e06b35b2db/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:48:06,440 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-28 12:48:06,544 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-28 12:48:06,544 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 12:48:06,579 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:48:06,675 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-28 12:48:06,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:48:06,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 14 [2018-11-28 12:48:06,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 12:48:06,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 12:48:06,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:48:06,692 INFO L87 Difference]: Start difference. First operand 1225 states and 1440 transitions. Second operand 14 states. [2018-11-28 12:48:07,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:48:07,322 INFO L93 Difference]: Finished difference Result 1976 states and 2341 transitions. [2018-11-28 12:48:07,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-28 12:48:07,323 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 241 [2018-11-28 12:48:07,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:48:07,324 INFO L225 Difference]: With dead ends: 1976 [2018-11-28 12:48:07,324 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:48:07,326 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2018-11-28 12:48:07,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:48:07,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:48:07,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:48:07,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:48:07,327 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 241 [2018-11-28 12:48:07,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:48:07,327 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:48:07,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 12:48:07,327 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:48:07,327 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:48:07,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 12:48:07,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:07,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:08,076 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 28 [2018-11-28 12:48:08,533 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 37 [2018-11-28 12:48:09,091 WARN L180 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 48 [2018-11-28 12:48:09,243 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2018-11-28 12:48:09,419 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 34 [2018-11-28 12:48:10,321 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 29 [2018-11-28 12:48:10,426 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2018-11-28 12:48:10,736 WARN L180 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2018-11-28 12:48:10,845 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 24 [2018-11-28 12:48:10,847 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-11-28 12:48:10,847 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-11-28 12:48:10,847 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-11-28 12:48:10,847 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-11-28 12:48:10,847 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-11-28 12:48:10,847 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 510 534) the Hoare annotation is: true [2018-11-28 12:48:10,847 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 510 534) no Hoare annotation was computed. [2018-11-28 12:48:10,847 INFO L444 ceAbstractionStarter]: At program point L524(line 524) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~waterLevel~0 2) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 12:48:10,847 INFO L448 ceAbstractionStarter]: For program point L522(lines 522 528) no Hoare annotation was computed. [2018-11-28 12:48:10,848 INFO L444 ceAbstractionStarter]: At program point L520(line 520) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~waterLevel~0 2) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 12:48:10,848 INFO L448 ceAbstractionStarter]: For program point L520-1(line 520) no Hoare annotation was computed. [2018-11-28 12:48:10,848 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 531) no Hoare annotation was computed. [2018-11-28 12:48:10,848 INFO L448 ceAbstractionStarter]: For program point L518-1(lines 510 534) no Hoare annotation was computed. [2018-11-28 12:48:10,848 INFO L451 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: true [2018-11-28 12:48:10,848 INFO L448 ceAbstractionStarter]: For program point L516-1(line 516) no Hoare annotation was computed. [2018-11-28 12:48:10,848 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 974 996) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:48:10,848 INFO L444 ceAbstractionStarter]: At program point L986(line 986) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~11 ~systemActive~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:48:10,848 INFO L444 ceAbstractionStarter]: At program point L986-1(line 986) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~11 ~systemActive~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:48:10,848 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 974 996) no Hoare annotation was computed. [2018-11-28 12:48:10,848 INFO L448 ceAbstractionStarter]: For program point L984(lines 984 991) no Hoare annotation was computed. [2018-11-28 12:48:10,848 INFO L448 ceAbstractionStarter]: For program point L984-1(lines 984 991) no Hoare annotation was computed. [2018-11-28 12:48:10,849 INFO L448 ceAbstractionStarter]: For program point L982(line 982) no Hoare annotation was computed. [2018-11-28 12:48:10,849 INFO L444 ceAbstractionStarter]: At program point L981(line 981) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:48:10,849 INFO L444 ceAbstractionStarter]: At program point L980(line 980) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:48:10,849 INFO L444 ceAbstractionStarter]: At program point L980-1(line 980) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:48:10,849 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 974 996) no Hoare annotation was computed. [2018-11-28 12:48:10,849 INFO L444 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse1 (= |old(~pumpRunning~0)| 0) .cse2 .cse3) (or .cse0 .cse2 (< ~waterLevel~0 2) .cse3))) [2018-11-28 12:48:10,849 INFO L448 ceAbstractionStarter]: For program point L178-1(lines 159 183) no Hoare annotation was computed. [2018-11-28 12:48:10,849 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 159 183) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:48:10,849 INFO L444 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 12:48:10,849 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 159 183) no Hoare annotation was computed. [2018-11-28 12:48:10,849 INFO L444 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 12:48:10,850 INFO L448 ceAbstractionStarter]: For program point L167(lines 167 175) no Hoare annotation was computed. [2018-11-28 12:48:10,850 INFO L444 ceAbstractionStarter]: At program point L165(line 165) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 12:48:10,850 INFO L448 ceAbstractionStarter]: For program point L165-1(line 165) no Hoare annotation was computed. [2018-11-28 12:48:10,850 INFO L448 ceAbstractionStarter]: For program point L163(lines 163 180) no Hoare annotation was computed. [2018-11-28 12:48:10,850 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 254 262) no Hoare annotation was computed. [2018-11-28 12:48:10,850 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 254 262) the Hoare annotation is: true [2018-11-28 12:48:10,850 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 254 262) no Hoare annotation was computed. [2018-11-28 12:48:10,850 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 318 336) the Hoare annotation is: true [2018-11-28 12:48:10,850 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 331) no Hoare annotation was computed. [2018-11-28 12:48:10,850 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 318 336) no Hoare annotation was computed. [2018-11-28 12:48:10,850 INFO L451 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: true [2018-11-28 12:48:10,850 INFO L448 ceAbstractionStarter]: For program point L327-2(lines 327 331) no Hoare annotation was computed. [2018-11-28 12:48:10,850 INFO L448 ceAbstractionStarter]: For program point L325-1(line 325) no Hoare annotation was computed. [2018-11-28 12:48:10,850 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 318 336) no Hoare annotation was computed. [2018-11-28 12:48:10,851 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-11-28 12:48:10,851 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-11-28 12:48:10,851 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 964 973) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:48:10,851 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 964 973) no Hoare annotation was computed. [2018-11-28 12:48:10,851 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 964 973) no Hoare annotation was computed. [2018-11-28 12:48:10,851 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 243 253) the Hoare annotation is: true [2018-11-28 12:48:10,851 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 243 253) no Hoare annotation was computed. [2018-11-28 12:48:10,851 INFO L451 ceAbstractionStarter]: At program point L248(line 248) the Hoare annotation is: true [2018-11-28 12:48:10,851 INFO L448 ceAbstractionStarter]: For program point L248-1(line 248) no Hoare annotation was computed. [2018-11-28 12:48:10,851 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 243 253) no Hoare annotation was computed. [2018-11-28 12:48:10,851 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 235 242) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| 0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-28 12:48:10,851 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 235 242) no Hoare annotation was computed. [2018-11-28 12:48:10,851 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 235 242) no Hoare annotation was computed. [2018-11-28 12:48:10,851 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 496) no Hoare annotation was computed. [2018-11-28 12:48:10,852 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 486 499) no Hoare annotation was computed. [2018-11-28 12:48:10,852 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 486 499) the Hoare annotation is: true [2018-11-28 12:48:10,852 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 486 499) no Hoare annotation was computed. [2018-11-28 12:48:10,852 INFO L448 ceAbstractionStarter]: For program point L193(lines 193 201) no Hoare annotation was computed. [2018-11-28 12:48:10,852 INFO L444 ceAbstractionStarter]: At program point L191(line 191) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse4 .cse1 .cse2) (or .cse5 .cse0 .cse1 .cse2))) [2018-11-28 12:48:10,852 INFO L448 ceAbstractionStarter]: For program point L191-1(line 191) no Hoare annotation was computed. [2018-11-28 12:48:10,852 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 206) no Hoare annotation was computed. [2018-11-28 12:48:10,852 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 185 209) no Hoare annotation was computed. [2018-11-28 12:48:10,852 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 185 209) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 12:48:10,852 INFO L444 ceAbstractionStarter]: At program point L204(line 204) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (< ~waterLevel~0 1)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 (not (= ~waterLevel~0 1)) .cse5) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse4 .cse1 .cse3) (or .cse4 .cse3 (< ~waterLevel~0 2) .cse5))) [2018-11-28 12:48:10,852 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 185 209) no Hoare annotation was computed. [2018-11-28 12:48:10,852 INFO L444 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (and (= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 12:48:10,853 INFO L444 ceAbstractionStarter]: At program point L195(line 195) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse2 .cse0 .cse1 (and (= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse2 (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 12:48:10,853 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 125 131) no Hoare annotation was computed. [2018-11-28 12:48:10,853 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 125 131) the Hoare annotation is: true [2018-11-28 12:48:10,853 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 357) no Hoare annotation was computed. [2018-11-28 12:48:10,853 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 341 404) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:48:10,853 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 341 404) no Hoare annotation was computed. [2018-11-28 12:48:10,853 INFO L444 ceAbstractionStarter]: At program point L397(lines 350 398) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:48:10,853 INFO L448 ceAbstractionStarter]: For program point L387(lines 387 391) no Hoare annotation was computed. [2018-11-28 12:48:10,853 INFO L444 ceAbstractionStarter]: At program point L387-2(lines 381 392) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse3 .cse2) (and .cse0 .cse4 .cse5 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse5 .cse3 .cse2))) [2018-11-28 12:48:10,853 INFO L448 ceAbstractionStarter]: For program point L352(lines 351 396) no Hoare annotation was computed. [2018-11-28 12:48:10,853 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 392) no Hoare annotation was computed. [2018-11-28 12:48:10,853 INFO L444 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse1))) [2018-11-28 12:48:10,853 INFO L448 ceAbstractionStarter]: For program point L371(lines 371 377) no Hoare annotation was computed. [2018-11-28 12:48:10,854 INFO L448 ceAbstractionStarter]: For program point L371-1(lines 371 377) no Hoare annotation was computed. [2018-11-28 12:48:10,854 INFO L444 ceAbstractionStarter]: At program point L363(line 363) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse1))) [2018-11-28 12:48:10,854 INFO L444 ceAbstractionStarter]: At program point L394(lines 351 396) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 .cse2 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse1))) [2018-11-28 12:48:10,854 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 367) no Hoare annotation was computed. [2018-11-28 12:48:10,854 INFO L448 ceAbstractionStarter]: For program point L361-1(lines 361 367) no Hoare annotation was computed. [2018-11-28 12:48:10,854 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 341 404) no Hoare annotation was computed. [2018-11-28 12:48:10,854 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 210 217) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 12:48:10,854 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 210 217) no Hoare annotation was computed. [2018-11-28 12:48:10,854 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 210 217) no Hoare annotation was computed. [2018-11-28 12:48:10,854 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 500 508) no Hoare annotation was computed. [2018-11-28 12:48:10,854 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 500 508) the Hoare annotation is: true [2018-11-28 12:48:10,854 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 500 508) no Hoare annotation was computed. [2018-11-28 12:48:10,854 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:48:10,855 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 12:48:10,855 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:48:10,855 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 231) no Hoare annotation was computed. [2018-11-28 12:48:10,855 INFO L444 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2018-11-28 12:48:10,855 INFO L448 ceAbstractionStarter]: For program point L223-1(line 223) no Hoare annotation was computed. [2018-11-28 12:48:10,855 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 218 234) no Hoare annotation was computed. [2018-11-28 12:48:10,855 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 218 234) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2018-11-28 12:48:10,855 INFO L444 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= activatePump_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 12:48:10,855 INFO L448 ceAbstractionStarter]: For program point L229-1(lines 218 234) no Hoare annotation was computed. [2018-11-28 12:48:10,855 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 477 485) the Hoare annotation is: true [2018-11-28 12:48:10,855 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 477 485) no Hoare annotation was computed. [2018-11-28 12:48:10,855 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 477 485) no Hoare annotation was computed. [2018-11-28 12:48:10,855 INFO L448 ceAbstractionStarter]: For program point L306-1(line 306) no Hoare annotation was computed. [2018-11-28 12:48:10,855 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 299 317) no Hoare annotation was computed. [2018-11-28 12:48:10,856 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 299 317) the Hoare annotation is: true [2018-11-28 12:48:10,856 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 299 317) no Hoare annotation was computed. [2018-11-28 12:48:10,856 INFO L448 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2018-11-28 12:48:10,856 INFO L451 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: true [2018-11-28 12:48:10,856 INFO L448 ceAbstractionStarter]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2018-11-28 12:48:10,856 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 433 444) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 (or (< ~waterLevel~0 2) .cse2)) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse3 (= ~methaneLevelCritical~0 1) (< ~waterLevel~0 1) .cse2) (or .cse0 .cse3 .cse2 (not (= ~waterLevel~0 1)) .cse1))) [2018-11-28 12:48:10,856 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 433 444) no Hoare annotation was computed. [2018-11-28 12:48:10,856 INFO L448 ceAbstractionStarter]: For program point L437-1(lines 433 444) no Hoare annotation was computed. [2018-11-28 12:48:10,856 INFO L451 ceAbstractionStarter]: At program point L928(lines 903 932) the Hoare annotation is: true [2018-11-28 12:48:10,856 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 903 932) no Hoare annotation was computed. [2018-11-28 12:48:10,856 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 903 932) the Hoare annotation is: true [2018-11-28 12:48:10,856 INFO L448 ceAbstractionStarter]: For program point L924(line 924) no Hoare annotation was computed. [2018-11-28 12:48:10,856 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 921) no Hoare annotation was computed. [2018-11-28 12:48:10,856 INFO L451 ceAbstractionStarter]: At program point L917-1(lines 917 921) the Hoare annotation is: true [2018-11-28 12:48:10,856 INFO L448 ceAbstractionStarter]: For program point L914(line 914) no Hoare annotation was computed. [2018-11-28 12:48:10,857 INFO L451 ceAbstractionStarter]: At program point L913-2(lines 913 927) the Hoare annotation is: true [2018-11-28 12:48:10,857 INFO L451 ceAbstractionStarter]: At program point L909(line 909) the Hoare annotation is: true [2018-11-28 12:48:10,857 INFO L448 ceAbstractionStarter]: For program point L909-1(line 909) no Hoare annotation was computed. [2018-11-28 12:48:10,857 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 445 453) the Hoare annotation is: true [2018-11-28 12:48:10,857 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 445 453) no Hoare annotation was computed. [2018-11-28 12:48:10,857 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 445 453) no Hoare annotation was computed. [2018-11-28 12:48:10,857 INFO L444 ceAbstractionStarter]: At program point L114(line 114) the Hoare annotation is: (let ((.cse14 (= ~systemActive~0 1))) (let ((.cse12 (< |old(~waterLevel~0)| 2)) (.cse9 (not .cse14)) (.cse13 (+ ~waterLevel~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse11 (and .cse4 .cse5 .cse14 .cse3)) (.cse1 (<= .cse13 |old(~waterLevel~0)|)) (.cse2 (<= |old(~waterLevel~0)| .cse13)) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse6 (or .cse12 .cse9))) (and (or .cse0 (and .cse1 (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse3) (and .cse4 .cse5 .cse3) .cse6) (or .cse7 .cse8 .cse9 (not (= |old(~waterLevel~0)| 1)) .cse10) (or .cse11 (or .cse8 .cse9) .cse12 .cse10) (or .cse0 (<= 2 |old(~waterLevel~0)|) .cse8 (< |old(~waterLevel~0)| 1) .cse9 .cse7) (or .cse11 (and .cse1 .cse2 .cse3) .cse10 .cse6))))) [2018-11-28 12:48:10,857 INFO L444 ceAbstractionStarter]: At program point L112(lines 112 118) the Hoare annotation is: (let ((.cse8 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (or (< |old(~waterLevel~0)| 2) .cse2)) (.cse4 (let ((.cse9 (+ ~waterLevel~0 1))) (and (<= .cse9 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) .cse8 (<= |old(~waterLevel~0)| .cse9))))) (and (or (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse0) .cse1 .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) (or .cse4 .cse5 .cse3 .cse6) (or .cse7 .cse1 (< |old(~waterLevel~0)| 1) .cse2 (and .cse5 .cse0)) (or .cse7 (and .cse8 .cse0) .cse6 .cse4)))) [2018-11-28 12:48:10,857 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 101 124) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse4 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse7)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (or (< |old(~waterLevel~0)| 2) .cse2)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse7))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) (or .cse4 .cse5 .cse6) (or .cse4 .cse3 .cse6) (or .cse5 (<= 2 |old(~waterLevel~0)|) .cse1 (< |old(~waterLevel~0)| 1) .cse2 .cse0)))) [2018-11-28 12:48:10,858 INFO L444 ceAbstractionStarter]: At program point L107(line 107) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< |old(~waterLevel~0)| 1)) (.cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (or (< |old(~waterLevel~0)| 2) .cse5))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse3 .cse4 .cse5 .cse6) (or .cse1 .cse6 .cse2)))) [2018-11-28 12:48:10,858 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 101 124) no Hoare annotation was computed. [2018-11-28 12:48:10,858 INFO L448 ceAbstractionStarter]: For program point L105(lines 104 123) no Hoare annotation was computed. [2018-11-28 12:48:10,858 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 101 124) no Hoare annotation was computed. [2018-11-28 12:48:10,858 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 409 420) the Hoare annotation is: (let ((.cse1 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0))) [2018-11-28 12:48:10,858 INFO L448 ceAbstractionStarter]: For program point L413-1(lines 409 420) no Hoare annotation was computed. [2018-11-28 12:48:10,858 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 409 420) no Hoare annotation was computed. [2018-11-28 12:48:10,858 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 957 963) no Hoare annotation was computed. [2018-11-28 12:48:10,858 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 957 963) the Hoare annotation is: true [2018-11-28 12:48:10,858 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:48:10,858 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-11-28 12:48:10,858 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:48:10,858 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:48:10,859 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 133 157) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1) .cse2) (or .cse1 (or .cse0 .cse2) (< ~waterLevel~0 2) .cse3) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-28 12:48:10,859 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 133 157) no Hoare annotation was computed. [2018-11-28 12:48:10,859 INFO L444 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 12:48:10,859 INFO L448 ceAbstractionStarter]: For program point L152-1(lines 133 157) no Hoare annotation was computed. [2018-11-28 12:48:10,859 INFO L444 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-28 12:48:10,859 INFO L444 ceAbstractionStarter]: At program point L143(line 143) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 1)) (.cse0 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0 .cse3))) [2018-11-28 12:48:10,859 INFO L448 ceAbstractionStarter]: For program point L141(lines 141 149) no Hoare annotation was computed. [2018-11-28 12:48:10,859 INFO L444 ceAbstractionStarter]: At program point L139(line 139) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1) .cse2) (or .cse1 (or .cse0 .cse2) (< ~waterLevel~0 2) .cse3) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-28 12:48:10,859 INFO L448 ceAbstractionStarter]: For program point L139-1(line 139) no Hoare annotation was computed. [2018-11-28 12:48:10,859 INFO L448 ceAbstractionStarter]: For program point L137(lines 137 154) no Hoare annotation was computed. [2018-11-28 12:48:10,859 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 421 432) no Hoare annotation was computed. [2018-11-28 12:48:10,859 INFO L448 ceAbstractionStarter]: For program point L425-1(lines 421 432) no Hoare annotation was computed. [2018-11-28 12:48:10,860 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 421 432) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< |old(~waterLevel~0)| 2)) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (or .cse1 .cse2))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) (or .cse4 (<= 2 |old(~waterLevel~0)|) (< |old(~waterLevel~0)| 1) .cse0 .cse5) (or .cse2 .cse6 .cse7 .cse3) (or .cse4 .cse6 .cse7 .cse5)))) [2018-11-28 12:48:10,860 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-28 12:48:10,860 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-28 12:48:10,860 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-28 12:48:10,860 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-28 12:48:10,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:48:10 BoogieIcfgContainer [2018-11-28 12:48:10,873 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:48:10,873 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:48:10,873 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:48:10,874 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:48:10,874 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:47:58" (3/4) ... [2018-11-28 12:48:10,877 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:48:10,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 12:48:10,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 12:48:10,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 12:48:10,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:48:10,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-28 12:48:10,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 12:48:10,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 12:48:10,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 12:48:10,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 12:48:10,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 12:48:10,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 12:48:10,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 12:48:10,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 12:48:10,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 12:48:10,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 12:48:10,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 12:48:10,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 12:48:10,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:48:10,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 12:48:10,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 12:48:10,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 12:48:10,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 12:48:10,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 12:48:10,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 12:48:10,885 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 12:48:10,885 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 12:48:10,885 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 12:48:10,885 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:48:10,885 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 12:48:10,885 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 12:48:10,891 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-28 12:48:10,892 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 12:48:10,892 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 12:48:10,892 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 12:48:10,893 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 12:48:10,893 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 12:48:10,915 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 1) || !(0 == \old(pumpRunning))) || ((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0) [2018-11-28 12:48:10,916 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 12:48:10,947 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d030c114-b5de-4129-a319-34e06b35b2db/bin-2019/uautomizer/witness.graphml [2018-11-28 12:48:10,947 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:48:10,948 INFO L168 Benchmark]: Toolchain (without parser) took 13530.63 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 556.3 MB). Free memory was 950.6 MB in the beginning and 1.5 GB in the end (delta: -512.5 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:48:10,949 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:48:10,949 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -173.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:48:10,949 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.05 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:48:10,949 INFO L168 Benchmark]: Boogie Preprocessor took 30.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:48:10,949 INFO L168 Benchmark]: RCFGBuilder took 485.65 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: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:48:10,950 INFO L168 Benchmark]: TraceAbstraction took 12533.69 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 419.4 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -419.0 MB). Peak memory consumption was 694.0 MB. Max. memory is 11.5 GB. [2018-11-28 12:48:10,950 INFO L168 Benchmark]: Witness Printer took 74.17 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:48:10,951 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 372.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -173.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.05 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 485.65 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: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12533.69 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 419.4 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -419.0 MB). Peak memory consumption was 694.0 MB. Max. memory is 11.5 GB. * Witness Printer took 74.17 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1) || !(0 == \old(pumpRunning))) || ((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0) - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 166 locations, 1 error locations. SAFE Result, 12.4s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 5.7s AutomataDifference, 0.0s DeadEndRemovalTime, 3.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 2627 SDtfs, 3102 SDslu, 9650 SDs, 0 SdLazy, 7240 SolverSat, 1392 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1086 GetRequests, 909 SyntacticMatches, 3 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 573 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1280occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 303 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 3777 PreInvPairs, 3896 NumberOfFragments, 2258 HoareAnnotationTreeSize, 3777 FomulaSimplifications, 6920 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 69 FomulaSimplificationsInter, 18833 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2522 NumberOfCodeBlocks, 2522 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2504 ConstructedInterpolants, 0 QuantifiedInterpolants, 621565 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4521 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 651/714 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...