./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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3c291fbd-fc71-4d8a-b3b6-60023340b382/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3c291fbd-fc71-4d8a-b3b6-60023340b382/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3c291fbd-fc71-4d8a-b3b6-60023340b382/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3c291fbd-fc71-4d8a-b3b6-60023340b382/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_3c291fbd-fc71-4d8a-b3b6-60023340b382/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3c291fbd-fc71-4d8a-b3b6-60023340b382/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 0.1.23-635dfa2 [2018-12-08 08:03:17,985 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 08:03:17,986 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 08:03:17,992 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 08:03:17,992 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 08:03:17,993 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 08:03:17,994 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 08:03:17,995 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 08:03:17,996 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 08:03:17,997 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 08:03:17,998 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 08:03:17,998 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 08:03:17,999 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 08:03:17,999 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 08:03:18,000 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 08:03:18,001 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 08:03:18,001 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 08:03:18,003 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 08:03:18,004 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 08:03:18,005 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 08:03:18,006 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 08:03:18,007 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 08:03:18,009 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 08:03:18,009 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 08:03:18,009 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 08:03:18,010 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 08:03:18,010 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 08:03:18,011 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 08:03:18,011 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 08:03:18,012 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 08:03:18,012 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 08:03:18,012 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 08:03:18,012 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 08:03:18,012 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 08:03:18,013 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 08:03:18,013 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 08:03:18,013 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3c291fbd-fc71-4d8a-b3b6-60023340b382/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 08:03:18,020 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 08:03:18,020 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 08:03:18,020 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 08:03:18,021 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 08:03:18,021 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 08:03:18,021 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 08:03:18,021 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 08:03:18,021 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 08:03:18,021 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 08:03:18,021 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 08:03:18,021 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 08:03:18,022 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 08:03:18,022 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 08:03:18,022 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 08:03:18,022 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 08:03:18,022 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 08:03:18,022 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 08:03:18,022 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 08:03:18,022 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 08:03:18,022 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 08:03:18,022 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 08:03:18,023 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 08:03:18,023 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 08:03:18,023 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 08:03:18,023 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 08:03:18,023 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 08:03:18,023 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 08:03:18,023 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 08:03:18,023 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 08:03:18,023 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 08:03:18,023 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_3c291fbd-fc71-4d8a-b3b6-60023340b382/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 [2018-12-08 08:03:18,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 08:03:18,047 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 08:03:18,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 08:03:18,049 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 08:03:18,050 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 08:03:18,050 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3c291fbd-fc71-4d8a-b3b6-60023340b382/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product61_true-unreach-call_false-termination.cil.c [2018-12-08 08:03:18,083 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3c291fbd-fc71-4d8a-b3b6-60023340b382/bin-2019/uautomizer/data/046134da8/6692476743124477af222627167f32f9/FLAG89e695f2a [2018-12-08 08:03:18,476 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 08:03:18,476 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3c291fbd-fc71-4d8a-b3b6-60023340b382/sv-benchmarks/c/product-lines/minepump_spec4_product61_true-unreach-call_false-termination.cil.c [2018-12-08 08:03:18,482 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3c291fbd-fc71-4d8a-b3b6-60023340b382/bin-2019/uautomizer/data/046134da8/6692476743124477af222627167f32f9/FLAG89e695f2a [2018-12-08 08:03:18,836 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3c291fbd-fc71-4d8a-b3b6-60023340b382/bin-2019/uautomizer/data/046134da8/6692476743124477af222627167f32f9 [2018-12-08 08:03:18,838 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 08:03:18,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 08:03:18,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 08:03:18,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 08:03:18,841 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 08:03:18,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:03:18" (1/1) ... [2018-12-08 08:03:18,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20866eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:03:18, skipping insertion in model container [2018-12-08 08:03:18,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:03:18" (1/1) ... [2018-12-08 08:03:18,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 08:03:18,875 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 08:03:19,035 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 08:03:19,043 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 08:03:19,121 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 08:03:19,136 INFO L195 MainTranslator]: Completed translation [2018-12-08 08:03:19,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:03:19 WrapperNode [2018-12-08 08:03:19,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 08:03:19,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 08:03:19,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 08:03:19,137 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 08:03:19,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:03:19" (1/1) ... [2018-12-08 08:03:19,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:03:19" (1/1) ... [2018-12-08 08:03:19,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 08:03:19,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 08:03:19,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 08:03:19,158 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 08:03:19,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:03:19" (1/1) ... [2018-12-08 08:03:19,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:03:19" (1/1) ... [2018-12-08 08:03:19,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:03:19" (1/1) ... [2018-12-08 08:03:19,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:03:19" (1/1) ... [2018-12-08 08:03:19,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:03:19" (1/1) ... [2018-12-08 08:03:19,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:03:19" (1/1) ... [2018-12-08 08:03:19,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:03:19" (1/1) ... [2018-12-08 08:03:19,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 08:03:19,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 08:03:19,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 08:03:19,180 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 08:03:19,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:03:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c291fbd-fc71-4d8a-b3b6-60023340b382/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 [2018-12-08 08:03:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 08:03:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 08:03:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-08 08:03:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-08 08:03:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 08:03:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 08:03:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 08:03:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 08:03:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 08:03:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 08:03:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 08:03:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 08:03:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 08:03:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 08:03:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 08:03:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 08:03:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 08:03:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 08:03:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 08:03:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 08:03:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 08:03:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 08:03:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 08:03:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 08:03:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 08:03:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 08:03:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 08:03:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 08:03:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 08:03:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 08:03:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 08:03:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 08:03:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 08:03:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 08:03:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 08:03:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 08:03:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 08:03:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 08:03:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 08:03:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 08:03:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 08:03:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 08:03:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 08:03:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 08:03:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 08:03:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 08:03:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 08:03:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 08:03:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 08:03:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 08:03:19,217 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 08:03:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 08:03:19,217 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 08:03:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 08:03:19,217 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 08:03:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 08:03:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 08:03:19,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 08:03:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 08:03:19,217 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 08:03:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 08:03:19,217 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 08:03:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 08:03:19,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 08:03:19,506 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 08:03:19,507 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 08:03:19,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:03:19 BoogieIcfgContainer [2018-12-08 08:03:19,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 08:03:19,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 08:03:19,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 08:03:19,509 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 08:03:19,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 08:03:18" (1/3) ... [2018-12-08 08:03:19,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb5dacd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:03:19, skipping insertion in model container [2018-12-08 08:03:19,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:03:19" (2/3) ... [2018-12-08 08:03:19,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb5dacd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:03:19, skipping insertion in model container [2018-12-08 08:03:19,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:03:19" (3/3) ... [2018-12-08 08:03:19,512 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product61_true-unreach-call_false-termination.cil.c [2018-12-08 08:03:19,518 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 08:03:19,523 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 08:03:19,533 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 08:03:19,551 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 08:03:19,551 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 08:03:19,552 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 08:03:19,552 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 08:03:19,552 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 08:03:19,552 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 08:03:19,552 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 08:03:19,552 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 08:03:19,552 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 08:03:19,564 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2018-12-08 08:03:19,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 08:03:19,569 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:03:19,570 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] [2018-12-08 08:03:19,571 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:03:19,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:03:19,575 INFO L82 PathProgramCache]: Analyzing trace with hash 414454525, now seen corresponding path program 1 times [2018-12-08 08:03:19,576 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:03:19,576 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:03:19,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:19,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:03:19,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:03:19,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:03:19,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:03:19,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 08:03:19,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 08:03:19,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 08:03:19,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 08:03:19,723 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 2 states. [2018-12-08 08:03:19,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:03:19,746 INFO L93 Difference]: Finished difference Result 306 states and 379 transitions. [2018-12-08 08:03:19,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 08:03:19,747 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-08 08:03:19,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:03:19,754 INFO L225 Difference]: With dead ends: 306 [2018-12-08 08:03:19,754 INFO L226 Difference]: Without dead ends: 153 [2018-12-08 08:03:19,757 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 08:03:19,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-12-08 08:03:19,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-12-08 08:03:19,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-12-08 08:03:19,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 181 transitions. [2018-12-08 08:03:19,789 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 181 transitions. Word has length 46 [2018-12-08 08:03:19,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:03:19,790 INFO L480 AbstractCegarLoop]: Abstraction has 153 states and 181 transitions. [2018-12-08 08:03:19,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 08:03:19,790 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 181 transitions. [2018-12-08 08:03:19,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 08:03:19,791 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:03:19,791 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] [2018-12-08 08:03:19,792 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:03:19,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:03:19,792 INFO L82 PathProgramCache]: Analyzing trace with hash -369712952, now seen corresponding path program 1 times [2018-12-08 08:03:19,792 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:03:19,792 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:03:19,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:19,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:03:19,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:03:19,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:03:19,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:03:19,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 08:03:19,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 08:03:19,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 08:03:19,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 08:03:19,843 INFO L87 Difference]: Start difference. First operand 153 states and 181 transitions. Second operand 3 states. [2018-12-08 08:03:19,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:03:19,863 INFO L93 Difference]: Finished difference Result 255 states and 301 transitions. [2018-12-08 08:03:19,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 08:03:19,864 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-08 08:03:19,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:03:19,865 INFO L225 Difference]: With dead ends: 255 [2018-12-08 08:03:19,865 INFO L226 Difference]: Without dead ends: 144 [2018-12-08 08:03:19,866 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 08:03:19,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-12-08 08:03:19,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-12-08 08:03:19,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-12-08 08:03:19,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 169 transitions. [2018-12-08 08:03:19,877 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 169 transitions. Word has length 47 [2018-12-08 08:03:19,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:03:19,878 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 169 transitions. [2018-12-08 08:03:19,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 08:03:19,878 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 169 transitions. [2018-12-08 08:03:19,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 08:03:19,879 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:03:19,879 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:03:19,879 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:03:19,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:03:19,880 INFO L82 PathProgramCache]: Analyzing trace with hash 928795825, now seen corresponding path program 1 times [2018-12-08 08:03:19,880 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:03:19,880 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:03:19,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:19,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:03:19,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:03:19,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:03:19,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:03:19,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 08:03:19,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 08:03:19,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 08:03:19,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 08:03:19,956 INFO L87 Difference]: Start difference. First operand 144 states and 169 transitions. Second operand 7 states. [2018-12-08 08:03:20,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:03:20,119 INFO L93 Difference]: Finished difference Result 264 states and 315 transitions. [2018-12-08 08:03:20,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 08:03:20,119 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-08 08:03:20,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:03:20,120 INFO L225 Difference]: With dead ends: 264 [2018-12-08 08:03:20,120 INFO L226 Difference]: Without dead ends: 144 [2018-12-08 08:03:20,121 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 [2018-12-08 08:03:20,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-12-08 08:03:20,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-12-08 08:03:20,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-12-08 08:03:20,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2018-12-08 08:03:20,129 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 51 [2018-12-08 08:03:20,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:03:20,129 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2018-12-08 08:03:20,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 08:03:20,129 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2018-12-08 08:03:20,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 08:03:20,131 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:03:20,131 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] [2018-12-08 08:03:20,131 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:03:20,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:03:20,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1654083998, now seen corresponding path program 1 times [2018-12-08 08:03:20,131 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:03:20,132 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:03:20,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:20,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:03:20,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:03:20,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:03:20,195 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:03:20,195 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 08:03:20,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 08:03:20,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 08:03:20,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:03:20,196 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 5 states. [2018-12-08 08:03:20,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:03:20,502 INFO L93 Difference]: Finished difference Result 376 states and 452 transitions. [2018-12-08 08:03:20,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 08:03:20,503 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-12-08 08:03:20,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:03:20,504 INFO L225 Difference]: With dead ends: 376 [2018-12-08 08:03:20,504 INFO L226 Difference]: Without dead ends: 256 [2018-12-08 08:03:20,505 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 [2018-12-08 08:03:20,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-12-08 08:03:20,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 238. [2018-12-08 08:03:20,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-12-08 08:03:20,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 268 transitions. [2018-12-08 08:03:20,519 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 268 transitions. Word has length 69 [2018-12-08 08:03:20,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:03:20,519 INFO L480 AbstractCegarLoop]: Abstraction has 238 states and 268 transitions. [2018-12-08 08:03:20,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 08:03:20,519 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 268 transitions. [2018-12-08 08:03:20,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-08 08:03:20,520 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:03:20,520 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] [2018-12-08 08:03:20,520 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:03:20,520 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:03:20,520 INFO L82 PathProgramCache]: Analyzing trace with hash -548786926, now seen corresponding path program 1 times [2018-12-08 08:03:20,520 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:03:20,520 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:03:20,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:20,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:03:20,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:03:20,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:03:20,607 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:03:20,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 08:03:20,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 08:03:20,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 08:03:20,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-08 08:03:20,608 INFO L87 Difference]: Start difference. First operand 238 states and 268 transitions. Second operand 10 states. [2018-12-08 08:03:20,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:03:20,930 INFO L93 Difference]: Finished difference Result 771 states and 939 transitions. [2018-12-08 08:03:20,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 08:03:20,931 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2018-12-08 08:03:20,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:03:20,933 INFO L225 Difference]: With dead ends: 771 [2018-12-08 08:03:20,933 INFO L226 Difference]: Without dead ends: 557 [2018-12-08 08:03:20,934 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-08 08:03:20,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2018-12-08 08:03:20,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 547. [2018-12-08 08:03:20,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2018-12-08 08:03:20,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 636 transitions. [2018-12-08 08:03:20,958 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 636 transitions. Word has length 83 [2018-12-08 08:03:20,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:03:20,959 INFO L480 AbstractCegarLoop]: Abstraction has 547 states and 636 transitions. [2018-12-08 08:03:20,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 08:03:20,959 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 636 transitions. [2018-12-08 08:03:20,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-08 08:03:20,960 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:03:20,961 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] [2018-12-08 08:03:20,961 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:03:20,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:03:20,961 INFO L82 PathProgramCache]: Analyzing trace with hash 209701970, now seen corresponding path program 1 times [2018-12-08 08:03:20,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:03:20,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:03:20,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:20,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:03:20,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:03:21,017 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-08 08:03:21,017 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 08:03:21,017 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c291fbd-fc71-4d8a-b3b6-60023340b382/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 [2018-12-08 08:03:21,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:03:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:03:21,110 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:03:21,135 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 08:03:21,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 08:03:21,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-12-08 08:03:21,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 08:03:21,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 08:03:21,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 08:03:21,152 INFO L87 Difference]: Start difference. First operand 547 states and 636 transitions. Second operand 6 states. [2018-12-08 08:03:21,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:03:21,187 INFO L93 Difference]: Finished difference Result 1091 states and 1314 transitions. [2018-12-08 08:03:21,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 08:03:21,187 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2018-12-08 08:03:21,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:03:21,189 INFO L225 Difference]: With dead ends: 1091 [2018-12-08 08:03:21,189 INFO L226 Difference]: Without dead ends: 568 [2018-12-08 08:03:21,190 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 145 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 08:03:21,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-12-08 08:03:21,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 562. [2018-12-08 08:03:21,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2018-12-08 08:03:21,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 652 transitions. [2018-12-08 08:03:21,211 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 652 transitions. Word has length 146 [2018-12-08 08:03:21,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:03:21,211 INFO L480 AbstractCegarLoop]: Abstraction has 562 states and 652 transitions. [2018-12-08 08:03:21,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 08:03:21,211 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 652 transitions. [2018-12-08 08:03:21,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-08 08:03:21,213 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:03:21,213 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] [2018-12-08 08:03:21,213 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:03:21,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:03:21,214 INFO L82 PathProgramCache]: Analyzing trace with hash -489278518, now seen corresponding path program 1 times [2018-12-08 08:03:21,214 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:03:21,214 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:03:21,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:21,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:03:21,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:03:21,295 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-08 08:03:21,295 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 08:03:21,295 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c291fbd-fc71-4d8a-b3b6-60023340b382/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 [2018-12-08 08:03:21,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:03:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:03:21,374 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:03:21,462 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:03:21,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 08:03:21,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2018-12-08 08:03:21,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 08:03:21,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 08:03:21,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-12-08 08:03:21,483 INFO L87 Difference]: Start difference. First operand 562 states and 652 transitions. Second operand 14 states. [2018-12-08 08:03:22,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:03:22,753 INFO L93 Difference]: Finished difference Result 1360 states and 1779 transitions. [2018-12-08 08:03:22,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-08 08:03:22,753 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 150 [2018-12-08 08:03:22,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:03:22,756 INFO L225 Difference]: With dead ends: 1360 [2018-12-08 08:03:22,756 INFO L226 Difference]: Without dead ends: 822 [2018-12-08 08:03:22,757 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=140, Invalid=616, Unknown=0, NotChecked=0, Total=756 [2018-12-08 08:03:22,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2018-12-08 08:03:22,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 750. [2018-12-08 08:03:22,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 750 states. [2018-12-08 08:03:22,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 901 transitions. [2018-12-08 08:03:22,783 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 901 transitions. Word has length 150 [2018-12-08 08:03:22,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:03:22,783 INFO L480 AbstractCegarLoop]: Abstraction has 750 states and 901 transitions. [2018-12-08 08:03:22,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 08:03:22,783 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 901 transitions. [2018-12-08 08:03:22,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-08 08:03:22,785 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:03:22,785 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] [2018-12-08 08:03:22,785 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:03:22,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:03:22,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1442480151, now seen corresponding path program 1 times [2018-12-08 08:03:22,785 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:03:22,786 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:03:22,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:22,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:03:22,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:03:22,843 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 08:03:22,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:03:22,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 08:03:22,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 08:03:22,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 08:03:22,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-08 08:03:22,844 INFO L87 Difference]: Start difference. First operand 750 states and 901 transitions. Second operand 9 states. [2018-12-08 08:03:23,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:03:23,228 INFO L93 Difference]: Finished difference Result 2009 states and 2473 transitions. [2018-12-08 08:03:23,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-08 08:03:23,228 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 150 [2018-12-08 08:03:23,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:03:23,234 INFO L225 Difference]: With dead ends: 2009 [2018-12-08 08:03:23,234 INFO L226 Difference]: Without dead ends: 1283 [2018-12-08 08:03:23,237 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 [2018-12-08 08:03:23,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2018-12-08 08:03:23,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1280. [2018-12-08 08:03:23,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1280 states. [2018-12-08 08:03:23,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 1280 states and 1524 transitions. [2018-12-08 08:03:23,304 INFO L78 Accepts]: Start accepts. Automaton has 1280 states and 1524 transitions. Word has length 150 [2018-12-08 08:03:23,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:03:23,305 INFO L480 AbstractCegarLoop]: Abstraction has 1280 states and 1524 transitions. [2018-12-08 08:03:23,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 08:03:23,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1524 transitions. [2018-12-08 08:03:23,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-08 08:03:23,307 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:03:23,307 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] [2018-12-08 08:03:23,307 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:03:23,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:03:23,308 INFO L82 PathProgramCache]: Analyzing trace with hash 840093701, now seen corresponding path program 1 times [2018-12-08 08:03:23,308 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:03:23,308 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:03:23,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:23,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:03:23,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:03:23,420 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 08:03:23,420 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 08:03:23,420 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c291fbd-fc71-4d8a-b3b6-60023340b382/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 [2018-12-08 08:03:23,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:03:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:03:23,490 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:03:23,575 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 08:03:23,590 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 08:03:23,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-08 08:03:23,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 08:03:23,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 08:03:23,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-08 08:03:23,591 INFO L87 Difference]: Start difference. First operand 1280 states and 1524 transitions. Second operand 19 states. [2018-12-08 08:03:24,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:03:24,169 INFO L93 Difference]: Finished difference Result 2371 states and 2869 transitions. [2018-12-08 08:03:24,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 08:03:24,170 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 154 [2018-12-08 08:03:24,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:03:24,173 INFO L225 Difference]: With dead ends: 2371 [2018-12-08 08:03:24,173 INFO L226 Difference]: Without dead ends: 1243 [2018-12-08 08:03:24,175 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 [2018-12-08 08:03:24,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2018-12-08 08:03:24,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 1240. [2018-12-08 08:03:24,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1240 states. [2018-12-08 08:03:24,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1469 transitions. [2018-12-08 08:03:24,210 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1469 transitions. Word has length 154 [2018-12-08 08:03:24,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:03:24,211 INFO L480 AbstractCegarLoop]: Abstraction has 1240 states and 1469 transitions. [2018-12-08 08:03:24,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 08:03:24,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1469 transitions. [2018-12-08 08:03:24,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-08 08:03:24,212 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:03:24,212 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] [2018-12-08 08:03:24,213 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:03:24,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:03:24,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1950280525, now seen corresponding path program 2 times [2018-12-08 08:03:24,213 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:03:24,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:03:24,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:24,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:03:24,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:03:24,267 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 08:03:24,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:03:24,267 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 08:03:24,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 08:03:24,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 08:03:24,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 08:03:24,268 INFO L87 Difference]: Start difference. First operand 1240 states and 1469 transitions. Second operand 6 states. [2018-12-08 08:03:24,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:03:24,381 INFO L93 Difference]: Finished difference Result 1265 states and 1498 transitions. [2018-12-08 08:03:24,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 08:03:24,381 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2018-12-08 08:03:24,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:03:24,385 INFO L225 Difference]: With dead ends: 1265 [2018-12-08 08:03:24,385 INFO L226 Difference]: Without dead ends: 1262 [2018-12-08 08:03:24,386 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 [2018-12-08 08:03:24,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2018-12-08 08:03:24,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1240. [2018-12-08 08:03:24,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1240 states. [2018-12-08 08:03:24,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1461 transitions. [2018-12-08 08:03:24,439 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1461 transitions. Word has length 154 [2018-12-08 08:03:24,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:03:24,439 INFO L480 AbstractCegarLoop]: Abstraction has 1240 states and 1461 transitions. [2018-12-08 08:03:24,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 08:03:24,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1461 transitions. [2018-12-08 08:03:24,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-08 08:03:24,441 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:03:24,441 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] [2018-12-08 08:03:24,441 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:03:24,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:03:24,441 INFO L82 PathProgramCache]: Analyzing trace with hash -327634403, now seen corresponding path program 1 times [2018-12-08 08:03:24,441 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:03:24,441 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:03:24,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:24,442 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 08:03:24,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:03:24,515 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 08:03:24,515 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:03:24,515 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 08:03:24,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 08:03:24,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 08:03:24,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-08 08:03:24,516 INFO L87 Difference]: Start difference. First operand 1240 states and 1461 transitions. Second operand 9 states. [2018-12-08 08:03:24,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:03:24,574 INFO L93 Difference]: Finished difference Result 2352 states and 2805 transitions. [2018-12-08 08:03:24,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 08:03:24,574 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 172 [2018-12-08 08:03:24,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:03:24,577 INFO L225 Difference]: With dead ends: 2352 [2018-12-08 08:03:24,577 INFO L226 Difference]: Without dead ends: 1264 [2018-12-08 08:03:24,579 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 [2018-12-08 08:03:24,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1264 states. [2018-12-08 08:03:24,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1264 to 1255. [2018-12-08 08:03:24,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2018-12-08 08:03:24,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1476 transitions. [2018-12-08 08:03:24,613 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1476 transitions. Word has length 172 [2018-12-08 08:03:24,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:03:24,614 INFO L480 AbstractCegarLoop]: Abstraction has 1255 states and 1476 transitions. [2018-12-08 08:03:24,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 08:03:24,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1476 transitions. [2018-12-08 08:03:24,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-08 08:03:24,615 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:03:24,615 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] [2018-12-08 08:03:24,615 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:03:24,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:03:24,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1916348895, now seen corresponding path program 1 times [2018-12-08 08:03:24,616 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:03:24,616 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:03:24,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:24,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:03:24,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:03:24,691 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 08:03:24,691 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 08:03:24,692 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c291fbd-fc71-4d8a-b3b6-60023340b382/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 [2018-12-08 08:03:24,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:03:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:03:24,767 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:03:24,844 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:03:24,859 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 08:03:24,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-12-08 08:03:24,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 08:03:24,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 08:03:24,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-12-08 08:03:24,860 INFO L87 Difference]: Start difference. First operand 1255 states and 1476 transitions. Second operand 14 states. [2018-12-08 08:03:25,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:03:25,682 INFO L93 Difference]: Finished difference Result 2484 states and 3056 transitions. [2018-12-08 08:03:25,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-08 08:03:25,682 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 172 [2018-12-08 08:03:25,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:03:25,688 INFO L225 Difference]: With dead ends: 2484 [2018-12-08 08:03:25,688 INFO L226 Difference]: Without dead ends: 1381 [2018-12-08 08:03:25,690 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 [2018-12-08 08:03:25,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2018-12-08 08:03:25,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 1225. [2018-12-08 08:03:25,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1225 states. [2018-12-08 08:03:25,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 1440 transitions. [2018-12-08 08:03:25,754 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 1440 transitions. Word has length 172 [2018-12-08 08:03:25,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:03:25,754 INFO L480 AbstractCegarLoop]: Abstraction has 1225 states and 1440 transitions. [2018-12-08 08:03:25,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 08:03:25,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1440 transitions. [2018-12-08 08:03:25,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-08 08:03:25,757 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:03:25,757 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] [2018-12-08 08:03:25,758 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:03:25,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:03:25,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1548542198, now seen corresponding path program 2 times [2018-12-08 08:03:25,758 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:03:25,758 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:03:25,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:25,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:03:25,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:03:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:03:25,869 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 45 proven. 14 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-08 08:03:25,869 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 08:03:25,869 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c291fbd-fc71-4d8a-b3b6-60023340b382/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 [2018-12-08 08:03:25,889 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-08 08:03:25,990 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-08 08:03:25,991 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 08:03:25,998 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:03:26,084 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 08:03:26,099 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 08:03:26,100 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 14 [2018-12-08 08:03:26,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 08:03:26,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 08:03:26,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-08 08:03:26,100 INFO L87 Difference]: Start difference. First operand 1225 states and 1440 transitions. Second operand 14 states. [2018-12-08 08:03:26,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:03:26,625 INFO L93 Difference]: Finished difference Result 1976 states and 2341 transitions. [2018-12-08 08:03:26,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 08:03:26,626 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 241 [2018-12-08 08:03:26,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:03:26,626 INFO L225 Difference]: With dead ends: 1976 [2018-12-08 08:03:26,626 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 08:03:26,629 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 [2018-12-08 08:03:26,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 08:03:26,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 08:03:26,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 08:03:26,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 08:03:26,629 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 241 [2018-12-08 08:03:26,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:03:26,629 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 08:03:26,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 08:03:26,630 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 08:03:26,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 08:03:26,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 08:03:26,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:26,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:27,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:27,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:03:28,070 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 48 [2018-12-08 08:03:29,047 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 29 [2018-12-08 08:03:29,413 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 41 [2018-12-08 08:03:29,517 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 24 [2018-12-08 08:03:29,519 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-12-08 08:03:29,519 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-12-08 08:03:29,519 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-12-08 08:03:29,519 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-12-08 08:03:29,519 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-12-08 08:03:29,519 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 510 534) the Hoare annotation is: true [2018-12-08 08:03:29,519 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 510 534) no Hoare annotation was computed. [2018-12-08 08:03:29,519 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))) [2018-12-08 08:03:29,519 INFO L448 ceAbstractionStarter]: For program point L522(lines 522 528) no Hoare annotation was computed. [2018-12-08 08:03:29,519 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))) [2018-12-08 08:03:29,519 INFO L448 ceAbstractionStarter]: For program point L520-1(line 520) no Hoare annotation was computed. [2018-12-08 08:03:29,519 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 531) no Hoare annotation was computed. [2018-12-08 08:03:29,519 INFO L448 ceAbstractionStarter]: For program point L518-1(lines 510 534) no Hoare annotation was computed. [2018-12-08 08:03:29,519 INFO L451 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: true [2018-12-08 08:03:29,520 INFO L448 ceAbstractionStarter]: For program point L516-1(line 516) no Hoare annotation was computed. [2018-12-08 08:03:29,520 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))) [2018-12-08 08:03:29,520 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))) [2018-12-08 08:03:29,520 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))) [2018-12-08 08:03:29,520 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 974 996) no Hoare annotation was computed. [2018-12-08 08:03:29,520 INFO L448 ceAbstractionStarter]: For program point L984(lines 984 991) no Hoare annotation was computed. [2018-12-08 08:03:29,520 INFO L448 ceAbstractionStarter]: For program point L984-1(lines 984 991) no Hoare annotation was computed. [2018-12-08 08:03:29,520 INFO L448 ceAbstractionStarter]: For program point L982(line 982) no Hoare annotation was computed. [2018-12-08 08:03:29,520 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))) [2018-12-08 08:03:29,520 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))) [2018-12-08 08:03:29,520 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))) [2018-12-08 08:03:29,520 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 974 996) no Hoare annotation was computed. [2018-12-08 08:03:29,520 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))) [2018-12-08 08:03:29,520 INFO L448 ceAbstractionStarter]: For program point L178-1(lines 159 183) no Hoare annotation was computed. [2018-12-08 08:03:29,520 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))))) [2018-12-08 08:03:29,520 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))) [2018-12-08 08:03:29,520 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 159 183) no Hoare annotation was computed. [2018-12-08 08:03:29,521 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))) [2018-12-08 08:03:29,521 INFO L448 ceAbstractionStarter]: For program point L167(lines 167 175) no Hoare annotation was computed. [2018-12-08 08:03:29,521 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))) [2018-12-08 08:03:29,521 INFO L448 ceAbstractionStarter]: For program point L165-1(line 165) no Hoare annotation was computed. [2018-12-08 08:03:29,521 INFO L448 ceAbstractionStarter]: For program point L163(lines 163 180) no Hoare annotation was computed. [2018-12-08 08:03:29,521 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 254 262) no Hoare annotation was computed. [2018-12-08 08:03:29,521 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 254 262) the Hoare annotation is: true [2018-12-08 08:03:29,521 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 254 262) no Hoare annotation was computed. [2018-12-08 08:03:29,521 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 318 336) the Hoare annotation is: true [2018-12-08 08:03:29,521 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 331) no Hoare annotation was computed. [2018-12-08 08:03:29,521 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 318 336) no Hoare annotation was computed. [2018-12-08 08:03:29,521 INFO L451 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: true [2018-12-08 08:03:29,521 INFO L448 ceAbstractionStarter]: For program point L327-2(lines 327 331) no Hoare annotation was computed. [2018-12-08 08:03:29,521 INFO L448 ceAbstractionStarter]: For program point L325-1(line 325) no Hoare annotation was computed. [2018-12-08 08:03:29,521 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 318 336) no Hoare annotation was computed. [2018-12-08 08:03:29,521 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-12-08 08:03:29,521 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-12-08 08:03:29,521 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))) [2018-12-08 08:03:29,521 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 964 973) no Hoare annotation was computed. [2018-12-08 08:03:29,521 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 964 973) no Hoare annotation was computed. [2018-12-08 08:03:29,521 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 243 253) the Hoare annotation is: true [2018-12-08 08:03:29,521 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 243 253) no Hoare annotation was computed. [2018-12-08 08:03:29,522 INFO L451 ceAbstractionStarter]: At program point L248(line 248) the Hoare annotation is: true [2018-12-08 08:03:29,522 INFO L448 ceAbstractionStarter]: For program point L248-1(line 248) no Hoare annotation was computed. [2018-12-08 08:03:29,522 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 243 253) no Hoare annotation was computed. [2018-12-08 08:03:29,522 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))) [2018-12-08 08:03:29,522 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 235 242) no Hoare annotation was computed. [2018-12-08 08:03:29,522 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 235 242) no Hoare annotation was computed. [2018-12-08 08:03:29,522 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 496) no Hoare annotation was computed. [2018-12-08 08:03:29,522 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 486 499) no Hoare annotation was computed. [2018-12-08 08:03:29,522 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 486 499) the Hoare annotation is: true [2018-12-08 08:03:29,522 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 486 499) no Hoare annotation was computed. [2018-12-08 08:03:29,522 INFO L448 ceAbstractionStarter]: For program point L193(lines 193 201) no Hoare annotation was computed. [2018-12-08 08:03:29,522 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))) [2018-12-08 08:03:29,522 INFO L448 ceAbstractionStarter]: For program point L191-1(line 191) no Hoare annotation was computed. [2018-12-08 08:03:29,522 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 206) no Hoare annotation was computed. [2018-12-08 08:03:29,522 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 185 209) no Hoare annotation was computed. [2018-12-08 08:03:29,522 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))) [2018-12-08 08:03:29,522 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))) [2018-12-08 08:03:29,522 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 185 209) no Hoare annotation was computed. [2018-12-08 08:03:29,522 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))) [2018-12-08 08:03:29,523 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))) [2018-12-08 08:03:29,523 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 125 131) no Hoare annotation was computed. [2018-12-08 08:03:29,523 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 125 131) the Hoare annotation is: true [2018-12-08 08:03:29,523 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 357) no Hoare annotation was computed. [2018-12-08 08:03:29,523 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))) [2018-12-08 08:03:29,523 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 341 404) no Hoare annotation was computed. [2018-12-08 08:03:29,523 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))) [2018-12-08 08:03:29,523 INFO L448 ceAbstractionStarter]: For program point L387(lines 387 391) no Hoare annotation was computed. [2018-12-08 08:03:29,523 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))) [2018-12-08 08:03:29,523 INFO L448 ceAbstractionStarter]: For program point L352(lines 351 396) no Hoare annotation was computed. [2018-12-08 08:03:29,523 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 392) no Hoare annotation was computed. [2018-12-08 08:03:29,523 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))) [2018-12-08 08:03:29,523 INFO L448 ceAbstractionStarter]: For program point L371(lines 371 377) no Hoare annotation was computed. [2018-12-08 08:03:29,523 INFO L448 ceAbstractionStarter]: For program point L371-1(lines 371 377) no Hoare annotation was computed. [2018-12-08 08:03:29,523 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))) [2018-12-08 08:03:29,523 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))) [2018-12-08 08:03:29,523 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 367) no Hoare annotation was computed. [2018-12-08 08:03:29,523 INFO L448 ceAbstractionStarter]: For program point L361-1(lines 361 367) no Hoare annotation was computed. [2018-12-08 08:03:29,524 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 341 404) no Hoare annotation was computed. [2018-12-08 08:03:29,524 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))) [2018-12-08 08:03:29,524 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 210 217) no Hoare annotation was computed. [2018-12-08 08:03:29,524 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 210 217) no Hoare annotation was computed. [2018-12-08 08:03:29,524 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 500 508) no Hoare annotation was computed. [2018-12-08 08:03:29,524 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 500 508) the Hoare annotation is: true [2018-12-08 08:03:29,524 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 500 508) no Hoare annotation was computed. [2018-12-08 08:03:29,524 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 08:03:29,524 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)) [2018-12-08 08:03:29,524 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 08:03:29,524 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 231) no Hoare annotation was computed. [2018-12-08 08:03:29,524 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))) [2018-12-08 08:03:29,524 INFO L448 ceAbstractionStarter]: For program point L223-1(line 223) no Hoare annotation was computed. [2018-12-08 08:03:29,524 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 218 234) no Hoare annotation was computed. [2018-12-08 08:03:29,524 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))) [2018-12-08 08:03:29,524 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))) [2018-12-08 08:03:29,524 INFO L448 ceAbstractionStarter]: For program point L229-1(lines 218 234) no Hoare annotation was computed. [2018-12-08 08:03:29,524 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 477 485) the Hoare annotation is: true [2018-12-08 08:03:29,524 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 477 485) no Hoare annotation was computed. [2018-12-08 08:03:29,524 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 477 485) no Hoare annotation was computed. [2018-12-08 08:03:29,524 INFO L448 ceAbstractionStarter]: For program point L306-1(line 306) no Hoare annotation was computed. [2018-12-08 08:03:29,525 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 299 317) no Hoare annotation was computed. [2018-12-08 08:03:29,525 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 299 317) the Hoare annotation is: true [2018-12-08 08:03:29,525 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 299 317) no Hoare annotation was computed. [2018-12-08 08:03:29,525 INFO L448 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2018-12-08 08:03:29,525 INFO L451 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: true [2018-12-08 08:03:29,525 INFO L448 ceAbstractionStarter]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2018-12-08 08:03:29,525 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))) [2018-12-08 08:03:29,525 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 433 444) no Hoare annotation was computed. [2018-12-08 08:03:29,525 INFO L448 ceAbstractionStarter]: For program point L437-1(lines 433 444) no Hoare annotation was computed. [2018-12-08 08:03:29,525 INFO L451 ceAbstractionStarter]: At program point L928(lines 903 932) the Hoare annotation is: true [2018-12-08 08:03:29,525 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 903 932) no Hoare annotation was computed. [2018-12-08 08:03:29,525 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 903 932) the Hoare annotation is: true [2018-12-08 08:03:29,525 INFO L448 ceAbstractionStarter]: For program point L924(line 924) no Hoare annotation was computed. [2018-12-08 08:03:29,525 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 921) no Hoare annotation was computed. [2018-12-08 08:03:29,525 INFO L451 ceAbstractionStarter]: At program point L917-1(lines 917 921) the Hoare annotation is: true [2018-12-08 08:03:29,525 INFO L448 ceAbstractionStarter]: For program point L914(line 914) no Hoare annotation was computed. [2018-12-08 08:03:29,525 INFO L451 ceAbstractionStarter]: At program point L913-2(lines 913 927) the Hoare annotation is: true [2018-12-08 08:03:29,525 INFO L451 ceAbstractionStarter]: At program point L909(line 909) the Hoare annotation is: true [2018-12-08 08:03:29,525 INFO L448 ceAbstractionStarter]: For program point L909-1(line 909) no Hoare annotation was computed. [2018-12-08 08:03:29,525 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 445 453) the Hoare annotation is: true [2018-12-08 08:03:29,525 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 445 453) no Hoare annotation was computed. [2018-12-08 08:03:29,525 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 445 453) no Hoare annotation was computed. [2018-12-08 08:03:29,526 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))))) [2018-12-08 08:03:29,526 INFO L444 ceAbstractionStarter]: At program point L112(lines 112 118) the Hoare annotation is: (let ((.cse12 (= ~systemActive~0 1))) (let ((.cse10 (= 0 ~pumpRunning~0)) (.cse7 (not .cse12)) (.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< |old(~waterLevel~0)| 1)) (.cse1 (and (<= 2 ~waterLevel~0) .cse8 .cse12)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (or (< |old(~waterLevel~0)| 2) .cse7)) (.cse0 (let ((.cse11 (+ ~waterLevel~0 1))) (and (<= .cse11 |old(~waterLevel~0)|) .cse10 (<= |old(~waterLevel~0)| .cse11))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 (and .cse8 .cse9)) (or .cse5 (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse9) .cse6 .cse7 .cse1 .cse2) (or .cse4 (and .cse10 .cse9) .cse3 .cse0))))) [2018-12-08 08:03:29,526 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)))) [2018-12-08 08:03:29,526 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)))) [2018-12-08 08:03:29,526 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 101 124) no Hoare annotation was computed. [2018-12-08 08:03:29,526 INFO L448 ceAbstractionStarter]: For program point L105(lines 104 123) no Hoare annotation was computed. [2018-12-08 08:03:29,526 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 101 124) no Hoare annotation was computed. [2018-12-08 08:03:29,526 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))) [2018-12-08 08:03:29,526 INFO L448 ceAbstractionStarter]: For program point L413-1(lines 409 420) no Hoare annotation was computed. [2018-12-08 08:03:29,526 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 409 420) no Hoare annotation was computed. [2018-12-08 08:03:29,526 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 957 963) no Hoare annotation was computed. [2018-12-08 08:03:29,527 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 957 963) the Hoare annotation is: true [2018-12-08 08:03:29,527 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 08:03:29,527 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)) [2018-12-08 08:03:29,527 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 08:03:29,527 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 08:03:29,527 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))) [2018-12-08 08:03:29,527 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 133 157) no Hoare annotation was computed. [2018-12-08 08:03:29,527 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))) [2018-12-08 08:03:29,527 INFO L448 ceAbstractionStarter]: For program point L152-1(lines 133 157) no Hoare annotation was computed. [2018-12-08 08:03:29,527 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))) [2018-12-08 08:03:29,528 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))) [2018-12-08 08:03:29,528 INFO L448 ceAbstractionStarter]: For program point L141(lines 141 149) no Hoare annotation was computed. [2018-12-08 08:03:29,528 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))) [2018-12-08 08:03:29,528 INFO L448 ceAbstractionStarter]: For program point L139-1(line 139) no Hoare annotation was computed. [2018-12-08 08:03:29,528 INFO L448 ceAbstractionStarter]: For program point L137(lines 137 154) no Hoare annotation was computed. [2018-12-08 08:03:29,528 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 421 432) no Hoare annotation was computed. [2018-12-08 08:03:29,528 INFO L448 ceAbstractionStarter]: For program point L425-1(lines 421 432) no Hoare annotation was computed. [2018-12-08 08:03:29,528 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)))) [2018-12-08 08:03:29,528 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-08 08:03:29,528 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-08 08:03:29,529 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-08 08:03:29,529 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-08 08:03:29,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 08:03:29 BoogieIcfgContainer [2018-12-08 08:03:29,537 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 08:03:29,537 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 08:03:29,538 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 08:03:29,538 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 08:03:29,538 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:03:19" (3/4) ... [2018-12-08 08:03:29,541 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 08:03:29,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 08:03:29,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 08:03:29,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-12-08 08:03:29,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 08:03:29,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-08 08:03:29,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 08:03:29,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 08:03:29,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 08:03:29,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 08:03:29,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 08:03:29,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 08:03:29,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 08:03:29,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 08:03:29,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 08:03:29,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 08:03:29,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-08 08:03:29,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 08:03:29,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 08:03:29,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 08:03:29,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 08:03:29,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 08:03:29,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 08:03:29,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 08:03:29,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 08:03:29,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 08:03:29,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 08:03:29,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 08:03:29,548 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 08:03:29,548 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 08:03:29,548 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 08:03:29,552 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-08 08:03:29,552 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 08:03:29,553 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 08:03:29,553 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 08:03:29,553 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 08:03:29,554 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 08:03:29,570 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) [2018-12-08 08:03:29,570 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 08:03:29,600 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3c291fbd-fc71-4d8a-b3b6-60023340b382/bin-2019/uautomizer/witness.graphml [2018-12-08 08:03:29,600 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 08:03:29,601 INFO L168 Benchmark]: Toolchain (without parser) took 10762.68 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 527.4 MB). Free memory was 956.0 MB in the beginning and 1.4 GB in the end (delta: -398.3 MB). Peak memory consumption was 129.1 MB. Max. memory is 11.5 GB. [2018-12-08 08:03:29,601 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 08:03:29,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-12-08 08:03:29,601 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.69 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. [2018-12-08 08:03:29,602 INFO L168 Benchmark]: Boogie Preprocessor took 22.05 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-08 08:03:29,602 INFO L168 Benchmark]: RCFGBuilder took 326.87 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: 58.1 MB). Peak memory consumption was 58.1 MB. Max. memory is 11.5 GB. [2018-12-08 08:03:29,602 INFO L168 Benchmark]: TraceAbstraction took 10029.85 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 399.0 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -314.5 MB). Peak memory consumption was 657.9 MB. Max. memory is 11.5 GB. [2018-12-08 08:03:29,602 INFO L168 Benchmark]: Witness Printer took 62.87 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-08 08:03:29,603 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 297.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.69 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. * Boogie Preprocessor took 22.05 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 326.87 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: 58.1 MB). Peak memory consumption was 58.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10029.85 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 399.0 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -314.5 MB). Peak memory consumption was 657.9 MB. Max. memory is 11.5 GB. * Witness Printer took 62.87 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 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, 9.9s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 4.6s AutomataDifference, 0.0s DeadEndRemovalTime, 2.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2604 SDtfs, 2698 SDslu, 9538 SDs, 0 SdLazy, 8227 SolverSat, 1110 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1073 GetRequests, 899 SyntacticMatches, 5 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 520 ImplicationChecksByTransitivity, 1.0s 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: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 299 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 3611 PreInvPairs, 3730 NumberOfFragments, 2267 HoareAnnotationTreeSize, 3611 FomulaSimplifications, 6920 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 69 FomulaSimplificationsInter, 18824 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2498 NumberOfCodeBlocks, 2498 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2480 ConstructedInterpolants, 0 QuantifiedInterpolants, 612111 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4496 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 620/674 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...