./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product31_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_931f701f-8ca5-45ef-aa3f-14f2ddcec620/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_931f701f-8ca5-45ef-aa3f-14f2ddcec620/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_931f701f-8ca5-45ef-aa3f-14f2ddcec620/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_931f701f-8ca5-45ef-aa3f-14f2ddcec620/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_931f701f-8ca5-45ef-aa3f-14f2ddcec620/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_931f701f-8ca5-45ef-aa3f-14f2ddcec620/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 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 12:18:21,397 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:18:21,398 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:18:21,404 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:18:21,404 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:18:21,405 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:18:21,405 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:18:21,406 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:18:21,407 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:18:21,407 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:18:21,408 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:18:21,408 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:18:21,408 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:18:21,409 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:18:21,409 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:18:21,410 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:18:21,410 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:18:21,411 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:18:21,412 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:18:21,412 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:18:21,413 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:18:21,414 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:18:21,415 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:18:21,415 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:18:21,415 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:18:21,415 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:18:21,416 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:18:21,416 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:18:21,417 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:18:21,417 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:18:21,417 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:18:21,418 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:18:21,418 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:18:21,418 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:18:21,418 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:18:21,419 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:18:21,419 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_931f701f-8ca5-45ef-aa3f-14f2ddcec620/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 12:18:21,426 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:18:21,426 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:18:21,426 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 12:18:21,426 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 12:18:21,427 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:18:21,427 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:18:21,427 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 12:18:21,427 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:18:21,427 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:18:21,427 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 12:18:21,427 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:18:21,427 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:18:21,428 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 12:18:21,428 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 12:18:21,428 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 12:18:21,428 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:18:21,428 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 12:18:21,428 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:18:21,428 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 12:18:21,428 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:18:21,428 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 12:18:21,428 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 12:18:21,428 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 12:18:21,429 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 12:18:21,429 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:18:21,429 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 12:18:21,429 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 12:18:21,429 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 12:18:21,429 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 12:18:21,429 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 12:18:21,429 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_931f701f-8ca5-45ef-aa3f-14f2ddcec620/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 -> 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 [2018-12-08 12:18:21,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:18:21,452 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:18:21,454 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:18:21,455 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:18:21,455 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:18:21,455 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_931f701f-8ca5-45ef-aa3f-14f2ddcec620/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c [2018-12-08 12:18:21,489 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_931f701f-8ca5-45ef-aa3f-14f2ddcec620/bin-2019/uautomizer/data/0de180772/a23324b9af1348058d0ce5c8fa490d44/FLAG32a460de9 [2018-12-08 12:18:21,886 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:18:21,887 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_931f701f-8ca5-45ef-aa3f-14f2ddcec620/sv-benchmarks/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c [2018-12-08 12:18:21,892 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_931f701f-8ca5-45ef-aa3f-14f2ddcec620/bin-2019/uautomizer/data/0de180772/a23324b9af1348058d0ce5c8fa490d44/FLAG32a460de9 [2018-12-08 12:18:21,902 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_931f701f-8ca5-45ef-aa3f-14f2ddcec620/bin-2019/uautomizer/data/0de180772/a23324b9af1348058d0ce5c8fa490d44 [2018-12-08 12:18:21,903 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:18:21,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 12:18:21,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:18:21,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:18:21,908 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:18:21,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:18:21" (1/1) ... [2018-12-08 12:18:21,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:18:21, skipping insertion in model container [2018-12-08 12:18:21,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:18:21" (1/1) ... [2018-12-08 12:18:21,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:18:21,941 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:18:22,103 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:18:22,142 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:18:22,191 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:18:22,205 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:18:22,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:18:22 WrapperNode [2018-12-08 12:18:22,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:18:22,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 12:18:22,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 12:18:22,206 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 12:18:22,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:18:22" (1/1) ... [2018-12-08 12:18:22,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:18:22" (1/1) ... [2018-12-08 12:18:22,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 12:18:22,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:18:22,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:18:22,226 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:18:22,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:18:22" (1/1) ... [2018-12-08 12:18:22,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:18:22" (1/1) ... [2018-12-08 12:18:22,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:18:22" (1/1) ... [2018-12-08 12:18:22,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:18:22" (1/1) ... [2018-12-08 12:18:22,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:18:22" (1/1) ... [2018-12-08 12:18:22,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:18:22" (1/1) ... [2018-12-08 12:18:22,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:18:22" (1/1) ... [2018-12-08 12:18:22,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:18:22,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:18:22,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:18:22,248 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:18:22,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:18:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_931f701f-8ca5-45ef-aa3f-14f2ddcec620/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 12:18:22,282 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 12:18:22,282 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 12:18:22,282 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 12:18:22,282 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 12:18:22,282 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-08 12:18:22,282 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-08 12:18:22,283 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 12:18:22,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 12:18:22,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 12:18:22,283 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 12:18:22,283 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 12:18:22,283 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 12:18:22,283 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 12:18:22,283 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 12:18:22,283 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 12:18:22,283 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 12:18:22,283 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 12:18:22,283 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 12:18:22,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 12:18:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 12:18:22,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 12:18:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 12:18:22,284 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 12:18:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 12:18:22,284 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 12:18:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 12:18:22,284 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 12:18:22,285 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 12:18:22,285 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 12:18:22,285 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 12:18:22,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 12:18:22,285 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 12:18:22,285 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 12:18:22,285 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 12:18:22,285 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 12:18:22,285 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 12:18:22,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 12:18:22,286 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 12:18:22,286 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 12:18:22,286 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 12:18:22,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 12:18:22,286 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 12:18:22,286 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 12:18:22,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 12:18:22,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 12:18:22,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 12:18:22,287 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 12:18:22,287 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 12:18:22,287 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 12:18:22,287 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 12:18:22,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:18:22,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:18:22,287 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-08 12:18:22,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-08 12:18:22,558 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:18:22,558 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 12:18:22,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:18:22 BoogieIcfgContainer [2018-12-08 12:18:22,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:18:22,559 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 12:18:22,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 12:18:22,561 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 12:18:22,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 12:18:21" (1/3) ... [2018-12-08 12:18:22,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cebcd69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 12:18:22, skipping insertion in model container [2018-12-08 12:18:22,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:18:22" (2/3) ... [2018-12-08 12:18:22,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cebcd69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 12:18:22, skipping insertion in model container [2018-12-08 12:18:22,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:18:22" (3/3) ... [2018-12-08 12:18:22,564 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product31_true-unreach-call_false-termination.cil.c [2018-12-08 12:18:22,570 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 12:18:22,575 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 12:18:22,585 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 12:18:22,603 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 12:18:22,604 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 12:18:22,604 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 12:18:22,604 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 12:18:22,604 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 12:18:22,604 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 12:18:22,604 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 12:18:22,604 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 12:18:22,604 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 12:18:22,617 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-12-08 12:18:22,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 12:18:22,622 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:18:22,622 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 12:18:22,624 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:18:22,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:18:22,627 INFO L82 PathProgramCache]: Analyzing trace with hash -536780395, now seen corresponding path program 1 times [2018-12-08 12:18:22,628 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:18:22,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:18:22,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:18:22,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:18:22,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:18:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:22,764 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 12:18:22,765 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:18:22,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 12:18:22,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 12:18:22,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 12:18:22,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 12:18:22,777 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2018-12-08 12:18:22,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:18:22,798 INFO L93 Difference]: Finished difference Result 250 states and 315 transitions. [2018-12-08 12:18:22,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 12:18:22,799 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-08 12:18:22,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:18:22,806 INFO L225 Difference]: With dead ends: 250 [2018-12-08 12:18:22,806 INFO L226 Difference]: Without dead ends: 125 [2018-12-08 12:18:22,808 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 12:18:22,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-12-08 12:18:22,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-12-08 12:18:22,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-12-08 12:18:22,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 149 transitions. [2018-12-08 12:18:22,839 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 149 transitions. Word has length 46 [2018-12-08 12:18:22,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:18:22,840 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 149 transitions. [2018-12-08 12:18:22,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 12:18:22,840 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 149 transitions. [2018-12-08 12:18:22,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 12:18:22,842 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:18:22,842 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 12:18:22,842 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:18:22,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:18:22,842 INFO L82 PathProgramCache]: Analyzing trace with hash -70717061, now seen corresponding path program 1 times [2018-12-08 12:18:22,843 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:18:22,843 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:18:22,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:18:22,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:18:22,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:18:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:22,899 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 12:18:22,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:18:22,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 12:18:22,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 12:18:22,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 12:18:22,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 12:18:22,901 INFO L87 Difference]: Start difference. First operand 125 states and 149 transitions. Second operand 3 states. [2018-12-08 12:18:22,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:18:22,915 INFO L93 Difference]: Finished difference Result 193 states and 229 transitions. [2018-12-08 12:18:22,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 12:18:22,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-08 12:18:22,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:18:22,917 INFO L225 Difference]: With dead ends: 193 [2018-12-08 12:18:22,917 INFO L226 Difference]: Without dead ends: 116 [2018-12-08 12:18:22,918 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 12:18:22,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-12-08 12:18:22,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-12-08 12:18:22,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-12-08 12:18:22,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 137 transitions. [2018-12-08 12:18:22,926 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 137 transitions. Word has length 47 [2018-12-08 12:18:22,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:18:22,926 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 137 transitions. [2018-12-08 12:18:22,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 12:18:22,926 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 137 transitions. [2018-12-08 12:18:22,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 12:18:22,927 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:18:22,927 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 12:18:22,927 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:18:22,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:18:22,928 INFO L82 PathProgramCache]: Analyzing trace with hash 207802392, now seen corresponding path program 1 times [2018-12-08 12:18:22,928 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:18:22,928 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:18:22,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:18:22,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:18:22,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:18:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:22,989 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 12:18:22,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:18:22,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 12:18:22,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 12:18:22,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 12:18:22,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 12:18:22,990 INFO L87 Difference]: Start difference. First operand 116 states and 137 transitions. Second operand 7 states. [2018-12-08 12:18:23,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:18:23,239 INFO L93 Difference]: Finished difference Result 350 states and 429 transitions. [2018-12-08 12:18:23,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 12:18:23,240 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-08 12:18:23,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:18:23,243 INFO L225 Difference]: With dead ends: 350 [2018-12-08 12:18:23,243 INFO L226 Difference]: Without dead ends: 258 [2018-12-08 12:18:23,244 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 12:18:23,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-12-08 12:18:23,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 250. [2018-12-08 12:18:23,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-12-08 12:18:23,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 306 transitions. [2018-12-08 12:18:23,270 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 306 transitions. Word has length 51 [2018-12-08 12:18:23,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:18:23,270 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 306 transitions. [2018-12-08 12:18:23,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 12:18:23,271 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 306 transitions. [2018-12-08 12:18:23,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 12:18:23,273 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:18:23,273 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:18:23,273 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:18:23,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:18:23,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1224243647, now seen corresponding path program 1 times [2018-12-08 12:18:23,274 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:18:23,274 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:18:23,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:18:23,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:18:23,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:18:23,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:23,354 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 12:18:23,354 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:18:23,354 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 12:18:23,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 12:18:23,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 12:18:23,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 12:18:23,355 INFO L87 Difference]: Start difference. First operand 250 states and 306 transitions. Second operand 6 states. [2018-12-08 12:18:23,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:18:23,486 INFO L93 Difference]: Finished difference Result 687 states and 866 transitions. [2018-12-08 12:18:23,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 12:18:23,487 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-08 12:18:23,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:18:23,490 INFO L225 Difference]: With dead ends: 687 [2018-12-08 12:18:23,490 INFO L226 Difference]: Without dead ends: 461 [2018-12-08 12:18:23,492 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 12:18:23,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2018-12-08 12:18:23,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 455. [2018-12-08 12:18:23,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2018-12-08 12:18:23,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 562 transitions. [2018-12-08 12:18:23,527 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 562 transitions. Word has length 57 [2018-12-08 12:18:23,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:18:23,527 INFO L480 AbstractCegarLoop]: Abstraction has 455 states and 562 transitions. [2018-12-08 12:18:23,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 12:18:23,528 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 562 transitions. [2018-12-08 12:18:23,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-08 12:18:23,530 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:18:23,530 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:18:23,530 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:18:23,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:18:23,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1343843939, now seen corresponding path program 1 times [2018-12-08 12:18:23,531 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:18:23,531 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:18:23,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:18:23,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:18:23,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:18:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:23,614 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 12:18:23,614 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:18:23,614 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 12:18:23,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 12:18:23,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 12:18:23,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 12:18:23,615 INFO L87 Difference]: Start difference. First operand 455 states and 562 transitions. Second operand 7 states. [2018-12-08 12:18:23,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:18:23,770 INFO L93 Difference]: Finished difference Result 741 states and 940 transitions. [2018-12-08 12:18:23,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 12:18:23,771 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-08 12:18:23,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:18:23,771 INFO L225 Difference]: With dead ends: 741 [2018-12-08 12:18:23,771 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 12:18:23,773 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-08 12:18:23,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 12:18:23,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 12:18:23,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 12:18:23,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 12:18:23,773 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2018-12-08 12:18:23,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:18:23,773 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 12:18:23,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 12:18:23,774 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 12:18:23,774 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 12:18:23,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 12:18:24,276 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 256 262) the Hoare annotation is: true [2018-12-08 12:18:24,276 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 256 262) no Hoare annotation was computed. [2018-12-08 12:18:24,276 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 263 271) no Hoare annotation was computed. [2018-12-08 12:18:24,276 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 263 271) the Hoare annotation is: true [2018-12-08 12:18:24,276 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 263 271) no Hoare annotation was computed. [2018-12-08 12:18:24,276 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-12-08 12:18:24,277 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-12-08 12:18:24,277 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:18:24,277 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:18:24,277 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:18:24,277 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:18:24,277 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-12-08 12:18:24,277 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-12-08 12:18:24,278 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:18:24,278 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:18:24,278 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-12-08 12:18:24,278 INFO L444 ceAbstractionStarter]: At program point L353(line 353) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 12:18:24,278 INFO L444 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 12:18:24,278 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 355) no Hoare annotation was computed. [2018-12-08 12:18:24,278 INFO L444 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 12:18:24,278 INFO L448 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2018-12-08 12:18:24,279 INFO L448 ceAbstractionStarter]: For program point L343(lines 343 360) no Hoare annotation was computed. [2018-12-08 12:18:24,279 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 339 363) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 12:18:24,279 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 339 363) no Hoare annotation was computed. [2018-12-08 12:18:24,279 INFO L444 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 12:18:24,279 INFO L448 ceAbstractionStarter]: For program point L358-1(lines 339 363) no Hoare annotation was computed. [2018-12-08 12:18:24,279 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 498 512) no Hoare annotation was computed. [2018-12-08 12:18:24,279 INFO L444 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-08 12:18:24,279 INFO L448 ceAbstractionStarter]: For program point L502(lines 502 508) no Hoare annotation was computed. [2018-12-08 12:18:24,279 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 498 512) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-12-08 12:18:24,280 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 498 512) no Hoare annotation was computed. [2018-12-08 12:18:24,280 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 434 442) no Hoare annotation was computed. [2018-12-08 12:18:24,280 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 434 442) the Hoare annotation is: true [2018-12-08 12:18:24,280 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 434 442) no Hoare annotation was computed. [2018-12-08 12:18:24,280 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 479 497) the Hoare annotation is: true [2018-12-08 12:18:24,280 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 492) no Hoare annotation was computed. [2018-12-08 12:18:24,280 INFO L451 ceAbstractionStarter]: At program point L486(line 486) the Hoare annotation is: true [2018-12-08 12:18:24,280 INFO L448 ceAbstractionStarter]: For program point L488-2(lines 488 492) no Hoare annotation was computed. [2018-12-08 12:18:24,280 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 479 497) no Hoare annotation was computed. [2018-12-08 12:18:24,280 INFO L448 ceAbstractionStarter]: For program point L486-1(line 486) no Hoare annotation was computed. [2018-12-08 12:18:24,281 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 479 497) no Hoare annotation was computed. [2018-12-08 12:18:24,281 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 249 255) no Hoare annotation was computed. [2018-12-08 12:18:24,281 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 249 255) the Hoare annotation is: true [2018-12-08 12:18:24,281 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:18:24,281 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-12-08 12:18:24,281 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-12-08 12:18:24,281 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 423 433) the Hoare annotation is: true [2018-12-08 12:18:24,281 INFO L451 ceAbstractionStarter]: At program point L428(line 428) the Hoare annotation is: true [2018-12-08 12:18:24,281 INFO L448 ceAbstractionStarter]: For program point L428-1(line 428) no Hoare annotation was computed. [2018-12-08 12:18:24,281 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 423 433) no Hoare annotation was computed. [2018-12-08 12:18:24,282 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 423 433) no Hoare annotation was computed. [2018-12-08 12:18:24,282 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 415 422) the Hoare annotation is: true [2018-12-08 12:18:24,282 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 415 422) no Hoare annotation was computed. [2018-12-08 12:18:24,282 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 415 422) no Hoare annotation was computed. [2018-12-08 12:18:24,282 INFO L444 ceAbstractionStarter]: At program point L384(line 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 12:18:24,282 INFO L448 ceAbstractionStarter]: For program point L384-1(lines 365 389) no Hoare annotation was computed. [2018-12-08 12:18:24,282 INFO L444 ceAbstractionStarter]: At program point L379(line 379) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 12:18:24,282 INFO L444 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 12:18:24,282 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 365 389) no Hoare annotation was computed. [2018-12-08 12:18:24,282 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 381) no Hoare annotation was computed. [2018-12-08 12:18:24,282 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 365 389) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 12:18:24,283 INFO L444 ceAbstractionStarter]: At program point L371(line 371) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-08 12:18:24,283 INFO L448 ceAbstractionStarter]: For program point L371-1(line 371) no Hoare annotation was computed. [2018-12-08 12:18:24,283 INFO L448 ceAbstractionStarter]: For program point L369(lines 369 386) no Hoare annotation was computed. [2018-12-08 12:18:24,283 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 331 337) no Hoare annotation was computed. [2018-12-08 12:18:24,283 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 331 337) the Hoare annotation is: true [2018-12-08 12:18:24,283 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 514 579) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:18:24,283 INFO L444 ceAbstractionStarter]: At program point L572(lines 523 573) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:18:24,283 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 514 579) no Hoare annotation was computed. [2018-12-08 12:18:24,283 INFO L444 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:18:24,283 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2018-12-08 12:18:24,283 INFO L444 ceAbstractionStarter]: At program point L560-1(lines 554 567) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:18:24,283 INFO L448 ceAbstractionStarter]: For program point L525(lines 524 571) no Hoare annotation was computed. [2018-12-08 12:18:24,284 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 567) no Hoare annotation was computed. [2018-12-08 12:18:24,284 INFO L444 ceAbstractionStarter]: At program point L546(line 546) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:18:24,284 INFO L448 ceAbstractionStarter]: For program point L544(lines 544 550) no Hoare annotation was computed. [2018-12-08 12:18:24,284 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 544 550) no Hoare annotation was computed. [2018-12-08 12:18:24,284 INFO L444 ceAbstractionStarter]: At program point L569(lines 524 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:18:24,284 INFO L444 ceAbstractionStarter]: At program point L536(line 536) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:18:24,284 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2018-12-08 12:18:24,284 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 534 540) no Hoare annotation was computed. [2018-12-08 12:18:24,284 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 530) no Hoare annotation was computed. [2018-12-08 12:18:24,284 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 514 579) no Hoare annotation was computed. [2018-12-08 12:18:24,284 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 228 236) no Hoare annotation was computed. [2018-12-08 12:18:24,284 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 228 236) the Hoare annotation is: true [2018-12-08 12:18:24,285 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 228 236) no Hoare annotation was computed. [2018-12-08 12:18:24,285 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 12:18:24,285 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-08 12:18:24,285 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 12:18:24,285 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 175 186) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-12-08 12:18:24,285 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 175 186) no Hoare annotation was computed. [2018-12-08 12:18:24,285 INFO L448 ceAbstractionStarter]: For program point L179-1(lines 175 186) no Hoare annotation was computed. [2018-12-08 12:18:24,285 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 187 195) the Hoare annotation is: true [2018-12-08 12:18:24,285 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 187 195) no Hoare annotation was computed. [2018-12-08 12:18:24,285 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 187 195) no Hoare annotation was computed. [2018-12-08 12:18:24,285 INFO L444 ceAbstractionStarter]: At program point L320(line 320) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-08 12:18:24,285 INFO L444 ceAbstractionStarter]: At program point L318(lines 318 324) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 12:18:24,285 INFO L444 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-08 12:18:24,286 INFO L448 ceAbstractionStarter]: For program point L311(lines 310 329) no Hoare annotation was computed. [2018-12-08 12:18:24,286 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 307 330) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 12:18:24,286 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 307 330) no Hoare annotation was computed. [2018-12-08 12:18:24,286 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 307 330) no Hoare annotation was computed. [2018-12-08 12:18:24,286 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-08 12:18:24,286 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-08 12:18:24,286 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-08 12:18:24,286 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-08 12:18:24,286 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-08 12:18:24,286 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-08 12:18:24,286 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-08 12:18:24,286 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-08 12:18:24,286 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-08 12:18:24,286 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-08 12:18:24,287 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 151 162) the Hoare annotation is: true [2018-12-08 12:18:24,287 INFO L448 ceAbstractionStarter]: For program point L155-1(lines 151 162) no Hoare annotation was computed. [2018-12-08 12:18:24,287 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 151 162) no Hoare annotation was computed. [2018-12-08 12:18:24,287 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-08 12:18:24,287 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-08 12:18:24,287 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 12:18:24,287 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-08 12:18:24,287 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 12:18:24,287 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 12:18:24,287 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 163 174) no Hoare annotation was computed. [2018-12-08 12:18:24,287 INFO L448 ceAbstractionStarter]: For program point L167-1(lines 163 174) no Hoare annotation was computed. [2018-12-08 12:18:24,287 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 163 174) the Hoare annotation is: true [2018-12-08 12:18:24,287 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 581 588) no Hoare annotation was computed. [2018-12-08 12:18:24,288 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 581 588) the Hoare annotation is: true [2018-12-08 12:18:24,288 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 585) no Hoare annotation was computed. [2018-12-08 12:18:24,288 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 581 588) no Hoare annotation was computed. [2018-12-08 12:18:24,288 INFO L444 ceAbstractionStarter]: At program point L289(line 289) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-08 12:18:24,288 INFO L448 ceAbstractionStarter]: For program point L287(lines 287 293) no Hoare annotation was computed. [2018-12-08 12:18:24,288 INFO L444 ceAbstractionStarter]: At program point L285(line 285) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 12:18:24,288 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 275 299) the Hoare annotation is: true [2018-12-08 12:18:24,288 INFO L448 ceAbstractionStarter]: For program point L285-1(line 285) no Hoare annotation was computed. [2018-12-08 12:18:24,288 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 296) no Hoare annotation was computed. [2018-12-08 12:18:24,288 INFO L448 ceAbstractionStarter]: For program point L283-1(lines 275 299) no Hoare annotation was computed. [2018-12-08 12:18:24,288 INFO L451 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: true [2018-12-08 12:18:24,288 INFO L448 ceAbstractionStarter]: For program point L281-1(line 281) no Hoare annotation was computed. [2018-12-08 12:18:24,289 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 275 299) no Hoare annotation was computed. [2018-12-08 12:18:24,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 12:18:24 BoogieIcfgContainer [2018-12-08 12:18:24,299 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 12:18:24,299 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:18:24,299 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:18:24,299 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:18:24,300 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:18:22" (3/4) ... [2018-12-08 12:18:24,303 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 12:18:24,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 12:18:24,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 12:18:24,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 12:18:24,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-08 12:18:24,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-08 12:18:24,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 12:18:24,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 12:18:24,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 12:18:24,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 12:18:24,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 12:18:24,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 12:18:24,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 12:18:24,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 12:18:24,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 12:18:24,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 12:18:24,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 12:18:24,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 12:18:24,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 12:18:24,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 12:18:24,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 12:18:24,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 12:18:24,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 12:18:24,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 12:18:24,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 12:18:24,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-08 12:18:24,314 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-08 12:18:24,315 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 12:18:24,315 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 12:18:24,315 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 12:18:24,315 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 12:18:24,316 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 12:18:24,334 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 12:18:24,334 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 12:18:24,358 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_931f701f-8ca5-45ef-aa3f-14f2ddcec620/bin-2019/uautomizer/witness.graphml [2018-12-08 12:18:24,358 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:18:24,359 INFO L168 Benchmark]: Toolchain (without parser) took 2455.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 951.7 MB in the beginning and 867.4 MB in the end (delta: 84.3 MB). Peak memory consumption was 178.1 MB. Max. memory is 11.5 GB. [2018-12-08 12:18:24,360 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:18:24,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -134.2 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-12-08 12:18:24,361 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 12:18:24,361 INFO L168 Benchmark]: Boogie Preprocessor took 21.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 12:18:24,361 INFO L168 Benchmark]: RCFGBuilder took 310.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-12-08 12:18:24,361 INFO L168 Benchmark]: TraceAbstraction took 1739.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 874.3 MB in the end (delta: 159.6 MB). Peak memory consumption was 159.6 MB. Max. memory is 11.5 GB. [2018-12-08 12:18:24,362 INFO L168 Benchmark]: Witness Printer took 59.61 ms. Allocated memory is still 1.1 GB. Free memory was 874.3 MB in the beginning and 867.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-08 12:18:24,363 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 300.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -134.2 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 310.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1739.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 874.3 MB in the end (delta: 159.6 MB). Peak memory consumption was 159.6 MB. Max. memory is 11.5 GB. * Witness Printer took 59.61 ms. Allocated memory is still 1.1 GB. Free memory was 874.3 MB in the beginning and 867.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 585]: 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: 524]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 138 locations, 1 error locations. SAFE Result, 1.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 697 SDtfs, 479 SDslu, 1272 SDs, 0 SdLazy, 448 SolverSat, 115 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=455occurred in iteration=4, 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 582 PreInvPairs, 627 NumberOfFragments, 527 HoareAnnotationTreeSize, 582 FomulaSimplifications, 397 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 59 FomulaSimplificationsInter, 2069 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 25527 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...