./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec5_product30_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec5_product30_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 5f95caf83b1aeb224c615c1dcd2faa7bff4a2a72 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:47:57,299 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:47:57,301 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:47:57,314 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:47:57,314 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:47:57,315 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:47:57,317 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:47:57,320 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:47:57,324 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:47:57,328 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:47:57,331 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:47:57,331 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:47:57,332 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:47:57,339 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:47:57,340 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:47:57,341 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:47:57,344 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:47:57,347 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:47:57,349 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:47:57,350 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:47:57,351 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:47:57,353 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:47:57,355 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:47:57,356 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:47:57,356 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:47:57,357 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:47:57,358 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:47:57,359 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:47:57,360 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:47:57,361 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:47:57,361 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:47:57,362 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:47:57,362 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:47:57,362 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:47:57,364 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:47:57,365 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:47:57,365 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:47:57,381 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:47:57,381 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:47:57,382 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:47:57,382 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:47:57,383 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:47:57,383 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:47:57,383 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:47:57,383 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:47:57,383 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:47:57,383 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:47:57,385 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:47:57,385 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:47:57,385 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:47:57,385 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:47:57,385 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:47:57,386 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:47:57,386 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:47:57,387 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:47:57,387 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:47:57,387 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:47:57,387 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:47:57,387 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:47:57,387 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:47:57,388 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:47:57,388 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:47:57,388 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:47:57,388 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:47:57,388 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:47:57,390 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:47:57,390 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:47:57,390 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 5f95caf83b1aeb224c615c1dcd2faa7bff4a2a72 [2018-11-28 18:47:57,451 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:47:57,470 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:47:57,475 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:47:57,477 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:47:57,477 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:47:57,478 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec5_product30_true-unreach-call_false-termination.cil.c [2018-11-28 18:47:57,543 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/454a14c72/0b6c48c65bcc4d1bbd7cfd3abff6e090/FLAG73520455a [2018-11-28 18:47:58,070 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:47:58,077 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec5_product30_true-unreach-call_false-termination.cil.c [2018-11-28 18:47:58,093 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/454a14c72/0b6c48c65bcc4d1bbd7cfd3abff6e090/FLAG73520455a [2018-11-28 18:47:58,340 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/454a14c72/0b6c48c65bcc4d1bbd7cfd3abff6e090 [2018-11-28 18:47:58,344 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:47:58,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:47:58,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:47:58,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:47:58,350 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:47:58,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:47:58" (1/1) ... [2018-11-28 18:47:58,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@715e1542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:58, skipping insertion in model container [2018-11-28 18:47:58,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:47:58" (1/1) ... [2018-11-28 18:47:58,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:47:58,432 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:47:58,856 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:47:58,876 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:47:58,992 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:47:59,113 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:47:59,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:59 WrapperNode [2018-11-28 18:47:59,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:47:59,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:47:59,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:47:59,115 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:47:59,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:59" (1/1) ... [2018-11-28 18:47:59,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:59" (1/1) ... [2018-11-28 18:47:59,157 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:47:59,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:47:59,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:47:59,158 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:47:59,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:59" (1/1) ... [2018-11-28 18:47:59,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:59" (1/1) ... [2018-11-28 18:47:59,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:59" (1/1) ... [2018-11-28 18:47:59,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:59" (1/1) ... [2018-11-28 18:47:59,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:59" (1/1) ... [2018-11-28 18:47:59,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:59" (1/1) ... [2018-11-28 18:47:59,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:59" (1/1) ... [2018-11-28 18:47:59,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:47:59,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:47:59,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:47:59,237 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:47:59,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:47:59,315 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:47:59,317 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:47:59,318 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:47:59,318 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:47:59,318 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:47:59,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:47:59,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:47:59,319 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:47:59,319 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:47:59,319 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:47:59,321 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:47:59,321 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:47:59,321 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:47:59,322 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:47:59,322 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:47:59,322 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:47:59,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:47:59,322 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:47:59,322 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:47:59,322 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:47:59,323 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:47:59,325 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:47:59,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:47:59,326 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:47:59,326 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:47:59,326 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:47:59,327 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:47:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:47:59,328 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:47:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:47:59,328 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:47:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:47:59,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:47:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:47:59,328 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:47:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-28 18:47:59,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-28 18:47:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-28 18:47:59,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-28 18:47:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-28 18:47:59,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-28 18:47:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:47:59,329 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:47:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:47:59,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:47:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:47:59,332 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:47:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:47:59,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:47:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:47:59,332 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:47:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:47:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:47:59,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:47:59,334 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:47:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:47:59,334 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:47:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:47:59,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:47:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:48:00,567 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:48:00,567 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:48:00,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:48:00 BoogieIcfgContainer [2018-11-28 18:48:00,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:48:00,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:48:00,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:48:00,572 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:48:00,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:47:58" (1/3) ... [2018-11-28 18:48:00,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71dc801d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:48:00, skipping insertion in model container [2018-11-28 18:48:00,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:59" (2/3) ... [2018-11-28 18:48:00,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71dc801d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:48:00, skipping insertion in model container [2018-11-28 18:48:00,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:48:00" (3/3) ... [2018-11-28 18:48:00,576 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product30_true-unreach-call_false-termination.cil.c [2018-11-28 18:48:00,586 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:48:00,595 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:48:00,614 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:48:00,647 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:48:00,648 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:48:00,648 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:48:00,648 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:48:00,651 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:48:00,651 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:48:00,651 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:48:00,651 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:48:00,651 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:48:00,676 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-11-28 18:48:00,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-28 18:48:00,687 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:48:00,688 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:48:00,691 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:48:00,697 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:48:00,697 INFO L82 PathProgramCache]: Analyzing trace with hash -801139012, now seen corresponding path program 1 times [2018-11-28 18:48:00,700 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:48:00,700 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:48:00,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:00,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:00,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:01,074 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:48:01,077 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:48:01,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:48:01,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:48:01,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:48:01,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:48:01,103 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 2 states. [2018-11-28 18:48:01,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:48:01,155 INFO L93 Difference]: Finished difference Result 268 states and 331 transitions. [2018-11-28 18:48:01,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:48:01,157 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-28 18:48:01,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:48:01,172 INFO L225 Difference]: With dead ends: 268 [2018-11-28 18:48:01,172 INFO L226 Difference]: Without dead ends: 136 [2018-11-28 18:48:01,179 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:48:01,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-11-28 18:48:01,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-11-28 18:48:01,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-11-28 18:48:01,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 159 transitions. [2018-11-28 18:48:01,258 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 159 transitions. Word has length 59 [2018-11-28 18:48:01,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:48:01,259 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 159 transitions. [2018-11-28 18:48:01,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:48:01,260 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2018-11-28 18:48:01,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-28 18:48:01,264 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:48:01,265 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:48:01,265 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:48:01,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:48:01,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1911205621, now seen corresponding path program 1 times [2018-11-28 18:48:01,266 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:48:01,266 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:48:01,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:01,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:01,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:01,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:48:01,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:48:01,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:48:01,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:48:01,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:48:01,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:48:01,439 INFO L87 Difference]: Start difference. First operand 136 states and 159 transitions. Second operand 3 states. [2018-11-28 18:48:01,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:48:01,478 INFO L93 Difference]: Finished difference Result 213 states and 249 transitions. [2018-11-28 18:48:01,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:48:01,478 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-28 18:48:01,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:48:01,481 INFO L225 Difference]: With dead ends: 213 [2018-11-28 18:48:01,482 INFO L226 Difference]: Without dead ends: 127 [2018-11-28 18:48:01,483 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:48:01,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-11-28 18:48:01,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-11-28 18:48:01,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-11-28 18:48:01,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 147 transitions. [2018-11-28 18:48:01,502 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 147 transitions. Word has length 60 [2018-11-28 18:48:01,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:48:01,502 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 147 transitions. [2018-11-28 18:48:01,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:48:01,503 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2018-11-28 18:48:01,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-28 18:48:01,505 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:48:01,506 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:48:01,506 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:48:01,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:48:01,506 INFO L82 PathProgramCache]: Analyzing trace with hash 999935907, now seen corresponding path program 1 times [2018-11-28 18:48:01,506 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:48:01,507 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:48:01,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:01,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:01,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:01,907 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:48:01,908 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:48:01,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:48:01,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:48:01,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:48:01,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:48:01,909 INFO L87 Difference]: Start difference. First operand 127 states and 147 transitions. Second operand 7 states. [2018-11-28 18:48:02,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:48:02,681 INFO L93 Difference]: Finished difference Result 226 states and 267 transitions. [2018-11-28 18:48:02,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:48:02,681 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-28 18:48:02,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:48:02,684 INFO L225 Difference]: With dead ends: 226 [2018-11-28 18:48:02,688 INFO L226 Difference]: Without dead ends: 127 [2018-11-28 18:48:02,689 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:48:02,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-11-28 18:48:02,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-11-28 18:48:02,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-11-28 18:48:02,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 146 transitions. [2018-11-28 18:48:02,730 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 146 transitions. Word has length 65 [2018-11-28 18:48:02,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:48:02,732 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 146 transitions. [2018-11-28 18:48:02,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:48:02,733 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 146 transitions. [2018-11-28 18:48:02,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-28 18:48:02,745 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:48:02,745 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:48:02,745 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:48:02,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:48:02,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1995223236, now seen corresponding path program 1 times [2018-11-28 18:48:02,746 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:48:02,746 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:48:02,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:02,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:48:02,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:48:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:48:02,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 18:48:02,960 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:48:02,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:48:02,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:48:02,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:48:02,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:48:02,962 INFO L87 Difference]: Start difference. First operand 127 states and 146 transitions. Second operand 7 states. [2018-11-28 18:48:03,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:48:03,903 INFO L93 Difference]: Finished difference Result 189 states and 224 transitions. [2018-11-28 18:48:03,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:48:03,908 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2018-11-28 18:48:03,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:48:03,909 INFO L225 Difference]: With dead ends: 189 [2018-11-28 18:48:03,909 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:48:03,910 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:48:03,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:48:03,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:48:03,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:48:03,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:48:03,911 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2018-11-28 18:48:03,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:48:03,912 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:48:03,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:48:03,912 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:48:03,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:48:03,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:48:04,302 WARN L180 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2018-11-28 18:48:04,664 WARN L180 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2018-11-28 18:48:04,986 WARN L180 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-11-28 18:48:06,202 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 400 406) the Hoare annotation is: true [2018-11-28 18:48:06,202 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 400 406) no Hoare annotation was computed. [2018-11-28 18:48:06,203 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 407 415) no Hoare annotation was computed. [2018-11-28 18:48:06,203 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 407 415) the Hoare annotation is: true [2018-11-28 18:48:06,203 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 407 415) no Hoare annotation was computed. [2018-11-28 18:48:06,203 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 331 338) the Hoare annotation is: true [2018-11-28 18:48:06,203 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 331 338) no Hoare annotation was computed. [2018-11-28 18:48:06,203 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 331 338) no Hoare annotation was computed. [2018-11-28 18:48:06,203 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 339 348) the Hoare annotation is: true [2018-11-28 18:48:06,204 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 339 348) no Hoare annotation was computed. [2018-11-28 18:48:06,204 INFO L448 ceAbstractionStarter]: For program point L344(line 344) no Hoare annotation was computed. [2018-11-28 18:48:06,204 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 339 348) no Hoare annotation was computed. [2018-11-28 18:48:06,204 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 349 377) the Hoare annotation is: true [2018-11-28 18:48:06,204 INFO L444 ceAbstractionStarter]: At program point L364(line 364) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-28 18:48:06,204 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 349 377) no Hoare annotation was computed. [2018-11-28 18:48:06,205 INFO L448 ceAbstractionStarter]: For program point L362(lines 362 368) no Hoare annotation was computed. [2018-11-28 18:48:06,205 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 371) no Hoare annotation was computed. [2018-11-28 18:48:06,205 INFO L451 ceAbstractionStarter]: At program point L359(line 359) the Hoare annotation is: true [2018-11-28 18:48:06,205 INFO L448 ceAbstractionStarter]: For program point L359-1(line 359) no Hoare annotation was computed. [2018-11-28 18:48:06,205 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 374) no Hoare annotation was computed. [2018-11-28 18:48:06,205 INFO L448 ceAbstractionStarter]: For program point L357-1(lines 349 377) no Hoare annotation was computed. [2018-11-28 18:48:06,205 INFO L451 ceAbstractionStarter]: At program point L355(line 355) the Hoare annotation is: true [2018-11-28 18:48:06,206 INFO L448 ceAbstractionStarter]: For program point L355-1(line 355) no Hoare annotation was computed. [2018-11-28 18:48:06,206 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 865 887) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-28 18:48:06,206 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 865 887) no Hoare annotation was computed. [2018-11-28 18:48:06,206 INFO L444 ceAbstractionStarter]: At program point L877(line 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1))) [2018-11-28 18:48:06,206 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 865 887) no Hoare annotation was computed. [2018-11-28 18:48:06,206 INFO L444 ceAbstractionStarter]: At program point L877-1(line 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1))) [2018-11-28 18:48:06,207 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 882) no Hoare annotation was computed. [2018-11-28 18:48:06,207 INFO L448 ceAbstractionStarter]: For program point L875-1(lines 875 882) no Hoare annotation was computed. [2018-11-28 18:48:06,207 INFO L448 ceAbstractionStarter]: For program point L873(line 873) no Hoare annotation was computed. [2018-11-28 18:48:06,207 INFO L444 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-28 18:48:06,207 INFO L444 ceAbstractionStarter]: At program point L871(line 871) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-28 18:48:06,207 INFO L444 ceAbstractionStarter]: At program point L871-1(line 871) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-28 18:48:06,208 INFO L444 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-28 18:48:06,208 INFO L448 ceAbstractionStarter]: For program point L96-1(line 96) no Hoare annotation was computed. [2018-11-28 18:48:06,208 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 111) no Hoare annotation was computed. [2018-11-28 18:48:06,208 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 90 114) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-28 18:48:06,208 INFO L444 ceAbstractionStarter]: At program point L109(line 109) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-28 18:48:06,208 INFO L448 ceAbstractionStarter]: For program point L109-1(lines 90 114) no Hoare annotation was computed. [2018-11-28 18:48:06,208 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 90 114) no Hoare annotation was computed. [2018-11-28 18:48:06,209 INFO L444 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-28 18:48:06,209 INFO L444 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-28 18:48:06,209 INFO L448 ceAbstractionStarter]: For program point L98(lines 98 106) no Hoare annotation was computed. [2018-11-28 18:48:06,209 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 185 193) no Hoare annotation was computed. [2018-11-28 18:48:06,209 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 185 193) the Hoare annotation is: true [2018-11-28 18:48:06,209 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 185 193) no Hoare annotation was computed. [2018-11-28 18:48:06,209 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 243) no Hoare annotation was computed. [2018-11-28 18:48:06,210 INFO L451 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: true [2018-11-28 18:48:06,210 INFO L448 ceAbstractionStarter]: For program point L239-2(lines 239 243) no Hoare annotation was computed. [2018-11-28 18:48:06,210 INFO L448 ceAbstractionStarter]: For program point L237-1(line 237) no Hoare annotation was computed. [2018-11-28 18:48:06,210 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 230 248) the Hoare annotation is: true [2018-11-28 18:48:06,210 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 230 248) no Hoare annotation was computed. [2018-11-28 18:48:06,210 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 230 248) no Hoare annotation was computed. [2018-11-28 18:48:06,210 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 393 399) no Hoare annotation was computed. [2018-11-28 18:48:06,211 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 393 399) the Hoare annotation is: true [2018-11-28 18:48:06,211 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 854 864) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-28 18:48:06,211 INFO L444 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-28 18:48:06,211 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 854 864) no Hoare annotation was computed. [2018-11-28 18:48:06,211 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 854 864) no Hoare annotation was computed. [2018-11-28 18:48:06,211 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 174 184) the Hoare annotation is: true [2018-11-28 18:48:06,212 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 174 184) no Hoare annotation was computed. [2018-11-28 18:48:06,212 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 174 184) no Hoare annotation was computed. [2018-11-28 18:48:06,212 INFO L451 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: true [2018-11-28 18:48:06,212 INFO L448 ceAbstractionStarter]: For program point L179-1(line 179) no Hoare annotation was computed. [2018-11-28 18:48:06,212 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 166 173) the Hoare annotation is: true [2018-11-28 18:48:06,212 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 166 173) no Hoare annotation was computed. [2018-11-28 18:48:06,212 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 166 173) no Hoare annotation was computed. [2018-11-28 18:48:06,213 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-28 18:48:06,213 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 132) no Hoare annotation was computed. [2018-11-28 18:48:06,213 INFO L444 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-28 18:48:06,213 INFO L448 ceAbstractionStarter]: For program point L122-1(line 122) no Hoare annotation was computed. [2018-11-28 18:48:06,213 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 137) no Hoare annotation was computed. [2018-11-28 18:48:06,213 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 116 140) no Hoare annotation was computed. [2018-11-28 18:48:06,214 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 116 140) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-28 18:48:06,214 INFO L444 ceAbstractionStarter]: At program point L135(line 135) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-28 18:48:06,214 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 116 140) no Hoare annotation was computed. [2018-11-28 18:48:06,214 INFO L444 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-28 18:48:06,214 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 82 88) no Hoare annotation was computed. [2018-11-28 18:48:06,214 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 82 88) the Hoare annotation is: true [2018-11-28 18:48:06,214 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 261 326) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-28 18:48:06,215 INFO L444 ceAbstractionStarter]: At program point L316(lines 271 318) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-28 18:48:06,215 INFO L444 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-28 18:48:06,215 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 287) no Hoare annotation was computed. [2018-11-28 18:48:06,215 INFO L448 ceAbstractionStarter]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2018-11-28 18:48:06,215 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 261 326) no Hoare annotation was computed. [2018-11-28 18:48:06,215 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 277) no Hoare annotation was computed. [2018-11-28 18:48:06,215 INFO L444 ceAbstractionStarter]: At program point L319(lines 270 320) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-28 18:48:06,216 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 313) no Hoare annotation was computed. [2018-11-28 18:48:06,216 INFO L444 ceAbstractionStarter]: At program point L309-2(lines 301 314) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-28 18:48:06,216 INFO L448 ceAbstractionStarter]: For program point L272(lines 271 318) no Hoare annotation was computed. [2018-11-28 18:48:06,216 INFO L444 ceAbstractionStarter]: At program point L303(line 303) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-28 18:48:06,216 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 314) no Hoare annotation was computed. [2018-11-28 18:48:06,216 INFO L444 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-28 18:48:06,217 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 297) no Hoare annotation was computed. [2018-11-28 18:48:06,217 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 261 326) no Hoare annotation was computed. [2018-11-28 18:48:06,217 INFO L448 ceAbstractionStarter]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2018-11-28 18:48:06,217 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 968 976) no Hoare annotation was computed. [2018-11-28 18:48:06,217 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 968 976) the Hoare annotation is: true [2018-11-28 18:48:06,217 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 968 976) no Hoare annotation was computed. [2018-11-28 18:48:06,217 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:48:06,218 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-28 18:48:06,218 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:48:06,218 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 959 967) the Hoare annotation is: true [2018-11-28 18:48:06,218 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 959 967) no Hoare annotation was computed. [2018-11-28 18:48:06,218 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 959 967) no Hoare annotation was computed. [2018-11-28 18:48:06,218 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 915 926) the Hoare annotation is: true [2018-11-28 18:48:06,218 INFO L448 ceAbstractionStarter]: For program point L919-1(lines 915 926) no Hoare annotation was computed. [2018-11-28 18:48:06,219 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 915 926) no Hoare annotation was computed. [2018-11-28 18:48:06,219 INFO L451 ceAbstractionStarter]: At program point L803-2(lines 803 817) the Hoare annotation is: true [2018-11-28 18:48:06,219 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 793 822) no Hoare annotation was computed. [2018-11-28 18:48:06,219 INFO L451 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: true [2018-11-28 18:48:06,219 INFO L448 ceAbstractionStarter]: For program point L799-1(line 799) no Hoare annotation was computed. [2018-11-28 18:48:06,219 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 793 822) the Hoare annotation is: true [2018-11-28 18:48:06,219 INFO L451 ceAbstractionStarter]: At program point L818(lines 793 822) the Hoare annotation is: true [2018-11-28 18:48:06,219 INFO L448 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2018-11-28 18:48:06,220 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 811) no Hoare annotation was computed. [2018-11-28 18:48:06,220 INFO L451 ceAbstractionStarter]: At program point L807-1(lines 807 811) the Hoare annotation is: true [2018-11-28 18:48:06,220 INFO L448 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-11-28 18:48:06,220 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 927 935) the Hoare annotation is: true [2018-11-28 18:48:06,220 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 927 935) no Hoare annotation was computed. [2018-11-28 18:48:06,220 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 927 935) no Hoare annotation was computed. [2018-11-28 18:48:06,220 INFO L444 ceAbstractionStarter]: At program point L64(line 64) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-28 18:48:06,221 INFO L448 ceAbstractionStarter]: For program point L62(lines 58 80) no Hoare annotation was computed. [2018-11-28 18:48:06,221 INFO L448 ceAbstractionStarter]: For program point L60(lines 58 80) no Hoare annotation was computed. [2018-11-28 18:48:06,221 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 81) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-28 18:48:06,221 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 81) no Hoare annotation was computed. [2018-11-28 18:48:06,221 INFO L444 ceAbstractionStarter]: At program point L71(line 71) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-28 18:48:06,221 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 81) no Hoare annotation was computed. [2018-11-28 18:48:06,221 INFO L444 ceAbstractionStarter]: At program point L69(lines 69 75) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-28 18:48:06,222 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 891 902) the Hoare annotation is: true [2018-11-28 18:48:06,222 INFO L448 ceAbstractionStarter]: For program point L895-1(lines 891 902) no Hoare annotation was computed. [2018-11-28 18:48:06,222 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 891 902) no Hoare annotation was computed. [2018-11-28 18:48:06,222 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 847 853) no Hoare annotation was computed. [2018-11-28 18:48:06,222 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 847 853) the Hoare annotation is: true [2018-11-28 18:48:06,222 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:48:06,222 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-28 18:48:06,222 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:48:06,223 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:48:06,223 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 249 256) no Hoare annotation was computed. [2018-11-28 18:48:06,223 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 249 256) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-11-28 18:48:06,223 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 249 256) no Hoare annotation was computed. [2018-11-28 18:48:06,223 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 903 914) no Hoare annotation was computed. [2018-11-28 18:48:06,223 INFO L448 ceAbstractionStarter]: For program point L907-1(lines 903 914) no Hoare annotation was computed. [2018-11-28 18:48:06,223 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 903 914) the Hoare annotation is: true [2018-11-28 18:48:06,224 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 783 790) no Hoare annotation was computed. [2018-11-28 18:48:06,224 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 787) no Hoare annotation was computed. [2018-11-28 18:48:06,224 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 783 790) the Hoare annotation is: true [2018-11-28 18:48:06,224 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 783 790) no Hoare annotation was computed. [2018-11-28 18:48:06,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:48:06 BoogieIcfgContainer [2018-11-28 18:48:06,238 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:48:06,238 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:48:06,239 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:48:06,239 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:48:06,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:48:00" (3/4) ... [2018-11-28 18:48:06,243 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:48:06,251 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:48:06,251 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:48:06,251 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-28 18:48:06,251 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-28 18:48:06,251 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-28 18:48:06,251 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:48:06,252 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:48:06,252 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:48:06,252 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:48:06,252 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:48:06,252 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:48:06,252 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:48:06,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:48:06,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:48:06,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:48:06,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:48:06,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:48:06,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:48:06,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 18:48:06,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:48:06,254 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:48:06,254 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:48:06,254 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:48:06,254 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:48:06,254 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:48:06,255 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:48:06,255 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:48:06,255 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:48:06,282 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 18:48:06,283 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 18:48:06,284 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:48:06,285 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-28 18:48:06,285 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:48:06,286 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:48:06,320 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || ((0 == pumpRunning && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1) [2018-11-28 18:48:06,320 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-11-28 18:48:06,385 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:48:06,385 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:48:06,386 INFO L168 Benchmark]: Toolchain (without parser) took 8041.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.0 MB). Free memory was 952.7 MB in the beginning and 1.2 GB in the end (delta: -226.0 MB). Peak memory consumption was 296.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:48:06,387 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:48:06,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:48:06,387 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:48:06,388 INFO L168 Benchmark]: Boogie Preprocessor took 79.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:48:06,388 INFO L168 Benchmark]: RCFGBuilder took 1330.71 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: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. [2018-11-28 18:48:06,388 INFO L168 Benchmark]: TraceAbstraction took 5669.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 790.0 MB in the end (delta: 273.6 MB). Peak memory consumption was 273.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:48:06,389 INFO L168 Benchmark]: Witness Printer took 146.44 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 790.0 MB in the beginning and 1.2 GB in the end (delta: -388.7 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:48:06,391 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 768.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 79.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1330.71 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: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5669.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 790.0 MB in the end (delta: 273.6 MB). Peak memory consumption was 273.6 MB. Max. memory is 11.5 GB. * Witness Printer took 146.44 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 790.0 MB in the beginning and 1.2 GB in the end (delta: -388.7 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 787]: 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: 803]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || ((0 == pumpRunning && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 149 locations, 1 error locations. SAFE Result, 5.5s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 533 SDtfs, 234 SDslu, 559 SDs, 0 SdLazy, 325 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred in iteration=0, 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 236 PreInvPairs, 244 NumberOfFragments, 461 HoareAnnotationTreeSize, 236 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 62 FomulaSimplificationsInter, 350 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 29362 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...